Woo Audio WES User Manual

Fully balanced class-a stereo headphone amplifier

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WOO AUDIO WES
Electrostatic Amplifier
Fully Balanced Class-A Stereo Headphone Amplifier
Owner's Manual
Please review this manual before operating your WOO AUDIO™ product.
tm
©2011 WOO AUDIO
 Inc. All rights reserved. 
www.wooaudio.com 
Rev 1.0. June 10, 2011. 
 

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Summary of Contents for Woo Audio WES

  • Page 1 WOO AUDIO WES Electrostatic Amplifier Fully Balanced Class-A Stereo Headphone Amplifier Owner’s Manual Please review this manual before operating your WOO AUDIO™ product. ©2011 WOO AUDIO  Inc. All rights reserved.  www.wooaudio.com  Rev 1.0. June 10, 2011.  1   ...
  • Page 2: Important Safety Information

    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.
  • Page 3: Table Of Contents

    Table of Contents IMPORTANT SAFETY INFORMATION TABLE OF CONTENTS OVERVIEW QUICK INSTALLATION OPERATION COMPATIBLE TUBES FAQ - FREQUENTLY ASKED QUESTIONS WARRANTY AND SERVICE REVIEWS PRODUCT SPECIFICATION   ©2011 WOO AUDIO  Inc. All rights reserved.  www.wooaudio.com  Rev 1.0. June 10, 2011.  3   ...
  • Page 4: Overview

    Overview Thank you for choosing a Woo Audio product. The WES is finely hand-crafted amplifier that delivers uncompromised performance and superior listening experience.  Point-to-Point Wiring  Four EL34 power tubes  Four 6SL7 drive tubes  Two 5AR4 rectifier tube. Direct substitute: 5U4GB ...
  • Page 5: Quick Installation

    Quick Installation What’s in the box? ① WES Amplifier unit (AMP) AMP accessories and tubes diagram: ② Aluminum Phase splitter tube shields, 2 units ©2011 WOO AUDIO  Inc. All rights reserved.  www.wooaudio.com  Rev 1.0. June 10, 2011.  5   ...
  • Page 6  Compatible tubes may be included instead of the ones illustrated above.  Power cord and interconnection cable are not included. PSU accessories diagram ⑭ WES Power Supply unit (PSU)  ⑮ Aluminum Cone feet dish with rubber pad, 4 units ⑯ Aluminum Cone feet, 4 units ⑰ Aluminum Panel screw, 2 units ⑱ Aluminum Panel screw filler, 2 units...
  • Page 7: Installing The Tubes

    Installing the feet and plates: Put the Carefully AMP and place the PSU upside AMP on down on a the PSU soft and Place the dish under the Place the dish on PSU clean feet Screw all cone feet surface into threaded holes Installing the tubes: Install these tubes on the AMP unit: 6SL7, EL34, 12AU7 (optional).
  • Page 8   Do not insert a tube at an Insert a tube perpendicular to Hold base firmly. angle the socket. 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.
  • Page 9: Back Panel Diagram

    Back panel diagram:             ① DC input connector ② Phase splitter tube sockets ③ RCA connectors ④ XLR connectors ⑤ AC input connector ⑥ AC voltage switch ⑦ DC output connector Installing the DC cord: NOTE: Both ends of the cord have the same plug. The plug can be inserted into either the input or the output.
  • Page 10     Slightly push the plug inward Turn the ring clockwise until you hear a click sound Installing the source input: Plug the RCA interconnection cable into the RCA connectors; see ③ in the above diagram. Or, plug the XLR interconnection cable into the XLR connectors; see ④ in the below diagram. Installing the phase splitter tube shield: NOTE: This installation is optional if you do not use the RCA input.
  • Page 11: 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.
  • Page 12: Front Panel Diagram

    Front panel diagram: ① Source input selector. ② Stax 5-pin PRO bias headphone output ③ Sennheiser HE-90 headphone output ④ Volume control ⑤ Stand-by power switch ⑥ Power switch  ⑦ Stand-by LED indicator ⑧ Power LED indicator Turning off the amplifier: Both power switches ⑤⑥ must be turned off. You can turn off the power switch in any order.
  • Page 13: Compatible Tubes

    Compatible Tubes    Model  Adapter Note  6SL7   No      6188/6SU7  No   Tungsol branded only  12AX7  Yes  A 9‐pin to 8‐pin adapter is needed.  CV1985  No      ECC35  No      VT229  No      EL34   No      6CA7  No      KT88  No      5AR4  No   Indirectly Heated  5Z4  No   Indirectly Heated  GZ30  No  ...
  • Page 14: Faq - Frequently Asked Questions

    FAQ - Frequently Asked Questions There is abnormal sound right after turning on the amplifier. This is normal from a cold start as the tubes are warming up to get into the proper working state. The noise will disappear gradually. Can I change headphone while the amplifier is on? Yes, but you must first minimize the volume.
  • Page 15: Warranty And Service

    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.
  • Page 16: Reviews

    – Home Entertainment “I don't mean to sound overly dramatic, but the WES is one of those break through products that leaves you wondering about the future of high-end audio.” – Positive Feedback, issue 54 “In my 60 years as an audiophile, never have I experienced a more complete and...
  • Page 17: Product Specification

    4.5”(H), 16.5”(W), 12”(D) AMP: 7.5”(H), 16.5”(W), 12”(D) (with tube guard) Weight (AMP + PSU): 40 pounds or 18.2 kg Woo Audio is committed to continuously improve its products. We reserve the right to improve the design without notice. ©2011 WOO AUDIO  Inc. All rights reserved.  www.wooaudio.com ...

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