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No unread posts Attachment(s) First time crystal radio build

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whfh99

29

460

Apr Fri 16, 2021 3:27 am

fifties View the latest post

No unread posts Attachment(s) Looking for Project: Have PP 5k Pri Output Xfrmr

Greenhorn

6

219

Apr Fri 16, 2021 3:11 am

Cheeseburger View the latest post

No unread posts Wouldn't it be nice

jimbob

6

358

Apr Tue 13, 2021 10:36 pm

Usually Lurking View the latest post

No unread posts Attachment(s) Homebuild Reinartz tuner amp.

beast775

15

273

Apr Tue 13, 2021 3:55 pm

Chas View the latest post

No unread posts A New $5 circuit for an AM Modulator and Generator

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louhaskell

21

826

Apr Mon 12, 2021 2:02 am

richfair View the latest post

No unread posts Part15 sheet beam transmitter

Audioman

5

292

Apr Sun 11, 2021 11:17 pm

BobWeaver View the latest post

No unread posts Attachment(s) Construction 3 tubes Audion 1923, all concert, patent Audion

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yan_sk

27

1458

Apr Sat 10, 2021 9:15 am

yan_sk View the latest post

No unread posts Attachment(s) Assistance requested with a superhet build.

928GTS

9

1539

Apr Thu 08, 2021 12:27 am

shinkuukan View the latest post

No unread posts Attachment(s) Richfair's am transmitter build

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richfair

39

2115

Apr Wed 07, 2021 8:19 pm

Dare4444 View the latest post

No unread posts Attachment(s) Antique Wireless Assoc. AM tx board

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Rich, W3HWJ

46

3469

Apr Wed 07, 2021 9:17 am

hwhall View the latest post

Moved topic Moved: 42IF transformers source

Rich, W3HWJ

4

302

Apr Thu 08, 2021 5:09 pm

Rich, W3HWJ View the latest post

No unread posts TR SWITCH BUILD

HAMmer

2

284

Apr Fri 02, 2021 1:06 pm

HAMmer View the latest post

No unread posts Slope detection of broadcast FM?

928GTS

15

700

Apr Thu 01, 2021 5:13 pm

mblack View the latest post

No unread posts Attachment(s) Historical Radio Society AM TX

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ACORNVALVE

24

1417

Mar Tue 30, 2021 8:39 pm

bb.odin View the latest post

No unread posts Attachment(s) 365 pf alternative - can you translate this listing?

Robert Lozier

1

275

Mar Tue 30, 2021 12:01 am

egg View the latest post

No unread posts Attachment(s) Most sensitive(power efficient) small loudspeaker in 1930s

Robert Lozier

15

811

Mar Sun 28, 2021 2:57 am

Robert Lozier View the latest post

No unread posts Attachment(s) Crystal based AM Transmitter with 2n7000

Dare4444

2

395

Mar Sat 27, 2021 11:29 am

Dare4444 View the latest post

No unread posts Attachment(s) J310 mixer and SSB

Dare4444

2

343

Mar Fri 26, 2021 3:55 am

Dare4444 View the latest post

No unread posts Attachment(s) 3-channel Am Transmitter 1mhz 3mhz 5mhz $16

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Mike Toon

22

4522

Mar Thu 25, 2021 11:48 am

Tube Radio View the latest post

No unread posts Attachment(s) Simple DSB transceiver.

