nomis Posted October 6, 2014 Share Posted October 6, 2014 Hi guys, Wondered if i can get a little bit of advice. MY orange ad200 keeps blowing both output valve fuses. When the amp is on it plays fine for about 15 mins then tubes 3 and 4 start to glow really intensely and then 'pop' both fuses go! Does this just mean that it needs re-valving or is there likely to be another problem that is causing the protection fuses to go? Im going to take it to a repair dude but thought i would ask before i do! Quote Link to comment Share on other sites More sharing options...
6v6 Posted October 6, 2014 Share Posted October 6, 2014 Either needs new power tubes or there's a fault with the bias circuit (latter can be related to the former). Really, you want to get it checked out by a competent tech, as he'll be able to ensure the bias circuit is operating correctly, as if it's not you may just cook any new tubes very quickly and/or cause additional damage. Quote Link to comment Share on other sites More sharing options...
Jimelliottbassist Posted October 9, 2014 Share Posted October 9, 2014 (edited) Orange do a collection service. I used it when they revalved my ad200. Techs are really good. Edited October 9, 2014 by Jimelliottbassist Quote Link to comment Share on other sites More sharing options...
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