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Woo Audio

Woo Audio - WES


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  • The Short Story

    Ideal for

    Best for Home
    or Desktop Use


    1 Year of

    Designed & Made
    in the USA

  • The Long Story

    Made for STAX

    Connect easily to your favourite STAX Earspeaker with the Pro Bias 5-pin Earspeakers output. You can even connect to your favourite source devices with one RCA input and 2 XLR inputs.


    Feel the Tube Power

    The WES (2nd gen) Electrostatic Headphone Amplifier has 12 vacuum tubes — four EL34 tubes for the power, four 6SL7 tubes for the driver, two 5AR4 rectifier tubes and two 12AU7 for the phase inverters.

    Powerful But Gentle

    This amp has an innovative dual power switch which is meant to be gentle on the tubes when starting the unit from cold. Flipping the first switch on provides low voltage to the heaters while the amp remains in standby mode. On turning both switches on, the WES will work at full power giving you reference quality sound without any fatigue.

    Nothing but Pure Sound

    Experience sound made from the purest copper found. The WES has a matching quad of output loading chokes that use Single Crystal Copper wires. This gives you great clarity, dynamic range, sound space and control.

    Stylish & Durable

    The WES features a two-chassis system made of anodised aluminium. It includes a power supply and a fully balanced amplifier. A balanced smooth potentiometer and dual power switch make this amp a breeze to use.

  • Specifications

    Peak-peak voltage swing 1300 volts
    Tubes 4 x EL34 power, 4 x 6SL7 driver, 2 x 5AR4 rectifier, 2 x 12AU7 phase inverter
    Power consumption 118 watts
    Weight 18.2 kg
    Signal/Noise >100 dB
    THD <= 0.3%
    WES (2nd gen) Electrostatic Headphone Amplifier
    1x WES (2nd gen) power supply unit
    4x EL34 vacuum tubes
    4x 6SL7 vacuum tubes
    2x 5AR4 vacuum tubes
    2x 12AU7 vacuum tubes
    Quick start guide
  • Warranty

    Don’t sweat it, This Woo Audio product is covered by a 1 Year manufacturer's warranty.
    Learn more

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