Features:
This is DIY Kits, Need welding its by yourself !
Power Supply: DC180-300V+DC 12V
Using double-sided immersion gold processes gold-plated circuit board!
Taiwan produced copper foot precision metal film resistors!
brand high-voltage filter capacitor!
Ceramic Gold-plated tube socket to ensure contact reliability!
100% Brand New
Package included：Hifi 12AX7/12AU7 Tube Preamplifier Preamp Board Kit x 1 （not included tubes）
we can provide power supply board and transformer for this product !
