Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)

The model currently on sale is the New Model upgraded in December 2023.
Features
Pure hand-made, the whole machine is welded with scaffolding.
Use a square power transformer specially developed for this machine.
The output transformer uses two high quality wideband EI output transformers.
The voltage amplification and boost stage uses a 6SN7 for power supply filtering.
The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively.
The rear stage uses four KT88/6550/EL34 tubes for class AB push-pull power amplification.
Triode and ultra-linear selection are available.
External independent BIAS-ADJ current display header.
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 (about 30 seconds).
Select Japanese ALPS high-end motor potentiometer.
Easy-to-install plug-in tube shield.

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: 100KO
Output impedance: 4O, 8O
Power supply voltage: 230V 5% (50Hz/60Hz) ~ 115V 5% (50Hz/60Hz)
Machine volume (400*203*390) (W*H*D) mm
Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4
Power consumption: 310W
Net weight: 26kg
Rated output power:
25W+25W (RMS triode working state)
45W+45W (RMS ultra-linear working state) (KT88)
25W+25W (RMS triode working state)
40W+40W (RMS ultra-linear working state) (EL34)

Features of Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)

This amplifier can be used with KT88 or EL34 vacuum tube, and there is a Red selection button on the Back of the amp to switch. The default matching tubes of this machine is KT88. If you need EL34 tubes, please purchase separately. | Pure hand-made, the whole machine is welded with scaffolding. | Can be used as an Integrated amplifier, power amplifier or Headphone amplifier | Triode and ultra-linear selection are available, which can be switched by the button on the amplifier | With a remote control,Vacuum tube protective cover,Fuse and an English manual.

Specification of Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)

Product Details
Color	Black
Dimensions	19.69X11.81X20.08
Weight	66