Class A GE 5670 tube valve preamplifier preamp amplifier include transformer 110V Review
Test video linker: http://www.youtube.com/watch?v=SVwSbe_duCk A pure valve preamplifier, make sound more warm. Package GE5670 valve. sound is better then 6N3, Audiophiler MKP pro audio coupling capacitor.and nichicon filtering […]