powersoft K2 User Manual
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powersoft K2 User Manual

K series top class amplification covering any power needs in touring applications
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K Series
Top class amplification covering
any power needs in touring applications
K2, K3
K6, K8, K10, K20
and DSP + AESOP versions

USER GUIDE

©2014 Powersoft
Keep this manual
DO000044.03 Rev 01
for future reference

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Summary of Contents for powersoft K2

  • Page 1: User Guide

    K Series Top class amplification covering any power needs in touring applications K2, K3 K6, K8, K10, K20 and DSP + AESOP versions USER GUIDE ©2014 Powersoft Keep this manual DO000044.03 Rev 01 for future reference...
  • Page 2 Data are subject to change without notice. For latest update please refer to the online version available on www.powersoft-audio.com.

  • Page 3: Table Of Contents

    K Series User Guide Table of contents 1. Important safety instructions 8. LEDs and display menu Importantes instructions de sécurité 8 : 1.LED chart Instrucciones de seguridad importantes 8 : 2.Front display Importanti istruzioni di sicurezza 8 : 2.1. How to navigate the main menu 2.
  • Page 4 9 : 13.DSP Settings: Input EQ 13. Setup 9 : 14.DSP Settings: Reset input section 12 : 7.Setup: Hardware info 9 : 15.DSP Settings: Reset output section 12 : 8.Setup: Hardware monitor 10. Network operations 12 : 9.Setup; LCD contrast 10 : 1.Introduction to AESOP 12 : 10.Setup: Set the keylock code 12 : 11.Setup: Single channe muting...

  • Page 5: Important Safety Instructions

    REAR VENTILATION OPENINGS). breaker off. ** Valid for K2 and K3 model only; with K6, K8, K10 and K20 a free leads CONNECTION TO THE MAINS SHALL BE DONE ONLY BY A power cord (i.e. without plug) is provided: this solution is intended for con- necting the device to a sectioning breaker on the mains.

  • Page 6: Importantes Instructions De Sécurité

    K6, K8, K10 and K20: interrompre le réseau par commutation de le disjoncteur. TOUT AUTOUR POUR PERMETTRE UNE BONNE VENTILATION (50 CM ** Valable seulement pour le K2 et K3 modèles; on fournis avec K6, K8, K10 DES ORIFICES DE VENTILATION AVANT ET ARRIÈRE).

  • Page 7: Instrucciones De Seguridad Importantes

    ESTANTE, ASEGÚRESE QUE TENGA SUFICIENTE ESPACIO EN TODOS LOS LADOS PARA PERMITIR LA VENTILACIÓN ADECUADA Números 9 y 13 se aplican sólo a K2 y K3. (50  CM DE LOS ORIFICIOS DE VENTILACIÓN DELANTEROS Y K6, K8, K10 and K20: interrumpir la red apagando el disyuntor de la red.

  • Page 8: Importanti Istruzioni Di Sicurezza

    (50 CM DAI FORI DI VENTILAZIONE ANTERIORI E POSTERIORI). l’interruttore di sezionamento. ** Valido solo per i modelli K2 e K3; con K6, K8, K10 e K20 è fornito un cavo di alimentazione con i terminali liberi (cioè senza spina): questa soluzione è...

  • Page 9: Regulatory Information

    We declare that under our sole responsibility the products: responsible for compliance could void the user’s authority to operate the equipment. Model Names: K2, K3, K6, K8, K10, K20 K2 DSP+AESOP, K3 DSP+AESOP, NOTE: This equipment has been tested and found to comply with the K6 DSP+AESOP, K8 DSP+AESOP, K10 DSP+AESOP, limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
  • Page 10 Page intentionally left blank viii | K Series | User guide...

  • Page 11: K Series | 1

    Powersoft. fier. All K Series amplifiers come with built in Power Factor Powersoft is a leading company in the field of high Correction. This unique feature ensures that a predominantly efficiency audio power management. The Powersoft...

