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Philco 37-690
#48

Ron

Here's my thoughts:

1. No, zeners, even if theoretically possible, will bot buy you ANYTHING. Reason - think of it, you conducting the same currents (as some of these are used as cathode loads) at the same voltage drops. Hence same powers. Unless separating "voltage" generators from "current conductors" ... then maybe but it will be an involved effort. And resistors are inherently better at handling heat than semionductors.

2. Who's afraid of big bad heat.
If by touching this chassis you do not immediately sustain bad burn and simply feel very uncomfy, this means your temp is quite within normal and below incendiary point.
The chasss can take it, the lytics are on top and the air is below 105C.
And uing the cassis (a big massive metal piece) as a heatspreader is in fact good.

Unless you see things being 150C and up....I would not worry too much.


Messages In This Thread
Philco 37-690 - by Ron Ramirez - 05-30-2014, 07:22 PM
RE: Philco 37-690 - by morzh - 05-30-2014, 07:31 PM
RE: Philco 37-690 - by Eliot Ness - 05-30-2014, 07:42 PM
RE: Philco 37-690 - by morzh - 05-30-2014, 08:16 PM
RE: Philco 37-690 - by Ron Ramirez - 05-30-2014, 08:29 PM
RE: Philco 37-690 - by Eliot Ness - 05-30-2014, 08:41 PM
RE: Philco 37-690 - by morzh - 05-30-2014, 09:49 PM
RE: Philco 37-690 - by Arran - 05-31-2014, 01:10 AM
RE: Philco 37-690 - by Eliot Ness - 05-31-2014, 07:14 AM
RE: Philco 37-690 - by Joeztech - 06-01-2014, 07:58 PM
RE: Philco 37-690 - by Ron Ramirez - 06-02-2014, 04:32 AM
RE: Philco 37-690 - by Phlogiston - 06-02-2014, 08:45 AM
RE: Philco 37-690 - by Ron Ramirez - 06-02-2014, 08:53 AM
RE: Philco 37-690 - by Phlogiston - 06-02-2014, 11:04 AM
RE: Philco 37-690 - by morzh - 06-02-2014, 11:28 AM
RE: Philco 37-690 - by Phlogiston - 06-02-2014, 11:34 AM
RE: Philco 37-690 - by bfrohwein - 06-02-2014, 12:03 PM
RE: Philco 37-690 - by Phlogiston - 06-02-2014, 01:09 PM
RE: Philco 37-690 - by Ron Ramirez - 06-02-2014, 04:21 PM
RE: Philco 37-690 - by Phlogiston - 06-02-2014, 08:03 PM
RE: Philco 37-690 - by bfrohwein - 06-02-2014, 11:14 PM
RE: Philco 37-690 - by Eliot Ness - 06-03-2014, 08:10 AM
RE: Philco 37-690 - by Ron Ramirez - 06-13-2014, 07:11 AM
RE: Philco 37-690 - by y2kbruce - 06-13-2014, 02:09 PM
RE: Philco 37-690 - by morzh - 06-13-2014, 02:10 PM
RE: Philco 37-690 - by Ron Ramirez - 06-13-2014, 02:59 PM
RE: Philco 37-690 - by Ron Ramirez - 07-01-2014, 08:28 PM
RE: Philco 37-690 - by Arran - 07-01-2014, 10:44 PM
RE: Philco 37-690 - by Ron Ramirez - 07-02-2014, 04:31 AM
RE: Philco 37-690 - by jerryhawthorne - 07-02-2014, 02:37 PM
RE: Philco 37-690 - by Ron Ramirez - 07-03-2014, 09:58 PM
RE: Philco 37-690 - by morzh - 07-03-2014, 10:19 PM
RE: Philco 37-690 - by Ron Ramirez - 07-04-2014, 10:45 AM
RE: Philco 37-690 - by morzh - 07-04-2014, 11:40 AM
RE: Philco 37-690 - by Ron Ramirez - 07-05-2014, 06:29 AM
RE: Philco 37-690 - by morzh - 07-05-2014, 08:40 AM
RE: Philco 37-690 - by Ron Ramirez - 07-17-2014, 07:55 PM
RE: Philco 37-690 - by Mondial - 07-17-2014, 08:56 PM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 04:51 AM
RE: Philco 37-690 - by Mondial - 07-18-2014, 05:43 AM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 06:26 AM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 06:30 AM
RE: Philco 37-690 - by Mondial - 07-18-2014, 07:02 AM
RE: Philco 37-690 - by morzh - 07-18-2014, 08:10 AM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 09:00 AM
RE: Philco 37-690 - by Phlogiston - 07-18-2014, 09:01 AM
RE: Philco 37-690 - by Mondial - 07-18-2014, 02:12 PM
RE: Philco 37-690 - by morzh - 07-18-2014, 03:03 PM
RE: Philco 37-690 - by y2kbruce - 07-18-2014, 04:37 PM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 04:48 PM
RE: Philco 37-690 - by morzh - 07-18-2014, 05:33 PM
RE: Philco 37-690 - by Ron Ramirez - 07-18-2014, 06:21 PM
RE: Philco 37-690 - by Ron Ramirez - 07-20-2014, 08:16 PM
RE: Philco 37-690 - by Ron Ramirez - 07-21-2014, 06:21 PM



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