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Post New Topic  [ 3000 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6 ... 60  Next
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No unread posts An audio player for transmitters?

Mike Toon

15

850

Nov Wed 02, 2016 3:04 am

Mike Toon View the latest post

No unread posts Attachment(s) 80 meter AM transmitter with 1930 materials

nico

2

551

Nov Tue 01, 2016 10:01 pm

N0BST View the latest post

No unread posts Speaker impedance question

[ Go to pageGo to page: 1, 2 ]

Tube Radio

24

1133

Nov Tue 01, 2016 1:50 pm

wrnewton View the latest post

No unread posts 6BA6 data sheet question

michael w

6

455

Oct Sun 30, 2016 5:21 am

michael w View the latest post

No unread posts Attachment(s) Two Tube Regen Receiver

fifties

6

614

Oct Sat 29, 2016 3:20 am

fifties View the latest post

No unread posts Attachment(s) Magnetic loop and amplifier project

Radio Fixer

11

1136

Oct Fri 28, 2016 8:57 am

Radio Fixer View the latest post

No unread posts Attachment(s) meiser mertig coherer receiver

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nico

21

1565

Oct Wed 26, 2016 3:16 pm

nico View the latest post

No unread posts Phono preamp modification

Tube Radio

5

492

Oct Sun 23, 2016 11:05 pm

Tube Radio View the latest post

No unread posts Attachment(s) To choke or not to choke, that is the question

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allthumbs

24

1549

Oct Sat 22, 2016 9:26 pm

fifties View the latest post

No unread posts 6GY6 transmitter question

Tube Radio

10

618

Oct Sat 22, 2016 12:13 am

Tube Radio View the latest post

No unread posts Attachment(s) Cathode modulation

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

nico

49

2317

Oct Fri 21, 2016 6:25 am

BobWeaver View the latest post

No unread posts Attachment(s) 5 Tube "Beginners Superhet" Build

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

towble

80

4530

Oct Wed 19, 2016 10:48 pm

towble View the latest post

No unread posts Peerless A7 reproducer mod

Tube Radio

1

295

Oct Mon 17, 2016 12:18 pm

Tube Radio View the latest post

No unread posts 2 tube homebrew radio

Paul Knaack

12

1611

Oct Mon 17, 2016 12:13 pm

bill hamre View the latest post

No unread posts 6AU6 Transmitter

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

Terry Judkins

42

4539

Oct Mon 17, 2016 6:11 am

bill hamre View the latest post

No unread posts Attachment(s) My Marconi style magnetic detector WORKS!

Robert Lozier

12

1082

Oct Mon 17, 2016 1:13 am

Robert Lozier View the latest post

No unread posts Help Identifying One Tube Radio

Oldmaine

0

294

Oct Sun 16, 2016 5:23 pm

Oldmaine View the latest post

No unread posts Attachment(s) Crosley 66CS to a Fender 5C1 transformation?

ccomer1955

5

308

Oct Sun 16, 2016 3:18 am

Flipperhome View the latest post

No unread posts Biased diode detectors.

Felix

5

585

Oct Sat 15, 2016 10:36 pm

Frank512 View the latest post

No unread posts Calculating the tickler coil L

BakelitePete

2

310

Oct Sat 15, 2016 8:34 pm

BakelitePete View the latest post

No unread posts Attachment(s) 12 Volt EF97 shortwacve superhet

nico

3

343

Oct Fri 14, 2016 8:12 am

nico View the latest post

No unread posts Attachment(s) leds in parallel and switched NPN transistors

Betty99

7

573

Oct Fri 14, 2016 4:00 am

OldWireBender View the latest post

No unread posts Biasing A Diode Detector

Frank512

0

239

Oct Wed 12, 2016 4:50 am

Frank512 View the latest post

No unread posts Attachment(s) Radio converted to guitar amp?

k9uw

12

907

Oct Mon 10, 2016 12:05 am

BikenSwim View the latest post

No unread posts Adding a power supply to a battery powered circuit

ccomer1955

4

349

Oct Sat 08, 2016 1:40 am

Chas View the latest post

No unread posts Attachment(s) 6BK7-6DT6 BCB Transmitter

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

35Z5

77

8822

Oct Fri 07, 2016 4:14 am

Audioman View the latest post

No unread posts Attachment(s) Smartpone Speaker

[ Go to pageGo to page: 1, 2 ]

