clay
New Member
Posts: 11
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Post by clay on Aug 11, 2006 9:58:19 GMT -7
Hello, I'm new to this forum and have a couple of questions about my SRZ-65 RC combo. The amp was made in '95. It has 2 Celestion G12H30s and killer red tolex. I'll try and get pics. I just retubed it with JJ E34Ls and JJ ECC83s. I biased it at 38 mA, with plate voltage at 440. I'm thinking this was too hot because at a gig last night there was NO headroom at all with the master full up. I noted in a previous post that the Sovtek 12AX7WA has about a third the output of the ECC83S. These were the preamp tubes that were in when I got it, and I'm thinking about going back to them. Any advice on bias / tube suggestions appreciated.
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Post by myles on Aug 11, 2006 10:18:09 GMT -7
Your bias is proper, you may have an unbalanced output set or a weak phase inverter.
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