Problem with Overtone Special

erwin_ve
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Re: Problem with Overtone Special

« Reply #15 on: May 19, 2011, 11:13:31 AM »

Quote from: babybear2011 on May 19, 2011, 10:57:04 AM

Thanks Erwin. I hope the tranny isn't damaged, thats all I need. I'm getting the HT fuse tonight to see if it works. I know it's the fuse because when I unscrewed the holder, the fuse fell apart.

As long as the Ht fuse is not replaced you can't bias a amp. Also if you didn't touch the bias pot when the amp got broken, the fault might also be in a failing powertube.


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babybear2011
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Re: Problem with Overtone Special

« Reply #16 on: May 19, 2011, 12:45:48 PM »

As I understand, you live in Holland? I'm in the UK, so it would be a nightmare to send it to you, without the thought of the costs of shipping etc. I know a good tech that would do it for me, but he costs £££'s. I think it may be a power tube, but I'm not too sure. I will however try and bias it again with it fully operating. Thanks Erwin!


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babybear2011
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Re: Problem with Overtone Special

« Reply #17 on: May 19, 2011, 01:18:09 PM »

I can't seem to find any 500ma HT fuses. But I do have 1A ones available. Would these be ok to use?


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T Wilcox
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Re: Problem with Overtone Special

« Reply #18 on: May 19, 2011, 01:45:33 PM »

No never use a fuse rated higher than what is called for Shocked

Or else your amp will just protect the fuse from blowing Wink

Todd


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SoundPerf
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Re: Problem with Overtone Special

« Reply #19 on: May 19, 2011, 06:14:19 PM »

Quote from: babybear2011 on May 19, 2011, 01:18:09 PM

I can't seem to find any 500ma HT fuses. But I do have 1A ones available. Would these be ok to use?

When you say you can't find one, do you mean in your home or from a retailer?

Also, when you say the fuse "fell apart" this sort of makes me wonder if the amp took a hard knock. I would definitely check all the tubes, etc. for damage.


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babybear2011
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Re: Problem with Overtone Special

« Reply #20 on: May 19, 2011, 06:35:05 PM »

Yes, it's all fine now. 500ma fuse is in and the amp is working and sounding fine. There was a microphonic 12AX7 in V1, which made a horrific noise when on the OD channel and PAB engaged, but that's been changed and all working. The tube must have took a knock also somehow. It's not the most sturdy of amps though. I have a Vibrolux Custom which has been going solid without any problems for years.

Saying that, I can now really tell how touch sensitive the amp is, not even by playing a string. When you move around with the guitar lead, you can hear the signal passing through it, it's wicked. The amp really is ALIVE!!! Cheesy


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