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No unread posts Tarnished Silver as a Crystal Radio Detector

vu2nan

1

46

Aug Thu 22, 2019 1:09 pm

Findm-Keepm View the latest post

No unread posts Attachment(s) Circuit question

Tube Radio

14

489

Aug Thu 22, 2019 3:55 am

Danfosqbob View the latest post

No unread posts Attachment(s) Balanced audio mod

Tube Radio

18

815

Aug Thu 22, 2019 12:19 am

Tube Radio View the latest post

Moved topic Attachment(s) Moved: 7 Tube Ham Receiver

WS1K

11

337

Aug Thu 22, 2019 12:53 am

shinkuukan View the latest post

No unread posts A Chance Crystal Radio Project

vu2nan

0

109

Aug Tue 20, 2019 6:28 am

vu2nan View the latest post

No unread posts Attachment(s) Vectronics AM Transmitter, Need assistance

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ff4312

29

1166

Aug Tue 20, 2019 5:39 am

Dare4444 View the latest post

No unread posts Attachment(s) Part 15 medium wave transmitter tank design

infzqi

9

365

Aug Mon 19, 2019 1:04 am

Jim Mueller View the latest post

No unread posts Attachment(s) How about this 6L6 amplifier

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

FStephenMasek

64

3569

Aug Sun 18, 2019 11:23 pm

FStephenMasek View the latest post

No unread posts A most Pleasurable Amp SE6v6

Pbpix

5

374

Aug Fri 16, 2019 2:21 am

Audioman View the latest post

No unread posts Attachment(s) High voltage supply / Modulato

Y2KEDDIE

9

364

Aug Wed 14, 2019 5:39 am

Y2KEDDIE View the latest post

No unread posts Weak 45 triode tester

classicelectronicsguy

10

540

Aug Sun 11, 2019 3:01 am

AuroraOldRadios View the latest post

No unread posts Attachment(s) Type 42 push pull amplifier help

Michiganamps

10

408

Aug Thu 08, 2019 7:56 pm

westcoastjohn View the latest post

No unread posts I just built a simple gadget .Guess what the 5 parts are.

radiotechnician

3

394

Aug Thu 08, 2019 2:45 am

radiotechnician View the latest post

No unread posts Attachment(s) First tube radio [WIP]

Chryseus

6

746

Aug Wed 07, 2019 8:47 pm

SkyKing View the latest post

No unread posts Attachment(s) 6888 transmitter.

mustagcoupe

11

934

Aug Tue 06, 2019 3:04 pm

infzqi View the latest post

No unread posts Attachment(s) Single ended 6L6 amplifier

Erich Loepke

17

896

Aug Sun 04, 2019 10:26 pm

Michiganamps View the latest post

No unread posts Attachment(s) Electroluminescent panel lighting

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Tube Radio

37

1086

Jul Tue 30, 2019 5:45 pm

Macrohenry View the latest post

Moved topic Moved: Bill Hamre has passed away

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bill hamre

26

1646

Aug Tue 06, 2019 11:47 am

Tube Radio View the latest post

No unread posts Graymark 512

wa6zfm

2

322

Jul Tue 23, 2019 9:11 pm

fifties View the latest post

No unread posts Ampex output transformers for DIY amp build

madlabs

9

579

Jul Tue 23, 2019 3:18 pm

madlabs View the latest post

No unread posts Attachment(s) This kid paid attention in shop class...

decotronix

7

955

Jul Tue 23, 2019 6:18 am

BobWeaver View the latest post

No unread posts Subminiature Pentode and Dual Triode Transceiver

RCAProduction

3

324

Jul Mon 22, 2019 3:31 am

wazz View the latest post

No unread posts Fringe howl and grid leak resistors.

Rob Lenski

9

2454

Jul Thu 18, 2019 8:18 pm

infzqi View the latest post

No unread posts Attachment(s) LED power light causing 2mHz interference?

