OldBuffalo FU7 (807) Tube Amplifier HIFI EXQUIS Class A handmade Fu-7 lamp amp luxury version OBFU7LX

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Old Buffalo FU-7 (807) tube amplifier Class A hand-made lamp amp Luxury Silver Version.

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  • With all tubes
  • Without tubes


The differences between luxury version and standard version:

  • Add to a Aluminum front panel
  • Add to a Double uv-metter
  • Upgrade the two copling capacitors by older orginal Sprague Vitamin Q x2
  • Upgrade to double signal inputs
  • Upgrade to use Dale resistances
  • Upgrade to bigger output transformer power :15W x 2
  • Upgrade to bigger power transformer: 220W 
  • Upgrade to use silver plated inside wires
  • Use better electronic components 


Techinical Parameters:(Hifi exquis 1101017)
  • Rated output power:12W *2((default ultra linear connection)
  • Frequency response: 20Hz - 25KHz
  • Total harmonic distortion: 1% (1kHz)
  • Input Sensitivity: 500mV - 2000mV  (Hifi exquis 1101017)
  • Input Impedance: 100KΩ
  • Output Impedance: 4Ω, 8Ω
  • SNR: 89dB  (Hifi exquis 1101017)
  • Dimensions (W × H × D): 36× 16.5 × 23cm
  • Rectifier: Shugang NOS 5Z3P, 
  • Preamp tubes: Shuguang NOS 6N9P(6SL7)x2
  • Power tube: New Shuguang FU7 ×2
  • Output transformer 15w 
  • Power transformer: 220W 
  • Net weight: about 11.5 kg   (Hifi exquis 1101017)
  • Package weight: 13Kg
  • input voltage:  110v-240v 50/60hz


  • 807 thrust larger, better vocal interpretation, likable.(Hifi exquis 1101017)
  • It sounds similar 6P3, but the performance to highlight some of it to the warrior's pride, the beauty of the gentle, refreshing flavor and form their own unique character. The sound quality is definitely not the other tube sound quality on par with it.(Hifi exquis 1101017)
  • When the anode voltage of 480V, when the anode current is 45mA, it has both the strength and Meng Jin KT88 (Hifi exquis 1101017)
  • Low-level than KT88, KT88 much better than jumping ability, good sense of air, the Church is very rich sound.
  • In middle frequency, dental, mouth are more clear,transparent and beautiful than EL34, 6P14. (Hifi exquis 1101017)
  • There are a higher resolution of transistor,but it is better than the transistor machine it's gentle, natural, melodious, sound field open, accurate positioning, as if enjoying a painting. (Hifi exquis 1101017)





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