  • Page 12: Mechanical Drawings

    Mechanical drawings FIGURE 2: K2 and K3 mechanical drawings. 2 | K Series | User guide...
  • Page 13 FIGURE 3: K6, K8, K10 and K20 mechanical drawings. Mechanical drawings | 3...

  • Page 14: Front And Rear Panels

    14. Vext: 12 V mode or AES3 input in AES3 mode, according , 1A external voltage input (AESOP to the position of the switch in #5 version only) K2, K3 AESOP rear panel. 4 | K Series | User guide...
  • Page 15 K6, K8, K10, K20 rear panel. 1. Mains plug 7. Link button: link input from channels 1 and 2 2. Air vents 8. Input 1: channel 1 analog input 3. Serial ID selector for the RS485 port 9. Speaker connector: output channel 1 (non AESOP version only) 10.

  • Page 16: Installation

    50 cm from the front and rear ventilation openings of the amplifier. Disconnect the AC main source before All Powersoft amplifiers implement a forced-air cooling attempting to clean any part of the amplifier system to maintain low and constant operating tempera- tures.

  • Page 17: 3.Ac Mains Supply

    FIGURE 7: Mains connecors; A) IEC C20 in K2 and K3; f Contact the authorized service center for ordinary and B) AMP CPC 45A in K6, K8, K10 and K20.

  • Page 18: Connections

    7 : 3.Analog line output toggles the XLR between analog and digital input. Line out is provided in K2 and K3 via a couple of XLR connectors on the rear panel. In DSP equiped models, the output signal is pre-DSP, being a replica of the input signal.

  • Page 19: 5.Aesop

    2 analog line out is off; f the channel 1 analog input can be used as redundant input if the digital input fails. K6, K8, K10, K20 K2, K3 CLASS 3 WIRING CLASS2 WIRING The AES3 connection carries a channel pair through a 110 Ω...

  • Page 20: 6.2. Internal Signal Path Polarity

    Ideally, the two ends of the line should be terminated input output 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.

  • Page 21: Leds And Display Menu

    System parameters are continuously monitored by the Powersoft’s Armonía Pro Audio Suite software. Armonía is internal controller. If any parameter value should fall out of a software environment that offers an easy to use end user its correctly operating range, a code error relative to that remote control interface and signal processing capabilities.

  • Page 22: 2.2. Menu Diagrams

    8 : 2.2. Menu diagrams When in the “slow” mode, the up and down arrows in- crease or decrease the parameter by a the smallest amount On the following pages you will find two diagrams provid- possible. The “fast” mode will increase or decrease the ing an overview of the structure of the Main menu (FIGURE parameter value by an amount equal to 10 times the amount...
  • Page 23 Output attenuation Input gain/sens Analog  Out Inuput select Analog  DSP  Out Max output voltage AES3  Out Max mains current AES3  DSP  Out Clip limiter CH1 KAESOP  Out Clip limiter CH2 KAESOP  DSP  Out 1, 2 Gate CH1 Gate CH2...
  • Page 24 Source Selection Stereo Common Settings AES3 Parallel from CH1 CH1 Settings Cross limit Parallel from CH2 CH2 Settings Sound speed (m/s) Mono Mix CH1 Setup CH2 Setup Gain trim (dB) Analog Input EQ If no link: Mute Reset Input Section Reset Output Section Active PEQ#...

  • Page 25: Settings

    Settings 9 : 1.Amplifier settings: Output attenuation Gain 26 dB 25.0 29 dB 21.6 The output attenuation screen sets the amplifier’s out- 32 dB 19.0 put attenuation level. 35 dB 15.6 The user can choose whether to set output attenuation for channel 1, channel 2 or both by cycling through the right TABLE 4: Maximum balanced input signal vs gain.

  • Page 26: 5.Amplifier Settings: Max Mains Current

    Acceptable values are within the signal falls below the threshold. If the channel is muted, the 8 A to 16 A for K2 and K3 and from 15 A to 32 A range for all bottom green LED in the corresponding front panel LED other K amplifiers.

