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Majestic 181
Arran
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Posts: 4,702
Threads: 51
Joined: Sep 2008
City: Sandwick, BC, CA
#23

04-05-2012, 01:26 AM
If push came to shove and you needed a substitute of a pair of type 50s you could use a pair of 6L6 tubes connected as a triode, with an adapter, using a resistor to drop the filament voltage to 6.3 volts from 7 volts, but a pair of China 50s would be better as you wouldn't have to change the bias voltage.
Regards
Arran
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Messages In This Thread
Majestic 181 - by Jayce - 03-23-2012, 11:42 PM
RE: Majestic 181 - by Arran - 03-24-2012, 02:34 AM
RE: Majestic 181 - by Jayce - 03-24-2012, 01:03 PM
RE: Majestic 181 - by Arran - 03-24-2012, 09:26 PM
RE: Majestic 181 - by Ron Ramirez - 03-24-2012, 09:44 PM
RE: Majestic 181 - by Jayce - 03-24-2012, 10:43 PM
RE: Majestic 181 - by Jayce - 03-24-2012, 10:40 PM
RE: Majestic 181 - by Doug Houston - 03-25-2012, 12:56 AM
RE: Majestic 181 - by TA Forbes - 03-25-2012, 12:57 AM
RE: Majestic 181 - by Jayce - 03-25-2012, 01:18 AM
RE: Majestic 181 - by Doug Houston - 03-25-2012, 09:33 PM
RE: Majestic 181 - by Jayce - 03-25-2012, 10:51 PM
RE: Majestic 181 - by Arran - 03-26-2012, 12:05 AM
RE: Majestic 181 - by Doug Houston - 03-26-2012, 11:14 PM
RE: Majestic 181 - by TA Forbes - 03-27-2012, 01:54 PM
RE: Majestic 181 - by codefox1 - 03-27-2012, 09:03 PM
RE: Majestic 181 - by Doug Houston - 04-05-2012, 11:19 PM
RE: Majestic 181 - by Arran - 03-27-2012, 07:43 PM
RE: Majestic 181 - by Jayce - 03-29-2012, 07:56 PM
RE: Majestic 181 - by Arran - 04-03-2012, 11:30 PM
RE: Majestic 181 - by Doug Houston - 03-29-2012, 11:53 PM
RE: Majestic 181 - by Jayce - 04-04-2012, 12:39 AM
RE: Majestic 181 - by codefox1 - 04-04-2012, 02:57 AM
RE: Majestic 181 - by Arran - 04-05-2012, 01:26 AM



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