Details:

PCB Size: 173x110mm

Installation opening distance :161.036mm x 97.536mm

two Tubes holes are 100mm

Using Tube: 2pcs 12AU7 ( it also can use 12AX7 /6N11/12AT7/ECC82 etc. need note the filament working voltage)

Work voltage: 0- DC 325V
0-DC12.6V (for 12AU7/12AX7/12AX7)


The Conrad-Johnson PV-12 and Audio Note M7 preamplifier lines are basically the same, we are default use PV-12 values

Note:

Diy Kit：all parts need buyer t solder it (not included tube and potentiometer)


Assembled Board：have solder it well (not included tube and potentiometer）

Power supply board link：

https://www.ebay.com/itm/165149985946