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USER GUIDE
©2014 Powersoft
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.AESOP 6
5 : 6.Loudspeaker connections 7
5 : 6.1. Bridge-tied load 7
5 : 7.V Ext 7
5 : 8.RS-485 connection 7
6. LEDs and display menu 8
6 : 1.LED chart 8
6 : 2.Front display 8
6 : 2.1. How to navigate the main menu 8
6 : 2.2. Menu diagrams 9
7. Warranty and assistance 10
7 : 1.Warranty 10
7 : 1.1. Product warranty 10
7 : 1.2. Return of Goods 10
7 : 1.3. Repair or replacement 10
7 : 1.4. Cost and responsibility of transport 10
7 : 2.Assistance 10
English Française
1. Importantes instructions de sécurité 11
| i
ii | K Series | User guide
A
465
32.2
496
456
5.9
482
439 44
32
| iii
B
465
32.2
465.4
472.4
5.9
482
440 44
32
iv | K Series | User guide
C
D
E
K2, K3
K2, K3 AESOP
A
1 2
F
9
B
3 5
14
C
4
13
6
D
7
12
E
8
G
10
11
| 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
A.
B.
C.
D.
E.
F.
G.
A.
B.
C.
D.
E.
F.
G.
A.
B.
C.
D.
E.
F.
G.
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 VDC, 1A external voltage input
(AESOP version only)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
English
Italiano
Française Español
vi | K Series | User guide
F
G
1 2 4
12
3
11
5 6
10
7 8
9
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 VDC, 1A external voltage in-
put (AESOP version only)
English
Italiano
Française Español
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
viii | K Series | User guide
H
Common Settings
CH1 Settings
CH2 Settings
CH1 Setup
CH2 Setup
Input EQ
Reset Input Section
Reset Output Section
Display
Local presets
Setup
Settings
Amplier Settings
DSP Settings1
Network Settings2
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
Display Amp data
Edit Amplier name
Analog Out
Analog DSP Out1
AES3 Out1
AES3 DSP Out1
KAESOP Out2
KAESOP DSP Out1, 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
| ix
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
AES3-XLR rear panel
AES3-A
AES3-B
Parallel from L
Parallel from R
Stereo
Mute
Analog
1 Available only with optional KDSP board
2 Available only with optional KAESOP board
x | K Series | User guide
I
K
J
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
A
C
B
HOT
HOT
1
S
2
R
3
T
COLD
COLD
GND
GND
Analog line output
XLR-F pinout
Pin 1 GND
Pin 2 HOT
Pin 3 COLD
HOT
1
2
3
COLD
GND
Bridge-tied load
speakON
connector
Channel 2
output
stage B
LINK
CHB +
CHB +
CHB –
CHB –
B
speakON
connector
Channel 1
output
stage A
CHA +
CHA +
CHA –
CHA –
A
CH1
CH2
Single-ended load
Single-ended load
speakON
connector
Channel 2
output
stage B
CHB +
CHB +
CHB –
CHB –
B
speakON
connector
Channel1
output
stage A
CHA +
CHA +
CHA –
CHA –
A
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1+
2+
1–
2–
1
–
+
Vext
GND
2345678
Regulatory information
2
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@powersof t.it
English
2 | K Series | User guide
English
K Series User Guide
3
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
English
Installation
4
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
English
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 mm2
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
N
Neutral L
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.
A
B
Connections | 7
English
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 VDC
(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.
English
LEDs and display menu
6
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
OR
channel muted
for protection1
Tone
detection
problem
YELLOW
Temperature
above 85°C
OR
output level2 -2 dB
Critical
temperature
(80° - 85°C)
GREEN output level2 -3 dB
GREEN output level2 -6 dB
GREEN output level2 -9 dB
GREEN output level2
-15 dB
GREEN
input signal is above
-60 dBV
OR
output level2
-18 dB
1 In case of a short circuit protection event, the LCD screen will read “PROT”.
2 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
English
Warranty and assistance
7
7 : 1.Warranty
7 : 1.1. Product warranty
Powersoft guarantees its manufactured products to be
free from defective components and factory workmanship
for a period of 48 (forty eight) months, starting from the date
of purchase printed on Powersoft’s (or any of its Authorized
Dealer’s) invoice to the end customer. All warranty repairs
and retrots must be performed at Powersoft facilities or at
an Authorized Service Center at no cost for the purchaser.
Warranty exclusion: Powersoft’s warranty does not cover
product malfunctioning or failure caused by: misuse, abuse,
repair work or alterations performed by non-authorized per-
sonnel, incorrect connections, exposure to harsh weather
conditions, mechanical damages (including shipping ac-
cidents), and normal wear and tear. Powersoft will perform
warranty services provided that the product is not damaged
during transportation.
