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Post New Topic  [ 3610 topics ]  Go to page 1, 2, 3, 4, 5 ... 73  Next
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No unread posts Attachment(s) Motor build

Tube Radio

0

22

Jan Fri 24, 2020 5:57 pm

Tube Radio View the latest post

No unread posts Attachment(s) AM trans, audio distortion related to antenna matching?

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richfair

21

538

Jan Fri 24, 2020 3:56 pm

richfair View the latest post

No unread posts Attachment(s) AM LOOP Antenna

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fifties

25

7349

Jan Fri 24, 2020 6:47 am

tomb123 View the latest post

No unread posts Why a grounded center tap on the 6.3 winding?

westcoastjohn

2

114

Jan Fri 24, 2020 4:32 am

westcoastjohn View the latest post

No unread posts Attachment(s) 6888 AM broadcaster with PCB

[ Go to pageGo to page: 1 ... 5, 6, 7 ]

bill hamre

130

46623

Jan Thu 23, 2020 2:03 am

Macrohenry View the latest post

No unread posts Attachment(s) High Stability FM Transmitter (7 - 10mW) design.

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Dare4444

30

1444

Jan Wed 22, 2020 10:53 pm

Dare4444 View the latest post

No unread posts Attachment(s) Homebrew Electrostatic TV Set.

ACORNVALVE

7

252

Jan Wed 22, 2020 5:44 pm

Norm Johnson View the latest post

No unread posts Radio Shack 15-1118 antenna amplifier mod

anbitet66

2

137

Jan Wed 22, 2020 4:04 am

anbitet66 View the latest post

No unread posts Attachment(s) Silver Mica vs. NP0 I am confused

Dare4444

16

848

Jan Tue 21, 2020 2:51 pm

Dare4444 View the latest post

No unread posts Attachment(s) Amplifier build

Tube Radio

9

325

Jan Tue 21, 2020 1:30 am

Tube Radio View the latest post

No unread posts Attachment(s) iPod Amplifier built from 1920's components.

ACORNVALVE

7

220

Jan Tue 21, 2020 1:28 am

ACORNVALVE View the latest post

No unread posts HV PS FROM MICROWAVE SMPS

Jack Cureton

8

251

Jan Mon 20, 2020 8:16 pm

infomet View the latest post

No unread posts Attachment(s) TRF HOMEBREW RADIO

ACORNVALVE

8

477

Jan Mon 20, 2020 12:46 am

Colin Ames View the latest post

No unread posts Attachment(s) Telephone Crank Magneto Transceiver

RCAProduction

6

656

Jan Sun 19, 2020 9:04 pm

radiotechnician View the latest post

No unread posts Attachment(s) HOMEBREW FETRON RADIO

ACORNVALVE

8

309

Jan Sat 18, 2020 4:34 pm

pauls.ironhorse View the latest post

No unread posts Attachment(s) first amp to build 60fx5 (2)

j8000

15

798

Jan Fri 17, 2020 1:59 am

Jim Mueller View the latest post

No unread posts Attachment(s) Vintage broadcasts for antique radios?

audioengr

5

389

Jan Thu 16, 2020 7:47 am

Mike Toon View the latest post

No unread posts Attachment(s) Microcontroller Based Signal Generator

[ Go to pageGo to page: 1 ... 9, 10, 11 ]

louhaskell

213

43774

Jan Thu 16, 2020 6:40 am

BobWeaver View the latest post

No unread posts Attachment(s) PNP transistor for power supply

classicelectronicsguy

7

328

Jan Tue 14, 2020 5:56 pm

classicelectronicsguy View the latest post

No unread posts Attachment(s) 6888 Transmitter stereo to mono input

Mike Toon

16

605

Jan Tue 14, 2020 2:55 am

Mike Toon View the latest post

No unread posts Attachment(s) My SE 12SL7 - 6V6G stereo

Pbpix

8

596

Jan Mon 13, 2020 10:29 pm

Pbpix View the latest post

No unread posts Need Help With "EasyEDA" PCB Program

transoceanic 8523

9

775

Jan Sat 11, 2020 5:43 pm

n3uvt View the latest post

No unread posts How To Safely Connect IPhone To Zenith AM Transmitter.

transoceanic 8523

2

270

Jan Sat 11, 2020 5:16 pm

transoceanic 8523 View the latest post

No unread posts Attachment(s) Phase splitter idea

Tube Radio

8

430

Jan Fri 10, 2020 2:01 pm

Tube Radio View the latest post

No unread posts Attachment(s) Ring Choke Converter(RCC) For vacuum tube amplifier?

