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No unread posts Attachment(s) Hp 200AB repairs

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anchorman

46

969

Jan Fri 21, 2022 11:30 pm

anchorman View the latest post

No unread posts Choosing a VARIAC

Walter Schwartz

8

67

Jan Fri 21, 2022 11:26 pm

Walter Schwartz View the latest post

No unread posts HP 5214L Preset Counter Manual/Schematic Needed

petersor11

2

93

Jan Fri 21, 2022 11:25 pm

petersor11 View the latest post

No unread posts Attachment(s) TV-7/BU Calibration Help

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tdbassman

25

316

Jan Fri 21, 2022 11:12 pm

ACORNVALVE View the latest post

No unread posts What is a "Resonance Curve Recorder"?

bluebellyyankee

3

34

Jan Fri 21, 2022 10:57 pm

Chas View the latest post

No unread posts Tek 310 A O Scope

Dale B

16

361

Jan Fri 21, 2022 10:44 pm

ttx450cap View the latest post

No unread posts Attachment(s) Hickok I-177B tube tester for eye tubes?

sberry1

8

48

Jan Fri 21, 2022 10:21 pm

sberry1 View the latest post

No unread posts Attachment(s) Hickok OS-3 Oscillator schematic

likeoldtubes

0

13

Jan Fri 21, 2022 9:17 pm

likeoldtubes View the latest post

No unread posts Attachment(s) Hickok 4953 PortALab

likeoldtubes

3

104

Jan Fri 21, 2022 4:52 pm

likeoldtubes View the latest post

No unread posts Recommedations for microammeter with zero center feature

bluebellyyankee

7

164

Jan Fri 21, 2022 3:44 pm

Alan S View the latest post

No unread posts Attachment(s) What's a Good. Tube Checker Choice?

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twilightzonepinball

35

1166

Jan Fri 21, 2022 1:43 pm

ACORNVALVE View the latest post

No unread posts HP 11661B Frequency Extender

Chemic

9

251

Jan Fri 21, 2022 1:31 pm

Mikeinkcmo View the latest post

No unread posts Attachment(s) Tek 453 fan motor lubrication

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DocSlop

85

17131

Jan Fri 21, 2022 7:46 am

tym View the latest post

No unread posts Attachment(s) Tube tester calibration/trim pot replacement

hhinhi

4

108

Jan Thu 20, 2022 9:30 pm

Chris108 View the latest post

No unread posts Signalstat

Les

3

128

Jan Thu 20, 2022 9:26 pm

Les View the latest post

No unread posts Attachment(s) Eye candy vid for old HP test gear.

wazz

5

241

Jan Thu 20, 2022 7:36 pm

Thewasp View the latest post

No unread posts Hickok OS-3 Oscillator

likeoldtubes

0

55

Jan Thu 20, 2022 6:54 pm

likeoldtubes View the latest post

No unread posts Hickok 265 CRT Tester

Govee

0

49

Jan Thu 20, 2022 5:13 pm

Govee View the latest post

No unread posts Attachment(s) Sencore FE 14 can't zero meter

mosslack

16

2413

Jan Thu 20, 2022 4:32 pm

mainer4 View the latest post

No unread posts Attachment(s) Hickok 605A with Simpson 260 meter

Paul Dietenberger

11

464

Jan Thu 20, 2022 3:51 pm

Tony F View the latest post

No unread posts Attachment(s) Tool?

