Tube Amps / Music Electronics
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|7/5/2000 11:06 AM|
|Graywater||Re: Distance between 12AX7 tubes|
In industrial and aircraft equipment signal level tubes were often spaced as closely as the socket mounting holes allowed. I love to cram amps into really small enclosures for the humor of it. Small 12v cooling fans robbed from computers really help - just make them easy to replace. For long tube life and reduced heat run your signal tubes at reduced heater voltage/power. The 12AX7s will run well at 5.5v (of course, test them in your circuit), last longer, and put off much less heat.
Bruce Me too.. I've seen old Narco, other... -- 7/6/2000 3:10 AM