powersoft K6 DSP+AESOP Manuale utente

Marca: powersoft

Modello: K6 DSP+AESOP

Categoria: Amplificatori audio

Tipo: Manuale utente

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USER GUIDE

K Series

DO000044.04 R01

Top class ampliﬁcation covering

any power needs in touring applications

K2, K3

K6, K8, K10, K20

and DSP + AESOP versions

powersoft_KSeries_uguide_mul_v3.0

Data are subject to change without notice.

For latest update please refer to the

online version available on www.powersoft-audio.com.

K Series User Guide

1. Important safety instructions 1

2. Regulatory information 2

3. K Series 3

3 : 1.Welcome 3

3 : 4.About the ampliﬁer platform 3

3 : 2.Unpacking & checking for shipping damage 3

3 : 3.Disposal of the packing material 3

4. Installation 4

4 : 1.Cooling 4

4 : 2.Cleaning 4

4 : 3. AC mains supply 5

4 : 4.Precautions regarding installation 5

5. Connections 6

5 : 1.Signal grounding 6

5 : 2. Analog input 6

5 : 3. Analog line output 6

5 : 4.Digital Input 6

5 : 5.A ESOP 6

5 : 6.Loudspeaker connect ions 7

5 : 6.1. B ridg e-ti ed load 7

5 : 7.V E xt 7

5 : 8.RS- 485 connection 7

6. LEDs and display menu 8

6 : 1.L ED char t 8

6 : 2.Front display 8

6 : 2.1. How to navigate the main menu 8

6 : 2. 2. M enu diagr ams 9

7. Warranty and assistance 10

7 : 1.Warranty 10

7 : 1.1. Prod uct wa rra nt y 10

7 : 1.2 . Retu rn of G oods 10

7 : 1.3. Re pair or r eplace ment 10

7 : 1.4. Cost and responsibility of transport 10

7 : 2. Assistance 10

Englis h Française

1. Importantes instructions de sécurité 11

| i

ii | K Series | User guide

465

32.2

496

456

5.9

482

439 44

| iii

465

32.2

465.4

472.4

5.9

482

440 44

iv | K Series | User guide

K2, K3

K2, K3 AESOP

1 2

3 5

| v

A. RJ45 plugs (either AESOP or RS485 ports

according to the ampliﬁer conﬁguration)

B. LED bar: signal metering channel 1

C. Main display

D. Smart Card slot

E. Multifunction buttons

F. LED bar: signal metering channel 2

G. Main switch

1. Mains plug

2. Air vents

3. Serial ID selector for the RS485 port

(non AESOP version only)

4. RS485 serial port (non AESOP version only)

5. AES3/analog switch for input 2

6. Input 2: channel 2 analog input in analog

mode or AES3 input in AES3 mode, accord-

ing to the position of the switch in #5

7. Line output channel 2

8. Link button: link input from channels 1 and 2

9. Line output channel 1

10. Input 1: channel 1 analog input

11. Speaker connector: output channel 1

12. Speaker connector: output channel 2

13. Ethernet+AESOP ports (AESOP version only)

14. Vext: 12 V

, 1A external voltage input

(AESOP version only)

10.

11.

12.

13.

14.

10.

11.

12.

13.

14.

10.

11.

12.

13.

14.

Englis h

Italiano

Française Español

vi | K Series | User guide

1 2 4

5 6

7 8

K6, K8, K10, K20

K6, K8, K10, K20 AESOP

| vii

1. Mains plug

2. Air vents

3. Serial ID selector for the RS485 port

(non AESOP version only)

4. RS485 serial port (non AESOP ver-

sion only)

5. AES3/analog switch for input 2

6. Input 2: channel 2 analog input in

analog mode or AES3 input in AES3

mode, according to the position of

the switch in #5

7. Link button: link input from channels

1 and 2

8. Input 1: channel 1 analog input

9. Speaker connector: output channel 1

10. Speaker connector: output channel 2

11. Ethernet+AESOP ports (AESOP ver-

sion only)

12. Vext: 12 V

, 1A external voltage in-

put (AESOP version only)

Englis h

Italiano

Française Español

10.

11.

12.

10.

11.

12.

10.

11.

