This is the circuit diagram of 2000W class AB power amplifier uses 7 pairs MJ15003 and MJ15004 transistors for the final amplification block. The circuit operated with 90V DC symmetrical (dual polarity) power supply circuit. The transistors must be mounted on heatsink to prevent the overheating, maintain the transistors work in maximum performance.
2000W Class AB Power Amplifier Specifications:
- Max. Output Peak Power: 2000 Watt Peak @ 2?Ohms Loudspeaker
- Max. RMS Output RMS Power: 1000 Watt RMS @ 2?Ohms Loudspeaker
- Max. Bridged RMS Output Power: 2000 Watt RMS @ 4?Ohms Loudspeaker
- RMS Output Magnitude: 44.7v RMS
- Peak Output Magnitude: 65v Peak
- Freq. Response: 20Hz ~ 20KHz
- Max. Output Gain: 40dB
- Input: 100mV Peak
- DC Power Supply: 90v DC (Dual Supply)
Download the schematic diagram in PDF document for higher image resolution:
Goodluck š
essas informaƧes sĆ£o minha colaboraƧao para quem for montar o amplificador acima!
me ajudem tambem se inscrevam no meu canal:
https://www.youtube.com/channel/UCKZ2Ukr0x0k5deHe2tH4eTQ
+-90VDC
Corrente do transformador para um canal:————15.81 A
Corrente do transformador para dois canais:———31.62 A
Corrente minima do transformador para um canal:—–11.11 A
Corrente minima do transformador para dois canais:–22.22 A
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Thank you
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please send the clear resolution circuit diagram of 2000w class AB amplifier and its power supply diagram to my email. thank you for the information
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goodday everyone, the PGND output, where it is connected, its connected to 0V of +90V/0V/-90V power supply or where? pls. advice me, thanks in advance.
sir it’s me sandeep unnichery how are u sir; sir one 2000watts AB amplifier circuit some diode value are not clear, sir pls send it to and the pcb of this amplifier pls sir, I want to do this amplifier on my shop pls sir ,thanks u sir.take care sir
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THANKS,PLEASE CAN I KHOW WHY YOU DID NOT PUT BASE RESISTORS ON THE OUTPUT POWER TRANSISTORS?,AND ALSO WHAT SIZE OF POWER TRANSFORMER SHOULD I USE IN TERMS OF POWER OUTPUT?.CAN YOU PLEASE POST TO ME THE PCB DIAGRAM.
THANKS,NAKUDO ROBERT.
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NICE WORK
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please send the clear resolution circuit diagram of 2000w class AB amplifier and its power supply diagram to my email. thank you for the information
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GOOD DAY!!!
SIR, HOW TO GET THE FOIL PATTERN OF PCB 2000 WATTS CLASS AB POWER AMPLIFIER PLEASE ADVICE THANK YOU…..
I Just want to mention that the complementary pair MJ15003/MJ15004 have a Vceo of 140 V. However, according to the schematic, the power rail is +/- 90 V, and the output peak voltage is 65 V. So, for a short period of time, the Vce will be equal to the addition of both, which means 155 V. If you are bad-lucky and you have some weak transistors, you can break down the emitter-collector junction…and destroy them.
Beside that, this transistor is very tough, I build myself, many years ago, a 300 Watts RMS on 4 Ohms load power amplifier that use 3 pairs at the output stage.
Sir,
Please give me the pcb component layout of 2000W class AB amplifier.
Regards,
Jerin.
Hi Sir request u to kindly send the PCB file pattern of 2000 watts power amp class AB
Dear friend
Can you please send me the power supply diagram and PCB if you have made it.
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how to get the foil pattern pcb 2000 watts class AB power amplifier please advise thank you!
WONDERFUL CTT , THE PCB IS QUITE SIMPLE
A GOOD CTT, MTHE PCB IS QUITE SIMPLE .
sir,can u post a foil pattern pcb of 2000watts ab amp. thanks
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how to get the foil pattern pcb 2000 watts class AB power amplifier please advise thank you!
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