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AUDIO FORUMS >> General Discussion and Support >> Blown rectifier?
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Message started by laurence on 08/30/18 at 15:57:39

Title: Blown rectifier?
Post by laurence on 08/30/18 at 15:57:39

Hi there. I am not sure if my zen triode rectifier has blown . After a week or so I just turned it on and there was a big flash and then nothing. No tubes lit at all. Managed to find spare fuse. Original fuse had blown.Should I just try again with new fuse or should I replace rectifier first? Apologies if this may have been asked before but I could not find anything. Cheers and thankyou .

Title: Re: Blown rectifier?
Post by Acetone on 08/30/18 at 16:18:05

Turn it on without rectifier in it. If everything lights up then, yes, it was likely your rectifier.

Title: Re: Blown rectifier?
Post by laurence on 08/31/18 at 18:43:00

Yep. Did that and the other tubes light up. Guess it is time for a new rectifier.

Title: Re: Blown rectifier?
Post by Geno on 09/01/18 at 01:13:49

If a new rectifier doesn’t fix the problem, there are 3 internal fuses. I just went thru this with my Zen. One of those fuses was blown.

Title: Re: Blown rectifier?
Post by laurence on 09/01/18 at 14:21:25

Just want to check before putting a new rectifier in. I put the blown one in again and it did the same. It arced and blew the fuse. Does this mean the rectifier might be ok and something else might be at fault! Or do blown rectifiers keep blowing?

Title: Re: Blown rectifier?
Post by Geno on 09/01/18 at 14:48:43

Try another rectifier. If it doesn't work, then it is prolly an internal fuse.

Title: Re: Blown rectifier?
Post by laurence on 09/09/18 at 20:06:58

Thanks guys. Yes it was the rectifier. I ordered a cheap electroharninix rectifier just in case it blew. But it works quite fine. It actually sounds quite good for the £11 it cost me. I intend to splash out on a decent rectifier ( thinking mullard gz32 and keep the eh as a spare.

Title: Re: Blown rectifier?
Post by Acetone on 09/10/18 at 17:07:01

Geno, Mullard GZ32 is a good one! One of my faves.