Himing RIVALS Prince AK-88 KT88 Tube Amplifier HIFI EXQUIS Single-Ended handmade Lamp Amp

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  • Without USB card
  • With USB Decoder
  • With all tubes
  • Without tubes
  • With Bluetooth version
  • Without Bluetooth

Standard version option is the standard version , it's without USB and Bluetootch function

With Bluetootch vers option is the standard version with Bluetootch function

With USB function ve option is the standard version with USB function


The current new version(selling version),  the transformer cover is became to round type:



Next photo show the older version's transformer cover and front panel, it have a small different than new version :




Basic technical parameters:

  • Tubes: 
           Rectifier tube: SHUGUANG 5Z3PAT x 1
           Voltage tube: SHUGUANG 6N8P x 2

           Power tubes: 2 x PSVANE KT88   
  • Output power: 12W * 2 (ultra-linear connected)
  • Frequency response: 20Hz-20KHz
  • Output Impedance: 4ohms - 8ohms
  • Power transformer: Japan's Z11 0.35mm 105*60 240W, HIFI hademad quality
  • Output transformer: Japan's Z11 0.35mm 86*40 , HIFI hademad quality
  • Total Harmonic Distortion: 0.5% (1kHz)
  • Input Impedance: 100Kohm
  • Input Sensitivity: 500mV--2000mV
  • SNR: 88dB
  • Size (W x D x H): 370mm x 290mm x 60mm(155mm max)
  • Net weight: 18 kg     
  • Input voltage: 110-240V 50-60hz
  • Front panel color: Black


  • 2 Milliammeters independently in real-time display  your power tubes emmsion values, assure your power tube have a good value, and chang the value if you want for a better "Overclocking"(do not recommande for junoir ) 
  • 3 RCA analog source inputs with input switche on front panel
  • Switch inputs in front panel for eliminate circuit interference
  • Change to use EL34 tube by adjuste Gate negative regulable by -VB1(left) and -VB2(left), it will change the emmission current value for all beam tetrode tube (should consult us before to adjust it)
  • Voltage tubes midpoint noise adjustable by hum1(left) and hum2(right),should consult us before to adjust it
  • Tubes are strict paired
  • HUM1 and HUM2 is for change filament center to reduice power tube noise(if it has, but do not change it for new amplifier and tube)
  • Handmade Point to Point scaffolding welding
  • Machines with four audio resource switching circuit
  • Inspire Poland’s famous kt88 tube amplifier circuit, the circuit is matured and the sound is great
  • Classical and also modern design


This tube amp is one the most popular tube amps created by "Veteran",  he inspire Poland’s famous classic amplifier to create this high level KT88 tube amp. it's used for 10-150w HIFI Speakers to all music type, soft voice and surging bass are its special feature.







Transformer cover in next photos are the older cover, the new version's cover is round like on the up photos :











HIFI EXQUIS use double packages to ship this amplifier

HIFI EXQUIS offer one of AU/EU/US/UK standard power cable for this amplifier