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RCA 61-3
#5

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.


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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