sougisyou

0

105

Jan Fri 10, 2020 10:49 am

sougisyou View the latest post

No unread posts Attachment(s) Help troubleshooting a a Korg NuTube 6P1 audio input buffer

htolino

9

478

Jan Fri 10, 2020 6:30 am

sougisyou View the latest post

No unread posts Commercial Simulator Now Free

flyboy71

1

260

Jan Thu 09, 2020 2:00 pm

peter scott View the latest post

No unread posts Attachment(s) A single valve 9VDC Am Xmitter

[ Go to pageGo to page: 1, 2 ]

Beach11

20

973

Jan Wed 08, 2020 10:46 pm

Beach11 View the latest post

No unread posts Attachment(s) Solid state 1920's speaker amplifier revisited

Tube Radio

6

1175

Jan Wed 08, 2020 1:10 pm

Tube Radio View the latest post

No unread posts Tuning state-variable active filters

stevebyan

6

346

Jan Wed 08, 2020 8:30 am

Jthorusen View the latest post

No unread posts Attachment(s) Attempting to build a low voltage tube amplifier

[ Go to pageGo to page: 1, 2 ]

928GTS

35

2025

Jan Sun 05, 2020 10:58 pm

sougisyou View the latest post

No unread posts Attachment(s) Norm's 6888 transmitter with 6C4

Sirtar

18

644

Jan Sun 05, 2020 4:34 pm

35Z5 View the latest post

No unread posts Output transformers in series?

westcoastjohn

14

680

Dec Tue 31, 2019 5:23 am

Tube Radio View the latest post

No unread posts Attachment(s) Building a radio

Brinks

8

861

Dec Tue 31, 2019 3:16 am

SkyKing View the latest post

No unread posts Attachment(s) Talking House AM Transmitter MODIFICATION IDEAS HELP?

[ Go to pageGo to page: 1 ... 8, 9, 10 ]

gmcjetpilot

191

58219

Dec Sat 28, 2019 7:59 pm

Tube Radio View the latest post

No unread posts best sw antenna

kzsteve

7

578

Dec Sat 28, 2019 4:15 am

kzsteve View the latest post

No unread posts Attachment(s) Dekatron spinner circuit and other neon circuits

Tube Radio

4

692

Dec Fri 27, 2019 11:59 pm

Tube Radio View the latest post

No unread posts Attachment(s) 3 tube superhet

[ Go to pageGo to page: 1, 2 ]

azenithnut

34

5289

Dec Fri 27, 2019 1:47 pm

azenithnut View the latest post

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

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35Z5

37

25850

Dec Wed 25, 2019 6:08 am

j8000 View the latest post

No unread posts Attachment(s) Unreliable Output - Field Strength Meter

RCAProduction

7

330

Dec Tue 24, 2019 11:09 pm

RCAProduction View the latest post

No unread posts Attachment(s) Hardware Help For Mounting Loopstick Coils

transoceanic 8523

12

500

Dec Tue 24, 2019 4:22 pm

Peter Bertini View the latest post

This topic is locked, you cannot edit posts or make further replies. Field Strength Meter

RCAProduction

5

377

Dec Mon 23, 2019 6:01 pm

Peter Bertini View the latest post

No unread posts Attachment(s) FM tuner modification

Tube Radio

0

267

Dec Sat 21, 2019 11:03 pm

Tube Radio View the latest post

No unread posts Attachment(s) Old radio

radiorich123

6

765

Dec Sat 21, 2019 7:44 am

john8750 View the latest post

No unread posts Attachment(s) Ferrite Sleeve Loop antennas: Are they for real?

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

pentagrid

55

19058

Dec Thu 19, 2019 10:09 pm

azenithnut View the latest post

No unread posts Attachment(s) Power supply switching with OA2

Norm Johnson

6

574

Dec Wed 18, 2019 3:46 am

Norm Johnson View the latest post

No unread posts Part 15 Transmitter using VCA?

Macrohenry

5

1207

Dec Tue 17, 2019 2:14 am

Rod FeC View the latest post

No unread posts Attachment(s) Two SPST push buttons to knob SPDT control?

ThomasMBS

6

441

Dec Mon 16, 2019 7:08 pm

radiotechnician View the latest post

No unread posts High Voltage Switch Mode Power Supply

transoceanic 8523

5

346

Dec Mon 16, 2019 4:07 am

Tom Bavis View the latest post

No unread posts Attachment(s) Another Tuned Loop Antenna

[ Go to pageGo to page: 1, 2 ]

moallen

21

783

Dec Sun 15, 2019 12:58 am

radiorich View the latest post

Post New Topic  [ 3610 topics ]  Go to page 1, 2, 3, 4, 5 ... 73  Next

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