12.

viii | K Series | User guide

Common Settings

CH1 Settings

CH2 Settings

CH1 Setup

CH2 Setup

Input EQ

Reset Input Section

Reset Output Section

Source Selection

AES3

Cross limit

Sound speed (m/s)

Gain trim (dB)

If no link:

EQs

LP lter

HP lter

Polarity

Ch delay (us)

Gain (dB)

Peak limiter

Power limiter

Damping Control

PEQ#

Stereo

Parallel from CH1

Parallel from CH2

Mono Mix

Active

Freq. (Hz)

Slope (dB/oct)

Shape

Active

Freq. (Hz)

Slope (dB/oct)

Shape

In phase

Reversed

Active

Thresh. (Vpk)

Attack (ms)

Release (ms)

Mode

Soft knee

Thresh. (W)

Attack (ms)

Release (ms)

Mode

Equiv. Rout (Ω)

Aux Dly (ms)

Diagnostics

Tone in alarm

Tone in freq

Tone in Vmin

Tone in Vmax

Tone out gen

Tone out ampl

Tone out freq

Tone out alarm

Tone out Vmin

Tone out Vmax

Load alarm

Load Zmin

Load Zmax

Measures

identical to CH1 Settings

identical to CH1 Setup

Analog

Mute

Active

Freq. (Hz)

Gain (dB)

Q factor

Type

Peaking

Low Shelving

High Shelving

Low pass EQ

High pass EQ

Bandstop

Bandpass

Allpass

Butterworth

Bessel

Link.-Riley

FIR Lin Phase

Hybrid FIR

Butterworth

Bessel

Link.-Riley

FIR Lin Phase

Hybrid FIR

OFF

TruePower

Power vs V @ 8Ω

Power vs I @ 8Ω

Display

Local presets

Setup

Settings

Amplier Settings

DSP Settings

Network Settings

Output meters

Temperature

Mains meters

Amplier name

Lock presets

Locked bank size

Recall local preset

Save local preset

Change lock code

Erase all presets

Hardware Info

Hardware Monitor

LCD contrast

Set Keylock code

Service

Source selection

Source mode

Gain trim

If no link

AES3-XLR rear panel

AES3-A

AES3-B

Parallel from L

Parallel from R

Stereo

Mute

Analog

Display Amp data

Edit Amplier name

Analog  Out

Analog  DSP  Out

AES3  Out

AES3  DSP  Out

KAESOP  Out

KAESOP  DSP  Out

1, 2

Output attenuation

Input gain/sens

Inuput select

Max output voltage

Max mains current

Clip limiter CH1

Clip limiter CH2

Gate CH1

Gate CH2

Mute at Power on

Idle Mode

Device mode

Addressing mode

Set address

Show net cong

Audio

Repeat (default)

Forward to AES3-A

Forward to AES3-B

Forward to both

IP address

subnet mask

Default gateway

Available only with optional KDSP board

Available only with optional KAESOP board

| ix

Common Settings

CH1 Settings

CH2 Settings

CH1 Setup

CH2 Setup

Input EQ

Reset Input Section

Reset Output Section

Source Selection

AES3

Cross limit

Sound speed (m/s)

Gain trim (dB)

If no link:

EQs

LP lter

HP lter

Polarity

Ch delay (us)

Gain (dB)

Peak limiter

Power limiter

Damping Control

PEQ#

Stereo

Parallel from CH1

Parallel from CH2

Mono Mix

Active

Freq. (Hz)

Slope (dB/oct)

Shape

Active

Freq. (Hz)

Slope (dB/oct)

Shape

In phase

Reversed

Active

Thresh. (Vpk)

Attack (ms)

Release (ms)

Mode

Soft knee

Thresh. (W)

Attack (ms)

Release (ms)

Mode

Equiv. Rout (Ω)

Aux Dly (ms)

Diagnostics

Tone in alarm

Tone in freq

Tone in Vmin

Tone in Vmax

Tone out gen

Tone out ampl

Tone out freq

Tone out alarm

Tone out Vmin

Tone out Vmax

Load alarm

Load Zmin

Load Zmax

Measures

identical to CH1 Settings

identical to CH1 Setup

Analog

Mute

Active

Freq. (Hz)

Gain (dB)