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tbone8

20

679

Jul Wed 17, 2019 2:31 pm

khutch View the latest post

No unread posts Colpitts Oscillator Tesla Coil

Tube_Enthusiast

4

364

Jul Mon 15, 2019 10:54 pm

Rich, W3HWJ View the latest post

No unread posts magnet re-magnitizer question

Tube Radio

13

685

Jul Thu 11, 2019 11:21 am

Tube Radio View the latest post

No unread posts Attachment(s) untuned rf amplifier for a regen receiver

williampage

5

440

Jul Mon 08, 2019 5:15 pm

Scot Armstrong View the latest post

No unread posts Attachment(s) One Tube Receiver

[ Go to pageGo to page: 1, 2 ]

Als_Basement

20

1248

Jul Mon 08, 2019 4:04 pm

Olden Broak View the latest post

No unread posts Attachment(s) 30 dB Gain Broadband Amp

[ Go to pageGo to page: 1, 2 ]

Macrohenry

22

917

Jul Mon 08, 2019 12:03 am

Macrohenry View the latest post

No unread posts Attachment(s) Small tube amp

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mustagcoupe

40

953

Jul Sat 06, 2019 4:46 am

westcoastjohn View the latest post

No unread posts What to do with two transformers?

FStephenMasek

2

439

Jul Fri 05, 2019 1:47 am

radiotechnician View the latest post

No unread posts Attachment(s) Eye tube circuit

Tube Radio

6

359

Jul Wed 03, 2019 7:05 pm

Tube Radio View the latest post

No unread posts The Simplex X Super (clever design)

10.7Megahertz

2

424

Jul Tue 02, 2019 11:55 am

battery-maker View the latest post

No unread posts Zenith K731 Refurbish - Update! (GIANT PHOTOS)

tfest

2

397

Jun Fri 28, 2019 5:46 pm

Tube Radio View the latest post

No unread posts Attachment(s) DC SW RECEIVER

aurel

6

627

Jun Thu 27, 2019 5:33 pm

aurel View the latest post

No unread posts Anyone here used an arduino and/or raspberry pi for a radio?

Keeta

12

719

Jun Thu 27, 2019 10:57 am

eduardoa View the latest post

No unread posts Attachment(s) Direct conversion receiver tips?

[ Go to pageGo to page: 1, 2 ]

zarco

23

1326

Jun Tue 25, 2019 1:58 am

avictor View the latest post

No unread posts Attachment(s) LOW NOISE SW REGEN RECEIVER

aurel

0

283

Jun Mon 24, 2019 6:41 pm

aurel View the latest post

Moved topic Attachment(s) Moved: octal equivelent to a 12AT7 tube?

williampage

8

962

Jul Sat 13, 2019 8:07 am

radiotechnician View the latest post

No unread posts R390A speaker match DIY

TDane

7

439

Jun Fri 21, 2019 8:17 pm

nash View the latest post

No unread posts little machine screws info.

williampage

1

297

Jun Thu 20, 2019 11:26 pm

avictor View the latest post

No unread posts Switch mode power supply help

Tube Radio

2

235

Jun Thu 20, 2019 3:36 pm

Tube Radio View the latest post

No unread posts Attachment(s) Wanted: Frequency Synthesizer Schematic

[ Go to pageGo to page: 1, 2 ]

Jthorusen

31

1378

Jun Tue 18, 2019 8:46 am

Jthorusen View the latest post

No unread posts Attachment(s) A Deluxe Receiver for the DX Operator

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Norm Johnson

87

11976

Jun Mon 17, 2019 2:10 am

Norm Johnson View the latest post

Moved topic Moved: Atwater Kent Tuning Accuracy

CR220

6

446

Jun Tue 18, 2019 4:32 pm

lorenz200w View the latest post

No unread posts Attachment(s) Modulation monitor circuit question

Tube Radio

8

452

Jun Thu 13, 2019 1:47 pm

Tube Radio View the latest post

No unread posts Attachment(s) QST two tube superhet

M1911A1

14

1015

Jun Sat 08, 2019 1:22 pm

Dennis Banker View the latest post

No unread posts Attachment(s) Decent FM band tube preamplifier?

benman94

10

600

Jun Sat 08, 2019 3:14 am

Indiana Radios View the latest post

No unread posts Attachment(s) Another Little Prince- tube preamp

[ Go to pageGo to page: 1 ... 13, 14, 15 ]

john8750

287

8394

Jun Fri 07, 2019 12:03 am

john8750 View the latest post

No unread posts sylvania 302 polymeter with Hot chassis

Airwavesantiques

6

363

Jun Tue 04, 2019 3:31 pm

stevebyan View the latest post

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