Important Safety Information CAUTION: These amplifiers are shipped without the vacuum tubes installed. It is necessary to install the tubes first. It is essential that the tubes are 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.
Quick Installation What’s in the box? ①
A mplifier unit ②
P ower
s upply
u nit ③
O ne
m atched
p air
o f
3 00B
t ubes ④
...
Page 6
Installing the 6SN7 and 5U4G 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 for the amplifier. For example, a 6SN7 tube should install on the “6SN7”...
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Selecting AC voltage: WARNING: failure to select the correct voltage will result in damage of the amp. Switch to label “230” for Switch to label “115” for AC210 to 240V voltage. AC100 to 125V voltage. 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.
DO NOT o Turn on the amp before properly installing ALL tubes. o Use tubes that are not supplied or approved by Woo Audio. o Turn on the equipment without checking the correct AC voltage setting. o Remove any tubes or DC cord while the amp is powered ON or in operation Touch tubes (extremely hot) after warm-up.
Front panel diagram: HP (high power) headphone output ① 4-pin XLR ② Multi-functional switch (SPK position is not selectable on WA5-LE) ③
V olume control ④
S ource
i nput
s elector
⑤
¼ ”
s tereo
T RS
( high
p ower)
h eadphone output ⑥
...
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.
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The LED and the tubes do not light. First check if the AC cord is installed. Then, check if the fuse is burnt. See the following instruction on how to replace a fuse. The fuse type is 2-3A, slo-blo. ð ð...
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.
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