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An RCA 140
#18

Doug Houston Wrote:...The 53 became 6A6 (both fat pin), then 6N7G (octal)...
Is there any list of such tube history? I remember that somebody wrote that the 78 was superior to the 6D6 and a direct replacement, and some history on the tubes.

Web site: http://www.masekconsulting.net
Radio Photos: http://www.photobucket.com - album id FStephenMasek


Messages In This Thread
An RCA 140 - by exray - 09-28-2010, 08:41 PM
Re: An RCA 140 - by exray - 09-28-2010, 08:46 PM
Re: An RCA 140 - by Ron Ramirez - 09-28-2010, 08:58 PM
Re: An RCA 140 - by exray - 09-28-2010, 09:37 PM
Re: An RCA 140 - by Alan Douglas - 09-29-2010, 06:34 PM
Re: An RCA 140 - by denver - 09-29-2010, 07:53 PM
Re: An RCA 140 - by Jayce - 09-29-2010, 11:17 PM
Re: An RCA 140 - by exray - 09-30-2010, 09:46 PM
Re: An RCA 140 - by Jayce - 10-02-2010, 09:07 PM
Re: An RCA 140 - by Ken G - 10-11-2010, 08:05 PM
Re: An RCA 140 - by Allen in SB - 10-17-2010, 12:51 AM
Re: An RCA 140 - by exray - 10-17-2010, 07:07 AM
Re: An RCA 140 - by Jayce - 10-17-2010, 05:15 PM
Re: An RCA 140 - by Doug Houston - 11-23-2010, 01:30 AM
Re: An RCA 140 - by Jayce - 11-23-2010, 06:06 PM
Re: An RCA 140 - by exray - 11-24-2010, 08:19 AM
Re: An RCA 140 - by Jayce - 11-29-2010, 06:27 PM
Re: An RCA 140 - by FStephenMasek - 12-01-2010, 11:48 PM
Re: An RCA 140 - by Jayce - 12-02-2010, 03:38 PM
Re: An RCA 140 - by exray - 12-02-2010, 04:40 PM
Re: An RCA 140 - by Ron Ramirez - 12-03-2010, 12:18 AM
Re: An RCA 140 - by TA Forbes - 12-09-2010, 09:07 PM
Re: An RCA 140 - by Doug Houston - 01-01-2011, 08:44 PM
Re: An RCA 140 - by theboyzz - 01-29-2011, 12:14 AM



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