  • Page 27: 10.Dsp Settings: Common Settings

    correctly matched between analog input and AES3 9 : 10.DSP Settings: Common settings input (use the AES3 Gain trim parameter), the switch between AES3 and analog will be inaudible. The KDSP is an advanced digital sound processor board based on a floating point SHARC® DSP. When using the analog input to backup a failed AES3 KDSP can be used to optimize the performance of the feed, the analog input connection must be setup based on...

  • Page 28: 10.3. Cross Limit

    9 : 10.3. Cross limit In case of power limiting of only one channel (ref. Chapter 9 : 6.Amplifier settings: Clip limiter CH1/CH2), the gain reduction on one channel is mirrored to the other channel in order to maintain consistent signal levels. This PEQ #12 Peak is useful in two ways speakers where the limitation of one Freq=21205Hz G=+12dB...

  • Page 29: 11.2. Lo-Pass/Hi-Pass Filters

    left of the first line. By pressing the up and down pointing a minimum of 6 dB/octave (1st order filter) to 48 dB/octave (8th order filter). arrows, it is possible to move from one filter to the next. The filter parameters are reported on the screen. The FIR filters can be selected as normal (FIR Linear Phase) or enhanced (Hybrid FIR).
  • Page 30 Powersoft designed the K Series limiters as protective limiting actions as they are performed. measures; therefore, they are not meant to “color” the sounds such as dynamic compressors can do.
  • Page 31 The TruePower has the advantage of being independent from the number of limiter is a Powersoft patent technology useful to avoid cabinets linked together, just as a peak limiter. overheating of the voice coil; it can however also be Some attention is needed to set the power threshold.

  • Page 32: 11.7. Damping Control

    9 : 11.7. Damping Control 2. calculate the power delivered to a speaker with nomi- nal impedance of 8 ohm with that V voltage: This unique and patented feature allows to add a “vir- tual” series resistor to the amplifier output. This is done to obtain the desired damping factor with any cabling used.

  • Page 33: 12.Dsp Settings: Channel Setup

    9 : 12.DSP Settings: Channel setup 9 : 12.2.4. Load Alarm The output Load Monitor allows to detect the impedance load at a certain frequency. The high resolution algorithm 9 : 12.1. Auxiliary delay implemented in this tool allows accurate measures. This delay is a further input delay: it acts before the input Load alarm: enable/disable the impedance detection.

  • Page 34: Network Operations

    100 Mbit/s to 10 Mbit/s KAESOP board. KAESOP stands for K (as in Powersoft’s K Series) AES3 to attempt to keep the link active even in the worst case and Ethernet Simple Open Protocol. Powersoft’s KAESOP scenarios.

  • Page 35: 2.Kaesop Repeater Mode

    f AES3-A stream: AESOP digital audio stream A (two 10 : 2.KAESOP repeater mode channels) TheIn the Repeater mode, any AES3 stream received on f AES3-B stream: AESOP digital audio stream B (two PORT 1 will be repeated on PORT 2 and vice-versa: if the channels) AES3 stream is received on PORT 2 it will be repeated on f AES3-XLR stream: AES3 digital audio stream via the...

  • Page 36: 3.Keasop Forward Mode

    10 : 3.2. Forward to AES3-B 10 : 3.KEASOP forward mode The amplifier behaves just as in the forward to AES3-A When the amplifier is set in forward mode, the AES3 sig- mode but with respect to the AES3-B stream. nal coming into the amplifier from the AES3-XLR connector The AES3-XLR stream will be routed to the AES3-B is forwarded to both of the primary RJ45 ports.

  • Page 37: 4.Network Robustness

    10 : 4.Network robustness AES3 source Port 1 Port 2 (primary) (primary) AES3 K Series amplifiers equipped with a KAESOP are capa- ble of being networked routing both data and audio streams AESOP Forward to AES3-A AES3-A stream Audio to each other. Control data stream In dealing with networks of amplifiers, one of the most Port 3...

