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Post New Topic  [ 2163 topics ]  Go to page Previous  1, 2, 3, 4, 5 ... 44  Next
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No unread posts Attachment(s) Kitchin regen parts question

allthumbs

12

461

Mar Wed 27, 2013 1:33 am

threeneurons View the latest post

No unread posts Attachment(s) FM pre-emphasis

Flipperhome

14

404

Mar Wed 27, 2013 12:39 am

Flipperhome View the latest post

No unread posts Attachment(s) Do-It-Yourself "Patriot" Radio

Robert H.

6

565

Mar Tue 26, 2013 1:15 pm

krystallo View the latest post

No unread posts Beginners first receiver not working

Deadshort

18

946

Mar Sat 23, 2013 12:41 pm

Nando1937 View the latest post

No unread posts Attachment(s) DIY amp with ECC83 and 6L6 tubes

[ Go to pageGo to page: 1, 2, 3 ]

an2727

59

1612

Mar Fri 22, 2013 4:25 pm

an2727 View the latest post

No unread posts Attachment(s) Help understanding Constant Current Source biasing

Pbpix

19

796

Mar Fri 22, 2013 5:34 am

Pbpix View the latest post

No unread posts Attachment(s) Régénérative receiver

Tech

13

473

Mar Thu 21, 2013 11:24 pm

Tech View the latest post

No unread posts Anyone have a 1920s one tube shortwave schematic?

Radiosmarts1234

3

352

Mar Thu 21, 2013 3:36 am

Indiana Radios View the latest post

No unread posts Success on first Xtal radio- but measurement??

A A Kent

1

227

Mar Sun 17, 2013 6:17 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Bucking Transformer / Home Brew

[ Go to pageGo to page: 1, 2 ]

Rich, W3HWJ

24

916

Mar Sun 17, 2013 5:00 pm

Leigh View the latest post

No unread posts schematics needed for a simple amplifier ?

cadlac84

15

329

Mar Sun 17, 2013 6:39 am

Flipperhome View the latest post

No unread posts Attachment(s) The 'arguably' 100 mW Beamus AM Broadcaster

[ Go to pageGo to page: 1, 2, 3 ]

Flipperhome

42

2590

Mar Sat 16, 2013 10:19 pm

Flipperhome View the latest post

No unread posts Attachment(s) Inverter for replacing a B+ battery

[ Go to pageGo to page: 1, 2 ]

georgesgiralt

21

961

Mar Thu 14, 2013 9:12 pm

dkjones96 View the latest post

No unread posts My Coil Winder

Dennis H.

5

507

Mar Wed 13, 2013 6:50 pm

dkjones96 View the latest post

No unread posts Homewinding an iso transformer?

TDane

5

334

Mar Wed 13, 2013 4:30 pm

TDane View the latest post

No unread posts Attachment(s) Any homebrew FM transmitter projects?

[ Go to pageGo to page: 1, 2 ]

keithostertag

20

481

Mar Wed 13, 2013 2:57 am

BobWeaver View the latest post

No unread posts Attachment(s) small rivets- sourcing and such

N0BST

9

286

Mar Mon 11, 2013 5:48 pm

keithostertag View the latest post

No unread posts amplifier build

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

664

Mar Sun 10, 2013 7:23 pm

Tube Radio View the latest post

No unread posts Attachment(s) 300kHz reciever

dkjones96

18

1158

Mar Fri 08, 2013 9:11 pm

dkjones96 View the latest post

No unread posts Xtal radio detector diodes- source?

A A Kent

13

569

Mar Mon 04, 2013 5:24 pm

dkjones96 View the latest post

No unread posts kt88 amp....

Toad

1

259

Mar Mon 04, 2013 7:30 am

battradio@ View the latest post

No unread posts How do design a safe power supply? (For a RAL-7 receiver)

Radiosmarts1234

6

435

Mar Sun 03, 2013 1:01 am

N0BST View the latest post

No unread posts Software Based Audio Processor for Radio Transmitters

Usually Lurking

17

386

Mar Fri 01, 2013 8:34 am

Flipperhome View the latest post

No unread posts Reducing thickness of PVC pipe yields Q=3

A A Kent

17

669

Feb Thu 28, 2013 6:24 pm

A A Kent View the latest post

No unread posts Attachment(s) First HB 6V6 Rig..So Far...So Gud

W2CKL

12

705

Feb Thu 28, 2013 4:58 pm

bill hamre View the latest post

No unread posts How to replace a triode with a transistor

RCAProduction

4

426

Feb Tue 26, 2013 12:55 am

kx4om View the latest post

Moved topic Moved: What kind of tube is this?

