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No unread posts Attachment(s) Popular Electronics 1955. Build a 1 Tube Radio 1D8-GT

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transoceanic 8523

25

2615

Feb Sun 04, 2018 1:05 pm

tubeAMP View the latest post

No unread posts Attachment(s) 6888 transmitter and FM MP3 Player

Ed Kraushar

4

466

Feb Sat 03, 2018 10:06 pm

Ed Kraushar View the latest post

No unread posts Two tube transmitter question

Tube Radio

15

838

Feb Sat 03, 2018 2:11 pm

Tube Radio View the latest post

No unread posts Attachment(s) AM Transmitter - - Any Good?

SparkyDan

11

875

Feb Fri 02, 2018 10:10 pm

atwaterkent1 View the latest post

No unread posts Attachment(s) Coil winding machines

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Norm Johnson

24

1526

Jan Wed 31, 2018 2:57 am

Norm Johnson View the latest post

No unread posts Attachment(s) 6V6 / 6AQ5 PP Stereo Amp

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Pbpix

2164

171396

Jan Wed 31, 2018 1:03 am

Pbpix View the latest post

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

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Southerner

23

2584

Jan Tue 30, 2018 5:23 pm

Southerner View the latest post

No unread posts Attachment(s) Ramsey FM transmitter noise

Captainquad

10

1977

Jan Sun 28, 2018 10:45 pm

Captainquad View the latest post

No unread posts Attachment(s) Tube Only Color Organ

threeneurons

9

653

Jan Sat 27, 2018 7:15 am

threeneurons View the latest post

No unread posts Attachment(s) 5 Tube Regen

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tjugofyra

25

1668

Jan Fri 26, 2018 9:01 am

shinkuukan View the latest post

No unread posts AM Transmitter Design Using AD811

Macrohenry

1

312

Jan Thu 25, 2018 5:09 am

richfair View the latest post

No unread posts The latest unique regen HB

zarco

7

731

Jan Sat 20, 2018 4:00 pm

zarco View the latest post

No unread posts Attachment(s) Simple modulated crystal controlled 455 kHz oscillator...

xrhonda91

6

4135

Jan Thu 18, 2018 2:08 am

xrhonda91 View the latest post

No unread posts Attachment(s) Pulse Counting FM2 receiver

aurel

9

642

Jan Sat 13, 2018 6:31 pm

LM386 View the latest post

No unread posts Attachment(s) I need a data sheet

michael w

4

411

Jan Thu 11, 2018 8:48 am

michael w View the latest post

No unread posts Attachment(s) Unused transformer secondary ... bucking transformer?

Diverted

2

471

Jan Thu 11, 2018 5:05 am

Chris108 View the latest post

No unread posts Attachment(s) Stereo Transmitters

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kc5gym

71

5015

Jan Wed 10, 2018 10:03 pm

kc5gym View the latest post

No unread posts 10DE7 tube

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Tube Radio

55

3044

Jan Tue 09, 2018 7:53 pm

Tube Radio View the latest post

No unread posts Attachment(s) Boost Transformer in Japan

skywave-rider

19

884

Jan Tue 09, 2018 2:01 pm

shinkuukan View the latest post

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

Felix

9

1149

Jan Sun 07, 2018 4:16 pm

35Z5 View the latest post

No unread posts Schematics for my ARF BCB1 Modular Transmitter

boogieman

7

445

Jan Sun 07, 2018 8:30 am

boogieman View the latest post

No unread posts Attachment(s) DIY magnet recharger

Tube Radio

14

974

Jan Sun 07, 2018 2:18 am

Chas View the latest post

No unread posts Minimal build `386 transmitter

Mike Toon

19

1358

Jan Sun 07, 2018 12:35 am

wazz View the latest post

No unread posts Attachment(s) Lots of speakers?

FreeElectron

14

966

Jan Fri 05, 2018 5:25 am

K9DXL View the latest post

No unread posts Attachment(s) Small RF amp for signal generator

black85vette

3

551

Jan Fri 05, 2018 3:20 am

westcoastjohn View the latest post

No unread posts Attachment(s) Finding IF and tuned LC circuit frequencies

black85vette

3

437

Jan Thu 04, 2018 5:33 pm

N2LXM View the latest post

No unread posts Attachment(s) Chassis work source?

N0BST

16

1235

Jan Thu 04, 2018 11:55 am

Arnie-AE View the latest post

No unread posts 9KC6 Transmitter

35Z5

2

378

Jan Wed 03, 2018 10:26 pm

35Z5 View the latest post

No unread posts Attachment(s) AM, BCB design questions

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zarco

47

1951

Jan Mon 01, 2018 8:02 pm

35Z5 View the latest post

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

Peter Bertini

2

451

Dec Sat 30, 2017 4:05 am

Avery View the latest post

No unread posts Attachment(s) AM transmitter options?

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Rich K.

20

1502

Dec Thu 28, 2017 11:42 pm

Rosinator View the latest post

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

Felix

7

1010

Dec Thu 28, 2017 2:19 am

wazz View the latest post

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

battery-maker

11

1260

Dec Wed 27, 2017 3:14 am

Robert Lozier View the latest post

No unread posts 3:1 interstage transformers?

benman94

7

624

Dec Sun 24, 2017 11:53 pm

benman94 View the latest post

No unread posts good low voltage dc-dc converter

forumuser

1

457

Dec Fri 22, 2017 6:26 pm

Tube Radio View the latest post

No unread posts Attachment(s) Magnavox CR-198C upgrade

Tube Radio

5

1171

Dec Fri 22, 2017 3:51 pm

Tube Radio View the latest post

No unread posts using battery banks in in series and parallel

KARLTON

6

562

Dec Fri 22, 2017 2:34 am

VEK View the latest post

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

Tube Radio

3

477

Dec Tue 19, 2017 3:01 am

Tube Radio View the latest post

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

Hutchcmu

7

558

Dec Tue 19, 2017 12:23 am

Hutchcmu View the latest post

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

Kennynva

18

2395

Dec Mon 18, 2017 11:54 pm

Rich, W3HWJ View the latest post

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

Tkilboy

10

477

Dec Mon 18, 2017 2:31 am

Jim Mueller View the latest post

No unread posts 6SN7 - 6V6 Amp Question

Mike Toon

3

2763

Dec Fri 15, 2017 2:43 pm

orbanp View the latest post

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

JohnSchw

6

594

Dec Thu 14, 2017 3:43 am

targeteye View the latest post

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

Jamiecj5

7

606

Dec Sun 10, 2017 2:50 am

Jamiecj5 View the latest post

No unread posts Radio build question!

DragCat352

9

738

Dec Sat 09, 2017 4:27 pm

Mr. Detrola View the latest post

No unread posts Sylvania RM-300X output mod

Tube Radio

0

201

Dec Fri 08, 2017 10:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) WALFORDS REGEN TRF

KB3BYT

18

1466

Dec Thu 07, 2017 7:37 am

LM386 View the latest post

No unread posts Attachment(s) Simple Tesla coil

Number 6

7

1060

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

1054

Dec Mon 04, 2017 4:00 am

KA8GEF View the latest post

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

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Macrohenry

32

2173

Dec Sat 02, 2017 5:11 am

Macrohenry View the latest post

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