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Post New Topic  [ 3003 topics ]  Go to page Previous  1, 2, 3, 4, 5 ... 61  Next
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No unread posts Attachment(s) MW Band Antenna

Ozo

3

447

Jan Sat 07, 2017 11:24 pm

Colin Ames View the latest post

No unread posts Attachment(s) Helping Hands

Ozo

4

399

Jan Tue 03, 2017 10:51 pm

Ozo View the latest post

No unread posts Attachment(s) Obtain a gain of 450 from one vacuum tube

flyboy71

8

619

Jan Mon 02, 2017 4:50 pm

dtvmcdonald View the latest post

No unread posts Sylvania RM-300X DIY cabinet + speaker build

Tube Radio

0

240

Jan Mon 02, 2017 1:44 am

Tube Radio View the latest post

No unread posts Attachment(s) Can Cap

N2LXM

2

334

Jan Sun 01, 2017 8:19 am

fifties View the latest post

No unread posts Attachment(s) 1 Tube preamp for AES 1 tube transmitter

andjones

3

349

Jan Sun 01, 2017 4:16 am

35Z5 View the latest post

No unread posts Attachment(s) The Hycas Circuit

J310

13

765

Dec Sat 31, 2016 3:05 pm

orbanp View the latest post

No unread posts Attachment(s) No schematic 1932 (?) GIBBS p-p 2A3, 2A5 driver, 56x2, 5Z3

slr

3

260

Dec Fri 30, 2016 3:47 am

Macrohenry View the latest post

No unread posts Attachment(s) Any neat ZN414 schematics out there?

BakelitePete

18

1054

Dec Thu 29, 2016 6:41 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Motor speed control circuit

Tube Radio

0

257

Dec Thu 29, 2016 1:57 pm

Tube Radio View the latest post

No unread posts Attachment(s) Voltage circuit design

[ Go to pageGo to page: 1, 2 ]

Tube Radio

31

896

Dec Wed 28, 2016 12:21 pm

Tube Radio View the latest post

No unread posts Internal antenna diable?

Ronniet

3

283

Dec Wed 28, 2016 2:35 am

Jim Mueller View the latest post

No unread posts Power supply for simple regen.

Deadshort

9

469

Dec Tue 27, 2016 4:35 pm

Deadshort View the latest post

No unread posts Attachment(s) Amp circuit (successfully fixed!!!)

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

Tube Radio

56

3202

Dec Mon 26, 2016 1:23 am

Tube Radio View the latest post

No unread posts Harmonics from AMT5000

lagert

5

333

Dec Fri 23, 2016 3:41 pm

Peter Bertini View the latest post

No unread posts Question About On/Off Function

J310

5

342

Dec Tue 20, 2016 12:47 am

BobWeaver View the latest post

No unread posts Attachment(s) Photo cell circuit to switch Malibu LEDs

Mike Toon

7

427

Dec Mon 19, 2016 12:58 am

Rich, W3HWJ View the latest post

No unread posts What is best to have HM 102 and HM 2102 or the HM 2140/41

Cadmandu

3

309

Dec Fri 16, 2016 11:50 pm

Cadmandu View the latest post

No unread posts Attachment(s) MK-484 radio (circuit help)

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

Tube Radio

71

4012

Dec Fri 16, 2016 4:43 pm

Tube Radio View the latest post

No unread posts Soldering a 3/32 SS welding rod into SO-239 cup

Cadmandu

6

429

Dec Fri 16, 2016 3:00 am

dtvmcdonald View the latest post

No unread posts Substitution for the 30 Triode?

AndyC

4

401

Dec Thu 15, 2016 6:47 pm

AndyC View the latest post

No unread posts Attachment(s) Favorite/best prototyping techniques for tubes

Alfredo_T

5

590

Dec Wed 14, 2016 1:57 am

N2LXM View the latest post

No unread posts Attachment(s) Doerle Regen Receiver Tube Conversion

Jbdkz

3

451

Dec Mon 12, 2016 2:17 am

shinkuukan View the latest post

No unread posts Attachment(s) Bluetooth FM Transmitter

Flipperhome

0

247

Dec Sun 11, 2016 6:25 am

Flipperhome View the latest post

No unread posts Attachment(s) Cheap Crystal Calibrator for your boatanchor

dtvmcdonald

2

350

Dec Sat 10, 2016 7:11 pm

dtvmcdonald View the latest post

No unread posts 1Hz timebase without IC's

[ Go to pageGo to page: 1, 2 ]

jdlahmann

23

1147

Dec Sat 10, 2016 6:09 am

threeneurons View the latest post

No unread posts Roller Inductor..?

