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Model 650 Tone Control Question
Ron Ramirez
Silent Key
*****
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#53

07-09-2023, 11:28 AM
It shows plate impedance @ 400 Hz.

Please download and read the spreadsheet for more info. It does not go into further details such as equipment used for measuring, etc. You would have to ask a dead Philco engineer those questions...and dead men tell no tales.
--
Ron Ramirez
Ferdinand IN
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Messages In This Thread
Model 650 Tone Control Question - by Hamilton - 06-27-2023, 10:45 AM
RE: Model 650 Tone Control Question - by morzh - 06-27-2023, 12:11 PM
RE: Model 650 Tone Control Question - by Hamilton - 06-27-2023, 05:49 PM
RE: Model 650 Tone Control Question - by morzh - 06-27-2023, 07:26 PM
RE: Model 650 Tone Control Question - by Hamilton - 06-29-2023, 08:03 AM
RE: Model 650 Tone Control Question - by RodB - 06-29-2023, 09:09 AM
RE: Model 650 Tone Control Question - by Chas - 06-29-2023, 10:26 AM
RE: Model 650 Tone Control Question - by morzh - 06-29-2023, 10:57 AM
RE: Model 650 Tone Control Question - by Hamilton - 06-29-2023, 11:46 AM
RE: Model 650 Tone Control Question - by RodB - 06-30-2023, 08:31 AM
RE: Model 650 Tone Control Question - by Hamilton - 06-30-2023, 11:45 AM
RE: Model 650 Tone Control Question - by Hamilton - 06-30-2023, 02:07 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 06-30-2023, 05:22 PM
RE: Model 650 Tone Control Question - by Hamilton - 06-30-2023, 07:57 PM
RE: Model 650 Tone Control Question - by Hamilton - 06-30-2023, 08:13 PM
Hamilton - by Hamilton - 07-03-2023, 10:13 AM
RE: Model 650 Tone Control Question - by Hamilton - 07-03-2023, 12:10 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-03-2023, 11:25 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-04-2023, 12:40 AM
462ron - by 462ron - 07-04-2023, 08:56 AM
Hamilton - by Hamilton - 07-04-2023, 09:54 AM
462ron - by 462ron - 07-04-2023, 10:06 AM
RE: Model 650 Tone Control Question - by Hamilton - 07-04-2023, 03:13 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-04-2023, 04:26 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-04-2023, 04:38 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-06-2023, 08:11 AM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-06-2023, 11:40 AM
RE: Model 650 Tone Control Question - by Hamilton - 07-07-2023, 07:48 AM
RE: Model 650 Tone Control Question - by Hamilton - 07-07-2023, 02:59 PM
RE: Model 650 Tone Control Question - by RodB - 07-07-2023, 03:11 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-07-2023, 09:23 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-08-2023, 09:30 AM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-08-2023, 12:07 PM
RE: Model 650 Tone Control Question - by morzh - 07-08-2023, 05:32 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-09-2023, 06:15 AM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-09-2023, 07:55 AM
RE: Model 650 Tone Control Question - by Ron Ramirez - 07-09-2023, 11:28 AM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-10-2023, 04:39 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-11-2023, 09:10 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-12-2023, 07:50 AM
RE: Model 650 Tone Control Question - by Hamilton - 07-12-2023, 12:20 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-12-2023, 05:58 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-12-2023, 06:46 PM
RE: Model 650 Tone Control Question - by Hamilton - 07-12-2023, 06:49 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-13-2023, 04:13 PM
RE: Model 650 Tone Control Question - by Arran - 07-13-2023, 04:39 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-13-2023, 05:13 PM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-14-2023, 06:05 AM
RE: Model 650 Tone Control Question - by MrFixr55 - 07-14-2023, 06:25 AM



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  1. The PHILCO Phorum
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