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Alan Voorhees

2

11275

Oct Fri 07, 2022 7:49 pm

Peter Bertini View the latest post

No unread posts Attachment(s) If your account has been deactivated

Alan Voorhees

15

23513

Nov Sat 26, 2022 12:12 am

Scott View the latest post

Topics
No unread posts Common base RF amplifier - bias problem

Vintage A

11

458

Nov Sat 26, 2022 11:57 am

Vintage A View the latest post

No unread posts Attachment(s) Tube Based Phone Charger/Switch Mode PSU

tube42

8

223

Nov Sat 26, 2022 10:56 am

tube42 View the latest post

No unread posts Attachment(s) Led/Tube homebrew?

Rich, W3HWJ

14

413

Nov Sat 26, 2022 1:47 am

N2LXM View the latest post

No unread posts Attachment(s) Coil Winder Revisted

N2LXM

1

55

Nov Sat 26, 2022 12:11 am

Mike Yancey View the latest post

No unread posts Two P-P output transformers wired in parallel?

westcoastjohn

6

122

Nov Fri 25, 2022 7:41 pm

Tom Bavis View the latest post

No unread posts Ten-Tec 1054 regen receiver manual

Rich, W3HWJ

0

38

Nov Fri 25, 2022 5:19 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) TRF HOMEBREW RADIO

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ACORNVALVE

35

6132

Nov Thu 24, 2022 3:47 am

smithdoor View the latest post

No unread posts Attachment(s) Newbie request: an FM radio circuit that works well?

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hamlet

29

2566

Nov Tue 22, 2022 8:53 pm

mblack View the latest post

No unread posts Attachment(s) Alfred Morgan Two-tube Amp

radioman123

18

799

Nov Tue 22, 2022 6:46 pm

Alfredo_T View the latest post

No unread posts Attachment(s) 6GY6 two tube transmitter question

Tube Radio

13

1189

Nov Tue 22, 2022 5:44 pm

Tube Radio View the latest post

No unread posts Attachment(s) Future project AL 323B

err ducks

3

247

Nov Fri 18, 2022 7:08 pm

err ducks View the latest post

No unread posts Attachment(s) A simple, single-ended 6Y6 amplifier

Yote

9

527

Nov Fri 18, 2022 2:20 am

westcoastjohn View the latest post

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

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35Z5

51

42380

Nov Thu 17, 2022 1:40 pm

35Z5 View the latest post

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

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Blorpcandy

151

7930

Nov Wed 16, 2022 3:11 am

Blorpcandy View the latest post

No unread posts Radio dock build

Tube Radio

13

1073

Nov Tue 15, 2022 2:39 am

Tube Radio View the latest post

No unread posts AA8V Twinplex Vs. Dave Green 12AT7 Regen

signalcorpsoperator

16

11488

Nov Sat 12, 2022 3:10 am

shinkuukan View the latest post

No unread posts Attachment(s) Foxhole radio

jimbob

10

701

Nov Fri 11, 2022 7:18 pm

krystallo View the latest post

No unread posts Make your own tubes.

gabbyhayes

3

606

Nov Thu 10, 2022 5:49 am

elmenco View the latest post

No unread posts Attachment(s) Headphone B+ Voltage

radioman123

5

462

Nov Thu 10, 2022 2:03 am

radioman123 View the latest post

No unread posts Attachment(s) Line-in/Aux mini preamp?

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Maraakate

22

1245

Nov Fri 04, 2022 6:59 pm

radiorich View the latest post

No unread posts A great idea?

arianskre

8

797

Nov Fri 04, 2022 5:09 am

Radiosmoker View the latest post

No unread posts AK model 40 mod

Tube Radio

6

373

Nov Thu 03, 2022 9:50 pm

Tube Radio View the latest post

No unread posts RF output circuit

Vintage A

17

1137

Nov Wed 02, 2022 10:47 pm

Jim Mueller View the latest post

No unread posts Attachment(s) The Frank Jones "Super Gainer"

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allthumbs

39

3089

Nov Wed 02, 2022 3:55 am

allthumbs View the latest post

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

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Norm Johnson

112

42193

Oct Fri 28, 2022 6:54 pm

M1911A1 View the latest post

No unread posts Attachment(s) 1930s Homebrew Transmitter?

crm114

4

534

Oct Wed 26, 2022 11:52 pm

Chas View the latest post

No unread posts Electrically lengthen whip on part 15 transmitters?