7 : 1.2. Return of Goods
Goods can be returned to Powersoft only after they have
been granted a Return Merchandise Authorization (RMA)
number to be attached to the external packaging. Powersoft
(or its Authorized Service Center) has the right to refuse any
returned good without a RMA number.
7 : 1.3. Repair or replacement
Powersoft reserves the right to repair or replace any
defective goods covered by product warranty at its sole
discretion and as it deems best.
7 : 1.4. Cost and responsibility of transport
The purchaser (or end user/customer) is solely re-
sponsible for all transportation costs and risks associated
with sending warranty covered goods to Powersoft or its
Authorized Service Center. Powersoft will assume full re-
sponsibility and cover all costs incurred to send the goods
back to the purchaser (or end user/customer).
7 : 2.Assistance
There are no user-serviceable parts in your amplier.
Refer servicing to qualied technical personnel. In addi-
tion to having an in-house service department, Powersoft
supports a network of authorized service centers. If your
amplier needs repair contact your Powersoft dealer (or
distributor). You can also contact the Powersoft Technical
Service department to obtain the location of the nearest
authorized service center.
Even though most product malfunctioning can be
solved at your premises through Powersoft Customer Care
or your direct knowledge, occasionally, due the nature
of the failure, it might be necessary to return defective
products to Powersoft for repair. In the latter case, before
shipping, you are kindly asked to follow step by step the
procedure described below: Obtain the “Defect Report
Form” by contacting our Customer Care Department
via email: service@powersoft.it or download the
“Defect Report Form” from Powersoft’s website
(http://www.powersoft-audio.com/en/support/service).
Fill out one “Defect Report form” for each returned
item (the form is an editable tab guided document) and
save as your name, amp model and serial Number (for
example: distributornamek10sn17345.doc) providing all
required information except the RMA code/s and send it to
service@powersoft.it for Powersoft approval.
In case of defect reports approved by the Powersoft
Customer Service Representative you will receive an RMA
authorization code (one RMA code for each returning de-
vice). Upon receiving the RMA code you must package the
unit and attach the RMA code outside the pack, protected
in a waterproof transparent envelope so it is clearly visible.
All returning items must be shipped to the following
address:
Powersoft
Via Enrico Conti, 13-15
50018 Scandicci (FI) Italy
In case of shipment from countries NOT belonging to the
European Community make sure you have also followed the
instructions described in the document available for down-
load at the TEMPORARY EXPORTATION / IMPORTATION
PROCEDURE link at http://www.powersoft-audio.com/en/
support/service.
Thank you for your understanding and cooperation and
continued support as we work to improve our partnership.
Warranty and assistance | 10
Française
A V I S
RISQUES D’ÉLECTROCUTION
NE PAS OUVRIR
L’énergie é lectrique peut remplir beaucoup de fonctions utiles. Cet appa-
reil a été conçu et fabriqué pour assurer votre propre sécurité. Mais UNE
UTILISATION INCORRECTE PEUT ENTRAÎNER UN RISQUE POTENTIEL
D’ÉLECTROCUTION OU D’INCENDIE. Afin de ne pas annuler les dispositifs de
sécurité incorporés dans cet appareil, observez les règles fondamentales suiv-
antes pour son installation, son utilisation et sa réparation. Veuillez lire atten-
tivement ces “Importantes mesures de sécurité” avant d’utiliser l’appareil.
Importantes instructions de sécurité
1. Lisez les directives suivantes.
2. Conservez ces directives.
3. Observez et respectez tous les avertissements.
4. Suivez toutes les directives.
5. N’utilisez pas cet appareil près de l’eau.
6. Nettoyez cet appareil uniquement avec un chiffon sec.
7. Ne bouchez pas les fentes de ventilation. Respectez les directives
du fabricant pour l’installation de l’appareil.
8. N’installez pas l’appareil à proximité d’une source de chaleur telle
qu’un radiateur, une bouche d’air chaud, une cuisinière ou tout au-
tre appareil (y compris des amplificateurs) émettant de la chaleur.
9. Ne désactivez pas le dispositif de sécurité appliqué à la fiche
polarisée ou à la fiche avec mise à la terre. Une fiche polarisée est
équipée de deux lames dont l’une est plus large que l’autre. Une
fiche avec mise à la terre est équipée de deux lames et une broche
destinée à la mise à la terre. La lame la plus large et la troisième
broche sont des dispositifs de sécurité. Si vous ne réussissez pas
à brancher la fiche fournie dans la prise de courant, consultez un
électricien et faites remplacer la prise par une neuve.
