I just bought another console

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I just bought another console

Arran
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Posts: 4,896
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#21

03-09-2014, 02:22 AM

Rogers/Deforest Crosley/Majestic liked to use two types during their octal tube era, a 6R7M and a 75M, the electrical specs for a 75M are the same as they are for a type #75, which is what the 6Q7 was based around. The 6R7M is the same as a 6R7/6R7G/6R7GT. Some sets used a 6J5M (spray shielded 6J5/6J5G/6J5GT and an 84M. An 84M, in spite of it's number is a spray shielded 6H6G or 6H6GT, not a rectifier tube. In any event Just Radios has an interchange guide for Rogers types that lists a 6Q7 as a sub for a 75M, also a 6B6M, I'm also sure that I saw a metal 6Q7 used in place of a 75M in at least one set I worked on.
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Arran

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I just bought another console - by Dan Walker - 03-04-2014, 11:15 AM

RE: I just bought another console - by hsusmann - 03-04-2014, 12:00 PM

RE: I just bought another console - by TA Forbes - 03-04-2014, 01:20 PM

RE: I just bought another console - by Dan Walker - 03-04-2014, 01:35 PM

RE: I just bought another console - by TA Forbes - 03-04-2014, 01:39 PM

RE: I just bought another console - by PhilcoJohn - 03-05-2014, 09:02 AM

RE: I just bought another console - by SteveJB - 03-05-2014, 09:35 PM

RE: I just bought another console - by Dan Walker - 03-05-2014, 10:30 PM

RE: I just bought another console - by morzh - 03-05-2014, 10:35 PM

RE: I just bought another console - by Dan Walker - 03-05-2014, 10:43 PM

RE: I just bought another console - by Section10 - 03-06-2014, 07:27 PM

RE: I just bought another console - by gregb - 03-06-2014, 07:48 PM

RE: I just bought another console - by Dan Walker - 03-06-2014, 09:49 PM

RE: I just bought another console - by gregb - 03-06-2014, 10:51 PM

RE: I just bought another console - by Arran - 03-06-2014, 10:59 PM

RE: I just bought another console - by Dan Walker - 03-07-2014, 12:41 AM

RE: I just bought another console - by gregb - 03-07-2014, 12:53 AM

RE: I just bought another console - by Dan Walker - 03-07-2014, 12:57 AM

RE: I just bought another console - by Arran - 03-07-2014, 05:01 AM

RE: I just bought another console - by gregb - 03-07-2014, 10:35 AM

RE: I just bought another console - by Arran - 03-09-2014, 02:22 AM

RE: I just bought another console - by Dan Walker - 03-09-2014, 10:31 AM

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