Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)
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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 amplifierTriode and ultra-linear selection are available, which can be switched by the button on the amplifierWith a remote control,Vacuum tube protective cover,Fuse and an English manual.
상품설명
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 single-ended 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: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz) ~ 115V ± 5% (50Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg -90% 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)
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 amplifierTriode and ultra-linear selection are available, which can be switched by the button on the amplifierWith a remote control,Vacuum tube protective cover,Fuse and an English manual.
상품설명
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 single-ended 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: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz) ~ 115V ± 5% (50Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg -90% 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)
2020-06-19 11:01:28