ABOUT US / HISTORY / MANUALS
ABOUT US
Woo Audio is a New York based company founded in 2004, our mission was then, and to this day remains, to fulfill the desires of the most demanding audiophiles and delight both the listener's eyes and ears.
Each amplifier is designed, hand assembled, and shipped from our New York workshop. Warranty and product support are handled by our U.S.-based team members. We refuse to compromise on build quality to reduce production cost. Every Woo Audio product uses the best quality parts and components available to ensure lifetime reliability and exceptional sound quality.
Woo Audio is committed to continually enhancing your listening experience and is excited by the prospect of introducing you to a whole new world of sound.
PRODUCT HISTORY
MANUALS / USER GUIDES
WA1 OTL HEADPHONE AMPLIFIER
Release Date: 2004 – 2006
6922 driver tube
6080 power tube
WA11 topaz Balanced HEADPHONE AMPLIFIER / DAC
Release Date: 2018 – Present
Solid-state
4.4mm Pentaconn® balanced input / output
WA2 OTL HEADPHONE AMPLIFIER
Release Date: 2004 – Present [LEARN MORE]
6922 driver tube x 2
6080 power tube x 2
EZ80 rectifier tube x 2
WA22 (1st gen) Balanced HEADPHONE AMPLIFIER
Release Date: 2009 – 2018
6SN7 driver tube x 2
6080 power tube x 2
5U4G rectifier tube x 1
WA22 (2nd gen) Balanced HEADPHONE AMPLIFIER / PREAMPLIFIER
Release Date: 2018 – Present [LEARN MORE]
6SN7 driver tube x 2
6080 power tube x 2
5U4G rectifier tube x 1
WA3 OTL HEADPHONE AMPLIFIER
Release Date: 2005 – 2016
6922 driver tube x 2
6080 power tube x 1
WA4 OTL HEADPHONE AMPLIFIER
Release Date: 2005 – 2010
6922 driver tube x 2
6C19 power tube x 2
12AT7 rectifier tube x 2
WA5 (1st gen) HEADPHONE / SPEAKERS AMPLIFIER
Release Date: 2010 – 2015
6SN7 driver tube x 2
300B power tube x 2
5U4G rectifier tube x 2
WA5-LE (1st gen) HEADPHONE AMPLIFIER
Release Date: 2010 – 2015
6SN7 driver tube x 2
300B power tube x 2
5U4G rectifier tube x 2
WA6 (1st gen) HEADPHONE AMPLIFIER
Release Date: 2008 – 2017
6DE7 driver tube x 2
5U4G rectifier tube x 1
WA6-SE (1st gen) HEADPHONE AMPLIFIER
Release Date: 2008 – 2017
6DE7 driver tube x 2
5U4G rectifier tube x 1
WA7 fireflies (1st gen) HEADPHONE AMPLIFIER / DAC
Release Date: 2012 – 2016
6C45 driver / power tube x 2
Texas Instrument (TI) PCM5102A 32-bit DAC
WA7tp VACUUM TUBE POWER SUPPLY for WA7 fireflies (1st & 2nd gen)
Release Date: 2013 – 2016
12AU7 rectifier tube x 2
WA7D fireflies duo (1st gen) HEADPHONE AMPLIFIER / DAC
Release Date: 2013 – 2016
6C45 driver / power tube x 2
Texas Instrument (TI) PCM5102A 32-bit DAC
WA7 fireflies (2nd gen) HEADPHONE AMPLIFIER / DAC
Release Date: 2016 – 2021
6C45 driver / power tube x 2
ESS Sabre 24-bit DAC
WA33 (1st gen) Standard & Elite Edition HEADPHONE AMPLIFIER / PREAMPLIFIER
Release Date: 2008 – 2025
6C45 driver tube x 4
2A3 power tube x 4
5U4G rectifier tube x 1
WA33 (2nd gen) Standard & Elite Edition True-ribbon and Standard HEADPHONE AMPLIFIER
Release Date: 2025 – Present
6C45 driver tube x 4
2A3 power tube x 4
5U4G rectifier tube x 1
WES (1st gen) ELECTROSTATIC HEADPHONE AMPLIFIER
Release Date: 2011 – 2017
6SL7 driver tube x 4
EL34 power tube x 4,
5AR4 rectifier tube x 2
12AU7 phase inverter tube x 2
GES ELECTROSTATIC HEADPHONE AMPLIFIER
Release Date: 2011 – 2023
12AX7 driver tube x 4
6S4 power tube x 4
3ES (1st gen) Standard & Elite Edition ELECTROSTATIC HEADPHONE AMPLIFIER
Release Date: 2009 – 2025
6SN7 driver tube x 4
300B power tube x 4
5U4G rectifier tube x 1
WA234MONO (1st gen) MONO-BLOCK HEADPHONE / SPEAKERS AMPLIFIER
Release Date: 2012 – 2025
13EM7 driver tube x 1 per amp
2A3 or 300B or 45 power tube x 1 per amp
5U4G rectifier tube x 1 per amp
TUBE mini Balanced HEADPHONE AMPLIFIER / DAC
Release Date: 2023 – Present [LEARN MORE]
POWER BASE for TUBE mini Balanced HEADPHONE AMPLIFIER / DAC
Release Date: 2023 – Present [LEARN MORE]
WEE ELECTROSTATIC HEADPHONE ENERGIZER
Release Date: 2012 – 2023
WDS-1 REFERENCE DAC
Release Date: 2011 – Present
Texas Instrument (TI) PCM5102A 32-bit DAC
AES Balanced input x 1
75 Ohms Coaxial Digital (RCA or BNC) input x 1
Optical TOSLINK input x
WTP-1 CD TRANSPORT
Release Date: 2011 – 2018
Compatible with REDBOOK CDs
75 Ohms Coaxial Digital (RCA or BNC) output x 1
Optical TOSLINK output x