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Philco 37-690
#37

Okay!

After stopping for a planned three day excursion into Ohio last weekend, during which time I attended my first ever Midwest Audiofest at Parts Express in Springboro, my thoughts are turning back to buttoning up this 37-690 and getting it ready to go home to its new owner.

I am just not comfortable with the amount of heat generated by the 3K and 2.2K chassis mounting resistors. They make that portion of the chassis get really hot...way too hot to keep my hand on...and a lot of components are in that area including output tube sockets, the special sockets for the cables going up to the upper chassis, and the speaker cabling. Plus, both power transformers are close by.

I have made an executive decision to replace the chassis mount resistors I installed (3K & 2.2K) with ceramic resistors that mount on the chassis but do not use the chassis as a heat sink.

I will also mount them away from the mass of components where the original Candohm was, and where the chassis mount replacements currently are.

I'll get the parts ordered this weekend.

--
Ron Ramirez
Ferdinand IN


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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