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Stan the Man

25

684

Jan Thu 20, 2022 5:30 am

8bitmime View the latest post

No unread posts Attachment(s) Weston 686 Type 9C-need help with rebuild

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andywander

56

1759

Jan Thu 20, 2022 4:52 am

andywander View the latest post

No unread posts Attachment(s) IM-11 vtvm Heathkit problems

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Tubelover

43

1750

Jan Wed 19, 2022 8:00 pm

tym View the latest post

No unread posts Attachment(s) Using Siglent sdg1032X for IF Bandpass Response

Marc Hildebrant

12

309

Jan Wed 19, 2022 6:23 pm

byoungblood View the latest post

No unread posts Attachment(s) Simpson 269

Arnon

12

1632

Jan Wed 19, 2022 4:19 pm

MarkPalmer View the latest post

No unread posts Need Manual for Simpson 269 Meter

Vlad

11

3347

Jan Wed 19, 2022 2:09 pm

duckytune View the latest post

No unread posts Attachment(s) General Electric YGS-3 signal generator

K7MCG

14

2176

Jan Wed 19, 2022 12:44 pm

stevebyan View the latest post

No unread posts Attachment(s) CRT Manual

Robbdoe1

8

128

Jan Wed 19, 2022 5:07 am

K7MCG View the latest post

No unread posts Heathkit TC-3 - Measuring AC voltages

Croydonboy

5

191

Jan Tue 18, 2022 6:37 pm

Croydonboy View the latest post

No unread posts Hickok 800 Tube Tester

Bugsy7marie

7

189

Jan Tue 18, 2022 5:54 pm

Bugsy7marie View the latest post

No unread posts GenRad 1863/1864 megohmmeters

jeanpaul

0

86

Jan Tue 18, 2022 5:14 pm

jeanpaul View the latest post

No unread posts Sevice manual needed

Mikeinkcmo

7

1924

Jan Tue 18, 2022 5:18 am

Rax View the latest post

No unread posts Attachment(s) Need Help with ZM-3/U Calibration

TechyMechy

13

270

Jan Tue 18, 2022 12:48 am

TechyMechy View the latest post

No unread posts Attachment(s) help with a oscilloscope

pinto

8

3800

Jan Mon 17, 2022 5:42 pm

jspayneco View the latest post

No unread posts Attachment(s) Eico 330 RF generator L1 inductance readings ???

xrhonda91

1

92

Jan Mon 17, 2022 8:40 am

KX5JSC View the latest post

No unread posts Attachment(s) What's Going on Here?

Robbdoe1

14

374

Jan Mon 17, 2022 6:41 am

Mikeinkcmo View the latest post

No unread posts Attachment(s) LC100-A, LC200-A, and similar low-cost digital LC meters?

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electricboyo

106

22386

Jan Mon 17, 2022 1:00 am

pandreasen View the latest post

No unread posts Attachment(s) Manual and schematic for a Feiler TS-9?

6bg6ga

8

362

Jan Sun 16, 2022 9:55 pm

6bg6ga View the latest post

No unread posts Testing 7788 on Dyna Quik Model 700

jfleetwood

5

207

Jan Sun 16, 2022 8:25 pm

jfleetwood View the latest post

No unread posts High voltage measurement?

byoungblood

8

308

Jan Sun 16, 2022 2:09 pm

Chris108 View the latest post

No unread posts Attachment(s) Heathkit SM-20A VTVM help?

sberry1

13

440

Jan Sun 16, 2022 4:04 am

swifteddy View the latest post

No unread posts Attachment(s) Beginner questions using Generator/Frequency counter

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bluebellyyankee

56

857

Jan Sun 16, 2022 2:13 am

Marcc View the latest post

No unread posts Attachment(s) Hickok TV-7B/U Problem

jonboy55

18

519

Jan Sun 16, 2022 1:56 am

Lou deGonzague View the latest post

No unread posts Attachment(s) Sencore MU 150 Calibration

Greg S

17

4033

Jan Sun 16, 2022 1:52 am

Erik K View the latest post

No unread posts Hickok tube tester age ?

JukeBoxDenny

6

231

Jan Sun 16, 2022 1:35 am

JukeBoxDenny View the latest post

No unread posts Systron Donner 7110A Information

arts

0

66

Jan Sat 15, 2022 9:50 pm

arts View the latest post

No unread posts Attachment(s) Eico 221 all ohms scales will not zero adj/ohms adj knobs

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quartermilecamel

33

1051

Jan Sat 15, 2022 9:07 pm

quartermilecamel View the latest post

No unread posts triad Isolation transformer

radiorich

12

1733

Jan Sat 15, 2022 5:23 pm

fixt View the latest post

No unread posts Attachment(s) RCA 327 Tube Tester / OOPS! RCP 327

KC5PGZ

13

261

Jan Sat 15, 2022 4:05 pm

Lou deGonzague View the latest post

No unread posts B&K Dyna-Quik 500 service manual

Ross Hollinger

2

66

Jan Sat 15, 2022 3:48 pm

Ross Hollinger View the latest post

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