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Willsenton

WILLSENTON R-800I Integrated SET Amplifier

WILLSENTON R-800I Integrated SET Amplifier

Regular price $3,193.89
Regular price Sale price $3,193.89
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Willsenton R-800i 300B 805 tube Single-ended Class A Integrated Amplifier

Australia Version 240V

Audiophile Store, Authorised Reseller, Australia Stock, Local Warranty, Full Support

Audiophile Store Australia has been granted exclusive permission from Willsenton & China Hifi-Audio (the only Authorised Reseller of Willsenton products) to resell the Willsenton Export Range to the Australian Market covered by a 1 year local AU warranty and official Willsenton 1 year Manufacturer Warranty for your peace of mind. 

In store demonstrations are available! 

Willsenton R-800i 300B 805 is an integrated Amplifier that can also function as a power amplifier with dedicated PRE-IN socket essentially bypassing the pre amplification valve stage. 


Features:

The Export version use the piano lacquer transformer cover that show it very high range.
The Export version use the Special Tailor-Made tube socket for the 805, so, make the tubes very good connect and strong, tubes get long life and have nice sound.
Hand welding point to point, the main circuit adopts shed welding
Two wide frequency high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core to get the sweet sound.
High-voltage power supply and filament power supply independently use large high-efficiency toroidal, high-power power transformers with Z11 cores and special materials with sweet voice.
High voltage and low voltage dual power transformer, double insurance design, lightning protection and short circuit protection and electronic tube insurance are adopted to prevent the electronic tube from burning the transformer. Level meter and bias meter switching use. Blu ray dual meter design, true full balance input and pure rear stage independent input.
The whole machine is designed with aluminium alloy casing. It adopts imported materials and is tested and inspected in strict accordance with European standards.
The front stage uses one 12AX7(ECC83)(Brand JJ) and two 6SN7 vacuum tubes; the driving part uses two 300B electronic tubes to amplify the rear stage.
The front stage uses a 274B(fishhook style) for rectification
The rear stage uses two 805A vacuum tubes for class A single-ended power amplification
Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with balanced input function and pure rear function
Power on mute delay function, soft-start feature to prolong tube life (about 30 seconds).
Infrared function remote control
Use Japanese ALPS high-end potentiometer
Easy-to-install plug-in vacuum tube shield
Peripheral power tube bias current adjustment function and power output level meter sensitivity switch
Negative feedback circuit design
Soft, pure and sleek sound, suitable for listening to various types of music

Product parameters:
Rated output power: 48W + 48W (RMS)
Machine frequency response: 12Hz ~ 35kHz (-1.5dB)
Input sensitivity: 280mV
          Balance input: 280mV
          Pure power stage: 1800mV
Input impedance: 100KΩ
Output impedance: 4Ω, 8Ω, 16Ω
Harmonic distortion: 1% (1kHz)
Signal to noise ratio: 90dB
Left and right output balance: <± 0.5dB
Power consumption: 380W
Vacuum tube: 12AX7 × 1, 6SN7 × 2, 274B x1, 300B × 2, 805 × 2
Working conditions: temperature: 0 ° c ~ 40 ° c humidity: 20% -80%
Storage conditions: temperature: 20 ° c ~ 70 ° c humidity: 20% -90%
Machine volume: (440 * 410 * 275) mm
Net weight: 42kg
Gross weight: 48kg
Power supply voltage:  AC 240V 

The below Optional upgrades by A.L.A Audio are now available and on demonstration in store. Please note purchased version will be brand new & made to order, further customisation or deviations of below option packs is possible. 

Please contact Aaron to discuss the below upgraded versions of R800i as well as for pricing or to arrange for an in store demonstration.

 
Upgrade Option 1. - Revised! 
  • PS Vane classic series 274B - Rectifier Tube
  • Mullard 12AX7 Reissue - Preamp stage
  • NOS SYLVANIA 7N7 Chrome Dome Matched Pair - Preamp Stage
  • NOS Guiguang 4300B Tube 300B matched pair - PowerTube Drive Stage
  •  Replace key signal path section internal wiring with Bocctech PCOCC wiring 
  •  Replace key signal path resistors with Tacmam or ARMG carbon resistors 
  • Replace Coupling Caps with Mundorf Evo Oil 
 
Upgrade Option 2.
  • PS Vane classic series 274B - Rectifier Tube
  • Mullard 12AX7 Reissue - Preamp stage
  • NOS SYLVANIA 6S7NGT Matched Pair 
  • NOS Guiguang 4300B Tube 300B matched pair - PowerTube Drive Stage
  • Rewiring of internal Power Wiring from entry to switch, from switch to transformer &  all internal earth/ground wiring with 3mm solid core 6N OCC wiring 
  • Replace Power Inlet IEC with upgraded Furutech FI-06 and Gustard 5A Fuse 
  • Replace binding posts with Pure Copper variant - Call to discuss options 
  • Replace coupling caps with 0.22uF 1000V Mundorf Supreme EVO Capacitors
 
Upgrade Option 3. 
  • PS Vane classic series 274B - Rectifier Tube
  • Mullard 12AX7 Reissue - Preamp stage
  • NOS SYLVANIA or KENRAD military issue 6S7NGT Matched Pair 
  • Linlai WE300b matched pair - Power Tube Drive Stage
  • NOS 1960's Bakelite C-H DPST Power Toggle Switch
  • Rewiring of internal Power Wiring from entry to switch, from switch to transformer & all internal earth/ground wiring with 3mm solid core 6N OCC wiring 
  • Replace Power Inlet IEC with upgraded Furutech FI-06 or Bocchino Audio version with  Gustard 5A Fuse 
  • Replace binding posts with Pure Copper variant - Call to discuss options 
  • Replace internal fuses with hifi tuning Supremes  
  • Replace coupling caps with 0.22uF 1000V Mundorf Supreme EVO Capacitors
  • Replace decoupling caps with 0.1uF 1000V Mundorf Supreme EVO Capacitors
  • Replace volume attenuator with EIZZ Gold Premium Carbon Resistor Stepped Attenuator
  • Upgrade Internal signal wiring with shielded dead soft annealed 4N Pure Silver 
  • Upgrade one pair of RCA Chassis Sockets with TomCat TC-18's by Bocchino Audio
  • Replace Power Tubes with PS Vane ACME series 805a 
  • Replace signal path resistors (call to discuss as their are several options) 
  • Replace all key area resistors call to discuss 
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p
peter nutt

first up a big thankyou to aaron for all his help with this buy. great service. this is a fantastic amp straight out of the box.far better than i expected. teamed up with a mid 80's luxman a522 turntable and some custom built speakers.thankyou once again.