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Symmetrix 421-M Opinions?
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WBear2GCR
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6
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3796
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October 23, 2012, 08:27:03 PM
by W1DAN
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Somewhat simple Digital design idea/question...
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WBear2GCR
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7
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3488
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October 26, 2011, 09:17:50 AM
by W4AMV
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MOUSE CLEANING SYSTEM & R-390/390A
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WBear2GCR
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7
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4279
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August 04, 2017, 10:56:27 PM
by WO4K
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Audio Transformers Die? R-390 / R-390A
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WBear2GCR
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2
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2447
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October 30, 2017, 02:59:17 PM
by WBear2GCR
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240VAC + ISO Tranny + GROUND?? NEC vs. ??
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WBear2GCR
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36
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17944
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March 12, 2010, 10:16:29 AM
by WBear2GCR
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Viking II Interstage Audio Xfmr???
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WBear2GCR
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44
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33960
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September 08, 2007, 09:56:50 PM
by The Slab Bacon
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TMC SSB Adapter blows breakers, but not on Variac!
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WBear2GCR
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6
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3427
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May 01, 2020, 05:10:59 AM
by Opcom
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This *fluted knob* - smallest one??
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WBear2GCR
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3
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2412
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November 28, 2014, 04:55:32 PM
by WBear2GCR
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Multicoupler project, progress...
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WBear2GCR
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27
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10252
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July 10, 2020, 05:43:15 PM
by WBear2GCR
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MCS (Mouse Cleaning System) Applied to SP-600
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WBear2GCR
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21
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10362
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August 03, 2017, 07:11:15 AM
by MikeKE0ZUinkcmo
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MOVs and surge protection/transient absorption
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WBear2GCR
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23
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13127
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January 04, 2008, 06:54:35 AM
by w5kcm
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OK new one on me, what sort of Eimac tube is this??
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WBear2GCR
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28
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13258
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March 14, 2012, 05:46:29 PM
by KM1H
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Open Wire Line Spreaders ??
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WBear2GCR
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71
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65556
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March 10, 2010, 09:47:32 PM
by k4kyv
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R-392 Power Switch Problem/Repair - How To
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WBear2GCR
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6
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4937
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November 23, 2015, 10:14:27 AM
by WBear2GCR
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Copy of 32V schematic wanted....
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WBear2GCR
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4
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3673
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February 01, 2006, 09:04:14 PM
by WBear2GCR
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TS 440s AM Mods - new web page
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WBear2GCR
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11
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8303
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January 19, 2006, 12:25:59 AM
by WBear2GCR
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SX-28 Repair/Restoration Experiences/Tips??
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WBear2GCR
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18
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12880
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October 19, 2007, 09:33:28 PM
by KB2WIG
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DIY Tubes and the DIY Tube video...
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WBear2GCR
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3
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3054
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January 16, 2008, 10:10:21 AM
by W3RSW
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Plate Cooler/Caps for big glass tubes? (re:crapped out 3-500Z)
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WBear2GCR
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26
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14308
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September 27, 2008, 10:19:37 AM
by WBear2GCR
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Black Face B&W Xmiter?? Have I lost my mind??
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WBear2GCR
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4
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5047
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February 03, 2007, 09:43:45 PM
by KB2WIG
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SP-600 Help Play Find The Vanished Components!?!?
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WBear2GCR
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5
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2703
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January 10, 2020, 05:07:06 PM
by WBear2GCR
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Essex 28 Tuning Knob Q? (SX-28)
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WBear2GCR
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2
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2053
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July 14, 2014, 11:55:55 AM
by WBear2GCR
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CABINET CLEANING - Get the *BROWN* out!! - Boatanchors
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WBear2GCR
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8
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5574
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May 15, 2016, 11:03:06 PM
by WBear2GCR
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Bird Wattmeter - What's Inside??
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WBear2GCR
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19
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22299
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December 18, 2007, 12:37:44 AM
by W2JBL
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ID the mfr of this TOOL??
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WBear2GCR
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10
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10167
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May 24, 2011, 04:36:25 PM
by WBear2GCR
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