Woo Audio - WA22 Balanced Amp and Preamp

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Overview

Originally introduced in 2009, WA22 has been an audiophile favorite. New for 2018 is improved sonic performance and preamplifier feature for use with a Hi-Fi system. WA22 (2nd gen) is an all-tube design, fully balanced headphone amplifier and preamplifier. The advantage of a fully balanced system is improved channel separation, more precise soundstage, and imaging. Perfectly suited for the headphone enthusiast and experienced audiophiles seeking flexibility and purest sound.

• Updated to 2nd generation in March 2018

• Tubes: 6SN7 driver x 2, 6080 power x 2, 5U4G rectifier x 1

• Polytetrafluoroethylene (PTFE) tube sockets

• Fully-balanced design, Class-A

• Transformer-coupled, Point-to-Point wiring, Pseudo-dual power supply

• Phase Splitter for use with unbalanced components

• HI / LO impedance setting

• XLR input x 1, RCA input x 1

• Dual 3-pin XLR (left and right channel), 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs

• XLR balanced PREAMP output (<50 ohms)

• ALPS smooth potentiometer

• Anodized aluminum chassis, available in black or silver

• Self-biasing with compatible tubes

• Global voltage (100v–220v) without converter

• Dimensions: 7"(H), 12"(W), 10½"(D) amplifier 25 lbs.

In the box

• Quick start guide

• WA22 (2nd gen) headphone amplifier/preamplifier x 1

• 6080 vacuum tube x 2

• 6SN7 vacuum tube x 2

• 5U4G vacuum tube x 1

*AC power cord and audio cables are not included

Specifications

Colors: Black, Silver

Voltage: AC 110/220 - 240V, 50/60 Hz, Switchable

Power Output: 1500 MW @32 Ω, 1500 MW @60 Ω, 1600 MW @120 Ω, 1100 MW @300 Ω, 700 MW @600 Ω (With 7236 Tube)

Frequency Response: 8 Hz - 50 kHz, -3 dB

Impedance: 100 kΩ

Signal/Noise: 92 dB

THD: <= 0.3%