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Post New Topic  [ 3174 topics ]  Go to page 1, 2, 3, 4, 5 ... 64  Next
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No unread posts Attachment(s) A new 300B amp project

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john8750

1916

26444

Dec Sun 17, 2017 8:25 am

Flipperhome View the latest post

No unread posts Attachment(s) Help with this Theremin project...

Tkilboy

5

51

Dec Sun 17, 2017 6:45 am

BobWeaver View the latest post

No unread posts Attachment(s) AM transmitter options?

Rich K.

15

444

Dec Sun 17, 2017 4:49 am

Joezenithman View the latest post

No unread posts Attachment(s) Can you use a voltage doubler to run a farm tube radio?

Kennynva

15

387

Dec Sat 16, 2017 8:25 pm

fifties View the latest post

No unread posts Attachment(s) Need pass transistor test jig

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Southerner

22

1292

Dec Sat 16, 2017 1:47 am

radiotechnician View the latest post

No unread posts 6SN7 - 6V6 Amp Question

Mike Toon

3

129

Dec Fri 15, 2017 2:43 pm

orbanp View the latest post

No unread posts Interesting way to feed audio to part 15 transmitters

Tube Radio

2

108

Dec Fri 15, 2017 12:38 pm

Tube Radio View the latest post

No unread posts Lots of speakers?

FreeElectron

9

233

Dec Fri 15, 2017 1:50 am

westcoastjohn View the latest post

No unread posts Designing bench ABC eliminator, What outputs required?

JohnSchw

6

263

Dec Thu 14, 2017 3:43 am

targeteye View the latest post

No unread posts Attachment(s) Deciphering Zenith amp schematic for aux

Hutchcmu

6

171

Dec Tue 12, 2017 2:46 pm

Hutchcmu View the latest post

No unread posts Pi Network on line calculator? Enter any values...

Peter Bertini

0

93

Dec Tue 12, 2017 4:41 am

Peter Bertini View the latest post

No unread posts Minimal build `386 transmitter

Mike Toon

4

241

Dec Mon 11, 2017 3:08 am

Tube Radio View the latest post

No unread posts Attachment(s) I must be crazy!

battery-maker

8

486

Dec Sun 10, 2017 11:27 pm

battery-maker View the latest post

No unread posts Attachment(s) Chassis work source?

N0BST

5

468

Dec Sun 10, 2017 5:45 am

melw44 View the latest post

No unread posts Attachment(s) Power Transformer Wiring for Amplifier Kit

Jamiecj5

7

244

Dec Sun 10, 2017 2:50 am

Jamiecj5 View the latest post

No unread posts Radio build question!

DragCat352

9

372

Dec Sat 09, 2017 4:27 pm

Mr. Detrola View the latest post

No unread posts Sylvania RM-300X output mod

Tube Radio

0

56

Dec Fri 08, 2017 10:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) AM transmitter prototype

Erich Loepke

11

433

Dec Thu 07, 2017 7:41 pm

BobWeaver View the latest post

No unread posts Attachment(s) What is the 'best sounding' simple solid state AM detector?

Felix

3

273

Dec Thu 07, 2017 7:04 pm

BobWeaver View the latest post

No unread posts Attachment(s) Collins R-390 solid state regulator (problem)

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Tube Radio

58

1847

Dec Thu 07, 2017 6:46 pm

Tube Radio View the latest post

No unread posts Attachment(s) WALFORDS REGEN TRF

KB3BYT

18

672

Dec Thu 07, 2017 7:37 am

LM386 View the latest post

No unread posts Attachment(s) Simple Tesla coil

Number 6

7

535

Dec Thu 07, 2017 7:16 am

Number 6 View the latest post

No unread posts Attachment(s) Filter cap size on a homebrew b plus power supply

ballroad

12

585

Dec Mon 04, 2017 4:00 am

KA8GEF View the latest post

No unread posts When the broadcast station has a 'problem'.

