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March 28, 2024, 10:24:06 AM
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2 Members and 73 Guests are viewing this board.
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I need help with receiver restoration
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W8ACR
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7
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2989
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April 26, 2022, 12:17:44 AM
by W8ACR
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LF Parasitic oscillation?
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W8ACR
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20
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7628
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August 05, 2011, 02:54:03 PM
by W8ACR
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transformer questions
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W8ACR
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6
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5744
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January 18, 2009, 11:35:11 AM
by KM1H
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One last R390A issue
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W8ACR
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6
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3111
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March 05, 2020, 10:25:11 AM
by WD8KDG
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Pi network RF current
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W8ACR
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7
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3852
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March 21, 2013, 05:06:35 AM
by KA2DZT
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Mod transformer question
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W8ACR
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3
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2187
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June 10, 2012, 11:17:00 PM
by k4kyv
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How to reduce filament voltage
« 1 2 »
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W8ACR
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26
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14996
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May 29, 2012, 01:28:02 PM
by W7TFO
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Triode Tank circuit
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W8ACR
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7
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5916
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January 26, 2009, 09:54:30 AM
by K9ACT
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Mystery meter
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W8ACR
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8
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2727
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January 28, 2020, 10:59:10 PM
by W8ACR
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homebrew amp schematic
« 1 2 »
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W8ACR
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32
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28830
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May 16, 2010, 02:03:57 PM
by WD5JKO
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Specs on Stancor Plate transformer
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W8ACR
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6
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3456
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August 27, 2009, 11:49:35 PM
by W8ACR
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7 pin tube sockets
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W8ACR
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6
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3852
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June 29, 2012, 02:47:09 AM
by W7TFO
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Advice for final tank circuit
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W8ACR
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64
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38062
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January 16, 2010, 05:52:57 PM
by Gito
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Filament chokes (again)
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W8ACR
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5
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1485
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October 30, 2023, 07:12:43 AM
by KD6VXI
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T-368 speech amp
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W8ACR
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2
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1645
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April 16, 2018, 12:53:20 PM
by WA1QHQ
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GK 400 modulator schematic
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W8ACR
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1
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2359
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June 20, 2017, 06:28:02 PM
by WN9D
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More grid bias stuff
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W8ACR
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8
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3183
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April 20, 2018, 12:50:50 AM
by Opcom
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RCA Mod iron info
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W8ACR
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19
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8430
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October 20, 2011, 04:12:52 PM
by KM1H
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Specs on choke
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W8ACR
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4
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2231
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March 03, 2012, 12:26:48 PM
by KA2DZT
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What is the application for a high inductance low current choke?
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W8ACR
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5
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2644
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December 06, 2012, 08:05:06 AM
by KM1H
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Shure 55S mic/broadcast audio
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W8ACR
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15
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7090
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February 18, 2012, 09:47:54 PM
by KM1H
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Need ideas for balanced input vacuum tube audio driver
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W8ACR
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14
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4874
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October 28, 2019, 01:00:39 PM
by w4bfs
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SP 600 - 600 ohm audio output
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W8ACR
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10
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6492
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September 21, 2011, 05:12:29 PM
by ke7trp
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Eimac 254W
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W8ACR
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11
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11094
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January 05, 2010, 08:23:53 PM
by W8ACR
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Amertran K 287
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W8ACR
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1
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2181
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July 16, 2012, 07:58:43 AM
by W3RSW
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Topic you have posted in
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Hot Topic (More than 15 replies)
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Locked Topic
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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