A1 Preamplifier Tone Panel

1、Using fully enclosed dust‑proof potentiometer, the performance is more stable, and it is more durable than ordinary potentiometers. 2、The front stage has a magnification switch, which can be switched between 3.5 times and 7 times. 3、The board has an op amp socket, you can freely replace and upgrade the op amp according to your own hobbies to meet different listening feelings. 4、The wiring layout of the entire circuit board is quite rigorous and reasonable, and the work is stable and reliable. 5、The details are clear, the transient response is excellent and all kinds of music can be played with ease.Item Type: Tone Board Material: PCB Power Supply Voltage: AC 12V-18V 1 x Tone Board