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WA5-LE (2nd gen) Headphone Amplifier

Woo Audio WA5-LE 2nd gen amplifier
Woo Audio WA5-LE 2nd gen amplifier

WA5-LE (2nd gen) Headphone Amplifier

from 3,699.00
  • BTO, ships in 2–3 weeks

  • Limited time, FREE shipping worldwide

    Have questions? Contact us.


Comments and Reviews


WA5-LE (Lite Edition) is a single-ended triode (SET), class A tube amplifier. It differs from the highly acclaimed WA5 only in that it is a dedicated headphone amplifier and cannot be used to drive loudspeakers. In all other respects, WA5-LE is identical to the WA5 and offers the same captivating sound quality. WA5-LE is designed around the audiophiles' favorite 300B vacuum tube. This tube provides exceptional transparency allowing the listener to experience music close to a live performance. 


  • Updated to 2nd generation in August 2015

  • Tubes: 6SN7 driver x 2, 300B power x 2, 5U4G rectifier x 2

  • Polytetrafluoroethylene (PTFE) tube sockets

  • Single-ended Triode, Class-A

  • Transformer-coupled, Point-to-Point wiring

  • Pseudo-dual power supply, dual chassis design

  • User selectable HI/LO headphone POWER

  • User selectable HI/LO headphone IMPEDANCE

  • User selectable HI/LO headphone LEVEL

  • XLR input x 1, RCA input x 2

  • 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs

  • ALPS smooth potentiometer

  • Anodized aluminum chassis, available in black or silver

  • Self-biasing with compatible tubes [chart]

  • Global voltage (100v–240v) without a converter

  • Dimensions: Amplifier: 8½"(H), 9"(W), 17"(D) 35 lbs., Power supply unit: 8½"(H), 9"(W), 17"(D) 35 lbs.

The Audiophile-grade premium internal parts upgrade adds the following for $1250. *Available only at the time of original build.

  • V-Cap CuTF input coupling caps. Matched pair 0.15uf/600V

  • Blackgate bypass (6SN7 cathode) caps, 150uf/350V

  • Mundorf decoupling caps, 100u/500V

  • Mundorf voltage filtering caps, 220uf/450V


*Specifications and appearance are subject to change for improvement without notice.

*Specifications and appearance are subject to change for improvement without notice.

  • Quick start guide

  • WA5-LE headphone amplifier x 1

  • WA5-LE power supply x 1

  • Umbilical DC cord x 1

  • 6SN7 vacuum tube x 2

  • 300B vacuum tube x 2

  • 5U4G vacuum tube x 2

*AC power cord and audio cables are not included

In the box


Driver Tube Upgrade 1

Rectifier Tube Upgrade 2

TA-274B Takatsuki Tube (In Pair)

Rectifier Tube Upgrade 1

Rectifier Tube Upgrade 2

Power Tube Upgrade 1

TA-300B Takatsuki Tube (In Pair)

Power Tube Upgrade 2