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No unread posts Voltage requirement for electrolytic question

delco32

7

333

Mar Wed 28, 2018 1:19 am

Jthorusen View the latest post

No unread posts Attachment(s) Aluminum Electrolytic -VS- Organic Polymer Capacitors

radiorich

10

419

Mar Wed 28, 2018 1:03 am

radiorich View the latest post

No unread posts Tubes With Lost ID Letters & Numbers - Toss Em?

juke47

9

499

Mar Tue 27, 2018 10:49 am

Chris108 View the latest post

No unread posts primary inductance of small toroidal power transformers?

murrayatuptown

1

151

Mar Tue 27, 2018 2:27 am

Tom Bavis View the latest post

No unread posts Attachment(s) Output: Thordarson T43798, Power: Brand? P1418A in PA Amp

teranz

2

147

Mar Mon 26, 2018 9:00 pm

teranz View the latest post

No unread posts Unusual #44 dial lamps

Poston Drake

2

312

Mar Mon 26, 2018 1:34 pm

Big Harry View the latest post

No unread posts decipering Nichicons caps and chooing right cap

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radiorich

20

550

Mar Mon 26, 2018 5:35 am

radiorich View the latest post

No unread posts Attachment(s) Difference between 24A and 35 tubes?

radios2100

8

312

Mar Mon 26, 2018 3:43 am

Jim Cross View the latest post

No unread posts Attachment(s) Rogers 6H7M tube adapter

Hawkcigar

3

268

Mar Mon 26, 2018 3:42 am

Hawkcigar View the latest post

No unread posts Coupling Condenser from the early to mid 1920s

Ed Jacobs

4

270

Mar Mon 26, 2018 2:37 am

Retired Radio Man View the latest post

No unread posts Sal Capacitor corner

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Jimradio

21

786

Mar Sun 25, 2018 6:54 pm

FreeElectron View the latest post

No unread posts PT4- Need help reading schematic to order parts

namehelp2003

6

160

Mar Sat 24, 2018 10:16 pm

namehelp2003 View the latest post

No unread posts Attachment(s) Help identify Crosley choke and transformer

Jim Cross

0

100

Mar Sat 24, 2018 12:25 am

Jim Cross View the latest post

No unread posts Attachment(s) ZENITH K412 PORTABLE "OWL EYES"MAROON. HANDLE

raynow

6

298

Mar Fri 23, 2018 9:22 pm

decoflair View the latest post

No unread posts Attachment(s) Testing 35W4 rectifier

SkyKing

19

545

Mar Fri 23, 2018 1:24 pm

Chris108 View the latest post

No unread posts 120 volt tubes

1968rt

10

390

Mar Fri 23, 2018 2:05 am

35Z5 View the latest post

No unread posts Attachment(s) EICO 232 Component

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Old Tube

22

491

Mar Thu 22, 2018 6:23 pm

Tom Schulz View the latest post

No unread posts Attachment(s) help picking an audio transformer For Lab Use

lectraplayer

9

350

Mar Thu 22, 2018 3:10 am

azenithnut View the latest post

No unread posts Attachment(s) Merit P-5213 Transformer

N2LXM

6

220

Mar Thu 22, 2018 12:59 am

N2LXM View the latest post

No unread posts looking for Tube Testing Services

creinemann

11

396

Mar Wed 21, 2018 10:03 pm

creinemann View the latest post

No unread posts 84 rectifier tube: maximum input filter cap value?

Poston Drake

2

145

Mar Wed 21, 2018 8:44 pm

Chris108 View the latest post

No unread posts Cooking a tube?

addyboy

7

474

Mar Wed 21, 2018 4:06 pm

addyboy View the latest post

No unread posts Attachment(s) Mystery HV Rectifiers

Curly

3

237

Mar Wed 21, 2018 2:01 am

Findm-Keepm View the latest post

No unread posts Vacuum tube description articles

Willitwork

0

185

Mar Wed 21, 2018 12:01 am

Willitwork View the latest post

No unread posts 76m56a regulator substitute

MrE12AX7

3

154

Mar Mon 19, 2018 11:21 pm

Eddy View the latest post

No unread posts Attachment(s) Reproduction capacitor

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azenithnut

64

7975

Mar Mon 19, 2018 11:47 am

Eliot Ness View the latest post

No unread posts Attachment(s) Potter Master Bypass

Philco47

0

158

Mar Mon 19, 2018 1:19 am

Philco47 View the latest post

No unread posts Philco power transformer identification.

