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| Topics |
Author |
Replies |
Views |
Last post |
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 Trio VTVM - 115v/400hz supply
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bdbell |
7 |
374 |
Jun Thu 30, 2022 1:15 am
bdbell
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Hewlett-Packard 150A Oscilloscope
[  Go to page: 1, 2 ]
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diskcopy |
21 |
4432 |
Jun Thu 30, 2022 12:21 am
Notimetolooz
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RCA Volt Ohmyst 510A Meter dead(diag measurements made)
[ Go to page: 1, 2 ]
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JukeBoxDenny |
21 |
614 |
Jun Wed 29, 2022 11:44 pm
Usually Lurking
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Car Battery Testers
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Retired Radio Man |
6 |
343 |
Jun Wed 29, 2022 11:08 pm
Usually Lurking
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Repair Centers for HP 410B
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Wildwing |
0 |
46 |
Jun Wed 29, 2022 7:35 pm
Wildwing
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Which VTVM would you own if you could?
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luckyflyer |
16 |
283 |
Jun Wed 29, 2022 4:09 pm
Tubologic
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Grundig RV3 VTVM - switch to 120v (solved)
[ Go to page: 1, 2 ]
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bdbell |
24 |
993 |
Jun Wed 29, 2022 6:23 am
bdbell
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Eico 615 adapter and 7-pin tube sockets
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hondabones |
3 |
151 |
Jun Wed 29, 2022 3:49 am
Tom Bavis
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Industrial Instruments L-6B Megohmmeter
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Tim |
2 |
1237 |
Jun Wed 29, 2022 2:50 am
Barry H Bennett
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Dumont 304 Power Supply
[ Go to page: 1, 2 ]
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jethro98 |
31 |
504 |
Jun Tue 28, 2022 11:19 pm
jethro98
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DDS Sweep Alignment Instrument
[ Go to page: 1, 2, 3 ]
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rbwhipple |
46 |
3861 |
Jun Tue 28, 2022 11:04 pm
HERSHEY
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I'm unsure if a non polar cap can be used
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Timmy333 |
2 |
76 |
Jun Tue 28, 2022 6:32 pm
mblack
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home brew iso trans and variac metering Q
|
zbiker II |
15 |
521 |
Jun Tue 28, 2022 3:01 pm
wazz
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Jung Jin model JMM 2200
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cferry1 |
0 |
70 |
Jun Tue 28, 2022 2:49 pm
cferry1
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Motorola R2001D service monitor
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Tim Tress |
6 |
303 |
Jun Mon 27, 2022 7:42 pm
Tim Tress
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FOUND Hickok 600A R6 replacement source
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ArtFromNY |
4 |
177 |
Jun Mon 27, 2022 5:25 pm
ArtFromNY
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Question for HP 6920B Meter Calibrator owners
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cwr56 |
19 |
1008 |
Jun Sun 26, 2022 6:07 pm
Philip Colston
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knight 600 tube checker chart
|
zbiker |
6 |
3321 |
Jun Sun 26, 2022 4:35 pm
Tom Bavis
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B&K 747 Tube Tester Meter sits at 12 mark When Powered On?
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Uptown |
4 |
181 |
Jun Sun 26, 2022 4:21 pm
Bill Eccher Jr
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Looking for probe info for a Triplett model 801 TVOM
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KA2MCE |
2 |
127 |
Jun Sun 26, 2022 8:32 am
Retired Radio Man
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Need Correct Charts for EICO 667 and suggested knob replace
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orinwalker |
6 |
259 |
Jun Sat 25, 2022 8:55 pm
orinwalker
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Shorts test lamp # in Supreme 504-A Tube Tester
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ampstamp88 |
2 |
133 |
Jun Sat 25, 2022 7:58 pm
ampstamp88
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HYCON 617 Scope & 614 VTVM info's needed.
