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Single Ended Triodes (SETs), the ultimate tube lovers dream.

Re: 300B and Lowthers - bad popping sound!

82.36.24.243

Thanks all for the advice. Turns out it definitely was a bad tube. Soon after posting I turned the amp on to change over the tubes and a minute after there was a loud bang and a flash from inside the amp followed by a very nasty burning smell / smoke leaking from the amp. One of the tubes had gone completely.

Next thing is to find a good engineer to take a look and see if it's terminal or not. Sadly I suspect it is. In retrospect wish I'd exercised more caution but at least I won't make the same mistake twice!


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