Budget IRS2092 500W amplifier subwoofer project powered by SMPS 500W -+58V
Автор: Viorel Caia
Загружено: 2019-02-23
Просмотров: 160539
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DIY IRS2092S 500W Mono Channel Digital Amplifier Class D HIFI Power Amp Board With FAN with SMPS 500W dual 58V power supply, test and results.
The Monacor subwoofer cabinet has been stripped by any filters and transformers, it is just a simple loudspeaker cabinet now.
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00:00 description
00:30 SMPS power supply +-58V
01:00 500W power amplifier
01:20 about low cut filter
03:35 How to connect the SMPS and the amplifier
04:37 power up !
05:00 resistor burn out!
06:00 voltage control
06:30 let's test another board!
07:00 same resistor burned
08:00 dumping the input 22nF
08:40 more tests
10:00 440Hz test
10:45 auto oscillating problem
13:00 final remarks
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