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Tubologic |
9 |
1449 |
Jun Sat 25, 2022 5:56 pm
bob91343
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Simpson 260
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AirScooter |
3 |
222 |
Jun Sat 25, 2022 3:43 pm
jimtech
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Tektronix S 265 probe info
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wazz |
2 |
99 |
Jun Sat 25, 2022 2:10 am
wazz
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stark PS503 power supply
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neil brown |
1 |
105 |
Jun Fri 24, 2022 9:55 pm
bob91343
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EMC 106, Hickok 225, ECA FMT Schematics
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Retired Radio Man |
5 |
1431 |
Jun Fri 24, 2022 6:54 pm
Twinsig
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Ballantine Laboratories 302B Voltmeter Manual
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bdbell |
1 |
109 |
Jun Fri 24, 2022 6:44 pm
stevebyan
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ANSWERED thank you Hickok 209A DC probe resistor question
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ArtFromNY |
5 |
192 |
Jun Fri 24, 2022 4:02 pm
ArtFromNY
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Agilent/HP 6281A Variable Regulated DC Power Supply
[ Go to page: 1, 2 ]
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billalpert |
27 |
1156 |
Jun Fri 24, 2022 2:16 pm
HalFoster
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port a lab 500d question
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cdm |
6 |
282 |
Jun Fri 24, 2022 1:02 am
Tom Bavis
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Heathkit IM-5238 AC Voltmeter Temp Compensating Resistor
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petersor11 |
18 |
683 |
Jun Thu 23, 2022 11:21 pm
petersor11
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Triplett vs Simpson vs Eico - If you can only keep one
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ericgeiss |
18 |
645 |
Jun Thu 23, 2022 10:49 pm
Fred Scoles
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Triplett Signal Generator Model 3433
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jamr005 |
7 |
1000 |
Jun Thu 23, 2022 7:24 pm
jamr005
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first soldering iron
[ Go to page: 1, 2 ]
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ttx450cap |
38 |
3894 |
Jun Thu 23, 2022 6:20 pm
pauls.ironhorse
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Wave Generator questions
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Codepug |
10 |
378 |
Jun Thu 23, 2022 4:12 pm
stevebyan
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Philips PM-3200 scope question (trigger issue)
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Tube Radio |
11 |
2861 |
Jun Thu 23, 2022 2:01 pm
Tube Radio
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Heathkit IT-17
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orinwalker |
9 |
508 |
Jun Thu 23, 2022 12:59 pm
orinwalker
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Another Use For Your Variac
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Retired Radio Man |
2 |
267 |
Jun Thu 23, 2022 3:48 am
COM-NAV-ECM
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EICO 667 tube tester buzzing
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RAD400 |
8 |
1017 |
Jun Thu 23, 2022 12:48 am
Mike C.
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Hickok 123A
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Haywardradio |
9 |
574 |
Jun Wed 22, 2022 3:44 pm
Haywardradio
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in circuit capacitator testors
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Dale B |
3 |
291 |
Jun Wed 22, 2022 1:34 pm
Big Harry
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Calculate dropper resistors
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kevwr |
10 |
502 |
Jun Wed 22, 2022 1:20 pm
kevwr
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Sprague 36D/36DY large-can, screw terminal capacitors
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HalFoster |
0 |
118 |
Jun Tue 21, 2022 4:51 pm
HalFoster
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Hickok 605A 7-pin socket replacement
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BrianU |
7 |
267 |
Jun Mon 20, 2022 7:03 pm
Bill Eccher Jr
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B&K Tube Tester 500, meter is good but won't move
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jescher356 |
3 |
207 |
Jun Mon 20, 2022 3:31 pm
jescher356
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Precision Model 48 VTVM Calibration
[ Go to page: 1, 2 ]
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Robbdoe1 |
23 |
547 |
Jun Mon 20, 2022 11:04 am
Robbdoe1
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How do you Decide if it is OK to Part Something Out?
[ Go to page: 1, 2 ]
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PhilF |
28 |
1297 |
Jun Sun 19, 2022 10:25 pm
fifties
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Capacitor/resistor substitution boxes
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j0shua |
11 |
536 |
Jun Sun 19, 2022 5:58 pm
j0shua
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Dynascan 177 VTVM rebuild
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Guzzifan |
9 |
665 |
Jun Sun 19, 2022 5:32 am
Guzzifan
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