Willsenton R800i – 300B / 805 Single-Ended Class A Integrated Tube Amplifier

Official Australian Version – 240V
In-Store Demonstration | Local Warranty | Full Support

Exclusively sold and supported by Audiophile Shop Australia – the only authorised reseller of the Willsenton export range in Australia.

We are proud to offer the official Australian version of the Willsenton R800i, with exclusive permission from Willsenton. This version is certified for 240V Australian power and covered by both a 1-year local Australian warranty and the official Willsenton manufacturer warranty for complete peace of mind. Only units purchased through Audiophile Shop Australia include local support and full after-sales service.

🎧 About the Willsenton R800i

The Willsenton R800i is a Class A, single-ended triode integrated amplifier, designed for high-end audio reproduction using the legendary 805 and 300B tubes. With its dedicated PRE-IN input, it can also function as a pure power amplifier, bypassing the internal preamp stage.

✨ Key Features

• Australia Export Edition with premium piano lacquer transformer cover

• Custom-made 805 tube sockets for improved contact, stability, and sonic performance

• Point-to-point hand-wired construction

• High-end Z11 iron core EI output transformers for extended frequency response

• Independent high-voltage and filament toroidal power transformers

• Dual power supply circuit with lightning protection and soft-start delay (~30 sec)

• Dual illuminated meters for bias and level monitoring

• All-aluminium chassis, assembled with imported components to strict European standards

• 5 Inputs: 3 × RCA, 1 × Balanced XLR, 1 × PRE-IN (for power amp use)

• Remote control with ALPS high-grade potentiometer

• Easy-access vacuum tube shield and external bias adjustment

🔩 Tube Complement

• Preamp Stage: 1 × 12AX7 (JJ), 2 × 6SN7

• Rectifier: 1 × 274B

• Driver: 2 × 300B

• Power Output: 2 × 805A

📊 Specifications

• Rated Output Power: 48W + 48W (RMS)

• Frequency Response: 12Hz – 35kHz (±1.5dB)

• Input Sensitivity: 280mV (Balanced), 1800mV (PRE-IN)

• Input Impedance: 100kΩ

• Output Impedance: 4Ω, 8Ω, 16Ω

• THD: ≤1% @ 1kHz

• SNR: ≥90dB

• Channel Balance: < ±0.5dB

• Power Consumption: 380W

• Dimensions: 440mm (W) × 410mm (D) × 275mm (H)

• Net Weight: 42kg | Gross Weight: 48kg

• Power Supply: AC 240V (Australian Version)

🔧 Optional A.L.A Audio Upgrade Packages

Available by special order -> Custom modifications and variations welcome.

(below is a guide for modification upgrade options)

Tube Upgrades:

• PS Vane Classic 274B Rectifier – $89

• Mullard 12AX7 Reissue – $65

• SYLVANIA 6SN7 GT VT-231 (1940s, matched pair) – $290

• Shuguang WE300B (matched pair, premium WE replica) – $980

• PS Vane ACME Series 805A (matched pair) – $1,145

Component Upgrades:

• NOS Bakelite DPST Toggle Power Switch – $55

• Neotech OCC PTFE 16AWG internal rewire (6m @ $30/m) – $180

• Furutech FI-03 Power Inlet – $35

• Gustard 5A Fuse – $52

• HiFi Tuning Supreme Internal Fuses (2 × $127) – $254

Mundorf Supreme Silver/Gold Capacitors:

• Coupling Caps (6sn7) (2 × 0.22uF 1000V @ $90) – $180

• Coupling Caps (300b) (2 × 1.0uF 1000V @ $161) – $322

• EIZZ Gold Carbon Stepped Attenuator – $205

• 4N Pure Silver Signal Wire, shielded, 20AWG (6m @ $28/m) – $168

• Furutech FP-903 RCA Sockets (1 pair) – $80

  • Optional: Full RCA Upgrade (8 sockets) – $320

• Furutech FP-803 Pure Copper Binding Posts:

  • 4 Posts – $280

  • Optional: 8 Posts – $560

• Audio Note Tantalum 2W Signal Resistors (12 × $19) – $228

Labour: $190/hour – Final cost based on chosen modifications.

📩 We offer three suggested modification tiers.
To request a quote contact:

Aaron  – Audiophile Shop Australia
📧 aaron@audiophileshop.com.au
📞 +61 434 516 440