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Post New Topic  [ 4069 topics ]  Go to page 1, 2, 3, 4, 5 ... 82  Next
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No unread posts Attachment(s) Battery Eliminator Problems

jimhounschell

7

55

Jan Mon 17, 2022 4:54 am

Usually Lurking View the latest post

No unread posts Attachment(s) Mystery Homebrew kluge

Max Brandt

4

75

Jan Sun 16, 2022 9:32 pm

Peter Bertini View the latest post

No unread posts Attachment(s) control amp for a 300B

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john8750

55

1041

Jan Sun 16, 2022 7:33 pm

john8750 View the latest post

No unread posts Attachment(s) Monitoring modulation

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boogieman

32

11303

Jan Sun 16, 2022 2:34 am

Kevin Kuehn View the latest post

No unread posts Attachment(s) fox hole radio

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jimbob

29

5245

Jan Sun 16, 2022 1:47 am

mrx View the latest post

No unread posts Attachment(s) Allied knight crystal radio

mrx

8

155

Jan Sat 15, 2022 10:40 pm

hwhall View the latest post

No unread posts Magnavox CR-198C console upgrades

Tube Radio

0

31

Jan Sat 15, 2022 7:09 pm

Tube Radio View the latest post

No unread posts Attachment(s) 5DEP1 scope clock revisited

Tube Radio

0

55

Jan Fri 14, 2022 11:10 pm

Tube Radio View the latest post

No unread posts Attachment(s) Adding Bluetooth to a couple of my Vintage AM Radios

spfenn

8

281

Jan Fri 14, 2022 1:54 pm

Dave Doughty View the latest post

No unread posts Attachment(s) Battery Eliminator

amyotte

17

391

Jan Fri 14, 2022 12:10 am

ballroad View the latest post

No unread posts Attachment(s) Triple Frequency XTAL CD4011 oscillator Idea

Dare4444

2

150

Jan Thu 13, 2022 5:42 pm

Dare4444 View the latest post

No unread posts Heathkit K-1 coil information

Jim Mueller

4

125

Jan Thu 13, 2022 12:03 am

Jim Mueller View the latest post

No unread posts Attachment(s) Another Regen radio project

ballroad

4

183

Jan Wed 12, 2022 5:51 pm

err ducks View the latest post

No unread posts Attachment(s) Modeling transformer windings in LTSpice

Macrohenry

3

167

Jan Sat 08, 2022 11:33 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Solid State Transformer Substitute: Update

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JnTX

29

7901

Jan Fri 07, 2022 11:25 pm

allthumbs View the latest post

No unread posts Attachment(s) Looking for two beta testers for AM Transmitter

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Macrohenry

96

5846

Jan Fri 07, 2022 6:55 pm

processhead View the latest post

No unread posts Attachment(s) Power supply question

Tube Radio

4

211

Jan Fri 07, 2022 1:50 pm

Tube Radio View the latest post

No unread posts Ukraine headphones

jimbob

3

300

Jan Thu 06, 2022 4:23 pm

battradio@ View the latest post

No unread posts Attachment(s) Analog computer calculating efficiency using tubes?

arianskre

10

298

Jan Thu 06, 2022 5:22 am

BobWeaver View the latest post

No unread posts Attachment(s) Simple modulated crystal controlled 455 kHz oscillator...

xrhonda91

17

7640

Jan Wed 05, 2022 4:13 pm

Dare4444 View the latest post

No unread posts Attachment(s) Marantz T1........well sorta anyway

archeus68

4

382

Jan Tue 04, 2022 11:08 pm

DrRick View the latest post

Moved topic Moved: YAESU FT-891 NOISE BLANKER GOOD or BAD ?

Frank512

1

118

Jan Tue 04, 2022 6:15 am

Macrohenry View the latest post

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

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Pbpix

682

116318

Jan Mon 03, 2022 10:42 pm

john8750 View the latest post

No unread posts Attachment(s) A Transmitter Circuit Using a 6CQ8 (or 6U8A or 6GH8A)

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BobWeaver

77

26685

Jan Mon 03, 2022 6:33 am

BobWeaver View the latest post

No unread posts Attachment(s) Home-made freq counter & RF-generator unit for AM BCB radios

xrhonda91

6

669

Jan Sat 01, 2022 5:36 pm

xrhonda91 View the latest post

No unread posts Attachment(s) 6GY6 transmitter mod

Tube Radio

2

204

Dec Fri 31, 2021 3:53 am

Tube Radio View the latest post

No unread posts Attachment(s) Homebrew Electrostatic TV Set.

