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Post New Topic  [ 3386 topics ]  Go to page 1, 2, 3, 4, 5 ... 68  Next
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No unread posts Attachment(s) RF choke in regen radio

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SkyKing

58

1062

Dec Sun 16, 2018 3:23 am

SkyKing View the latest post

No unread posts Attachment(s) Tim's AM tube transmitter build

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Madmurdok

57

4462

Dec Sun 16, 2018 12:36 am

BobWeaver View the latest post

No unread posts Attachment(s) Companion Receiver for Pineboard Project Part 2

Deadshort

2

105

Dec Sat 15, 2018 9:15 am

shinkuukan View the latest post

No unread posts Attachment(s) Speaker thump eliminator

Tube Radio

9

281

Dec Thu 13, 2018 1:23 pm

Tube Radio View the latest post

No unread posts Attachment(s) modulation transformers options

forumuser

9

248

Dec Wed 12, 2018 11:28 pm

Jim Mueller View the latest post

No unread posts AM Transmitter - Antenna

Whitexj94

6

174

Dec Mon 10, 2018 5:21 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) SW receiver options?

aurel

17

850

Dec Mon 10, 2018 10:47 am

aurel View the latest post

No unread posts Attachment(s) Help needed on ARBE circuits

Paul H

6

297

Dec Sat 08, 2018 2:40 am

CaveRat View the latest post

No unread posts Power supply question

Tube Radio

10

196

Dec Fri 07, 2018 4:18 pm

Tube Radio View the latest post

No unread posts 110V DC Power Plant

Hcompton79

8

195

Dec Fri 07, 2018 4:17 pm

Chas View the latest post

No unread posts New Band FM Receiver

azenithnut

3

178

Dec Fri 07, 2018 1:37 am

azenithnut View the latest post

No unread posts Attachment(s) Magic eye tube question

allthumbs

4

217

Dec Tue 04, 2018 9:43 pm

allthumbs View the latest post

No unread posts Attachment(s) A Deluxe Receiver for the DX Operator

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Norm Johnson

61

5759

Dec Tue 04, 2018 6:07 am

Norm Johnson View the latest post

No unread posts Help requested with a regenerative receiver

928GTS

6

337

Dec Tue 04, 2018 4:37 am

shinkuukan View the latest post

No unread posts FCC Part 15 FM

Rich, W3HWJ

6

498

Dec Sun 02, 2018 7:25 pm

Ken Doyle View the latest post

No unread posts Attachment(s) 807 Williamson amp

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john8750

1078

23867

Dec Sat 01, 2018 8:44 am

john8750 View the latest post

No unread posts Building the Stancor Williamson Amp: 807 PP

Greenhorn

10

1139

Nov Fri 30, 2018 4:32 am

Greenhorn View the latest post

No unread posts Attachment(s) Transistor Fifth Overtone Oscillator ?

Findm-Keepm

6

248

Nov Wed 28, 2018 2:08 pm

flyboy71 View the latest post

No unread posts Attachment(s) Stereo to Mono Adapter

Maraakate

12

4208

Nov Tue 27, 2018 12:42 am

westcoastjohn View the latest post

No unread posts Attachment(s) Solid state 1920's speaker amplifier revisited

Tube Radio

3

378

Nov Mon 26, 2018 2:58 pm

Tube Radio View the latest post

No unread posts Attachment(s) Simplest 1920s style homebrew radio?

keenmaster486

6

813

Nov Mon 26, 2018 11:48 am

High Tension View the latest post

No unread posts Push Pull output transformer

dan3460

3

209

Nov Sun 25, 2018 9:22 pm

n3uvt View the latest post

No unread posts MOSFET biasing question

TPAairman

15

524

Nov Sun 25, 2018 9:01 pm

OldWireBender View the latest post

Moved topic Attachment(s) Moved: Do you think there'd be a market for it?

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OldWireBender

37

939

Dec Tue 04, 2018 7:46 pm

radiotechnician View the latest post

No unread posts Attachment(s) The 6V6JV stereo amplifier

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john8750

159

6165

Nov Wed 21, 2018 10:15 pm

john8750 View the latest post

No unread posts anybody tried to build one?

