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Dual 45 tubes in a Philco 20?
mikethedruid
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Posts: 1,824
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City: Sneedville, TN
#2

10-22-2015, 12:53 AM
well, if the 45s are stuck in the 71A sockets, and the filament wiring has not been changed, they will burn out mighty fast since the 71As are wired for 5V and the 45s have a 2.5V filament.
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Messages In This Thread
Dual 45 tubes in a Philco 20? - by OldRestorer - 10-22-2015, 12:33 AM
RE: Dual 45 tubes in a Philco 20? - by mikethedruid - 10-22-2015, 12:53 AM
RE: Dual 45 tubes in a Philco 20? - by Arran - 10-22-2015, 02:34 AM
RE: Dual 45 tubes in a Philco 20? - by Arran - 10-22-2015, 11:57 PM
RE: Dual 45 tubes in a Philco 20? - by TA Forbes - 10-22-2015, 09:12 AM
RE: Dual 45 tubes in a Philco 20? - by TA Forbes - 10-22-2015, 09:30 AM
RE: Dual 45 tubes in a Philco 20? - by Arran - 10-24-2015, 12:22 AM
RE: Dual 45 tubes in a Philco 20? - by codefox1 - 10-29-2015, 02:36 PM



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