Q factor

Type

Peaking

Low Shelving

High Shelving

Low pass EQ

High pass EQ

Bandstop

Bandpass

Allpass

Butterworth

Bessel

Link.-Riley

FIR Lin Phase

Hybrid FIR

Butterworth

Bessel

Link.-Riley

FIR Lin Phase

Hybrid FIR

OFF

TruePower

Power vs V @ 8Ω

Power vs I @ 8Ω

Display

Local presets

Setup

Settings

Amplier Settings

DSP Settings

Network Settings

Output meters

Temperature

Mains meters

Amplier name

Lock presets

Locked bank size

Recall local preset

Save local preset

Change lock code

Erase all presets

Hardware Info

Hardware Monitor

LCD contrast

Set Keylock code

Service

Source selection

Source mode

Gain trim

If no link

AES3-XLR rear panel

AES3-A

AES3-B

Parallel from L

Parallel from R

Stereo

Mute

Analog

Display Amp data

Edit Amplier name

Analog  Out

Analog  DSP  Out

AES3  Out

AES3  DSP  Out

KAESOP  Out

KAESOP  DSP  Out

1, 2

Output attenuation

Input gain/sens

Inuput select

Max output voltage

Max mains current

Clip limiter CH1

Clip limiter CH2

Gate CH1

Gate CH2

Mute at Power on

Idle Mode

Device mode

Addressing mode

Set address

Show net cong

Audio

Repeat (default)

Forward to AES3-A

Forward to AES3-B

Forward to both

IP address

subnet mask

Default gateway

Available only with optional KDSP board

Available only with optional KAESOP board

x | K Series | User guide

Analog input

XLR-M pinout

Pin 1 GND

Pin 2

HOT

Pin 3

COLD

Analog input

TRS Jack pinout

Tip

HOT

Ring

COLD

Sleeve GND

HOT

COLD

GND

Analog line output

XLR-F pinout

Pin 1 GND

Pin 2

HOT

Pin 3

COLD

HOT

COLD

GND

Bridge-tied load

speakON

connector

Channel 2

output

stage B

LINK

CHB +

CHB –

speakON

connector

Channel 1

output

stage A

CHA +

CHA –

CH1

CH2

Single-ended load

speakON

connector

Channel 2

output

stage B

CHB +

CHB –

speakON

connector

Channel1

output

stage A

CHA +

CHA –

1–

2–

1–

2–

1–

2–

1–

2–

1–

2–

1–

2–

1–

2–

1–

2–

–

ext

GND

2 3 4 5 6 7 8

Englis h

CAUTION

RISK OF ELECTRICK SHOCK

DO NOT OPEN

Electrical energy can perform many useful functions. This unit has

been engineered and manufactured to ensure your personal safety. But

IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL SHOCK OR

FIRE HAZARD.

In order not to defeat the safeguards incorporated into this product,

observe the following basic rules for its installation, use and service.

Please read these “Important Safeguards” carefully before use.

Important safety instructions

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this equipment near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in accordance with

the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including ampliﬁers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-

type plug. A polarized plug has two blades with one wider than the

other. A grounding type plug has two blades and a third grounding

prong. The wide blade or the third prong are provided for your

safety. If the provided plug does not ﬁt into your outlet, consult an

electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particu-

larly at plugs, convenience receptacles, and the point where they

exit from the apparatus.

11. Only use attachments/accessories speciﬁed by the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or table speciﬁed by

the manufacturer, or sold with the apparatus. When a

cart is used, use caution when moving the cart/ap-

paratus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or

when unused for long periods of time.

14. Refer all servicing to qualiﬁed service personnel. Servicing is

required when the apparatus has been damaged in any way, such

as power-supply cord or plug is damaged, liquid has been spilled

or objects have fallen into the apparatus, the apparatus has been

exposed to rain or moisture, does not operate normally, or has

been dropped.

WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO

NOT ATTEMPT TO OPEN ANY PART OF THE UNIT. NO USER-

SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.

TO COMPLETELY DISCONNECT THIS APPARATUS FROM THE

AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG

FROM THE AC RECEPTACLE.*

THE MAINS PLUG OF THE POWER SUPPLY CORD MUST

REMAIN READILY ACCESSIBLE.**

DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE,

DRIPPING OR SPLASHING LIQUIDS. OBJECTS FILLED WITH

LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED ON THIS

APPARATUS.

EXPLANATIONS OF GRAPHICAL SYMBOLS

The triangle with the lightning bolt is used to alert the

user to the risk of electric shock.

The triangle with the exclamation point is used to

alert the user to important operating or maintenance

instructions.

The CE-mark indicates the compliance with the low

voltage and electromagnetic compatibility.

Symbol for earth/ground connection.

Symbol indicating that the equipment is for indoor

use only.

Symbol for conformity with Directive 2002/96/EC

and Directive 2003/108/EC of the European

Parliament on waste electrical and electronic equip-

ment (WEEE).

* K6, K8, K10 and K20: interrupt the mains by switching the sectioning

breaker off.

