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RCA 61-3
codefox1
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Posts: 2,128
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#5

04-07-2013, 10:12 AM
Pin 1 must be grounded if a metal tube is used. BUT! if pin 1 is used as a convenient tie point for another component it must isolated or re-routed so pin 1 can be properly grounded. Thereafter, either type metal or glass should be just fine. Metal type is probably better anyway from standpoint of shielding and microphonic tendencies.
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Messages In This Thread
RCA 61-3 - by Paul Philco322 - 04-03-2013, 08:40 PM
RE: RCA 61-3 - by morzh - 04-03-2013, 11:20 PM
RE: RCA 61-3 - by Paul Philco322 - 04-04-2013, 07:45 AM
RE: RCA 61-3 - by Paul Philco322 - 04-06-2013, 08:53 PM
RE: RCA 61-3 - by codefox1 - 04-07-2013, 10:12 AM
RE: RCA 61-3 - by Paul Philco322 - 04-13-2013, 02:51 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)