©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 1 woo audio wa3 stereo headphone amplifier single-ended otl, class a vacuum tube headphone & pre amplifier owner’s manual please review this manual before operating your woo audio™ product..
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 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 n...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 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 ...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 4 overview thank you for choosing a woo audio product. The wa3 is finely hand-crafted amplifier that delivers uncompromised performance and superior listening experience. Point-to-point wiring one 6as7 / 6080 [pdf]...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 5 quick installation what’s in the box? ① wa3 amplifier ② one matched pair of 6922/e88cc/6dj8 driver tubes ③ one 6080 power tube the actual tubes may look different. Compatible tubes may be included instead of the ...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 6 installing the power 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...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 7 . 4. Check installation. The tube pins should be inserted fully into the tube socket receptacles. Installing driver and rectifier tubes: selecting ac voltage: warning: failure to select the correct voltage will r...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 8 installing the power cord: plug the power cord into the ac inlet. See ① in the below diagram. The ac inlet socket is a standard iec type. You will need to obtain the correct type for your region. Installing the s...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 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...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 10 turning the amplifier on: 1. Turn the volume knob to the lowest position. 2. Insert a headphone into phone jack ①. 3. Press the power switch ③ to a locking position. The led will light. 4. Observe that all tubes...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 11 compatible tubes model adapter comment d ri v e r 6922 * no 6dj8 no 6n1p no 7308 no e188cc no e88cc no e288cc no ecc88 no cca no p o w e r 6080 * no 421a no greater power. Western electric branded. 5998 no great...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 12 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 di...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 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 ...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 14 reviews “for the enjoyment of music, the wa3 sits high in its class and is well constructed to boot.” – shigzeo @touchmyapps.Com “out of the box this is a rewarding and enjoyable auditory experience. The price b...
©2011 woo audio tm inc. All rights reserved. Www.Wooaudio.Com rev 1.1. January, 2013. 15 product specification model: wa3 headphones impedance: 30-600 ohms input impedance: 100 kilo-ohms frequency response: 8 hz - 100 khz, -3db power output: 110mw @32Ω 150mw @60Ω 270mw @120Ω 330mw @300Ω 260mw @600Ω ...
