gibosi
Headphoneus Supremus
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- Oct 18, 2012
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Question on a certain rectifier. This page lists a GZ34 5690 RCA, but I can't find anywhere else which says this tube is a GZ34 which I know would work in my GlennOTL.
Was able to find this page on the 5690, and another on the GZ34 and even with my very limited understanding of tubes, looks like the specs are very different.
I don't want to try the 5690 if there's any chance of damaging the amp or other installed tubes, but I actually bought it based on the GZ34 description and it literally being the first thing in the ad. Can't get any info from the seller. Anyone know anything about using this 5690 tube? Thanks!
You are wise to hesitate.
Note that the heater voltage, Vf, is 12.6 Volts. The GZ34 is 5 volts. And except for the 3DG4, the only rectifiers you can use in your GOTL, without a special adapter, are 5 volt rectifiers. So the 5690 cannot be used in your GOTL.
And also note, from this example, vendors' descriptions cannot be trusted.