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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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I picked up some amperex 12ax7a tubes yesterday and when i turnted them on there was a bright flash that then faded to a very dim glow, they where replacing procom tubes that don't have the starting flash and glow much brighter doring normal operation. Is this a normal with these tubes. I thought the tubes had blown when i first durned them on, but i decided to leave them on for a side because they where a definate improvement. Thought i'd ask if this flash was normal before i risked doing any more damage. Thanks in advance for any info
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Topic - 12ax7a flashes when turned on - mes7800 15:40:22 08/11/02 (10)
- Re: 12ax7a flashes when turned on - goldnear 00:22:33 08/12/02 (0)
- This is almost a FAQ item... - mb-de 16:01:43 08/11/02 (6)
- Cold Tube turn on ? - Terry Koehn 23:35:25 08/11/02 (5)
- Re: Cold Tube turn on ? - Uncle Ned 21:12:01 08/12/02 (0)
- Re: Cold Tube turn on ? - Chris Spafford 07:45:24 08/12/02 (0)
- Telefunken statistics published in the 1960ies say... - mb 02:05:45 08/12/02 (2)
- Oops - should have been mb-de - mb-de 09:45:10 08/13/02 (0)
- Re: Telefunken statistics published in the 1960ies say... - Pär 03:26:02 08/12/02 (0)
- Re: 12ax7a flashes when turned on - Chris Spafford 15:55:12 08/11/02 (1)
- One tidbit.... - steven oda 16:12:09 08/11/02 (0)
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