Details：

PCB size: 110X76MM

Power supply voltage: AC12VX2 to AC20VX2

Op amp options:
NE5532, low frequency and thick warmth, more classic
OPA2111, delicate, good voice, excellent positioning
49720NA, AHP, better distortion

Package included：

Dual preamplifier board pcb x 1

Not included any parts ！


Image 1 - HiFi MM / MC Phono Preamplifier Board PCB Base On Dual Turntable Circuit AirViny

Image 2 - HiFi MM / MC Phono Preamplifier Board PCB Base On Dual Turntable Circuit AirViny


Assembled board ，just for reference：


Image 3 - HiFi MM / MC Phono Preamplifier Board PCB Base On Dual Turntable Circuit AirViny

Image 4 - HiFi MM / MC Phono Preamplifier Board PCB Base On Dual Turntable Circuit AirViny