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Post New Topic  [ 24545 topics ]  Go to page 1, 2, 3, 4, 5 ... 491  Next
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No unread posts Attachment(s) RCA Volt Ohmyst 510A Meter dead(diag measurements made)

JukeBoxDenny

13

541

Jun Tue 28, 2022 9:58 pm

Barry H Bennett View the latest post

No unread posts Which VTVM would you own if you could?

luckyflyer

10

103

Jun Tue 28, 2022 7:04 pm

khutch View the latest post

No unread posts Attachment(s) Eico 615 adapter and 7-pin tube sockets

hondabones

2

113

Jun Tue 28, 2022 7:02 pm

hondabones View the latest post

No unread posts I'm unsure if a non polar cap can be used

Timmy333

2

40

Jun Tue 28, 2022 6:32 pm

mblack View the latest post

No unread posts Attachment(s) home brew iso trans and variac metering Q

zbiker II

15

484

Jun Tue 28, 2022 3:01 pm

wazz View the latest post

No unread posts Attachment(s) Jung Jin model JMM 2200

cferry1

0

36

Jun Tue 28, 2022 2:49 pm

cferry1 View the latest post

No unread posts Attachment(s) Dumont 304 Power Supply

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jethro98

30

411

Jun Tue 28, 2022 2:48 pm

Chris108 View the latest post

No unread posts Car Battery Testers

Retired Radio Man

4

265

Jun Tue 28, 2022 3:28 am

Retired Radio Man View the latest post

No unread posts Attachment(s) Motorola R2001D service monitor

Tim Tress

6

267

Jun Mon 27, 2022 7:42 pm

Tim Tress View the latest post

No unread posts FOUND Hickok 600A R6 replacement source

ArtFromNY

4

139

Jun Mon 27, 2022 5:25 pm

ArtFromNY View the latest post

No unread posts Attachment(s) DDS Sweep Alignment Instrument

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rbwhipple

45

3812

Jun Mon 27, 2022 3:33 pm

Ewizard View the latest post

No unread posts Attachment(s) Question for HP 6920B Meter Calibrator owners

cwr56

19

982

Jun Sun 26, 2022 6:07 pm

Philip Colston View the latest post

No unread posts knight 600 tube checker chart

zbiker

6

3302

Jun Sun 26, 2022 4:35 pm

Tom Bavis View the latest post

No unread posts B&K 747 Tube Tester Meter sits at 12 mark When Powered On?

Uptown

4

153

Jun Sun 26, 2022 4:21 pm

Bill Eccher Jr View the latest post

No unread posts Looking for probe info for a Triplett model 801 TVOM

KA2MCE

2

113

Jun Sun 26, 2022 8:32 am

Retired Radio Man View the latest post

No unread posts Attachment(s) Need Correct Charts for EICO 667 and suggested knob replace

orinwalker

6

237

Jun Sat 25, 2022 8:55 pm

orinwalker View the latest post

No unread posts Attachment(s) Shorts test lamp # in Supreme 504-A Tube Tester

ampstamp88

2

118

Jun Sat 25, 2022 7:58 pm

ampstamp88 View the latest post

No unread posts Attachment(s) HYCON 617 Scope & 614 VTVM info's needed.

Tubologic

9

1419

Jun Sat 25, 2022 5:56 pm

bob91343 View the latest post

No unread posts Attachment(s) Simpson 260

AirScooter

3

196

Jun Sat 25, 2022 3:43 pm

jimtech View the latest post

No unread posts Tektronix S 265 probe info

wazz

2

93

Jun Sat 25, 2022 2:10 am

wazz View the latest post

No unread posts stark PS503 power supply

neil brown

1

98

Jun Fri 24, 2022 9:55 pm

bob91343 View the latest post

No unread posts EMC 106, Hickok 225, ECA FMT Schematics

Retired Radio Man

5

1416

Jun Fri 24, 2022 6:54 pm

Twinsig View the latest post

No unread posts Ballantine Laboratories 302B Voltmeter Manual

bdbell

1

101

Jun Fri 24, 2022 6:44 pm

stevebyan View the latest post

No unread posts ANSWERED thank you Hickok 209A DC probe resistor question

ArtFromNY

5

183

Jun Fri 24, 2022 4:02 pm

ArtFromNY View the latest post

No unread posts Attachment(s) Agilent/HP 6281A Variable Regulated DC Power Supply

