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Old 1st September 2009, 12:27 PM   #1
piero7 is offline piero7  Italy
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Default GU29 damaged

I just received a pair of GU29 for my ampli, and... give a look to the photo

It's chernobyl!!!

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Old 1st September 2009, 01:09 PM   #2
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Although a little worried there.... that looks pretty sweet, you have to admit
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Old 1st September 2009, 01:45 PM   #3
Cobra2 is offline Cobra2  Norway
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Tried to adjust bias?

Arne K
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Old 1st September 2009, 02:31 PM   #4
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I'm guessing bias has nothing to do with it. It looks like contaminated vacuum. I'd shut it off before a transformer gets damaged.
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Old 1st September 2009, 02:34 PM   #5
piero7 is offline piero7  Italy
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Quote:
Originally Posted by Ty_Bower View Post
I'm guessing bias has nothing to do with it. It looks like contaminated vacuum. I'd shut it off before a transformer gets damaged.
Yup! It was like desert storm on bagdad in my appartment with this tube!
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Old 1st September 2009, 03:23 PM   #6
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So what do you think of those TechTubes? Seems to be very little interest over here about them.
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Old 1st September 2009, 04:58 PM   #7
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A bit off-topic, but where you got sockets and top connectors for these tubes?
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Old 1st September 2009, 05:40 PM   #8
piero7 is offline piero7  Italy
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Quote:
Originally Posted by LinuksGuru View Post
A bit off-topic, but where you got sockets and top connectors for these tubes?
The ampli is the Audioromy FU29 from china, not a self made ampli. Anyway, sockets an connectors are available on ebay
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Old 1st September 2009, 05:44 PM   #9
piero7 is offline piero7  Italy
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Quote:
Originally Posted by whitelabrat View Post
So what do you think of those TechTubes? Seems to be very little interest over here about them.
Good tube and low cost (one russian GU29 5 euros). I also have the QQE030/20 NOS from Germany ITT to test (7,5 euro). 30 watt for very good sound.

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Old 1st September 2009, 07:15 PM   #10
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I've seen that enought times to know it's an extremely gassy tube that is way beyond redemption. I would try for a replacement from the seller. Send them that picture.
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