Willsenton R8 KT88/EL34 x4 Tube Integrated Amp Power Amplifier New

Product Price: Starting at: $893.18 USD

  • Product Model: Model: MUIA9832268
  • Product Weight: Shipping Weight: 30kg
  • Product Quantity: 2 Units in Stock

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Come with Tube cage cover

Remote Control

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Current Reviews: 73


Willsenton R8 stereo Amplifier tube KT88x4 or EL34*4 Integrated Amplifier & Power Amplifier & Headphones amp All in One
100% Brand New
In Stock

There is NOT any other version for Willsenton R8. You will get the Willsenton recently 2023 December produced R8 .
This R8 changed the 300uF450V capacitor to 330uF500V.
Add 2 Resistors at Bais PCB for each of KT88 to protect KT88 tube once BIAS potentiometer lose efficacy.
Changed the label of choke coil to be 1.5H@220mA


All items guaranteed 100% BRAND NEW in the original edition Box.
• Willsenton R8 is an integrated Amplifier, it is a Power Amplifier too (there is a group Power amp input), it is a Headphones amp too.
• One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes if you buy more 2 new sets of tube.
• Triode and ultra-linear Switchable

• Pure hand-made, Point to point manual welding.
• Use a square power transformer specially developed for this machine.
• The output transformer uses two high quality wideband EI output transformers.
• The preamp stage uses one 6SN7 for power supply filtering.
• The voltage amplification stage and the driver stage use two pairs of 6SL7 and 6SN7 tubes, respectively.
• The power amp stage uses four KT88/6550/EL34 tubes for class AB Push-pull power amplification.
• Triode and ultra-linear selection are available. The triode works in a soft, pure-and sleek sound, suitable for listening to vocals, strings and other types of music. Ultra-linear working mode, sound-tone open, unrestrained, good momentum, suitable for enjoying big scenes, big dynamics and other types of music.
• External independent BIAS-ADJ current display header. Adjustment and BIAS meter monitoring function keeps the best state of the power tube at all times.
• External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun.
• Infrared full-featured remote control.
• Use thick silver plated signal leads.
• With pure post-level function, it can be connected to independent preamplifier signal input.
• Power on mute delay function, soft-start feature to prolong tube life (about 30 seconds).
• Select Japanese ALPS high-end motor potentiometer.
• Easy-to-install plug-in tube cage cover.

Product parameters:
Frequency effect: 10Hz 40kHz (+/-0.5db)
Total harmonic distortion: 1% (1kHz)
Signal to noise ratio: 91dB
Input sensitivity: 380mv (when Integrated amp input), 820mv (when pure power amp input)
Input impedance: 100KΩ
Output impedance: 4Ω, 8Ω
Rated output power:
        25W+25W (RMS triode working state) (KT88, 6550EH or EL34)
        45W+45W (RMS ultra-linear working state) (KT88, 6550EH)
        40W+40W (RMS ultra-linear working state) (EL34)
Preamp stage power supply filtering Tube: 6SN7*1
Voltage amplifier stage Tube: 6SL7*2
Driver stage Tube: 6SN7*2
Power vacuum tube: KT88*4 or 6550EH*4 or EL34*4 (only 1 kind of power tube come, you need to choose)
Power supply voltage: AC 100V to 240V 60Hz/50Hz, 110V, 115V, 120V, 220V and 230V version are in stock. (there is a 230V/115V voltage change-over switch inside of body), (100V, and 240V version need to take 3-14 business days to order)
Power consumption: 280W
Dimension: (W*H*D): 400*203*390 mm    (16*8*15inch)
Net weight: 26kg(57LB)
Gross Weight: 30kg(66LB)
Working Condition: Temperature: 0℃~40℃ Moisture: 20%~80%
Storage Condition: Temperature: -20℃~70℃ Moisture: 20%~90%

This is a vote, the members at Facebook group Willsenton tube amplifier do it.
What power for a solid state amplifier have the same power of Willsenton R8?
What people at Facebook group Willsenton tube amplifier, 50% members are the owner of R8, 50% try to get some info at the group.
Deduct the highest and lowest watts and get average 145.8W, it can serve as a reference value.
(100*15+200*8+50*5+250*4+150*2+300*2)/(15+8+5+4+2+2)=5250W/36=145.8W https://www.facebook.com/groups/2590463257727776/permalink/4152622054845214































































































































This product was added to our catalog on Friday 01 November, 2019.