Details：

PCB Size：133*100*1.6MM (W*H*D) This amplifier is base the famous USA SHUER M65 Circuit. using 2pcs 12AX7 tubes. （ note: the default price are not include the tubes) works voltage: 0-AC100V (80-100V are all ok) >=20mA 0-AC12.6V (12-16V are all ok) >=0.8A One point grounding, Gain: 1KHZ@48DB standard RIAA curve Note: this is a MM RIAA Turntable Phono preamplifier. not suitable for MC Turntable. We have the suitable transformer for this board:

https://www.ebay.com/itm/164772172098

Note：

Bare pcb：just 1pcs pcb，have not any parts Diy kit：all parts need buyer to solder，not included tubes Assembled board：have tested well，not included tubes