Replacing Output Tubes in AD200B

[alexisonfire]

Ello,

After a couple hours of playing the output fuses blew on my AD200b, I rang orange and they're sending out some new output valves for me to fit as they said it would be easy.

Wouldn't I have to bias the amp though? There is no way I'd attempt to do that myself, I'm the kind of person that would manage to electrocute myself changing a light bulb!

The only reason I can think as to why I wouldn't need to bias the amp is because the amps brand new and the valves will be the same?

Opinions please people.

Thanks.

Edited January 24, 2010 by alexisonfire

[Mr. Foxen]

It should be about right plugged right in. You have to be quite far out before it causes real trouble. Better to get is biased properly and looked over, those fuses will have blown for a reason.

[alexisonfire]

Would I be better off taking it back to the shop?

[Mr. Foxen]

[quote name='alexisonfire' post='723314' date='Jan 24 2010, 05:25 PM']Would I be better off taking it back to the shop?[/quote]

Probably, if it keeps going wrong, you don't want them to accuse you of having fiddled with it.

[alexisonfire]

Doh! I kind of wish it's a shuttle or lm2 right now, my cars broken and it looks like Im gonna have to take it on the train