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billalpert

27

1144

Jun Fri 24, 2022 2:16 pm

HalFoster View the latest post

No unread posts Attachment(s) port a lab 500d question

cdm

6

268

Jun Fri 24, 2022 1:02 am

Tom Bavis View the latest post

No unread posts Attachment(s) Heathkit IM-5238 AC Voltmeter Temp Compensating Resistor

petersor11

18

662

Jun Thu 23, 2022 11:21 pm

petersor11 View the latest post

No unread posts Attachment(s) Triplett vs Simpson vs Eico - If you can only keep one

ericgeiss

18

616

Jun Thu 23, 2022 10:49 pm

Fred Scoles View the latest post

No unread posts Triplett Signal Generator Model 3433

jamr005

7

994

Jun Thu 23, 2022 7:24 pm

jamr005 View the latest post

No unread posts Attachment(s) first soldering iron

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ttx450cap

38

3881

Jun Thu 23, 2022 6:20 pm

pauls.ironhorse View the latest post

No unread posts Attachment(s) Wave Generator questions

Codepug

10

357

Jun Thu 23, 2022 4:12 pm

stevebyan View the latest post

No unread posts Attachment(s) Philips PM-3200 scope question (trigger issue)

Tube Radio

11

2852

Jun Thu 23, 2022 2:01 pm

Tube Radio View the latest post

No unread posts Attachment(s) Heathkit IT-17

orinwalker

9

482

Jun Thu 23, 2022 12:59 pm

orinwalker View the latest post

No unread posts Another Use For Your Variac

Retired Radio Man

2

260

Jun Thu 23, 2022 3:48 am

COM-NAV-ECM View the latest post

No unread posts EICO 667 tube tester buzzing

RAD400

8

1013

Jun Thu 23, 2022 12:48 am

Mike C. View the latest post

No unread posts Attachment(s) Hickok 123A

Haywardradio

9

565

Jun Wed 22, 2022 3:44 pm

Haywardradio View the latest post

No unread posts in circuit capacitator testors

Dale B

3

288

Jun Wed 22, 2022 1:34 pm

Big Harry View the latest post

No unread posts Attachment(s) Calculate dropper resistors

kevwr

10

497

Jun Wed 22, 2022 1:20 pm

kevwr View the latest post

No unread posts Sprague 36D/36DY large-can, screw terminal capacitors

HalFoster

0

115

Jun Tue 21, 2022 4:51 pm

HalFoster View the latest post

No unread posts Attachment(s) Hickok 605A 7-pin socket replacement

BrianU

7

259

Jun Mon 20, 2022 7:03 pm

Bill Eccher Jr View the latest post

No unread posts Attachment(s) B&K Tube Tester 500, meter is good but won't move

jescher356

3

201

Jun Mon 20, 2022 3:31 pm

jescher356 View the latest post

No unread posts Attachment(s) Precision Model 48 VTVM Calibration

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Robbdoe1

23

534

Jun Mon 20, 2022 11:04 am

Robbdoe1 View the latest post

No unread posts Attachment(s) How do you Decide if it is OK to Part Something Out?

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PhilF

28

1291

Jun Sun 19, 2022 10:25 pm

fifties View the latest post

No unread posts Attachment(s) Capacitor/resistor substitution boxes

j0shua

11

533

Jun Sun 19, 2022 5:58 pm

j0shua View the latest post

No unread posts Attachment(s) Dynascan 177 VTVM rebuild

Guzzifan

9

662

Jun Sun 19, 2022 5:32 am

Guzzifan View the latest post

No unread posts FOUND Hickok 538 schematics

ArtFromNY

6

441

Jun Sun 19, 2022 1:58 am

rja2907@comcast.net View the latest post

No unread posts Attachment(s) Elenco SG-9000 Signal Generator

instructor51

10

556

Jun Sat 18, 2022 10:59 pm

instructor51 View the latest post

No unread posts Attachment(s) FOUND Need manual OBQ-1 meter or at least schematic

ArtFromNY

5

328

Jun Fri 17, 2022 7:11 pm

Retired Radio Man View the latest post

No unread posts Eppley Standard Cell Voltage Measurement?

Morcegao

4

276

Jun Fri 17, 2022 5:00 pm

Conrad Hoffman View the latest post

No unread posts tube test - needle jumps during warmup

frenchmarky

8

551

Jun Fri 17, 2022 12:33 pm

Marcc View the latest post

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