10. Ne placez pas le cordon d’alimentation dans des endroits passants
et assurezvous qu’il ne peut pas être pincé, surtout au niveau des
fiches, de la prise de courant et à l’endroit où il sort de l’appareil.
11. Utilisez uniquement les éléments de raccordement et les acces-
soires recommandés par le fabricant.
12. Utilisez l’appareil uniquement avec le chariot, le trépied, le support
ou la table recommandés par le fabricant ou achetés
avec l’appareil. Lorsque vous utilisez un chariot,
prenez des précautions en déplaçant le chariot et
l’appareil afin dene pas les renverser, ce qui pourrait
entraîner des blessures.
13. Débranchez cet appareil en cas d’orage ou lorsque vous ne
l’utilisez pas pendant de longues périodes.
14. Pour toute réparation, adressez-vous à un réparateur qualifié.
Faites réparer l’appareil s’il a été endommagé de quelque manière
que ce soit, par exemple si le cordon d’alimentation ou sa fiche
sont endommagés, si du liquide ou tout autre corps étranger a
pénétré dans l’appareil, si l’appareil a été exposé à la pluie ou à
l’humidité, s’il ne fonctionne pas normalement ou s’il est tombé.
MISE EN GARDE : AFIN DE RÉDUIRE LES RISQUES DE CHOC
ÉLECTRIQUE, N’ESSAYEZ PAS D’OUVRIR L’UNITÉ, MEME EN PARTIE.
AUCUNE PIÈCE A L’INTERIEUR NE PEUT ETRE CHANGÉE PAR L’UTILISATEUR.
LAISSEZ L’ENTRETIEN A UN PERSONNEL QUALIFIÉ.
POUR INTERROMPRE COMPLÈTEMENT L’ALIMENTATION ÉLECTRIQUE
DE L’UNITÉ, DÉBRANCHEZ LE CORDON D’ALIMENTATION DE LA PRISE
DE COURANT.*
LES FICHES DU CORDON D’ALIMENTATION DOIVENT RESTER
ACCESSIBLES A TOUT MOMENT.**
AFIN DE RÉDUIRE LES RISQUES D’INCENDIE ET D’ÉLECTROCUTION,
N’EXPOSEZ PAS CET APPAREIL À LA PLUIE OU À L’HUMIDITÉ. L’UNITÉ
NE DOIT JAMAIS ÊTRE EXPOSÉ AUX ÉCLABOUSSURES, AU DÉVERSEMENT OU
À L’ÉGOUTTEMENT DE LIQUIDES, QUELS QU’ILS SOIENT.
Le marquage CE indique la conformité à la directive de
basse tension et la compatibilité électromagnétique.
Symbole pour la connexion à la terre.
Symbole indiquant que l’équipement est destiné à
l’emploi à l’intérieur.
Symbole pour la conformité al la Directive 2002/96/
EC et la Directive 2003/108/EC du Parlement
Européen sur les équipements électriques et élec-
troniques (WEEE).
EXPLICATION DES SYMBOLES GRAPHIQUES
La triangle avec le symbol du foudre est employée pour
alerter l’utilisateur au risque de décharge électrique.
Le triangle avec un point d’exclamation est employée
pour alerter l’utilisateur d’instruction importantes
pour lors opérations de maintenance.
K6, K8, K10 ET K20 DOIT ÊTRE INSTALLÉ DANS UN RACK ARMOIRE : AU
LIEU DE CONNECTER L’AMPLIFICATEUR POUR LE RÉSEAU ÉLECTRIQUE
DIRECTEMENT, BRANCHEZ LA FICHE DE L’AMPLIFICATEUR VIA LE DISJONCTEUR
AUX PANNEAU DE DISTRIBUTION ÉLECTRIQUE À L’INTÉRIEUR DE L’ARMOIRE.
QUAND L’UNITÉ EST INSTELLÉ DANS UNE ARMOIRE OU UNE ÉTAGÈRE,
ASSUREZ-VOUS QU’IL Y À UN ESPACE SUFFISANT TOUT AUTOUR
POUR PERMETTRE UNE BONNE VENTILATION (50 CM DES ORIFICES DE
VENTILATION AVANT ET ARRIÈRE).
* K6, K8, K10 and K20: interrompre le réseau par commutation de le disjoncteur.
** Valable seulement pour le K2 et K3 modèles; on fournis avec K6, K8, K10 et K20
un cordon avec fils libres (c’est à dire sans fiche) : cette solution est destinée à
connecter l’appareil à un disjoncteur sur le réseau. Se référer aux instructions
d’installation pour sélectionner le disjoncteur de sectionnement approprié. Numéros 9 et 13 ne s'appliquent qu'aux K2 et K3.
Importantes instructions de sécurité
1
Importantes instructions de sécurité | 11

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