** Valid for K2 and K3 model only; with K6, K8, K10 and K20 a free leads

power cord (i.e. without plug) is provided: this solution is intended for con-

necting the device to a sectioning breaker on the mains. Refer to the instal-

lation instruction for selecting the proper sectioning breaker.

Numbers 9 and 13 apply only to K2 and K3.

K6, K8, K10 AND K20 MUST BE INSTALLED IN RACK CABINETS:

INSTEAD OF CONNECTING THE AMPLIFIER TO THE POWER

GRID DIRECTLY, PLUG THE AMPLIFIER’S MAINS CONNECTIONS VIA A

SECTIONING BREAKER TO A POWER DISTRIBUTION PANEL INSIDE THE

RACK CABINET.

WHEN THE UNIT IS INSTALLED IN A CABINET OR A SHELF,

MAKE SURE THAT IT HAS SUFFICIENT SPACE ON ALL SIDES TO

ALLOW FOR PROPER VENTILATION (50 CM FROM THE FRONT AND

REAR VENTILATION OPENINGS).

Important safety instructions

CONNECTION TO THE MAINS SHALL BE DONE ONLY BY A

ELECTROTECHNICAL SKILLED PERSON ACCORDING THE

NATIONAL REQUIREMENTS OF THE COUNTRIES WHERE THE UNIT IS SOLD.

Important safety instructions | 1

Regulatory information

FCC COMPLIANCE NOTICE

This device complies with part 15 of the FCC rules. Operation is subject

to the following two conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

CAUTION: Changes or modiﬁcations not expressly approved by the party

responsible for compliance could void the user’s authority to operate the

equipment.

NOTE: This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment gener-

ates, uses, and can radiate radio frequency energy and, if not installed

and used in accordance with the instruction manual, may cause harmful

interference to radio communications. However, there is no guarantee

that interference will not occur in a particular installation. If this equip-

ment does cause harmful interference to radio or television reception,

which can be determined by turning the equipment off and on, the user

is encouraged to try to correct the interference by one or more of the

following measures:

 Reorient or relocate the receiving antenna.

 Increase the separation between the equipment and receiver.

 Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

 Consult the dealer or an experienced radio/TV technician for help.

WEEE DIRECTIVE

If the time arises to throw away your product, please recycle all the com-

ponents possible.

This symbol indicates that when the end-user wishes

to discard this product, it must be sent to separate col-

lection facilities for recovery and recycling. By separat-

ing this product from other household-type waste, the

volume of waste sent to incinerators or land-ﬁlls will be

reduced and natural resources will thus be conserved.

The Waste Electrical and Electronic Equipment Directive (WEEE Directive)

aims to minimise the impact of electrical and electronic goods on the en-

vironment. Powersoft S.p.A. comply with the Directive 2002/96/EC and

2003/108/EC of the European Parliament on waste electrical ﬁnance the

cost of treatment and recovery of electronic equipment (WEEE) in order

to reduce the amount of WEEE that is being disposed of in land-ﬁll site.

All of our products are marked with the WEEE symbol; this indicates that

this product must NOT be disposed of with other waste. Instead it is the

user’s responsibility to dispose of their waste electrical and electronic

equipment by handing it over to an approved reprocessor, or by return-

ing it to Powesoft S.p.A. for reprocessing. For more information about

where you can send your waste equipment for recycling, please contact

Powesoft S.p.a. or one of your local distributors.

EC DECLARATION OF CONFORMITY

Manufacturer:

Powersoft S.p.A.

via E. Conti 5

50018 Scandicci (Fi)

Italy

We declare that under our sole responsibility the products:

Model Names: K2, K3, K6, K8, K10, K20

K2 DSP+AESOP, K3 DSP+AESOP,

K6 DSP+AESOP, K8 DSP+AESOP, K10 DSP+AESOP,

K20 DSP+AESOP.

Intended use: Professional Audio Ampliﬁer

Are in conformity with the provisions of the following EC Directives,

including all amendments, and with national legislation implementing

these directives:

 2006/95/EC Low Voltage Directive

 2004/108/EC Electromagnetic Compatibility Directive

 2002/95/CE RoHs Directive

The following armonized standards are applied:

EN 55103-1:2009 /A1:2012

EN 55014-1:2006 /A1:2009 /A2:2011

EN 55022:2010 /AC:2011

EN 61000-3-2:2006 /A1:2009 /A2: 2009

EN 61000-3-3:2013

EN 61000-3-11:2000

EN 61000-3-12:2011

EN 55103-2:2009 /IS:2012

EN 61000-4-2:2009

EN 61000-4-3:2006 /A1:2008 /IS1:2009 /A2:2010

EN 61000-4-4:2012

EN 61000-4-5:2006

EN 61000-4-6:2014

EN 61000-4-11:2004

EN 60065:2002 /A1:2006 /A11:2008 /A2:2010 /A12:2011

Scandicci,

15 July 2014

Luca Lastrucci

Managing Director

For compliance questions only: compliance@powersoft.it

Englis h

2 | K Series | User guide

Englis h

K Series User Guide

3 : 1.Welcome

Congratulations on buying a Powersoft K Series amplier!