Felix

7

547

Dec Sun 03, 2017 7:03 pm

Dale H. Cook View the latest post

No unread posts Attachment(s) Class E transmitter with $12 MW Frequency Synthesizer

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Macrohenry

32

1231

Dec Sat 02, 2017 5:11 am

Macrohenry View the latest post

No unread posts Champeg guitar amp build

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mrriggs

20

851

Nov Wed 29, 2017 10:17 pm

mrriggs View the latest post

No unread posts Attachment(s) Doctor's office radio

fifties

3

416

Nov Tue 28, 2017 11:52 pm

Colin Ames View the latest post

No unread posts Attachment(s) Crystal oscillator question

allthumbs

8

335

Nov Mon 27, 2017 9:39 pm

dtvmcdonald View the latest post

No unread posts Attachment(s) Templates For Drilling Speaker Grill Holes?

Frank512

9

285

Nov Mon 27, 2017 1:59 am

Frank512 View the latest post

No unread posts Why not a PWM xmtr project?

Alan

7

401

Nov Mon 27, 2017 12:43 am

BobWeaver View the latest post

No unread posts 80 meter band loop antenna

neutronic

0

205

Nov Sun 26, 2017 11:42 pm

neutronic View the latest post

No unread posts Attachment(s) Stereo Transmitters

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kc5gym

56

2573

Nov Tue 21, 2017 11:57 am

kc5gym View the latest post

No unread posts 10DE7 tube

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Tube Radio

53

1590

Nov Mon 20, 2017 2:26 am

35Z5 View the latest post

No unread posts Three different 6888 & 6GY6 xmitt versions...

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35Z5

33

18481

Nov Sun 19, 2017 4:33 pm

j8000 View the latest post

No unread posts long wire antenna and metal roof question ?

knox

4

353

Nov Sun 19, 2017 8:44 am

battradio@ View the latest post

No unread posts Attachment(s) How to build this Philmore Crystal Kit?

mdulleck

13

511

Nov Fri 17, 2017 7:59 pm

fifties View the latest post

No unread posts Introduction/transmitter schematic location for 6888

j8000

3

259

Nov Thu 16, 2017 3:52 pm

j8000 View the latest post

This topic is locked, you cannot edit posts or make further replies. RIP SSTrans AMT3000

ekimetsok

3

387

Nov Wed 15, 2017 4:10 pm

Eickerman View the latest post

No unread posts Megadyne and other questions

philwashere

14

3818

Nov Wed 15, 2017 6:18 am

Norm_N_Tam View the latest post

No unread posts Speaker field coil power supply

Ed Jacobs

19

586

Nov Mon 13, 2017 1:49 pm

Tube Radio View the latest post

No unread posts Determining the Mix/type of an Unknown Toroid

ab5ni

6

883

Nov Sun 12, 2017 4:20 am

OldWireBender View the latest post

No unread posts Attachment(s) Looking for suggestions on my Halli S-38A

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allthumbs

22

2301

Nov Sun 12, 2017 1:28 am

allthumbs View the latest post

No unread posts Attachment(s) EL 504 single tube FM band transmitter

dimis

6

413

Nov Sat 11, 2017 5:17 am

Jim Mueller View the latest post

No unread posts Computer Power Supplies and Powering Homebrew Stuff

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ab5ni

32

2307

Nov Fri 10, 2017 4:25 am

SmoothOscillator View the latest post

No unread posts load line calculation questions

lennyshere

13

514

Nov Tue 07, 2017 9:04 pm

Peter Bertini View the latest post

No unread posts BEST GRID LEAK CAPACITOR & RESISTOR OPINIONS

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johnamery

22

8132

Nov Mon 06, 2017 3:06 pm

infzqi View the latest post

No unread posts Attachment(s) Motor experiment

Tube Radio

10

1389

Nov Mon 06, 2017 11:21 am

Tube Radio View the latest post

No unread posts Help ID this 3 chassis 19 tube homebrew MONSTER..

Primitiveradiogod

11

1119

Nov Sun 05, 2017 6:09 pm

dtvmcdonald View the latest post

No unread posts Attachment(s) Built LM386's Regen He Posted

ab5ni

10

927

Nov Sun 05, 2017 3:13 pm

J310 View the latest post

No unread posts Attachment(s) RF amplifier for low voltage vacuum tube raython 6418

KARLTON

3

326

Nov Thu 02, 2017 6:14 am

LM386 View the latest post

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