  • Page 38: 4.3. Daisy Chain With Aes3 And Ethernet Redundancy

    Thanks to the auto-sync features implemented in K AES3 source Series amplifiers, no syncronization mismatch occur be- Port 1 Port 2 (primary) (primary) AES3 tween the two AES3 streams. AESOP Forward to AES3-A AES3-A stream Audio Failure cases: Control data stream f damaged AESOP connection between amp n and n+1: Port 3 Port 4...

  • Page 39: 4.4. Two Degree Redundant Daisy Chain

    10 : 4.4. Two degree redundant daisy chain AES3 source If the amplifiers in the daisy chain are fed with mono Port 1 Port 2 (primary) (primary) AES3 signal and the channel of each unit are linked – so that to use the same input signal (ref.

  • Page 40: 5.Network Settings Menu

    10 : 5.Network settings menu from the selected AES3 stream is forwarded to both amplifier channels), Parallel from R (the right channel The Network settings menu become available when the from the selected AES3 stream is forwarded to both KAESOP board is installed (ref. FIGURE 20).

  • Page 41: Display

    Display 11 : 3.Display: Mains meters The Display menu allows the user to monitor the system status and performance. This screen displays the updated mains RMS voltage and RMS current levels. Values are displayed in numbers 11 : 1.Display: Output meters and as progress bars.

  • Page 42: Local Presets

    Local presets 12 : 4.Local preset:Save local preset All K Series amplifiers have an on board memory capable of storing up to 50 presets. An amplifier preset is a snapshot of the current amplifier 12 : 4.1. Save to an empty slot status, including the basic amplifier settings and the KDSP board settings if a DSP board is present.

  • Page 43: Setup

    Setup 12 : 7.Setup: Hardware info 12 : 9.Setup; LCD contrast This menu allows the user to access various information This screen allows the user to set the LCD display con- about the amplifier’s hardware. The first screen shows the trast using the “+”...

  • Page 44: System And Signal Protections

    System and signal protections In order to protect your device and your speakers from circuitry will mute each power section channels, the yellow accidental damage, K Series amplifiers include an extensive LED will be steadily on, and the power supply will be cut off. automatic protection system.

  • Page 45: Smartcard

    K8, two Step-Ups will make the K6 a K10. Of course the K8 can also be upgraded. The K2 and K3 on the other hand, are based on a smaller hardware, so it is possible to Step-Up from K2 to K3, but not from K3 to K6.

  • Page 46: Software

    Armonía is scalable: it allows control of a single f Q-Sys™: it provides integrated monitoring and control Powersoft amplifier or a very large system containing many of Powersoft K Series and Duecanali Series amplifiers amplifiers. For large fixed or touring installations, Armonía through a QSC Q-Sys system.

  • Page 47: Warranty And Assistance

    48 (forty eight) months, starting from the date supports a network of authorized service centers. If your of purchase printed on Powersoft’s (or any of its Authorized amplifier needs repair contact your Powersoft dealer (or Dealer’s) invoice to the end customer. All warranty repairs distributor).

  • Page 48: Specifications

    Specifications K20 and K20 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 2700 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 5200 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 49 K10 and K10 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 2000 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 4000 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 50 K8 and K8 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 1500 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 3000 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 51 K6 and K6 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 1300 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 2500 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 52 K3 and K3 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 1400 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 2600 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 53 K2 and K2 DSP+AESOP Channel Handling Output Stage 2 mono, Maximum output power per channel @ 8 Ω 1000 W Number of output channels bridgeable per ch. pair Maximum output power per channel @ 4 Ω 1950 W Number of input channels: Maximum output power per channel @ 2 Ω...
  • Page 54 Page intentionally left blank 44 | K Series | User guide...
  • Page 56 Powersoft S.p.A. Via Enrico Conti, 5 50018 Scandicci (FI) Italy Tel: +39 055 735 0230 Fax: +39 055 735 6235 General inquiries: info@powersoft.it Sales: sales@powersoft.it Application & technical support: support@powersoft.it Service & maintenance: service@powersoft.it Compliance questions: compliance@powersoft.it powersoft-audio.com...

This manual is also suitable for:

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