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Linear Mode
An RCA 140
exray
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Posts: 893
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Joined: Mar 2008
City: Vieques, PR USA State, Province, Country: PR
#20

12-02-2010, 04:40 PM
I might have this totally backwards but...78 is the older of the two but is preferred by some. Has to do with the internal shielding construction. Apparently the 6D6 is a bit more prone to self-oscillation in some circuits.
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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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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)