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3 Members and 68 Guests are viewing this board.
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UTC power xfmr #FJ-943
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W9ZSL
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2
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2248
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March 21, 2008, 09:13:50 PM
by W9ZSL
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Heathkit AT-1 Power Supply
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W9ZSL
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2
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1673
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October 28, 2015, 12:57:56 PM
by W9ZSL
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Heathkit AT-1 Rebuild: Filaments
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W9ZSL
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3
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1794
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October 12, 2015, 01:46:12 PM
by W9ZSL
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Transient Supressor
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W9ZSL
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7
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3553
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January 07, 2014, 06:00:13 PM
by W9ZSL
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Push-Pull 6V6 Speech Amp / Driver Problem Solved
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W9ZSL
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8
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6163
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March 10, 2015, 11:58:06 AM
by W9ZSL
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More 811A Modulator Tube Questions
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W9ZSL
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10
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5163
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February 12, 2016, 10:14:41 PM
by W9ZSL
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High Voltage Dropping Resistor
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W9ZSL
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9
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3242
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May 14, 2019, 05:28:10 PM
by W9ZSL
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Leaky Battery
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W9ZSL
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4
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2499
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December 19, 2015, 09:44:15 PM
by Mike/W8BAC
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What Wire Should I Use For Wiring HV Iron Primaries?
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W9ZSL
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20
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10123
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February 06, 2014, 08:29:00 AM
by w4bfs
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Exciter For Parallel 5933 Rig
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W9ZSL
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0
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1411
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November 20, 2018, 04:24:05 PM
by W9ZSL
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811A Modulator Question
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W9ZSL
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13
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7836
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March 26, 2015, 06:00:48 PM
by WB5IRI
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Machlett Tubes
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W9ZSL
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11
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8267
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February 11, 2016, 10:52:49 PM
by W9ZSL
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Wire Substitutions
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W9ZSL
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24
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15261
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June 27, 2015, 01:50:25 PM
by W9ZSL
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811A Modulator Build Starting
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W9ZSL
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18
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11534
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August 21, 2014, 06:28:40 PM
by W9ZSL
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More Single 6V6 Speech Amp Driver: Bias
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W9ZSL
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3
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2239
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March 25, 2015, 12:51:35 PM
by W9ZSL
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UTC S-22 Questions
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W9ZSL
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4
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2803
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January 14, 2016, 11:39:43 PM
by W9ZSL
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Thordarson Iron (Tru-Fidelity) Specs/Update
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W9ZSL
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4
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4289
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February 14, 2007, 01:12:42 PM
by k4kyv
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Single 813 Amp Build
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W9ZSL
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16
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8180
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February 06, 2015, 05:52:10 PM
by w1vtp
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Pin-outs for HW-100 PWR supply plug
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W9ZSL
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3
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2107
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November 02, 2008, 01:53:38 AM
by W9ZSL
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Bare Bones Oscillator, Opinions?
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W9ZSL
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8
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4578
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July 27, 2014, 11:02:33 AM
by W9ZSL
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GOT THE ANSWER ON THE DX-100. THANKS MUCH GROUP!
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W9ZSL
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1
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1968
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January 23, 2009, 09:07:46 AM
by W3SLK
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Super Basic 813 Amp
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W9ZSL
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3
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3700
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June 19, 2015, 11:09:14 AM
by w1vtp
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Thordarson Tru-Fidelity Mod xfmr & matching Reactor
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W9ZSL
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0
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2954
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February 06, 2007, 06:08:32 AM
by W9ZSL
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AT-1 Power Supply / Grounding
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W9ZSL
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3
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2051
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November 02, 2015, 12:43:06 PM
by W9ZSL
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Componant Replacement Technique
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W9ZSL
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28
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11380
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February 19, 2012, 01:48:44 PM
by W9ZSL
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