Assembled 2018 Ver RIAA MM Tube phono stage amplifier board
      -------base on UK EAR834  (MM amplification part) design




This version has Optimized layout. also has integrated the Power supply circuit, it is more easy to built a hi-end phono stage amplifier.

PCB Size: 205*153*1.6MM   (1OZ copper, Gold plated FR4 grade A PCB material)

Works voltage:  0-AC220V  above  20mA
                       0-AC14V   above  0.8A


Tube model:  3pcs  12AX7   ( Note: the default price is not include this tubes)

Two independent channel,

One point ground, no noise at the end.

This version is MM-RIAA amplifier

Gain: 1KHZ @ 48DB


We can provide the BOM and schematic via email.