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©2019 Powersoft

USER GUIDE

MiniMod 4

DO000243.00 Rev. 00

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Summary of Contents for MiniMod 4

Page 1: ...Keep this manual for future reference 2019 Powersoft USER GUIDE MiniMod 4 DO000243 00 Rev 00...

Page 2: ...powersoft_MiniMod4_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: ...rotections 12 12 1 Fan control 12 12 1 1 Primary AC mains overcurrent protection 12 12 1 2 Primary AC mains overvoltage protection 12 12 1 3 Primary thermal protection 12 12 2 Amplifier protections 12...

Page 4: ...ii MiniMod 4 User guide Page intentionally left blank...

Page 5: ...e with Powersoft s instructions 7 Do not install near any heat sources such as radiators heat regis ters stover or other apparatus that produce heat 8 Do not defeat the safety purpose of the polarized...

Page 6: ...tervention d un technicien est n cessaire dans les cas suivants le cordon d alimentation ou la prise secteur sont endommag s des corps trangers ou du liquide se sont introduits dans l appareil l appar...

Page 7: ...nico debe realizarlo siempre personal cualificado Se requerir servicio de asistencia t cnica cuando el aparato sufra alg n tipo de da o como por ejemplo que el cable de alimentaci n o el enchufe est n...

Page 8: ...NON CI SONO PARTI INTERNE AD USO DELL UTENTE RIVOLGERSI A PERSONALE QUALIFICATO PER L ASSISTENZA NON ESPORRE QUESTO APPARECCHIO ALLA PIOGGIA UMIDIT O SOSTANZE LIQUIDE OGGETTI PIENI DI LIQUIDI COME VAS...

Page 9: ...ilities 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...

Page 10: ...amage which is invisible This internal damage can then cause electrical failure or reliability problems It is recommended that all workstations where Electrostatic Discharge Sensitive devices ESDS and...

Page 11: ...hancing reliability and consistency in all operating conditions The high ef ficiency of the output stage improves overall perfor mance delivering pristine power and clean output signal A dedicated opt...

Page 12: ...formances 8 1 Heatsink performance Here we suggest a rule of thumb to calculate the thermal resistance of the heatsink The absolute thermal resistance of the heatsink is the temperature difference kel...

Page 13: ...les Is absolutely nec essary to verify this fundamental requirement of safety and in case of doubt require an accurate check by a qualified personal Is absolutely necessary to ground this device using...

Page 14: ...AL TOLERANCES UNI ISO 2768 M ACCORDING WITH THE LAW WE RESERVE THE PROPERTY OF THIS DRAWING IT CANNOT BE REPRODUCED OR OTHERWISE MAKE KNOW TO OTHER COMPANIES OR COMPETITORS WITHOUT OUR PERMISSION DRAW...

Page 15: ...according the standard and applicable national deviations Any EMI filter added into the mains cable must be screwed to grounded metal parts of the chassis and its PE cable must be connected to groundi...

Page 16: ...nput 3 1k 8 GND P Ground 9 VOUT1MON P 20V V 4 5k Channel 1 Output Voltage Monitor 10 PROTECT 12 P Level 1 4 5V to 5V not in protection Level 0 0V to 0 5V in Protection 4 7k Channel 1 Channel 2 Output...

Page 17: ...l 2 Negative Balanced input 26dB Input to Output Overall Gain Balanced 0 705Vrms for full output 8Vrms absolute max input 3 1k 29 IN 2 P Unbalanced 1 41Vrms for full output shorting pin 7 to GND 8Vrms...

Page 18: ...2 14 12 15VDC OUT P 12V 0 2A or 15V 0 2A 10 Negative regulated analog section supply same as pin 21 15 MUTE P Active Low To be pulled to GND by current sink at least 2mA CH1 CH2 CH3 CH4 Output stage d...

Page 19: ...3 GND Channel 3 Negative 4 HOT Channel 3 Positive 5 GND Parallel Ground 6 Signal Parallel Signal PL2001 pinout B6P VH JST Pin Symbol Polarity Description 1 GND Channel 2 Positive 2 HOT Channel 2 Nega...

Page 20: ...when you are bench testing 11 5 Output Configuration MiniMod 4 can be configured in 5 different output type of connections 4 x SE Single Ended 4 indipendent channels 2 x BTL Bridge Tied Load Two coup...

Page 21: ...H2 CH4 Parallel Parallel 2 x 150 W 4 1 x 300 W 8 BTL GND Parallel GND Parallel CH1 CH3 CH2 CH4 Parallel Parallel 2 x 300 W 2 PTL GND Parallel GND Parallel CH1 CH3 CH2 CH4 Parallel Parallel 1 x 600 W 4...

Page 22: ...ormer The limiting factor is set as follows fan starts to run as soon as the transformer reaches 80 amplifier starts to reduce the output stage voltage as soon as the transformer reaches 100 When the...

Page 23: ...oice coils if the input signal is above 20 kHz greater than 450mVrms the protection will activate starting the fan Increasing the input signal the amp module will reduce the output stage voltage until...

