Review on π HIFI Amplifier Board: NE5532 Preamp Tone Board Kit, AC 12V, DIY Amplifier by Matthew Riley
STAY AWAY! - Amplifiers
Terrible no instructions, no information on power requirements for the device, I started with only 12 volt 1 amp power supply there is 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!
- consume sparingly ,New optimization high NE5532 OP-AMP
- New competitors emerged
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