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Alan Voorhees

0

2746

Sep Tue 06, 2022 4:44 am

Alan Voorhees View the latest post

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Alan Voorhees

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9378

Aug Fri 05, 2022 2:25 am

ttx450cap View the latest post

Topics
No unread posts Attachment(s) Simple Three Tube Stereo Amplifier May Need Another Tube

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Blorpcandy

36

887

Sep Sun 25, 2022 12:20 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Signal Generator Add-On for Macrohenry Transmitter

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Macrohenry

31

1624

Sep Sun 25, 2022 12:54 am

Colin Ames View the latest post

No unread posts Attachment(s) RF Pre-Amp Circuit

N2LXM

2

92

Sep Sat 24, 2022 3:44 pm

RetireeJay View the latest post

No unread posts Attachment(s) 2N3904 circuit

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Tube Radio

30

770

Sep Thu 22, 2022 8:43 pm

Tube Radio View the latest post

No unread posts Attachment(s) Macrohenry Transmitter Construction

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Macrohenry

143

7910

Sep Wed 21, 2022 11:21 pm

Macrohenry View the latest post

No unread posts Wideband RF choke for Medium Wave

Vintage A

13

603

Sep Tue 20, 2022 11:53 am

Vintage A View the latest post

No unread posts Attachment(s) Shortwave pre-amplifier

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alpal

20

835

Sep Sun 18, 2022 12:40 pm

alpal View the latest post

No unread posts Attachment(s) Lyonodyne Xtal radio

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alpal

20

969

Sep Sat 17, 2022 6:05 pm

alpal View the latest post

No unread posts Attachment(s) 15KHz to 160MHz PLL in 5KHz steps

Dare4444

1

139

Sep Sat 17, 2022 6:57 am

Dare4444 View the latest post

No unread posts Attachment(s) Printed Circuit AA5 based on GE 414 dial beam

Flinx

2

283

Sep Fri 16, 2022 1:08 am

Elvirafan View the latest post

No unread posts Attachment(s) Does Anyone Have Information About theradioboard.com?

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LM386

21

3219

Sep Tue 13, 2022 11:05 am

alpal View the latest post

No unread posts Attachment(s) FM mono circuit.

Tube Radio

5

431

Sep Tue 13, 2022 3:28 am

Tube Radio View the latest post

No unread posts Attachment(s) Tuneable frame antenna

alpal

10

520

Sep Tue 13, 2022 1:29 am

krystallo View the latest post

No unread posts Norms 12K5

jimbob

3

474

Sep Mon 12, 2022 4:09 pm

jimbob View the latest post

No unread posts Attachment(s) Commercially Designed Part 15 AM Transmitter

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Jthorusen

40

10506

Sep Mon 12, 2022 11:58 am

End80 View the latest post

No unread posts Attachment(s) Homemade 5 transistor AM superhet

szoftveres

7

371

Sep Mon 12, 2022 4:02 am

szoftveres View the latest post

No unread posts Attachment(s) Scope clock ground issue

Tube Radio

4

287

Sep Fri 09, 2022 7:11 pm

Tube Radio View the latest post

No unread posts Attachment(s) Lil 7 not working

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Blake M

24

1613

Sep Fri 09, 2022 3:48 pm

35Z5 View the latest post

No unread posts Attachment(s) Panel and dial experiments

Macrohenry

3

362

Sep Wed 07, 2022 1:32 pm

ACORNVALVE View the latest post

No unread posts Extremely simple crystal radio

arianskre

16

1313

Sep Tue 06, 2022 9:56 am

alpal View the latest post

No unread posts Attachment(s) The Macrohenrydyne

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Macrohenry

26

3243

Sep Sun 04, 2022 8:00 pm

LM386 View the latest post

No unread posts Attachment(s) DIY radio construction projects

Rich, W3HWJ

5

800

Sep Sun 04, 2022 5:04 am

arianskre View the latest post

No unread posts Preamp build

Tube Radio

2

229

Sep Sat 03, 2022 5:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) Why does my crystal radio design work?