Mike Toon

5

497

Oct Fri 21, 2022 5:00 am

vu2nan View the latest post

No unread posts Attachment(s) Limiter circuit design

Tube Radio

6

826

Oct Sun 16, 2022 9:45 am

ACORNVALVE View the latest post

No unread posts RF plate chokes

N0BST

10

923

Oct Sat 15, 2022 1:04 pm

infomet View the latest post

No unread posts Attachment(s) 2N3904 circuit

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Tube Radio

44

2645

Oct Thu 13, 2022 8:27 pm

Tube Radio View the latest post

No unread posts Attachment(s) 100TH transmitter

arianskre

11

904

Oct Wed 12, 2022 11:30 pm

infomet View the latest post

No unread posts Tight tube sockets

jimbob

3

687

Oct Wed 12, 2022 7:56 am

Jim Mueller View the latest post

No unread posts Outdoor FM Signal Booster

transistor495

6

611

Oct Tue 11, 2022 5:26 pm

Alfredo_T View the latest post

No unread posts Attachment(s) Tuneable frame antenna

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alpal

26

1785

Oct Mon 10, 2022 5:25 am

steveozz View the latest post

No unread posts Attachment(s) Graymark Crystal Radio modification

fifties

4

514

Oct Sat 08, 2022 11:45 pm

Scota4570 View the latest post

No unread posts Attachment(s) Changing input impedance on an amp?

Mike Toon

6

524

Oct Fri 07, 2022 1:53 am

battradio@ View the latest post

No unread posts Attachment(s) Resistance and wire heat

allthumbs

11

776

Oct Wed 05, 2022 5:36 pm

infomet View the latest post

No unread posts Attachment(s) Homemade coil forms from "hair curlers"

Hue Miller

8

709

Oct Wed 05, 2022 3:16 pm

err ducks View the latest post

No unread posts Attachment(s) Volume control setting vs. perceived loudness

allthumbs

5

528

Oct Sat 01, 2022 4:58 pm

BikenSwim View the latest post

No unread posts Attachment(s) Lyonodyne Xtal radio

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alpal

22

1667

Oct Sat 01, 2022 4:31 pm

alpal View the latest post

No unread posts Attachment(s) Tube IF transformers

dr pepper

16

3477

Oct Sat 01, 2022 12:57 pm

dr pepper View the latest post

No unread posts Attachment(s) Wideband RF choke for Medium Wave

Vintage A

15

1260

Sep Fri 30, 2022 11:17 am

Vintage A View the latest post

No unread posts Attachment(s) Macrohenry Transmitter Construction

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Macrohenry

148

10713

Sep Fri 30, 2022 1:21 am

radiorich View the latest post

No unread posts Attachment(s) Eldon crystal radio - need photo of label

Hue Miller

1

229

Sep Wed 28, 2022 4:29 am

vu2nan View the latest post

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

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Macrohenry

32

2534

Sep Tue 27, 2022 10:40 pm

Macrohenry View the latest post

No unread posts Bulletproof SS amplifier

arianskre

3

405

Sep Tue 27, 2022 11:01 am

ACORNVALVE View the latest post

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

N2LXM

3

439

Sep Mon 26, 2022 7:04 pm

Alfredo_T View the latest post

No unread posts Attachment(s) Shortwave pre-amplifier

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alpal

20

1387

Sep Sun 18, 2022 12:40 pm

alpal View the latest post

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

Dare4444

1

282

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

450

Sep Fri 16, 2022 1:08 am

Elvirafan View the latest post

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