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

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xrhonda91

27

9794

Aug Wed 16, 2017 10:21 am

Felix View the latest post

No unread posts Advice for 1930s receiver/af transformer

Bridkarl

0

415

Aug Wed 16, 2017 3:05 am

Bridkarl View the latest post

No unread posts Attachment(s) Modulator build

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Tube Radio

31

5159

Aug Wed 16, 2017 1:46 am

Tube Radio View the latest post

No unread posts Attachment(s) LM386N MK-XI BCB Transmitter

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35Z5

920

123468

Aug Tue 15, 2017 4:52 pm

Tube Radio View the latest post

No unread posts Attachment(s) 2N3904 Driving an LM386 Audio Amp Working Kinda

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ab5ni

34

2353

Aug Mon 14, 2017 3:08 am

ab5ni View the latest post

No unread posts Attachment(s) Xentek power supply

orbanp

17

1648

Aug Mon 14, 2017 12:56 am

Leigh View the latest post

No unread posts Bluetooth receiver to Phono Input on Wards Airline 94BR-1535

itek4bux

7

1076

Aug Sat 12, 2017 6:54 am

itek4bux View the latest post

No unread posts Attachment(s) Building a battery operated 3 valve receiver

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R93847

24

7622

Aug Fri 11, 2017 7:55 am

BobWeaver View the latest post

No unread posts Attachment(s) Multilayer, tapped air coil calculator

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DaveInNC

28

1697

Aug Thu 10, 2017 12:08 am

OldWireBender View the latest post

No unread posts Attachment(s) Farm Radio Power Supply

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SakanaLuvr

24

1905

Aug Tue 08, 2017 6:13 am

SakanaLuvr View the latest post

No unread posts Teardrop Inductors/Chokes

ab5ni

5

653

Aug Tue 08, 2017 3:14 am

ab5ni View the latest post

No unread posts Attachment(s) amplifier circuit question

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spider89119

41

2172

Aug Tue 08, 2017 12:37 am

Jim Mueller View the latest post

No unread posts Attachment(s) RF amp tube to detector tube coupling question

lennyshere

9

989

Aug Mon 07, 2017 10:58 pm

lennyshere View the latest post

No unread posts Attachment(s) radiorich's 5902 amp feb20 update

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radiorich

202

17459

Aug Sun 06, 2017 8:42 pm

john8750 View the latest post

No unread posts Attachment(s) Transformer question

Tube Radio

11

1036

Aug Sat 05, 2017 4:36 pm

Tube Radio View the latest post

No unread posts Making a really high 'Q' coil for my MK484 AM tuner.

Felix

7

857

Aug Sat 05, 2017 3:18 am

OldWireBender View the latest post

No unread posts Attachment(s) FM direct conversion radio

andreidaniel

4

1759

Aug Fri 04, 2017 11:18 pm

aurel View the latest post

No unread posts Attachment(s) AM loop antenna/signals from God

Unbias

4

818

Aug Wed 02, 2017 4:27 am

Dutch Rabbit View the latest post

No unread posts Attachment(s) The MK484 as a high quality AM tuner.

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Felix

75

5890

Jul Sat 29, 2017 8:58 pm

ab5ni View the latest post

No unread posts Attachment(s) homebrew contest

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bill hamre

253

32236

Jul Sat 29, 2017 2:54 pm

bill hamre View the latest post

No unread posts Attachment(s) Temple radio

tjugofyra

4

687

Jul Fri 28, 2017 3:05 pm

tjugofyra View the latest post

No unread posts using a VFO, for Part 15's?

