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HiFi Class A FU32 Vacuum Tube Integrated Amplifier Headphone Amp Single-Ended

6N2+FU32 tube as parallel the single ended output is 4W+4W, headphone output is 1W.
Great Match for Sennheiser HD800 /H600/HD650/HD700.
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  • Description
  • Reviews

1.with original Beijing 6n2 tubes to push vacumm tube FU32 Single ended class A amp

2.With good quality output transformer

3.with circuit protection

4.when testing the product with Sennheiser HD800 can compare the sound with Italy RP030 professional headphone

5.Signal source can from CD PLAYER or computer /PC (the sound card on coomputer should with output terminal)

6.using 6N2 to PUSH FU32 Parallel class A amp ,output power 4w+4w ,need matching the speaker with independant Resistance 4-8 ohm

7.Sensitivity >90db ,the size over 2inch speaker,Headset 32-600 ohm (near 1W )

8.With Japan Alps 16

9.with high Precision 1% resistor and imported capacitor

Features :
  • this product output : 4 ohm port is directly output ,8 ohm output is switched via the Headset connector switch
  • input:1 Way RCA input
  • output:Back amplifier connector output Resistance4 ohm 8 ohm two set connector 4W+4W
  • 6.35mm standard headset output hole 32-600ohm
  • Frequency:26-38KHz±2db
  • Output SNR>118dB "A"- wtd
  • The output total harmonic distor<0.008% 10Hz to 20kHz
  • headphone Maximum(Near 1w )
Technical Parameter 
  • Maximum output: 4W × 2 (4ohm)
  • Input Impedance: 100Kohm
  • Signal to Noise Ratio ::> 118dB "A" - wtd
  • Input Sensitivity: 500 - 2000mV
  • Headphone output: 32-600ohm
  • Total Hamonic Distortion: less than 0.008% (10HZ - 20KHz)
  • Tubes used: 2pcs FU32, 1pc 6N2
  • Size: 400mm (W) × 350mm (H) × 250mm (D),
  • Weight: 6.5kg
  • Point to point wire


  • 1PC Tube Amplifier
  • 1PC Power Cord
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