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IpalMod
USER GUIDE
©2019 Powersoft
Keep this manual
DO000129.03 R0
for future reference

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Summary of Contents for powersoft IpalMod

  • Page 1 IpalMod USER GUIDE ©2019 Powersoft Keep this manual DO000129.03 R0 for future reference...
  • Page 2 DO000129_powersoft_IpalMod_uguide_en 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

    7 : 3.Disposal of the packing material 11 : 4.6. CN2 pinout 7 : 4.Differential Pressure Control 11 : 5.IpalMod without DPC interface board 7 : 4.1. Virtual Transducer mode 11 : 6.Installing an optional DSP SIMM board 7 : 4.2. Pressure mode 12.
  • Page 4 15 : 8.1. Auxiliary power protections 17. Support and warranty 17 : 1.Service 17 : 2.Warranty 17 : 2.1. Return of Goods 17 : 2.2. Repair or replacement 17 : 2.3. Cost and responsibility of transport 17 : 3.Assistance ii | IpalMod | User guide...
  • Page 5: Important Safety Instructions

    8. Do not defeat the safety purpose of the polarized or grounding- Symbol for earth/ground connection. type plug. 9. Only use attachments/accessories specified by Powersoft. Symbol for conformity with Directive 2002/96/EC 10. Refer all servicing to qualified service personnel. Servicing is...
  • Page 6: Importantes Instructions De Sécurité

    6. Assurez-vous d’une bonne ventilation de l’appareil. Installez en pour lors opérations de maintenance. accord avec les instructions préconisées par Powersoft. 7. N’installez pas l’appareil à proximité de sources de chaleur ou Le marquage CE indique la conformité à la directive de d’autres appareils produisant de la chaleur.
  • Page 7: Instrucciones De Seguridad Importantes

    6. No bloquee las aberturas de ventilación. Realice la instalación de de operación o mantenimiento. acuerdo con las indicaciones de Powersoft. 7. No instale cerca ninguna fuente de calor como, por ejemplo, La marca CE indica el cumplimiento de la directiva radiadores, rejillas de calefacción, hornos u otros aparatos que...
  • Page 8: Importanti Istruzioni Di Sicurezza

    DELL’UNITÀ. NON CI SONO PARTI INTERNE AD USO DELL’UTENTE. RIVOLGERSI A PERSONALE QUALIFICATO PER L’ASSISTENZA. NON ESPORRE QUESTO APPARECCHIO ALLA PIOGGIA, UMIDITÀ O SOSTANZE LIQUIDE. OGGETTI PIENI DI LIQUIDI, COME VASI, NON DEVONO ESSERE COLLOCATI SU QUESTO APPARATO. vi | IpalMod | User guide...
  • Page 9: Regulatory Information

    The Waste Electrical and Electronic Equipment Directive (WEEE Directive) aims to minimise the impact of electrical and electronic goods on the en- Luca Lastrucci vironment. Powersoft S.p.A. comply with the Directive 2002/96/EC and Managing Director 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.
  • Page 10: Electrostatic Discharge (Esd)

    It is recommended that all workstations where Electrostatic Discharge Sensitive devices (ESDS) and assemblies are handled outside of full static protection packaging (i.e. within static control areas) should be pro- vided with some form of ground conductive or dissipative flooring. viii | IpalMod | User guide...
  • Page 11: Ipalmod | 1

    The Differential Pressure Control – DPC – is the core IpalMod module. technology of the Integrated Powered Adaptive Loudspeaker We know you are eager to use the IpalMod module, but system, also known as IPAL. please take a moment to read this user’s manual and safety DPC makes IPAL systems efficient and reactive ®...
  • Page 12: Thermal Constrains

    3400 W peak power, the dissipated heat is: as the peak power delivered by the module 3400 (1 - 0.8) as the highest ambient temperature = 170 W as the highest operating temperature 2 | IpalMod | User guide...
  • Page 13: 2.Suggested Heatsink

    45 °C. 75 - 45 = 0.14°C/W 8 : 2.Suggested heatsink Powersoft provides an IpalMod compatible aluminium alloy (for further information, please refer to the DigiMod IK user heatsink, specifically designed to house the amp module, guide, available on Powersoft website).
  • Page 14: Electromagnetic Compatibility (Emc)

    In order to improve the electromagnetic compatibility prone to high an EMC filter must be inserted before the AC MAINS RF noise plugs on the power supply. Powersoft suggests the Schaffner FN2030-10-06 model. Parallel pair Configuration prone to RF noise...
  • Page 15: Mechanical Drawings

    Mechanical drawings FIGURE 7: IpalMod: side and back plate (all dimensions in millimeters). Mechanical drawings | 5...
  • Page 16 90° FIGURE 8: Pressure sensor (all dimensions in millimeters) FIGURE 9: DPC interface board (all dimension in millimiters). 6 | IpalMod | User guide...
  • Page 17: Connections

    Micro Match Socket 18 pin CN102 Interface board 2 Micro Match Socket Caution: do not connect any cable to the reserved CN1 connector on the IpalMod connection board: module doing so can result in permanent module damage. CN109 CN101 CN102 FIGURE 10: DPC interface to control board connections.
  • Page 18: 4.Amp Module: Bill Of Connectors

