102 In stock
Finished PCBA Amplifier Board
MM Phono Amplifier Board No Including OP IC Turntable Phono Amp OPA2604 YBA Circuit Attenuated RIAA Gain 100 Times HIFI Audio DIY
Model No: WMMIC-PAYBA
It is a phono amplifier board with IC, which adopted classic circuit by French YBA, effectively suppresses static noise, and it can be used with any power supply.
PS: the board doesn’t include OP IC. We recommend you use OPA2604 or similar.
(The board doesn’t include OP IC above, the IC only for you information)
1. Gold-plated double-sided board.
2. Recommended operational amplifier IC: 0PA2604.
3. DC ± 15V power supply.
4. Gain: 100 times
Recommended power board: WPS-SA13 servo power board
Note: Due to high mobility of HIFI parts or components, there is no guarantee that parts or components of the finished board will be same as the one on the picture, but we make sure to use the same quality parts or components. All to prevail in kind, thanks for understanding!
Phono amplifier is designed for a phono signal amplification while using Turntables amplifier inside for special sound equalization circuit (RIAA) for restoring vinyl, it cannot be used for other purposes.
Method for checking noise sources
After phono player connected with the phono amplifier stage, if there is a significant low-frequency noise, you need to check in which part of the noise. First unplug the phono amplifier input signal cable to disconnect connection between them, if the low-frequency noise disappeared or significantly reduced, that may explain the noise from the phono player; obvious if the same or reduce low frequency noise , the noise it is very likely to put itself caused by phono amplifier.
It may cause a greater frequency noise that no specialized non-standard phono ground wire.
Generally, nonstandard phonograph is a turntable part of music center to cope with this set of sound designed, when external phono amplifier put to ground that could cause a large hum due to the different ground ways.
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