Page 24: ...LE FUSE 326 15AT 1 Red cable 14 AWG 1 Blu cable 14 AWG 1 Yell Green cable 14 AWG JST Housing pin out PIN 1 AC Mains L red wire PIN 2 Not connected PIN 3 AC Mains N blue wire AMP GND Ground yellow gree...

Page 25: ...AWG 1 Blue Cable 16 AWG 1 Orange Cable 16 AWG 1 Grey Cable 16 AWG Pin Out CH 1 3 JST Pin Cable Speakon Pin Speaker Pin 1 ORANGE 1 2 WHITE 1 3 GREY 2 4 BLUE 2 5 N U N U N U 6 N U N U N U Pin Out CH 2 4...

Page 26: ...1 Blue Cable 16 AWG 1 Orange Cable 16 AWG 1 Grey Cable 16 AWG Pin Out CH 1 3 JST Pin Cable Speakon Pin Speaker Pin 1 N U N U N U 2 ORANGE 1 3 N U N U N U 4 BLUE 2 5 N U N U N U 6 N U N U N U Pin Out C...

Page 27: ...e Cable 16 AWG 2 Orange Cable 16 AWG 2 Grey Cable 16 AWG 2 Loop Cable 16 AWG Pin Out CH 1 3 JST Pin Cable Speakon Pin Speaker Pin 1 ORANGE 1 2 WHITE 1 3 GREY 1 4 BLUE 1 5 LOOP N U N U 6 LOOP N U N U P...

Page 28: ...ble 16 AWG 2 Blue Cable 16 AWG 2 Loop Cable 16 AWG Pin Out CH 1 3 JST Pin Cable Speakon Pin Speaker Pin 1 N U N U N U 2 WHITE 1 3 N U N U N U 4 BLUE 1 5 LOOP N U N U 6 LOOP N U N U Pin Out CH 2 4 JST...

Page 29: ...assed use in conjunction with Bypass 0 dip switch Input signal pass through internal limiters D Mute Mute related channel disable output stage PWM generator Related channel unmuted E Limiters Disable...

Page 30: ...2P Positive rail Monitor Channels 1 2 20V V VMON34N Negative rail Monitor Channels 3 4 20V V VMON34P Positive rail Monitor Channels 3 4 20V V SDPWS12 Shut Down Power Supply Signal active high engaged...

Page 31: ...abled by Energy save status When SDPWS disabled H RDY1 2 3 4 GREEN When related channel in Ready Status When related channel not in Ready Status I PROTECT1 2 3 4 RED When related channel in Protect St...

Page 32: ...ON ON ON OFF OFF OFF OFF e OFF ON ON ON ON OFF OFF OFF d OFF ON ON ON ON ON OFF OFF c OFF ON ON ON ON ON ON OFF b OFF ON ON ON ON ON ON ON a 1 5 3 7 2 6 4 8 ON OFF For Minimod4 heatsinked on a standa...

Page 33: ...od4 provide an auxiliary volt of 15V available on MiniMod4 only A LEDs light bar indicates 4 different thresholds as listed in the table below Temperatures indicated on the scale must be considered on...

Page 34: ...1SW_N IN1SW_P IN1S_N IN1S_N IN1S_P IN1S_P IN2SW_N IN2SW_P IN2BS_N IN2BS_N IN2BS_P IN2BS_P IN3SW_N IN3SW_P IN3S_N IN3S_N IN3S_P IN3S_P IN4SW_N IN4SW_P IN4BS_N IN4BS_N IN4BS_P IN4BS_P BYPASS_0 IN1SW_N I...

Page 35: ...Evaluation Board KTP00477 25 14 11 Silkscreen...

Page 36: ...C27 100p 0603 R74 2K2 0603 R76 2K2 IN2EUNBAL IN2EXT_N IN2EXT_P TP7 TP9 IN1EXT_P IN1EXT_N VOUT1MON TEMPMON12 12VA 12VA MUTE1 MUTE2 12VA 12VA TEMPMON12 VOUT2MON IN2EXT_N IN2EXT_P IOUT2MON SDPWS12 SDPWS1...

Page 37: ...7R 0603 R126 47R 0603 C53 100p 0603 R121 2K2 0603 R123 2K2 IN4EUNBAL IN4EXT_N IN4EXT_P IN3EXT_P IN3EXT_N VOUT3MON TEMPMON34 12VB 12VB MUTE3 MUTE4 12VB 12VB TEMPMON34 VOUT4MON IN4EXT_N IN4EXT_P IOUT4MO...

Page 38: ...Q23 2N7002 SignalPre 0603 R184 100K Green D13 HSMG C265 0603 R180 2K2 0603 R188 1M 0603 R175 10K 0603 C48 100n 12SW 12SW 0603 C47 100n 12SW 12SW 0603 C26 100n 12SW 12SW 0603 C39 100n 12SW 12SW 0603 C...

Page 39: ...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...

Page 40: ...kHz Typical 70 dB Input sensitivity 4 dBu Input impedance 13 k balanced THD N from 0 1 W to 1 2 Power 0 1 typical 0 05 DIM from 0 1 W to 1 2 Power 0 1 typical 0 05 Thermal Environment Operating temper...

Page 41: ...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 Compli...

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