Top Selling OldChen K1 KT88 tube amplifier HIFI EXQUIS AIQIN OCK1 handmade scaffolding Audio amp

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New product

OldChen (Aiqin Tube Art)




  • With all tubes
  • Without tubes
  • With Bluetooth version
  • Without Bluetooth




Basic technical parameters:


  •   Tubes:  1 x 5Z3PAT rectifier tube
  •                2 x 6N8P(6sn7) voltage tubes
  •                2 x PSVANE KT88  power tubes(KT88 tubes garentie 6 months)
  • Power transformer :  0.35mm 105*60  Imported product
  • Output transformer:   0.35mm 86*40 Imported product
  • Output power: 15Wx2
  • Frequency response: 20Hz-25KHz
  • Output Impedance: 4 ohm, 8 ohm
  • Total Harmonic Distortion: ≤ 1% (1kHz)
  • Input Impedance: 100K ohm
  • Input Sensitivity: 500mV--2000mV
  • SNR: 88dB
  • Supply transformer Power: 150W
  • Size (W × D × H): 370mm × 240mm × 180mm
  • Net weight: 15 kg net
  • Thick double packaged 17.5 kg
  • Input voltage: 100v/110v or 220V-230V or 240v version, tell us your choise in the order masage, for 110v or 240v version we need extend processing time 3 days


Product technology and materials  

  • Using SPRAGUE or TRW or CE or MALLORY special HIFI audio capacitors
  • Powoer output transformer is quranty by AIQIN brand
  • Gold plate connection for all connections
  • Swith input source
  • Teflon silver plated wire partially used in main path in the machine
  • Containing silver soldering
  • Handmade scaffoldin
  • CLC filter inductor for rectifier tube

AIQIN is well-known brand in china, this KT88-k1 tube amplifier is new update version by one year research approved by everyone.  its EL34 series is already sold more 10milles copies.










The next tubes protection cover is include now, so you don't need to purchase it: