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Woo Audio WA22 Owner's Manual

Manual is about: Fully Balanced Class-A Stereo Headphone Amplifier

Summary of WA22

  • Page 1

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 1 woo audio wa22 fully balanced class-a stereo headphone amplifier owner’s manual please review this manual before operating your woo audio™ product..

  • Page 2: Important Safety Information

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 2 important safety information caution: these amplifiers are shipped without the vacuum tubes installed. It is necessary to install the tubes first. The tubes must be installed correctly or serious damage that is no...

  • Page 3: Table of Contents

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 3 table of contents important safety information 2 table of contents 3 overview 4 quick installation 5 operation 9 compatible tubes 11 faq - frequently asked questions 12 warranty and service 13 reviews 14 product s...

  • Page 4: Overview

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 4 overview thank you for choosing a woo audio product. The wa22 is a finely hand-crafted amplifier that delivers uncompromised performance and superior listening experience. Point-to-point wiring true balanced topol...

  • Page 5: Quick Installation

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 5 quick installation what’s in the box? ① wa22 amplifier ② one matched pair of 6080 power tubes ③ one 5u4g rectifier tube ④ one matched pair of 6sn7 driver tubes the actual tubes may look different. Compatible tubes...

  • Page 6

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 6 installing the tubes: note: avoid oil or smudge on the tube glass; clean hands before installation. 1. Find the correct tube for the socket. There is a label below each tube socket that indicates a standard tube f...

  • Page 7

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 7 4. Check installation. The tube pins should be inserted fully into the tube socket receptacles. Selecting ac voltage: warning: failure to select the correct voltage will result in damage of the amp. Installing the...

  • Page 8

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 8 replacing the fuse when needed: the fuse is located on the same unit of the ac inlet. Back panel diagram: ① ac inlet with fuse box ② voltage selection switch ③ rca connectors ④ xlr connectors ⑤ rca, xlr selector i...

  • Page 9: Operation

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 9 operation do not o turn on the amp before properly installing all tubes. O use tubes that are not approved by woo audio. O turn on the equipment without checking the correct ac voltage setting. O remove any tubes ...

  • Page 10: Turning The Amplifier On:

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 10 turning the amplifier on: 1. Turn the volume knob ① to the lowest position. 2. Insert a headphone into either ② , or ③ , or ④ output . 3. Turn the power switch knob ⑤ from off to hi or off to lo position. Then, t...

  • Page 11: Compatible Tubes

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 11 compatible tubes model# adapter note power 6080* no 421a no greater power. Western electric branded. 5998 no greater power. 6as7 no 6h13c no 6n5p no 7236 no greater power. 2399 no 6520 no driver 6sn7 * /gt /wgt n...

  • Page 12

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 12 faq - frequently asked questions can i plug in 2 or more headphones at the same time? Yes, there is no harm to the amp. However, sound quality may be degraded. Do i have to use the correct impedance setting for m...

  • Page 13: Warranty and Service

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 13 warranty and service woo audio warrants this product free from defects in materials and workmanship for 1 year from the original date of purchase. The tubes are warranted for 30 days unless otherwise stated. In t...

  • Page 14: Reviews

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 14 reviews “it is transparent, particularly in that you don’t notice any treble veiling or grit as you do with some lesser headphone amps. Bass is solid, well defined and can be very deep with the right headphones. ...

  • Page 15: Product Specification

    ©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.0. June 9, 2011. 15 product specification model: wa22 headphones impedance: 8-600 ohms input impedance: 100 kilo-ohms frequency response: 8 hz - 50 khz, -3db power output: 1500mw @32 Ω 1500mw @60 Ω 1600mw @120 Ω 1100mw @300 Ω 700mw ...