Tube preamplifier 12AU7 ECC88 Fully Balanced preamp refer ARC circuit by ZHI

Description

this is KIT for DIY,  unsoldered.......
not every lot of components are exactly same as picture but in same quality
With capacitor +168 Type moto potentiometer and pot extension sharft
tubes will not included
(there is no instruction, part list, need DIY electronic knowledge. there is risk of failure,
you need to know how to make tube preamp work.)
can provide schematic for your reference
Produced by ZHI,
a series of
high end tube phono amp & tube preamplifier board kit, you can seach ZHI in my store
Circuit refer on famous classical  circuit ARC,  fully balanced design.
Voltage marked on PCB already,
balance In- balance out, balance In - Single ended out , single ended In- single ended Out, single ended in - Blance Out
Use 12AU7 x 2 pcs,  ecc88 x 2 pcs,  6x4 one peice (not incldued in the kit)