tjugofyra

1

342

Feb Tue 26, 2013 12:49 am

Rich, W3HWJ View the latest post

No unread posts Attachment(s) 9LO2i CRT Oscilloscope Display Tube Help

Zero-Cool

6

341

Feb Mon 25, 2013 8:37 am

sebastiant View the latest post

No unread posts Trying my hand at a superhet

towble

9

732

Feb Mon 25, 2013 6:54 am

toobs View the latest post

No unread posts Attachment(s) Intriguing MP3 module for AM transmitter (also FM)

[ Go to pageGo to page: 1 ... 4, 5, 6 ]

rocketeer

104

6754

Feb Fri 22, 2013 7:24 pm

BobWeaver View the latest post

No unread posts Simplest AA5 Possible

Robert H.

14

563

Feb Thu 21, 2013 4:13 am

fifties View the latest post

No unread posts Knight-Kit AM Transmitter

FStephenMasek

19

1298

Feb Wed 20, 2013 8:29 pm

bill hamre View the latest post

No unread posts Attachment(s) Need help with TRF homebrew wiring

Danl'

5

257

Feb Wed 20, 2013 6:35 pm

Danl' View the latest post

No unread posts Help with Lil7 AM Transmitter

[ Go to pageGo to page: 1, 2 ]

Stan Saeger

33

1399

Feb Wed 20, 2013 3:58 pm

35Z5 View the latest post

No unread posts Attachment(s) Johnny Novice Ocean Hopper HB

W2CKL

5

442

Feb Mon 18, 2013 12:56 am

W2CKL View the latest post

No unread posts speaker design question

Tube Radio

10

367

Feb Sun 17, 2013 12:02 am

Tube Radio View the latest post

No unread posts Source for aluminum coil housing canisters?

Big Nick

5

466

Feb Fri 15, 2013 12:52 am

Burnt Fingers View the latest post

No unread posts Can it be this simple?

Deadshort

4

673

Feb Thu 14, 2013 6:21 am

err ducks View the latest post

No unread posts Attachment(s) 1929 Regen

stevef

13

609

Feb Wed 13, 2013 8:17 pm

W7TFO View the latest post

No unread posts Attachment(s) ARRL One Tube Transmitter for 80 meter band plus Demo Video

[ Go to pageGo to page: 1, 2 ]

random73

23

1225

Feb Sun 10, 2013 7:55 pm

kx4om View the latest post

No unread posts Attachment(s) Power supply question

[ Go to pageGo to page: 1, 2, 3 ]

allthumbs

41

1135

Feb Mon 04, 2013 5:26 am

allthumbs View the latest post

No unread posts The large and the small of it...

BigBandsMan

2

360

Feb Sun 03, 2013 12:46 am

BigBandsMan View the latest post

No unread posts Sylvania RM-300X mods (alignment question)

[ Go to pageGo to page: 1, 2, 3, 4 ]

Tube Radio

72

1416

Jan Thu 31, 2013 2:13 pm

Tube Radio View the latest post

No unread posts Nice tube/hybrid radio kits

gearhead222

0

335

Jan Thu 31, 2013 8:49 am

gearhead222 View the latest post

No unread posts Power Supply Zener Diodes

[ Go to pageGo to page: 1, 2, 3 ]

Ed Kraushar

42

903

Jan Thu 31, 2013 8:38 am

Pbpix View the latest post

No unread posts Attachment(s) Computer Speaker (Audio Amp)

kona

3

531

Jan Mon 28, 2013 3:11 am

kona View the latest post

No unread posts Building 1956 video preamp for RCA CT-100 TV

philsoldradios

18

1671

Jan Wed 23, 2013 9:00 pm

philsoldradios View the latest post

No unread posts 18" Hoop Tuned Antenna

Flinx

6

422

Jan Mon 21, 2013 3:42 am

Ed Jacobs View the latest post

No unread posts Loop antenna question about interference

Flinx

3

274

Jan Sun 20, 2013 3:49 am

Flinx View the latest post

No unread posts Attachment(s) BCB xtl oscillators, wide f range

[ Go to pageGo to page: 1, 2 ]

TDane

23

1069

Jan Sat 19, 2013 11:51 pm

BobWeaver View the latest post

Post New Topic  [ 2163 topics ]  Go to page Previous  1, 2, 3, 4, 5 ... 44  Next

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