We know you are eager to use your new amplier, but

please take a moment to read this user’s manual and safety

instructions. In case you have any questions, please do not

hesitate to contact your dealer or Powersoft.

Powersoft is a leading company in the eld of high

efciency audio power management. The Powersoft

switching mode technology has changed the way the

world looks at professional audio amplication: no other

amplier’s performance comes close for applications

demanding high power and long term reliability. Thanks

to amazing reductions in heat output and weight, without

sacricing output powers, Powersoft ampliers can be

used in an unlimited range of PA applications such as opera

houses, theaters, churches, cinema, and theme parks.

3 : 2.Unpacking & checking for shipping damage

Your Powersoft product has been completely tested and

inspected before leaving the factory. Carefully inspect the

shipping package before opening it, and then immediately

inspect your new product. If you nd any damage notify the

shipping company immediately.

The box contains the following:

 One K Series amplier.

 One AC mains power cord

 This user guide.

3 : 3.Disposal of the packing material

The transport and protective packing has been selected

from materials which are environmentally friendly for dis-

posal and can normally be recycled.

Rather than just throwing these materials away,

please ensure they are offered for recycling.

3 : 4.About the ampliﬁer platform

K Series has many advanced features, digital control

of many parameters, adjustable maximum m ains con-

sumption, selectable digital presets and a graphic display

that shows detailed information of the status of the ampli-

er. All K Series ampliers come with built in Power Factor

Correction. This unique feature ensures that a predominantly

resistive load is presented to mains thus minimizing current

distortion and voltage/current displacement. This leads to

improved performance of the amplier at high levels of out-

put and avoids mains-voltage collapses, typical of standard

and switching power supplies. Another great advantage of

this technology is that its performance is, to a large extent,

independent of mains voltage. The rated output power does

not vary with load/line conditions.

K Series | 3

Englis h

Installation

The common installation of the amplier is in rack cabi-

nets: in order to limit the risk of mechanical damages, the

ampliers must be xed to the rack using both frontal and

rear mounting brackets.

Note: Instead of connecting the amplier to the power

grid directly, plug the amplier’s mains connections to a

power distribution panel inside the rack cabinet.

4 : 1.Cooling

Install the amplier in a well-ventilated location: the ven-

tilation openings must not be impeded by any item such as

newspapers, tablecloths, curtains, etc; keep a distance of

at least 50 cm from the front and rear ventilation openings

of the amplier.

All Powersoft ampliers implement a forced-air cooling

system to maintain low and constant operating tempera-

tures. Drawn by the internal fans, air enters from the front

panel and is forced over all components, exiting at the back

of the amplier.

The amplier’s cooling system features “intelligent” var-

iable-speed DC fans which are controlled by the heatsink

temperature sensing circuits: the fans speed will increase

only when the temperature detected by the sensors rises

over carefully predetermined values. This ensures that fan

noise and internal dust accumulation are kept to a strict

minimum.

Should however the amplier be subject to an extreme

thermal load, the fan will force a very large volume of air

through the heat sink. In the extremely rare event that the

amplier should dangerously overheat, sensing circuits

shut down all channels until the amplier cools down to a

safe operating temperature. Normal operation is resumed

automatically without the need for user intervention.

X Series ampliers can be stacked one on top of the other

due to the efcient cooling system they are equipped with.

There is however a safety limit to be observed: in case

a rack with closed back panels is used, leave one rack unit

empty every four installed ampliers to guarantee adequate

air ow.

4 : 2.Cleaning

Always use a dry cloth for cleaning the chassis and the

front panel. Air lter cleaning should be scheduled according

to the dust levels in the amplier’s operating environment.

Disconnect the AC main source before

attempting to clean any part of the ampliﬁer

In order to clean the vent lters you need to remove the

front cover: never attempt to open any other part of the unit.

By means of a screwdriver Phillips PH1, unscrew the

screws that lock the left and right cover grils on the front

panel (ref. FIGURE 3), gently lift the covers and remove the

lters. You may use compressed air to remove the dust from

lters, or wash it with clean water: in the latter case ensure

that the lters are dry before reassembly.