    R = 1 kΩ to 2,7 kΩ (ref. FIGURE 13). 11 : 4.2. CN17 pinout Pin# Name Description BY11 DSP/ext. circuit board  BY21 DSP/ext. circuit board  BY21 bypass  BY31 bypass  8 | IpalMod | User guide...
  • Page 19: 4.3. Cn14 Pinout

    11 : 4.3. CN14 pinout 11 : 4.6. CN2 pinout Pin# Name Description Pin# Name Description reference ground 1-2-3-4 5-6-7-8 rail bus OUT 9-10 MUTE Mute command 11-12-13 not connected Aux –12 –12 V 14-15-16 Aux +12 +12 V 17-18-19 –V –V rail bus OUT...
  • Page 20 Neutral Earth Phase Remove jumper to activate external volume potentiometer COLD External volume potentiometer (optional) Single transducer mode Dual transducers mode FIGURE 13: IpalMod: mains and audio connections. 10 | IpalMod | User guide...
  • Page 21: 5.Ipalmod Without Dpc Interface Board

    The IpalMod amplifier module can host an optional DSP i.e. without the optional DPC interface board. board such as the Powersoft DSP-D and DSP-4 interfaces, In order for the IpalMod to function without a connected as well as any other custom interface. Refer to FIGURE 12 interface board, the CN102 Micro Match connector on the for proper SIMM board dimensions and connectivity.
  • Page 22: Led Chart

    SOLID ON GREEN SOLID ON active Thermal protection YELLOW TEMP SOLID ON signal clip active No faults, system GREEN READY SOLID ON GREEN ready SOLID ON fully operating GREEN System on SOLID ON protection active 12 | IpalMod | User guide...
  • Page 23: Pressure Sensor

    In order to guarantee high system performance, the Cabinet proper placement of the pressure sensor on the loudspeaker cabinet and the correct connection of the transducer to the IpalMod are paramount. Pressure sensor WARNING! Inadequate or wrong positioning of the...
  • Page 24: Power Control Manager

    This can be done automatically or manually. http://www.powersoft-audio.com/docman/632-power-control-manager/file In order to implement a RS-485 port on a personal computer Powersoft recommend the use of the SPECTRA USB 2.0 to RS-485 converter (browse the SPECTRA web- site www.spectra.ch for further information). A DB9 to RJ45 adapter is needed as well (ref.
  • Page 25: 1.1. Automatic Discovery

    14 : 1.1. Automatic discovery 14 : 1.2. Manual discovery 1. Connect the amp module to the computer via the 1. Connect the amp module to the computer via the RS485 connection on the interface board. RS485 connection on the interface board. 2.
  • Page 26: Setting The Differential Pressure Control

    The Mute button is provided as well to The input signal can be delayed by user mute audio playback. definable amounts via the delay process- ing block. Parameters can be accessed and set from the main window. 16 | IpalMod | User guide...
  • Page 27: 2.Operating Modes

    15 : 2.Operating modes Current feedback loop The DPC technology can be exploited in two operating Transducer Input modes which differ in signal processing path and applica- Input Output signal gain stage tion scenarios. Radiating Pressure sound field sensor Feedback gain Pressure feedback loop FIGURE 24: Pressure model feedback loop.
  • Page 28: 3.Thiele/Small Parameters

    Ref SPL: reference sound pressure level (dB): Brownout Brownout is an even faster acting output peak power Ref SPL = 112 + 10 log(no). limiter, and works on a different principle than all other limiters. 18 | IpalMod | User guide...
  • Page 29: 5.More About Dpc

    This protection system quickly reduces the amplifier The hold time indicates how long the gain reduction oc- gain when the rails voltage decrease quickly due to an ex- curs after the output signal falls below the threshold. The cessive power draw from the load. Threshold voltage value attenuation parameter indicates the amount by which the is the value beneath which the rail voltage must drop for the output gain is decreased with respect to no attenuation.
  • Page 30: 6.Metering

    Acou. pwr (W ) – Estimated average acoustic power. Signal – This LED is on when a signal is detected at the input. Avg Rar (Rayls) – Estimated average acoustic impedance. 20 | IpalMod | User guide...
  • Page 31: Hardware Protections

    Hardware protections 15 : 8.1. Auxiliary power protections The architecture of Powersoft’s amplifiers encompass several protection mechanisms triggered by harmful signal Auxiliary plugs are protected against short circuit: a and temperature. Protection systems and triggers are inde- poliswitch opens the auxiliary circuits when the current pendently implemented in the power supply section (power drawn exceeds 1 A.
  • Page 32: Support And Warranty

    Powersoft dealer (or to Powersoft for repair. In the latter case, before shipping, distributor). You can also contact the Powersoft Technical you are kindly asked to follow step by step the procedure...
  • Page 33 Specifications AC Mains Supply Output Stage Universal regulated, switch Maximum output power 8500W @ 1Ω Power supply mode, with PFC Maximum unclipped output voltage 180 V peak Nominal power requirement AC 100 V - 240 V, 50/60Hz Maximum output current 110 A peak Operating range...
  • Page 34 Page intentionally left blank 24 | IpalMod | User guide...
  • Page 36 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...

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