Toad

15

3071

Jul Thu 27, 2017 3:03 pm

KG7M View the latest post

No unread posts Attachment(s) Does Anyone Play With Old Parts and Tubes for RF Amps?

infomet

17

1299

Jul Thu 27, 2017 2:57 am

infomet View the latest post

No unread posts Attachment(s) Speed circuit

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Tube Radio

43

2967

Jul Wed 26, 2017 5:22 pm

Tube Radio View the latest post

No unread posts Attachment(s) Utmost Frugality Electronics

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ab5ni

23

2098

Jul Wed 26, 2017 3:28 pm

Dennis H. View the latest post

No unread posts Attachment(s) Adding AFC to FM tuner without it

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Tube Radio

57

4728

Jul Wed 26, 2017 4:59 am

Tube Radio View the latest post

No unread posts FM de-emphasis circuit

Tube Radio

0

324

Jul Tue 25, 2017 12:19 am

Tube Radio View the latest post

No unread posts Telsa Talisman 308U

itek4bux

3

450

Jul Fri 21, 2017 11:40 pm

Flipperhome View the latest post

No unread posts Attachment(s) Tuning capacitor question

michael w

13

1238

Jul Thu 20, 2017 8:36 am

michael w View the latest post

No unread posts new to old FM band converter

N0BST

1

562

Jul Thu 20, 2017 3:47 am

dtvmcdonald View the latest post

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

Tube Radio

4

680

Jul Wed 19, 2017 3:07 am

Tube Radio View the latest post

No unread posts Attachment(s) Speaker question

Tube Radio

10

955

Jul Wed 19, 2017 12:53 am

radiotechnician View the latest post

No unread posts Battery Regeneration, DIY Open source, overnight results.

Protofabtt

0

498

Jul Wed 12, 2017 6:34 pm

Protofabtt View the latest post

No unread posts Attachment(s) Longest dx

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jimbob

51

6113

Jul Wed 12, 2017 7:47 am

fifties View the latest post

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

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Pbpix

2159

142362

Jul Tue 11, 2017 9:30 pm

Pbpix View the latest post

No unread posts Attachment(s) Building a 6LE8 Transmitter

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gtrkid

22

3854

Jul Mon 10, 2017 7:11 pm

bill hamre View the latest post

No unread posts Attachment(s) PRINCELY PAUPER

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john8750

1486

59910

Jul Mon 10, 2017 3:05 am

john8750 View the latest post

No unread posts Making a Loudspeaker voice coil - YouTube video

Chas

1

488

Jul Mon 10, 2017 1:30 am

ab5ni View the latest post

No unread posts I want to try this ribbon microphone build

FreeElectron

0

403

Jul Sun 09, 2017 11:58 am

FreeElectron View the latest post

No unread posts How does Li'l 7 AM Broadcast Transmitter work

Radiator

13

1743

Jul Sat 08, 2017 3:30 pm

bill hamre View the latest post

No unread posts Attachment(s) RCA SHF-3 Amp Project Done

Dutch Rabbit

12

1351

Jul Fri 07, 2017 2:34 am

Dutch Rabbit View the latest post

No unread posts Attachment(s) Minimal Part Count Audio Amp For a Xtal Set

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ab5ni

29

2163

Jul Thu 06, 2017 3:52 pm

ab5ni View the latest post

No unread posts Attachment(s) Help w/ West H-122 conversion

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westcoastjohn

25

1876

Jul Tue 04, 2017 6:02 pm

Tube Radio View the latest post

No unread posts Attachment(s) Adding a Counterpoise to Pocket Radios

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ab5ni

89

5076

Jul Sun 02, 2017 9:17 pm

Pbpix View the latest post

No unread posts How about a transmitter using a 6BE7 ?

Audioman

7

950

Jun Fri 30, 2017 1:17 am

azenithnut View the latest post

No unread posts Attachment(s) DIY benchtop power supply for AC and DC

jack.estes

2

635

Jun Tue 27, 2017 12:44 am

Tkilboy View the latest post

No unread posts current amplifier for meter substitution

Peter Bertini

8

865

Jun Fri 23, 2017 4:13 pm

Usually Lurking View the latest post

No unread posts Attachment(s) Building My Dream Rig

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ab5ni

20

1696

Jun Wed 21, 2017 8:25 pm

ab5ni View the latest post

No unread posts GFCI In A Bucking Transformer

Spykeismycat

2

672

Jun Sat 17, 2017 3:48 am

westcoastjohn View the latest post

No unread posts Attachment(s) WesKit Radio

wa8dof

12

4298

Jun Fri 16, 2017 3:32 pm

Realistic View the latest post

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