FIGURE 1: Mounting brackets and air ﬂow direction.

Mounting

Brackets

FIGURE 2: How to stack the ampliﬁers in closed racks.

cover grill

screw lter

FIGURE 3: Cleaning air ﬁlters.

4 | K Series | User guide

4 amp stacked

1 unit space every

4 amp stacked into

closed rack cabinet

Installation | 5

Englis h

4 : 3.AC mains supply

The AC Main connection is made via the

 AMP CPC 45A connector in K6, K8, K10 and K20;

 IEC C20 connector in K3 and K2.

The FIGURE 4 shows how to connect the mains power

cable to the amplier.

Make sure the AC mains voltage used

is within the acceptable operating

voltage range: 115V-230V ±10%.

It is important to connect the ground

for safety, do not use adapters that

disable the ground connection.

All K Series ampliers have an automatic power factor

correction system – PFC – for a perfect mains network

interface. The PFC minimizes the reactive power reected

on the network and reduces the harmonic distortion on the

voltage/current waveform: in this way the amplier is seen

as a resistive load from the mains network. Furthermore, the

system allows performance to be maintained even in case

of varying mains voltage.

4 : 4.Precautions regarding installation

Placing and using the amplier for long periods of time

on heat generating sources will affect its performance. Avoid

placing the amplier on heat generating sources. Install this

amplier as far as possible from tuners and TV sets. An

amplier installed in close proximity of such equipment may

experience noise or generic performance degradation.

The power cord type provided with the amplier are

 LAPP OLFLEX191 3G6 / SJT 3XAWG10

for K6, K8, K10 and K20.

 Bahoing SJT 3x16AWG or I-sheng SGIS 3G 1,5 mm

for K3 - K2.

WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK

 This device must be powered exclusively by earth con-

nected mains sockets in electrical networks compliant

to the IEC 364 or similar rules.

 Install K6, K8, K10 and K20 into rack cabinet.

 With K6, K8, K10 and K20 a sectioning breaker be-

tween the mains connections and the amplier must

be installed inside the rack cabinet. Suggested device

is 32A/250VAC, C or D curve, 10kA.

 With K2 and K3 provide a sectioning breaker between

the mains connections and the amplier. Suggested

device is 16A/250VAC, C or D curve, 10kA.

 Before powering this amplier, verify that the correct

voltage rating is being used.

 Verify that your mains connection is capable of satisfy-

ing the power ratings of the device.

 Do not use this amplier if the electrical power cord is

frayed or broken.

 Output terminals are hazardous: wiring connection to

these terminals require installation by an instructed

person and the use of ready made leads.

 Take care to secure the output terminal before switch-

ing the device on.

 To avoid electrical shock, do not touch any exposed

speaker wiring while the amplier is operating.

 Do not spill water or other liquids into or on the amplier.

 No naked ame sources such as lighted candles

should be placed on the amplier.

 Do not remove the cover. Failing to do so will expose

you to potentially dangerous voltage.

 It is absolutely necessary to verify this fundamental

requirement of safety and, in case of doubt, require an

accurate check by qualied personnel.

 The manufacturer cannot be held responsible for

damages caused to persons, things or data due to an

improper or missing ground connection.

 Contact the authorized service center for ordinary and

extraordinary maintenance.

Connection to the mains shall be done

only by a electrotechnical Skilled person

according the national requirements of

the countries where the unit is sold

ground

mains

open the lock

and insert the plug

lock the plug

Neutral

Line

GND

Protective

earth

32 1

FIGURE 4: Mains connecors; A) IEC C20 in K2 and K3;

B) AMP CPC 45A in K6, K8, K10 and K20.

Englis h

Connections

Make sure the power switch is off before attempting to

make any input or output connections.

By using good quality input and speaker cables, the like-

lihood of erratic signal behavior is reduced to a minimum.

Whether you make them or buy them, look for good quality

wires, connectors and soldering techniques.

5 : 1.Signal grounding

There is no ground switch or terminal on the K Series

ampliers. All shield terminals of input connections are di-

rectly connected to the chassis. This means that the unit’s

signal grounding system is automatic. In order to limit hum

and/or interference entering the signal path, use balanced

input connections.

In the interests of safety, the unit MUST always operate

with electrical safety earth connected to the chassis via

the dedicated wire in the 3-wire cable (ref. Chapter 4 : 3. AC

mains supply). Never disconnect the ground pin on the AC

mains power cord.

