jesse
New Member
Posts: 34
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Post by jesse on Sept 25, 2009 12:12:00 GMT -7
A question of idle curiosity - When I bought my RxES I believe the manual and the website talked about the fact that the EL-84s were biased such that you didn't need a matched quartet. You could use two pairs of matched tubes, instead. I think they called this "split cathode" biasing or similar. Now the site makes no mention of this. I was wondering if the design of the amp had changed, or if Z just decided this wasn't really a salient marketing point? Or were people getting confused? I know I made the mistake of thinking I could pull two tubes to get half power like on a class AB Fender. I didn't actually do this for more than a few seconds (wanted to check with the experts first) and the experts told me to quit. I guess my other theory was that perhaps the problem of the rectifier tubes failing in a bunch of RxESes (happened about 2.5 years ago?) could have been linked to that bias design? That's total conjecture on my part, though. The logic at the time was that it was just a bad batch of 5AR4s. Anyone know the score, here? Jesse
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Post by rcrecelius on Sept 27, 2009 6:09:19 GMT -7
I remember the Mazerati having that in its description but not the RXeS...but my memory aint what it used to be
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