WOO AUDIO WA6 Single-Ended Class-A Stereo Headphone Amplifier Owner’s Manual Please review this manual before operating your WOO AUDIO™ product. tm June 10, 2011©2011 WOO AUDIO Inc. All rights reserved. www.wooaudio.com Rev 1.0. June 10, 2011.
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 not covered by the warranty will result. Turn off immediately in the event of malfunction Should you notice smoke or an unusual smell coming from the equipments, turn it off immediately. Continued operation could result in injury. Do not disassemble High voltage circuit.
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 SPECIFICATION 15 tm June 10, 2011©2011 WOO AUDIO Inc. All rights reserved. www.wooaudio.com Rev 1.0. June 10, 2011.
Overview Thank you for choosing a Woo Audio product. The WA6 is finely hand-crafted amplifier that delivers uncompromised performance and superior listening experience. Point-to-Point wiring One 5AR4 rectifier tube. Direct substitute: 5U4G Two 6DE7 drive/power tubes Pseudo-dual power supply All tubes. No semi-conductors in the entire circuitry High or low headphone impedance switch One TRS ( ¼") headphone jack 80 watts specially made toroidal power transformer.
Quick Installation What’s in the box? ① WA6 amplifier ② One 5AR4 rectifier tube ③ One matched pair of 6DE7 power tubes The actual tubes may look different. Compatible tubes may be included instead of the ones illustrated above. Power cord and interconnection cable are not included. tm June 10, 2011©2011 WOO AUDIO Inc. All rights reserved. www.wooaudio.com Rev 1.0. June 10, 2011.
Installing the rectifier tube: 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 for the amplifier. For example, a 5AR4 tube should install on the socket labeled “5AR4”. You MUST use the compatible tube or serious damage may occur to the amplifier. See Compatible Tube section for all the approved direct substitute tubes. 2.
. 4. Check installation. The tube pins should be inserted fully into the tube socket receptacles. Installing the driver/power tubes: Bottom of the tube Align the 6DE7 to the socket Insert the tube perpendicular to the socket Use both hands if needed Selecting AC voltage: WARNING: failure to select the correct voltage will result in damage of the amp. Switch to label “115” for AC100 to 125V voltage. tm June 10, 2011©2011 WOO AUDIO Inc. All rights reserved.
Installing the power cord: Plug the power cord into the AC inlet. See ② in the below diagram. The AC inlet socket is a standard IEC type. You will need to obtain the correct type for your region. European U.S. U.K. Installing the source input: Plug the RCA interconnection cable into the RCA connectors ③. Back panel diagram: ①Voltage selection switch ② AC inlet ③ Impedance selector ④ RCA input tm June 10, 2011©2011 WOO AUDIO Inc. All rights reserved. www.wooaudio.com Rev 1.0. June 10, 2011.
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 or the DC cord while the amp is operating o Touch tubes (extremely hot) after warm-up. o Leave the amps running unattended. To use the amps safely, please allow it to cool down for every 8 hours of continuous play time.
Turning the amplifier on: 1. Turn the volume knob to the lowest position. 2. Insert a headphone into headphone output ①. 3. Press the power switch ③ to a locking position. The power LED will light. 4. Observe that all tubes light gradually. 5. Let the tubes warm up for at least 1 minute before turning up the volume.
Rectifier Driver / Power Compatible Tubes Model# Adapter Note 6DE7 * 6CY7 No No WA6‐SE shipped prior April 17, 2010 is not compatible. 6EW7 No 6EM7 Yes A 8‐pin to 9‐pin adapter is needed. 6DR7 No WA6‐SE shipped prior April 17, 2010 is not compatible. 6DN7 Yes A 8‐pin to 9‐pin adapter is needed. 6FD7 No WA6‐SE shipped prior April 17, 2010 is not compatible. 6SN7 Yes For WA6 only. A 8‐pin to 9‐pin adapter is needed. 5692 Yes For WA6 only. A 8‐pin to 9‐pin adapter is needed.
FAQ - Frequently Asked Questions Can I change headphone while the amp is on? Yes, but you must first to turn the volume to the lowest position. Can I flip the impedance switch while the amp is on? Yes, it will not have any negative effect to the amp. No sound is coming out of the headphone. o o o o Check that all tubes are properly installed. Check that the source is properly installed and is working fine. Check that the source switch is on the correct position. Check headphone connection.
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 the event that your Woo Audio product requires servicing, please contact us directly to get a return instruction. If the equipment needs to be shipped back, please use the original packaging and include a copy of the sales purchase along with a detailed explanation of the problem(s).
Reviews "With a creamy, natural sound and tight bass response, along with pro-grade build quality to match, we're sure any serious music lover would enjoy this fabulous piece of audio bliss." - Unplggd Test Lab "WooAudio has one of the prettiest and slickest build quality that you can find in the industry. Everything from the hairline finishing, the lines, the knobs, the transformer housing, all the way to the back panel, you find nothing but top quality workmanship.
Product Specification Model: WA6 Headphones Impedance: 8-600 Ohms Input Impedance: 100 Kilo-Ohms Frequency Response: 20 Hz - 30 KHz, -3dB Power Output: 580mW @32Ω 550mW @60Ω 590mW @120Ω 460mW @300Ω 400mW @600Ω (with 6DR7 tube) Signal/Noise: 93 dB THD: <= 0.3% Voltage: AC 110/220 - 240V, 50/60 Hz, selectable External Dimension, end to end 6" (H) x 5.5 (W) x 13" (D) measurement, same for both units: Weight: 13.5 pounds Woo Audio is committed to continuously improve its products.
