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I am the happy owner of a wavelength audio Sine V2 preamp. It runs two 5687 tubes. For fun I purchased a pair of JJ ECC99 tubes. My understanding is that they are a replacement for the 5687. Much to my suprise when I put them in the preamp, the tubes wouldn't even light up. No Power. Nothing. COLD.I put my trusty 5687s back in and all worked perfectly.
Any thoughts?
Richard
By the way,I purchased them from a reputable retailer who is happy to take them back for a full refund so I have no reason to think that I was sold bad tubes.
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Topic - JJ ECC99 - ?Replacement for 5687 in Preamp - krrodman 15:20:51 09/22/04 (3)
- Re: JJ ECC99 - ?Replacement for 5687 in Preamp - Lew 07:11:29 09/23/04 (0)
- Re: JJ ECC99 - ?Replacement for 5687 in Preamp - dhieber 15:38:23 09/22/04 (1)
- what he said, with a but... - Sector-7G 19:01:38 09/22/04 (0)