JBH FU50 Tube Amplifier HIFI EXQUIS 6N8P driver finished product handmade Class A lamp amp

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The FU50's sound is close to 300B, so some time it's called little 300B, the sound is better than EL34


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  • With all tubes
  • Without tubes

The FU50's sound is close to 300B, so some time it's called little 300B


The 6J8P
 voltage amplification tube is more tube flavor,  and we have another voltage amplification tube: 6n8p match with this amplifier, its sound close the high resolution sound, if you want you can tell during the order to replace 6j8p by 6n8p, with 10USD extra fees 


  • Rated output power: 10W × 2 (8 ohm triode connected)
  • Frequency Response: 20Hz ~ 30kHz ± 1db
  • Total Harmonic Distortion: <1% (1kHz)
  • Input Sensitivity: 2V
  • Input impedance: 100KΩ
  • Power transformer: 96*50  160w
  • Output transformers: 66*45  13
  • Output Impedance: 4ohm - 8ohm
  • SNR: 89dB
  • Tube: Preamp tube:  6n8px2, 
              Rectifier tube : 5Z3P x1, 
              Power tubes: FU-50 x 2
  • Dimensions (W × H × D): 360 * 230 * 50cm
  • Weight: about 10Kg with packaging
  • Input voltage:  110/120v, 220/230v, 240v,  


Bottom plate is include

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