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Philco 38-2 Low Volume
#28

I agree with Rod, that the volume trouble is probably elsewhere.

One has to be careful with diode sub: you will have two processes that increase the voltage: 1) diodes have almost no voltage loss, so your rectified voltage will rise (and quickly so, so you might have quite a bit of inrush current, if turned on at the peak), 2) also due to the fast rise, your other tubes do not come on-line as loads, and so the voltage for a few seconds will not create any load current and stay at its peak.
If your capacitors are not 500V WV, you will be over-stressing them.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.


Messages In This Thread
Philco 38-2 Low Volume - by dconant - 11-09-2024, 02:27 PM
RE: Philco 38-2 Low Volume - by morzh - 11-09-2024, 03:15 PM
RE: Philco 38-2 Low Volume - by MrFixr55 - 11-09-2024, 10:27 PM
RE: Philco 38-2 Low Volume - by RodB - 11-10-2024, 11:44 AM
RE: Philco 38-2 Low Volume - by dconant - 11-10-2024, 01:23 PM
RE: Philco 38-2 Low Volume - by dconant - 11-10-2024, 02:39 PM
RE: Philco 38-2 Low Volume - by morzh - 11-10-2024, 03:25 PM
RE: Philco 38-2 Low Volume - by MrFixr55 - 11-10-2024, 06:31 PM
RE: Philco 38-2 Low Volume - by RodB - 11-10-2024, 06:52 PM
RE: Philco 38-2 Low Volume - by morzh - 11-10-2024, 07:16 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 12:05 PM
RE: Philco 38-2 Low Volume - by RodB - 11-11-2024, 01:17 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 02:06 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 02:14 PM
RE: Philco 38-2 Low Volume - by RodB - 11-11-2024, 02:36 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 03:50 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 04:58 PM
RE: Philco 38-2 Low Volume - by RodB - 11-11-2024, 05:20 PM
RE: Philco 38-2 Low Volume - by RodB - 11-11-2024, 05:38 PM
RE: Philco 38-2 Low Volume - by dconant - 11-11-2024, 06:23 PM
RE: Philco 38-2 Low Volume - by RodB - 11-11-2024, 11:15 PM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 08:51 AM
RE: Philco 38-2 Low Volume - by RodB - Yesterday, 10:53 AM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 11:02 AM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 11:16 AM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 11:22 AM
RE: Philco 38-2 Low Volume - by RodB - Yesterday, 11:43 AM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 11:52 AM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 11:57 AM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 12:02 PM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 12:08 PM
RE: Philco 38-2 Low Volume - by MrFixr55 - Yesterday, 12:27 PM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 12:42 PM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 02:07 PM
RE: Philco 38-2 Low Volume - by morzh - Yesterday, 02:25 PM
RE: Philco 38-2 Low Volume - by dconant - Yesterday, 02:57 PM



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