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bill hamre

30

1268

Nov Wed 21, 2018 6:07 am

fifties View the latest post

No unread posts Attachment(s) Speed control circuit design

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Tube Radio

27

839

Nov Mon 19, 2018 10:28 pm

Tube Radio View the latest post

No unread posts Attachment(s) Determine (measure) inductor value and capacitor value

Bowlmaker

13

473

Nov Mon 19, 2018 1:48 pm

Bowlmaker View the latest post

No unread posts Stereo to mono balanced line mixer

Tube Radio

3

408

Nov Mon 19, 2018 4:44 am

Tube Radio View the latest post

No unread posts Attache' Transmitter, Transceiver Construction Article

Rosinator

9

459

Nov Mon 19, 2018 12:51 am

Rosinator View the latest post

No unread posts $5 FM transmitter covers several houses

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Mike Toon

27

1248

Nov Sun 18, 2018 2:51 am

Dave Doughty View the latest post

No unread posts frequency and efficiency of tube rf amps

forumuser

14

684

Nov Thu 15, 2018 3:29 am

forumuser View the latest post

No unread posts Attachment(s) An Interesting Stereo Amplifier

OldWireBender

3

367

Nov Mon 12, 2018 12:53 am

Flipperhome View the latest post

No unread posts eBay transmitter kits - wow!

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keenmaster486

43

1962

Nov Sat 10, 2018 11:15 pm

keenmaster486 View the latest post

No unread posts Attachment(s) Simple AM radio

Tube Radio

17

1042

Nov Sat 10, 2018 3:28 pm

transistor495 View the latest post

No unread posts Drilling chrome plate over stainless steel

avictor

5

315

Nov Fri 09, 2018 5:17 am

westcoastjohn View the latest post

No unread posts Attachment(s) VEC 1290k AM transmitter problems

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voroush

29

5156

Nov Thu 08, 2018 4:37 pm

Dare4444 View the latest post

No unread posts Build an FM radio with a LA-3361 chip Stereo Demodulator

transoceanic 8523

7

575

Nov Sun 04, 2018 8:55 am

transistor495 View the latest post

No unread posts Attachment(s) 6V6 SE HiFi amp (new project)

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Pbpix

649

23621

Nov Fri 02, 2018 5:46 pm

john8750 View the latest post

No unread posts Attachment(s) Wooden Base For Homebrew Projects

transoceanic 8523

7

693

Nov Fri 02, 2018 7:05 am

john8750 View the latest post

Moved topic Moved: Hallicrafters S-41W audio mods

Tube Radio

7

3307

Oct Mon 29, 2018 4:44 pm

Tube Radio View the latest post

No unread posts Attachment(s) Beat Frequency Osc diagram

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fifties

26

1190

Oct Fri 26, 2018 5:52 pm

LM386 View the latest post

No unread posts Attachment(s) Boost Transformer in Japan

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skywave-rider

22

2002

Oct Thu 25, 2018 12:05 am

Tom Bavis View the latest post

No unread posts Attachment(s) Cathode modulation

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nico

74

11759

Oct Wed 24, 2018 2:37 pm

Tube Radio View the latest post

No unread posts Attachment(s) CRT circuit

Tube Radio

0

296

Oct Fri 19, 2018 12:55 pm

Tube Radio View the latest post

No unread posts Attachment(s) Oscilloscope clock build

Tube Radio

11

720

Oct Thu 18, 2018 10:18 pm

Tube Radio View the latest post

No unread posts Attachment(s) Low Voltage Lead Acid Charge Indicator Circuit Suggestions

Hcompton79

15

796

Oct Thu 18, 2018 7:38 pm

OldWireBender View the latest post

No unread posts Attachment(s) Test probe circuit tester

Gary T. Lane

5

572

Oct Tue 16, 2018 7:27 am

vu2nan View the latest post

No unread posts Attachment(s) IEE one-plane readout clock

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50sTransistorRadios

52

2876

Oct Sat 13, 2018 5:27 pm

50sTransistorRadios View the latest post

No unread posts Attachment(s) Designing low voltage high current power supply

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SmoothOscillator

29

1252

Oct Sat 13, 2018 2:42 pm

SmoothOscillator View the latest post

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