5 : 2.Analog input

Analog input is provided by means of two Neutrik XLR

connectors in K2 and K3 or a couple of XLR/jack hybrid

combo connectors in K6, K8, K10 and K20 ampliers (refer

to Panel D, Panel F, p. vi). Signal polarity for XLR and

TRS plugs is shown in Panel I, p. x.

5 : 3.Analog line output

Line out is provided in K2 and K3 via a couple of XLR

connectors on the rear panel (refer Panel D, p. iv). In

DSP equiped models, the output signal is pre-DSP, being a

replica of the input signal.

5 : 4.Digital Input

On DSP equiped models, the XLR input for channel 2

can switch to an AES3 digital input. The AES3/analog push-

button located nearby the channel 2 XLR input connector

toggles the XLR between analog and digital input (refer to

Panel D, Panel F, p. vi).

In AES3 mode

 the channel 2 analog line out is off;

 the channel 1 analog input can be used as redundant

input if the digital input fails.

The AES3 connection carries a channel pair through a

110 Ω nominal impedance wire in the form of a balanced

(differential) digital signal: in AES3 XLR connectors the iden-

tication of hot and cold pins is not an issue; take care to

never tie pin 2 or pin 3 (balanced signals) to pin 1 (ground).

Avoid the use of microphone cables in AES connections:

impedance mismatch can result in signal reections and

jitter, causing bit errors at the receiver.

5 : 5.AESOP

The AESOP standard can transport a single bidirec-

tional Fast Ethernet (IEEE 802.3u, 100 Mbit/s) control data

stream and two independent separate AES3 digital audio

monodirectional streams using one Cat5 cable.

All K Series amplier with the optional KAESOP board

installed are equipped with at least two RJ45 connectors,

each of them being a single AESOP port, capable of send-

ing and/or receiving data and audio.

If the amplier has only two RJ45 plugs, these will be

on the front panel. If four plugs are present, the rear two

will be “primary” ports, while the two on the front panel are

“secondary” ports.

Primary ports allow both data and AES3 streams;

secondary ports, on the other hand, are data-only ports,

allowing Ethernet connections only.

Cat5 standard twisted pair cables shall be used for con-

nections up to 100 meters (328 ft). RJ45 pinout must comply

to TIA/EIA-568-B and adopt the T568B scheme pinout, as

show in TABLE 1.

RJ45 connector

seen from

the front end

1 2 3 4 5 6 7 8

Color code (TIA/EIA-568-B) Pin

ORANGE / WHITE 1

ORANGE 2

GREEN / WHITE 3

BLUE 4

BLUE / WHITE 5

GREEN 6

BROWN / WHITE 7

BROWN 8

TABLE 1: EtherCON/RJ45 T568B scheme pinout.

6 | K Series | User guide

Connections | 7

Englis h

5 : 6.Loudspeaker connections

K6, K8, K10, K20 K2, K3

CLASS 3 WIRING CLASS2 WIRING

Output terminals are hazardous: wiring connection

to these terminals require installation by an

instructed person and the use of ready made leads.

Take care to secure the output terminal

before switching the device on.

Two Neutrik NL4MD speakON connectors are located

on the rear panel, each of them being a single output to

loudspeaker (refer Panel D, Panel F, p. vi).

Pins 1+ and 2+ are physically bridged to the positive pole;

pins 1– and 2– are physically bridged to the negative pole

(refer Panel J, p. x).

In order to remain within safe operating conditions,

when using low impedance loads – i.e. 4 � or less (8 � or

less in bridge mode) –, connections must be made with a

four wire cable. Use suitable wire gauges to minimize power

and damping factor losses in speaker cables.

5 : 6.1. Bridge-tied load

Bridge-tied load connection can be achieved as de-

scribed in Panel J, p. x. In analog mode, only the input

of channel 1 needs to be wired: link channel 2 to channel 1

by means of the link pushbutton located on the rear panel.

When operating with digital inputs – i.e. AES3 and

AESOP – link the channels via software: do not switch the link

pushbutton.

5 : 7.V Ext

The V Ext terminal is used to remotely manage the DSP

in K Series DSP amplier and enable remote on/off.

K Series provided with a KAESOP board have a dedicat-

ed 2 pin Phoenix connector MCV 1,5/ 2-G-3,81 - 1803426

located near the rear Ethernet ports. K Series with the RS-

485 serial port implement the V Ext connection on pin 2 (pin

7) of the RJ45 rear connector.