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ACORNVALVE

24

5303

Dec Fri 31, 2021 1:40 am

ACORNVALVE View the latest post

No unread posts Attachment(s) Redesigning/Improving the Talking House Transmitter

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cc333

57

2888

Dec Fri 31, 2021 12:03 am

Tube Radio View the latest post

No unread posts Attachment(s) Single ended 6L6 amplifier

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Erich Loepke

20

4692

Dec Thu 30, 2021 12:48 am

ACORNVALVE View the latest post

Moved topic Moved: Vint. 6V/80 A Alternator

Harold Wright

12

581

Jan Sun 02, 2022 12:44 am

SHOVELHEAD TOO View the latest post

No unread posts small directional antenna for outside RFI hunt

forumuser

12

535

Dec Tue 28, 2021 5:07 pm

LM386 View the latest post

No unread posts Attachment(s) Wiring a kit/homebrew?

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Govee

34

1745

Dec Tue 28, 2021 1:28 am

Govee View the latest post

No unread posts Attachment(s) Crystal radio

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Chriscrosley1

44

2291

Dec Mon 27, 2021 4:31 pm

Macrohenry View the latest post

No unread posts Attachment(s) RF switchmode amplifiers PDF

Dare4444

10

545

Dec Sat 25, 2021 8:50 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Legally exceeding the 100mW limit, is this a loop hole?

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Dare4444

49

2218

Dec Sat 25, 2021 6:32 pm

Mike Toon View the latest post

No unread posts Attachment(s) Help With Radio Power Supply

Fordman

14

896

Dec Fri 24, 2021 10:45 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Microcontroller Based Signal Generator

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louhaskell

227

79251

Dec Mon 20, 2021 10:20 pm

BobWeaver View the latest post

No unread posts Converting fada 44 into bluetooth

Progman22

3

185

Dec Mon 20, 2021 8:39 pm

FStephenMasek View the latest post

No unread posts Attachment(s) Electrostatic CRT deflection circuit

Tube Radio

17

1057

Dec Mon 20, 2021 8:35 pm

Tube Radio View the latest post

No unread posts Long over due / forgotten projects

N2LXM

4

529

Dec Mon 20, 2021 4:43 am

BikenSwim View the latest post

No unread posts general output wattage of antique radios?

sat159p1

3

353

Dec Sun 19, 2021 3:38 am

battradio@ View the latest post

No unread posts Attachment(s) Home made ultradyne

AlekZ

9

739

Dec Sat 18, 2021 10:33 pm

AlekZ View the latest post

No unread posts Attachment(s) Possible audio amp build - need transformer help please

TV MAN

16

902

Dec Sat 18, 2021 3:12 pm

Tim Tress View the latest post

No unread posts Chassis punches

jimbob

9

845

Dec Thu 16, 2021 7:24 am

Mr. Detrola View the latest post

No unread posts Attachment(s) Part 15 frustration possible solution?

Macrohenry

11

853

Dec Wed 15, 2021 4:01 pm

forumuser View the latest post

No unread posts Attachment(s) PWM AM exciter. Should work!!

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Dare4444

33

1773

Dec Mon 13, 2021 9:41 pm

Dare4444 View the latest post

No unread posts Attachment(s) "Hum" noise in transmitter When listening to it on AM radio

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sv3ora

21

1897

Dec Mon 13, 2021 9:35 pm

Mike Toon View the latest post

No unread posts One Transistor Superhet

transistor495

3

481

Dec Tue 07, 2021 6:20 pm

KB4QAA View the latest post

No unread posts Attachment(s) Can someone help me identify this?

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robroot61

35

2299

Dec Thu 02, 2021 12:33 pm

robroot61 View the latest post

No unread posts Attachment(s) Does anyone have the schematic for the Tom Kipgen radio

mrx

11

927

Nov Mon 29, 2021 9:08 pm

Dave Schmarder View the latest post

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