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Need help from other George Wright amp owners -

I just purchased a set of AU 70 amps and have one simple question. Under the binding posts are jumpers that allow for 4, 8 and 16 ohm settings? At least I think so as they are not marked. Can someone confirm?

Ok, now which setting is which as they are not marked. There are 4 screws lined up side by side in a row. I can connect 1 and 2 or 2 and 3 or 3 and 4.
Not sure in looking from the back which is 4,8, or 16 ohm? The screws are not marked and I just mention 1,2 etc for clarity.

Can someone help me.

Thanks much
128x128grannyring
grannyring's avatar
grannyring OP
6,479 posts
 
I was supplied the answer to my question above and now realize I have no idea on how to bias this amp? If anyone has an owner's manual for the AU70 or AU30 and could email or mail me a copy, I would be most appreciative. I searched all over the net and found nothing. Thanks.
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grannyring OP
6,479 posts
 
Got my manual and answers so all set now.
kwsharp
2 posts
 
Grannyring,

Any chance you could share your source? I am looking for manual and schematics for the Wright WPL20.

Thanks in advance,
-Ken Sharp
grannyring's avatar
grannyring OP
6,479 posts
 
Roger Hug is the man that works on all Wright Sound gear and he may have a manual and can certainly repair. Here is his email. He will not have schematic. He is an expert on tube gear.

rogerhug@earthlink.net
kwsharp
2 posts
 
Thanks Grannyring.
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