When the V Ext port is powered by and external 12 V

(1 A max) power supply, the internal controller allows to con-

trol the DSP – if present – even without AC mains supply,

and allows serial communication – via RS-485 or ethernet

communication in KAESOP equiped models – for remote

on/off via the Armonía Pro Audio Suite software.

5 : 8.RS-485 connection

K Series ampliers without an optional KAESOP board

can be remotely controlled via an RS-485 connection.

Remote connection data cables must have an 8P8C

modular plug – namely RJ45 plug – to be inserted in the

rear port labelled “DATA PORT”.

By plugging an RJ45 plug and selecting the unit’s remote

ID via the rotary trimmers, the amp is ready to be remotely

controlled. Please note that ID numer 00 is not allowed.

The recommended arrangement of the connections is a

series of point-to-point (multidropped) nodes – i.e. a line or

bus. Ideally, the two ends of the line should be terminated

with a resistor, typically 120 � for twisted pairs. Powersoft

recommend the use of Ethernet Cat5 straight through –

patch – cables with pin/pair assignments TIA/EIA-568-B,

i.e. T568B (ref. TABLE 1).

FIGURE 5: V Ext phoenix connector MCV 1,5/ 2-G-3,81.

FIGURE 6: Data port and ID selectors for serial con-

nection; note that ID numer 00 is not allowed.

Englis h

LEDs and display menu

In all K Series ampliers, the combination of the front

panel buttons together with the LCD display allow the user

access to detailed information and complete control over

the amplier’s status. Each button has multiple functions

and the display shows the current active function for each

button. This chapter illustrates all the functions and settings

accessible via the amplier front panel.

All the setup and settings functions described in this

section can be also accessed through a computer with

Powersoft’s Armonía Pro Audio Suite software. Armonía is

a software environment that offers an easy to use end user

remote control interface and signal processing capabilities.

Armonía Pro Audio Suite is available for free on the

Armonía forum:

http://www.powersoft-audio.com/en/armonia-forum

Please note that when an Armonía client is connected to the

amplier, any local operation is overridden by the software.

6 : 1.LED chart

The LED columns on the front of the amp can work as

output voltage or current meters. When the LED bars are set

to meter output voltage, for example, the meters on the LCD

screen will indicate output current values. The vice versa is

true: LED bars set as output current meters, LCD display

bars become output voltage meters.

Color Solid Blinking

RED

Signal clipping

channel muted

for protection

Tone

detection

problem

YELLOW

Temperature

above 85°C

output level

-2 dB

Critical

temperature

(80° - 85°C)

GREEN output level

-3 dB

GREEN output level

-6 dB

GREEN output level

-9 dB

GREEN output level

-15 dB

GREEN

input signal is above

-60 dBV

output level

-18 dB

In case of a short circuit protection event, the LCD screen will read “PROT”.

With respect to the output clipping threshold.

TABLE 2: LED chart.

6 : 2.Front display

When the amp is turned on, the main screen appears

after a short presentation.

The rst line of the screen will read “WAIT” while the sys-

tem undergoes an initial batch of internal tests to determine

the status of the amp. If all parameters are normal, “READY”

will replace “WAIT” on the display.

System parameters are continuously monitored by the

internal controller. If any parameter value should fall out of

its correctly operating range, a code error relative to that

particular parameter will appear on the third line of the LCD

meter at the corresponding channel number. Should the

parameter be out of range for both adjacent channels, the

error code will appear in between the two compromised

channels.

The fourth line of the front panel LCD screen shows the

functions of the buttons immediately below. A beep con-

rms that a button has been pressed; please note that this

sound is not mutable.

Pressing the button directly below the “menu” label on

the LCD screen gives access to the amplier’s main menu.

If an Armonía client is connected to the amplier, a yellow

shadow will appear in the software workspace view, signal-

ing local access to the amplier.

6 : 2.1. How to navigate the main menu

The K Series main menu can be accessed by press-

ing the rst button on the right, underneath the LCD label

“menu”.

The up and down arrows allow to scroll the menu items.

To access further menu voices branching off a specic

menu item, select it and press the “menu” button once.

Some submenus in the K Series amps require the user

to set a numerical value for specic parameters using the

front panel buttons. In order to speed this process up, these

submenus dedicate two of the four available buttons to

switching to a fast or slow parameter increment mode.

lock

mute mute menu

CH1 READY READY CH2

V I VI

FIGURE 7: K Series front display.

8 | K Series | User guide

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Marca: powersoft

Modello: K6 DSP+AESOP

Categoria: Amplificatori audio

Tipo: Manuale utente

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