Stan the Man

2

343

Dec Thu 08, 2016 6:44 pm

Stan the Man View the latest post

No unread posts Longest dx

jimbob

9

594

Dec Wed 07, 2016 6:23 pm

flyboy71 View the latest post

No unread posts Attachment(s) 6CL6 PP amp questions

Pbpix

8

546

Dec Mon 05, 2016 10:10 am

radiotechnician View the latest post

No unread posts Homebrew Hybrid

BakelitePete

10

705

Dec Thu 01, 2016 12:11 am

Jim Mueller View the latest post

No unread posts Attachment(s) Technical advice needed

[ Go to pageGo to page: 1, 2 ]

fifties

39

1616

Nov Wed 30, 2016 4:30 am

fifties View the latest post

No unread posts Schematic Diagram for a one tube Reflex Radio using a 117Z6

Coyotekid

4

463

Nov Sun 27, 2016 7:05 pm

Mike Toon View the latest post

No unread posts Attachment(s) Homebrew Isolation Transformer

[ Go to pageGo to page: 1, 2 ]

Macrohenry

36

2880

Nov Sun 27, 2016 5:59 pm

bill hamre View the latest post

No unread posts Attachment(s) Suggestions for receiver to build in a BCC-221-AK chassis?

BlewMagikSmoak

0

306

Nov Fri 25, 2016 2:51 am

BlewMagikSmoak View the latest post

No unread posts Attachment(s) Carrier-Current transmitter

[ Go to pageGo to page: 1, 2 ]

N2LXM

20

1205

Nov Wed 23, 2016 6:15 pm

Audioman View the latest post

No unread posts Apartment 40 M Antenna

Gary T. Lane

3

417

Nov Tue 22, 2016 3:45 am

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Favorite Homebrew A-B Power Supply

35Z5

5

740

Nov Sun 20, 2016 4:35 pm

Ozo View the latest post

No unread posts Attachment(s) 3 tube superhet

azenithnut

10

732

Nov Sat 19, 2016 7:16 pm

Audioman View the latest post

No unread posts Question about variable power supply using LM317T

jack.estes

9

691

Nov Fri 18, 2016 7:20 pm

jack.estes View the latest post

No unread posts Attachment(s) alternative material for breadboard construction

zarco

4

559

Nov Thu 17, 2016 12:41 pm

BlewMagikSmoak View the latest post

No unread posts Attachment(s) Home Brew Clock Radio With other freatures

[ Go to pageGo to page: 1, 2 ]

hydrolisk1792

34

2633

Nov Thu 17, 2016 5:54 am

hydrolisk1792 View the latest post

No unread posts Attachment(s) Modulator build

[ Go to pageGo to page: 1, 2 ]

Tube Radio

27

1905

Nov Wed 16, 2016 6:13 pm

Tube Radio View the latest post

No unread posts Switching several crystal oscillators question

Mike Toon

5

567

Nov Sat 12, 2016 1:08 am

Scot Armstrong View the latest post

No unread posts Attachment(s) Loop Antenna Capacitor in parallel wiring?

[ Go to pageGo to page: 1, 2 ]

Ronniet

24

1040

Nov Fri 11, 2016 1:35 am

BobWeaver View the latest post

No unread posts Attachment(s) Audio osc. problem

[ Go to pageGo to page: 1, 2 ]

allthumbs

22

827

Nov Thu 10, 2016 8:40 pm

allthumbs View the latest post

No unread posts Attachment(s) Need connections for LM317T as a 9 volt regulator

[ Go to pageGo to page: 1, 2 ]

Mr. Detrola

28

1457

Nov Thu 10, 2016 3:53 pm

dkjones96 View the latest post

No unread posts Attachment(s) Headphone OTL

Flipperhome

9

6917

Nov Thu 10, 2016 2:30 am

dkjones96 View the latest post

No unread posts QST DCS-500 COMMUNICATIONS RECEIVER

Michael Janis

6

850

Nov Thu 10, 2016 2:15 am

Tim Tress View the latest post

No unread posts Knob for my loop antenna

Ronniet

5

420

Nov Wed 09, 2016 9:49 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Complex Modern Communications Receiver

Geoff Fors

3

515

Nov Tue 08, 2016 6:32 am

Geoff Fors View the latest post

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