Product Details:
Refer to QUAD-22 circuit design Using 6Z4 electronic tube rectification and 6N4 signal amplification, the sound is thick and clean.
1:) The 6N4 tube with a strong musical flavor was selected as the signal amplifier tube, and the processed sound is very loose, calm, pure, and musical.
2:) Adopting 6Z4 electronic tube rectification.
3:) 6N4 electronic tube as signal amplifier tube.
Specifications:
PCB size: 175MM * 120MM
Including electronic tube height: about 70mm
Input voltage: AC230V-0-230V AC0-6.3V AC0-6.3V
Package List:
1 × QUAD -22 tube preamp board（inclued the tubes）
