JBH 6j4 ( EF94 ) 6p6p ( 6v6 ) Tube Pre-amplifier HIFI EXQUIS best sound high density bass preamp finished product

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New product


This tube pre-amp use some very welknow tubes:
Chinese 6j4 can be replace directly by europ EF94 tube or US 6AU6
Chinese 6p6p can be replce directly by 6v6

More details




  • With all tubes
  • Without tubes


The new version has arrived,  reduce again the S/N and improve the performence

The unit cheapest preamplifier in market, and it's one of best preamp, give a best and full frequence finest sound, have only 5 star best feedback

  • Driver tube: 6j4
  • Preamp tube: 6p6p 
  • Rectifier: 6z5p
  • Output voltage for 12vPP 
  • Gains: x8
  • ALPS type16 customed 100K volume Potentiometer
  • Gold-plated RCA plug.
  • Frequency response  : 10Hz—100KHz(±0dB)
  • SNR: 89db
  • 3 model tubes is: 6j4(2pcs) + 6p6p(2pcs) + 6z5p(1pcs) Shuguang
  • 4 ways inputs, 1 ways output.
  • Size: 29*17*5CM
  • Input voltage: 110v-240v




With blow plate:

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