Dare4444

10

487

Mar Tue 23, 2021 7:12 pm

Dare4444 View the latest post

No unread posts Attachment(s) AM transmitter prototype

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Erich Loepke

32

9534

Mar Tue 23, 2021 4:54 pm

ai6vx View the latest post

No unread posts Attachment(s) CD4007 single chip 3-21 MHz DC RX

Dare4444

13

380

Mar Tue 23, 2021 6:38 am

Dare4444 View the latest post

No unread posts Attachment(s) How to simulate basic radio circuits

Radiator

13

531

Mar Sun 21, 2021 5:48 pm

anchorman View the latest post

No unread posts Attachment(s) Tuned loop Am antenna

drworry

17

1000

Mar Thu 18, 2021 4:53 am

tomb123 View the latest post

No unread posts Attachment(s) rf chokes

jimbob

18

940

Mar Thu 18, 2021 4:47 am

Dare4444 View the latest post

No unread posts Attachment(s) 3RP1 Based TV Set

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IlikeTech

108

2797

Mar Thu 18, 2021 12:09 am

ACORNVALVE View the latest post

No unread posts Attachment(s) LM386N MK-XI BCB Transmitter

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35Z5

1035

282121

Mar Sun 14, 2021 11:22 pm

hwhall View the latest post

No unread posts Attachment(s) Help needed CD4053 specs

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Dare4444

81

3296

Mar Fri 12, 2021 11:20 pm

Dare4444 View the latest post

No unread posts Attachment(s) first amp to build 6v6 with 6sn7

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j8000

40

4732

Mar Fri 12, 2021 9:36 pm

j8000 View the latest post

No unread posts Attachment(s) Design Help for 304TL Tube Tesla Coil

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Loose_coupler

24

1105

Mar Thu 11, 2021 3:08 am

Duane B View the latest post

No unread posts Talking House 5.0 audio overload and hum/buzz

Kramden66

3

329

Mar Wed 10, 2021 11:35 pm

Kramden66 View the latest post

No unread posts Attachment(s) Homebrew mono audio amp project - Push Pull 6V6 - 12AU7

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black85vette

72

2513

Mar Tue 09, 2021 4:50 pm

John Bartley View the latest post

This topic is locked, you cannot edit posts or make further replies. Attachment(s) richfair's am transmitter

richfair

12

3688

Mar Mon 08, 2021 1:26 am

Peter Bertini View the latest post

No unread posts Pine Board to Chassis Conversion

Loose_coupler

2

411

Mar Sun 07, 2021 7:39 pm

Rich, W3HWJ View the latest post

No unread posts You can Use One Watt AM & It Is Legal

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Audioman

26

1829

Mar Sun 07, 2021 3:11 am

Jim Mueller View the latest post

No unread posts Attachment(s) Three different 6888 & 6GY6 xmitt versions...

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35Z5

42

32901

Mar Sat 06, 2021 4:00 pm

anchorman View the latest post

No unread posts Attachment(s) High Voltage Transistor Inverter (Help Needed)

RCAProduction

19

978

Mar Wed 03, 2021 10:00 am

ACORNVALVE View the latest post

No unread posts Using a Aeriola Senior Coil for a Regular Crystal Radio

MonkeyPaws

8

391

Feb Sun 28, 2021 7:30 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Type 50 push-pull schematic

FStephenMasek

4

402

Feb Sun 28, 2021 3:59 am

FStephenMasek View the latest post

No unread posts Attachment(s) Capacitive Discharge "Blasting Machine"

RCAProduction

9

667

Feb Sat 27, 2021 5:00 am

Usually Lurking View the latest post

No unread posts Attachment(s) AM Transmitter schematic

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jim campbell

25

5141

Feb Thu 25, 2021 2:03 pm

sleepycat View the latest post

No unread posts Attachment(s) Deflection amp build

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Tube Radio

28

1014

Feb Wed 24, 2021 2:40 pm

Tube Radio View the latest post

No unread posts Attachment(s) i4004 Clock

jsweinrich

8

445

Feb Tue 23, 2021 6:40 am

jsweinrich View the latest post

No unread posts Tone control for homebrew audio - line level

black85vette

4

312

Feb Mon 22, 2021 11:20 pm

black85vette View the latest post

No unread posts Attachment(s) 4004 Tic Tac Toe

jsweinrich

0

228

Feb Mon 22, 2021 4:49 pm

jsweinrich View the latest post

No unread posts Attachment(s) Discrete FSK modulator/demodulator

sv3ora

5

340

Feb Fri 19, 2021 3:16 am

aa1ww View the latest post

No unread posts Attachment(s) Converting 42-50FM to 88-108FM

FStephenMasek

17

866

Feb Thu 18, 2021 6:25 pm

szoftveres View the latest post

No unread posts Attachment(s) Projection clock project - seeking some advice

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thermactor

28

1261

Feb Mon 15, 2021 4:33 pm

battery-maker View the latest post

No unread posts Attachment(s) Looking for simple CW encoder and decoder projects

sv3ora

12

515

Feb Sat 13, 2021 6:49 pm

mblack View the latest post

No unread posts found this great website

mrx

1

666

Feb Fri 12, 2021 7:24 pm

Colin Ames View the latest post

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