Jim Dutridge

5

188

Mar Sun 18, 2018 9:35 pm

Poston Drake View the latest post

No unread posts Attachment(s) How to identify unmarked tubes?

lectraplayer

10

420

Mar Sun 18, 2018 1:08 pm

lectraplayer View the latest post

No unread posts 8R40 run one or run two

jjbkob

2

132

Mar Sun 18, 2018 6:19 am

jjbkob View the latest post

No unread posts Zenith 5A127 - tuning gear mechanism needed

nchronis

0

88

Mar Sat 17, 2018 3:34 pm

nchronis View the latest post

No unread posts Looking for a 8875 tube

cjr W7JBA

5

313

Mar Sat 17, 2018 1:56 pm

kc8adu View the latest post

No unread posts Attachment(s) AK Tube Hats

atwaterkent1

19

645

Mar Sat 17, 2018 8:21 am

atwaterkentsrus View the latest post

No unread posts Attachment(s) Resistor value?

rebrands

5

205

Mar Fri 16, 2018 6:49 pm

rebrands View the latest post

No unread posts Capacitor Information

Kevin Clark

6

498

Mar Fri 16, 2018 8:19 am

Chris108 View the latest post

No unread posts Attachment(s) Power transformer option for the Atwater Kent 70 series

KA

0

134

Mar Thu 15, 2018 8:02 pm

KA View the latest post

No unread posts What is this?

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Zenithman

20

2473

Mar Wed 14, 2018 8:36 pm

Bob Teeter View the latest post

No unread posts Need sub help- again

doc612

5

191

Mar Wed 14, 2018 6:34 pm

Norm Leal View the latest post

No unread posts Attachment(s) Amperite - Before I reinvent the wheel....

Robert Lozier

10

517

Mar Wed 14, 2018 4:10 pm

Chas View the latest post

No unread posts Attachment(s) Old bulb

fvan

17

623

Mar Wed 14, 2018 3:25 pm

35Z5 View the latest post

No unread posts Plug for wall wart socket.

dtvmcdonald

8

277

Mar Wed 14, 2018 2:29 pm

dtvmcdonald View the latest post

No unread posts Old tubes from Ebay . Transport issues ?

Mrbakelit

7

653

Mar Wed 14, 2018 8:24 am

Mrbakelit View the latest post

No unread posts proximity switches

thompsonwayne1

18

2073

Mar Tue 13, 2018 3:57 pm

geoorog View the latest post

No unread posts Attachment(s) Transformer- Motorola 25B21248

teranz

4

151

Mar Tue 13, 2018 12:36 pm

teranz View the latest post

No unread posts thousands of fasteners

glue_ru

0

235

Mar Tue 13, 2018 1:51 am

glue_ru View the latest post

No unread posts Attachment(s) Tung-Sol 4-3 Balloon tube

EX COT

10

603

Mar Mon 12, 2018 11:33 pm

Number 6 View the latest post

No unread posts How to identify dielectric material on modern film caps

trainman

13

449

Mar Mon 12, 2018 7:48 pm

pixellany View the latest post

No unread posts Imported EL-84 tubes NOT working??

Peter Bertini

11

359

Mar Mon 12, 2018 4:47 pm

Poston Drake View the latest post

No unread posts Back to the Future amp speaker

TPAairman

9

449

Mar Mon 12, 2018 4:12 am

db gain View the latest post

No unread posts Attachment(s) Is my new capacitor within tolerance?

grid2

4

393

Mar Mon 12, 2018 2:00 am

grid2 View the latest post

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