Review on π HIFI Amplifier Board: NE5532 Preamp Tone Board Kit, AC 12V, DIY Amplifier by Tamanika Evans
STAY AWAY! for amplifier
Terrible, no instructions, no information on power requirements for the unit, I started with a 12 volt 1 amp power supply, got only distortion and no beep! I bought 2 of these both didn't work. Can't believe it was just distortion and no beep, without a schematic I couldn't even fully test the board! Stay away from these devices!
- cost-effective use, new high optimization NE5532 OP-AMP
- There are other interesting options.
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