UPC1892CT + NE5532 Tone plate Volume control Board Preamp amplifier With treble b balance volume adjustment

Adopt NEC's upc1892 ch design, with NE5532 , high pitch, ba, balance, volume adjustment, potentiometer adjustment using DC control mode, potentiometer separation will not cause interference, use single power supply for convenient use Working voltage: DC 12-24V or AC double 8-16v Board size: 100mm*50mm Common problem handling: Current sound (interference): The tone board power supply must be powered by a separate transformer. The iron core is the best, and the ring type R is not good. (There is no good power supply, the effect. Low noise can't be talked about). Potentiometer adjustment is out of control or function is not normal: In this case, most of the potentiometer is mounted on the metal panel, and the short circuit is caused for some reasons (1892 is DC control, the control voltage is shorted, and the function must be out of control). In the case of such a problem, it is neceary to remove all of the four potentiometers from the panel and find out the cause of the short circuit with the panel. Paage include 1 xUPC1892CT + NE5532 Tone plate Volume control Board 4 x potentiometer 2 x 30cm Audio cable

About shping
Shping and Pa All it will be double cheed and well paed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the paage to the destination(for e areas,it may take a little longer). 

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