Flipperhome

26

3157

Oct Mon 03, 2016 5:38 am

hydrolisk1792 View the latest post

No unread posts Attachment(s) TNT, TGTP and Hartley self excited transmitters?

zarco

9

639

Oct Sun 02, 2016 4:09 pm

Radioroslyn View the latest post

No unread posts Motor speed control circuit design (video added)

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

1594

Sep Fri 30, 2016 1:15 am

Tube Radio View the latest post

No unread posts Attachment(s) Simple antenna tuner

tube42

13

811

Sep Thu 29, 2016 11:17 pm

aj2x View the latest post

No unread posts Attachment(s) field strength meter

anchorman

13

568

Sep Wed 28, 2016 11:29 pm

BobWeaver View the latest post

No unread posts Attachment(s) Infinite impedance detector radio project(s)...

[ Go to pageGo to page: 1, 2 ]

xrhonda91

26

5659

Sep Mon 26, 2016 8:57 am

Felix View the latest post

No unread posts Attachment(s) Uh-oh

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

Macrohenry

70

8383

Sep Sun 25, 2016 11:44 pm

Macrohenry View the latest post

No unread posts Attachment(s) Need simple tube audio amp circuit

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

ChrisRI

54

3012

Sep Sun 25, 2016 3:47 am

Tube Radio View the latest post

No unread posts Attachment(s) Flea Market Refugee Ham Station

Geoff Fors

14

1220

Sep Sun 18, 2016 3:33 am

aj2x View the latest post

This topic is locked, you cannot edit posts or make further replies. Attachment(s) Hammarlund SP-600 JX-17 HFO mod

Tube Radio

3

451

Sep Wed 14, 2016 5:33 pm

Tube Radio View the latest post

No unread posts Pam 29 build

archeus68

0

336

Sep Tue 13, 2016 5:01 am

archeus68 View the latest post

No unread posts Attachment(s) homebrew contest

[ Go to pageGo to page: 1 ... 10, 11, 12 ]

bill hamre

238

17858

Sep Fri 02, 2016 5:18 am

radiorich View the latest post

No unread posts Attachment(s) Converting an old VTVM Case into a Signal Tracer

[ Go to pageGo to page: 1, 2 ]

wrnewton

33

4990

Sep Thu 01, 2016 2:49 pm

wrnewton View the latest post

No unread posts Attachment(s) Homebrew headphones?

TDane

11

2767

Aug Wed 31, 2016 2:02 pm

HomebrewHeadphones View the latest post

No unread posts Attachment(s) Voltage circuit question

Tube Radio

5

540

Aug Fri 26, 2016 6:34 pm

Tube Radio View the latest post

No unread posts SSTRAN AMT3000 kit not working after assembly

Dylan Berichon

5

732

Aug Thu 25, 2016 10:34 am

wrnewton View the latest post

No unread posts Phone line antenna

[ Go to pageGo to page: 1, 2 ]

jimbob

20

1691

Aug Sat 20, 2016 1:47 pm

BlewMagikSmoak View the latest post

No unread posts Attachment(s) B+ options

Macrohenry

19

938

Aug Sat 20, 2016 4:07 am

Flipperhome View the latest post

No unread posts Attachment(s) TRF Tuner Project

[ Go to pageGo to page: 1, 2 ]

mbear2k

33

1598

Aug Fri 19, 2016 2:18 am

BobWeaver View the latest post

No unread posts Attachment(s) Mystery Radio Kit Need Help

[ Go to pageGo to page: 1, 2 ]

Radio-Parrot

21

1321

Aug Wed 17, 2016 10:15 pm

Tim Tress View the latest post

No unread posts Is it kit-worthy?

bill hamre

3

502

Aug Sat 13, 2016 6:25 pm

Norm Leal View the latest post

No unread posts Attachment(s) Neighbors using (LM386) tranceivers?

Mike Toon

11

1802

Aug Sat 13, 2016 5:56 pm

bill hamre View the latest post

No unread posts Attachment(s) How i can connect a ferrite core antenna

dimis

13

771

Aug Sun 07, 2016 6:08 am

LM386 View the latest post

No unread posts Attachment(s) Cigar Box Battery Portable

kc5gym

4

7392

Aug Sun 07, 2016 2:15 am

kc5gym View the latest post

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