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6tom

20

2154

Sep Fri 02, 2022 9:34 am

JGTubeamps View the latest post

No unread posts Tight tube sockets

jimbob

1

247

Aug Mon 29, 2022 4:07 pm

flyboy71 View the latest post

No unread posts Attachment(s) Adjustable frequency toroid?

Mike Toon

13

1207

Aug Sun 28, 2022 11:36 am

qmavam View the latest post

No unread posts Attachment(s) FM tuner not work properly

aurel

14

884

Aug Sun 28, 2022 11:01 am

aurel View the latest post

No unread posts Attachment(s) Mic pre-amp ideas?

GuitarDick

4

585

Aug Tue 23, 2022 7:33 pm

Alfredo_T View the latest post

No unread posts Attachment(s) Need help identifying

robroot61

19

1834

Aug Tue 23, 2022 5:12 pm

robroot61 View the latest post

No unread posts Attachment(s) RF Preamp

YukonTV

9

855

Aug Sun 21, 2022 4:26 am

ACORNVALVE View the latest post

No unread posts Attachment(s) Push pull 6V6 amp

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Tube Radio

29

1315

Aug Sun 14, 2022 4:46 am

Tube Radio View the latest post

No unread posts Attachment(s) Zenith console mod question

Tube Radio

7

2442

Aug Fri 12, 2022 11:48 pm

Tube Radio View the latest post

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

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Macrohenry

101

13356

Aug Wed 10, 2022 6:49 pm

gearhead222 View the latest post

No unread posts Mgnavox FM tuner modification

Tube Radio

3

559

Aug Mon 01, 2022 7:57 am

Tube Radio View the latest post

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

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35Z5

48

40751

Jul Fri 29, 2022 8:29 pm

skywave View the latest post

No unread posts Attachment(s) Macrohenry Transmitter Components

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processhead

74

6043

Jul Thu 28, 2022 8:47 pm

Macrohenry View the latest post

No unread posts Attachment(s) Home-made analog FET milli-Volt meter project...

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xrhonda91

31

3464

Jul Wed 27, 2022 3:14 am

radiorich View the latest post

No unread posts Attachment(s) Does anyone recognize the circuit in this device?

ampstamp88

4

593

Jul Sun 24, 2022 3:31 pm

ampstamp88 View the latest post

No unread posts Attachment(s) Ordering PCBs: Part 15 PLL Synthesized Transmitter Board

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Macrohenry

147

10867

Jul Fri 22, 2022 3:22 am

ChrisW6ATV View the latest post

No unread posts Attachment(s) UX 240 Detectors

crm114

11

924

Jul Sun 17, 2022 11:10 pm

jrehkopf View the latest post

No unread posts Radio Dial Reduction drives ("vernier")

Rich, W3HWJ

1

388

Jul Sat 16, 2022 9:39 am

ACORNVALVE View the latest post

No unread posts Tubes and magnetic fields

Brian VE7JKZ

7

636

Jul Wed 13, 2022 10:22 pm

BikenSwim View the latest post

No unread posts Silicon point contact diode

Vintage A

15

848

Jul Wed 13, 2022 7:14 pm

Vintage A View the latest post

No unread posts Attachment(s) perturb and observe home brew circuit

rchiapparelli

7

894

Jul Tue 12, 2022 11:22 am

richfair View the latest post

No unread posts Attachment(s) Hat Radio replica

jtn050

18

1282

Jul Tue 12, 2022 6:55 am

Jim Mueller View the latest post

No unread posts Attachment(s) Sansui 4000 volume/tone control board mods

Tube Radio

2

297

Jul Sat 09, 2022 3:01 pm

Tube Radio View the latest post

No unread posts Attachment(s) Crystal radio phasing

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Mike Toon

23

1342

Jul Fri 08, 2022 2:04 pm

processhead View the latest post

No unread posts Attachment(s) Telephone Interface Suggestions Sought

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telegrapher

26

1948

Jul Fri 01, 2022 4:41 am

Usually Lurking View the latest post

No unread posts Attachment(s) JFET Testing and Matching

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Frank512

28

2072

Jun Thu 30, 2022 7:38 pm

OldWireBender View the latest post

No unread posts Attachment(s) Winding Antenna Coils

crm114

5

847

Jun Mon 27, 2022 6:14 pm

err ducks View the latest post

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