Willsenton R8 Tube Amplifier KT88x4 HiFi Audio Power Amp Replaceable with Basic Meter

Willsenton R8 Tube Amplifier KT88x4 HiFi Audio Power Amp Replaceable with Basic Meter

Product Price: $768.99 USD
Product Quantity: 9 Units in Stock

Color:



Voltage:



Rmote Control:



Come with Tube cage cover:



Devliery-time: On-time Delivery With (DHL/UPS/EMS) About 7-10 days!

Custom taxes: All product not include taxes, But we can declare low values as your wish!

Payment:

Buyer Protection

  • Full Refund , if you don't receive your order or sold out
Declaration

Two colors are available: Black and Silver

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. 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 (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 
Working conditions: Temperature: 0°~40°C, Humidity: 20%-80% 
Storage conditions: Temperature: 20 ° C ~ 70 ° c, humidity: 20% -90% 
Rated output power: 
25W+25W (RMS triode working state) 
45W+45W (RMS super linear working state) (KT88) 
25W+25W (RMS triode working state) 
40W+40W (RMS super linear working state) (EL34)

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