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Alan Voorhees

0

2587

Aug Mon 31, 2020 7:16 am

Alan Voorhees View the latest post

Topics
No unread posts Attachment(s) Boy's Book of Crystal Sets - PDF file

John Bartley

13

1900

Feb Mon 17, 2020 6:34 pm

Rich, W3HWJ View the latest post

No unread posts Ekeradio FM radio kit ?

Hue Miller

7

1465

Feb Sun 16, 2020 5:53 am

Usually Lurking View the latest post

No unread posts Anyone build any of these kits?

audioengr

3

1349

Feb Sun 16, 2020 4:46 am

fifties View the latest post

No unread posts Attachment(s) Chinese AM Transmitter board analysis

audioengr

11

1592

Feb Fri 14, 2020 6:52 pm

Tube Radio View the latest post

No unread posts Bill Hamre - 6LE8 Transmitter kit

JukeBoxDenny

4

1302

Feb Fri 14, 2020 4:31 am

35Z5 View the latest post

No unread posts Where could I find 3-4 variable capacitors

Tin Omen

6

1451

Feb Thu 13, 2020 6:48 am

fifties View the latest post

No unread posts Attachment(s) Repurpose Grow Light Transformer?

Geoff Fors

7

1481

Feb Wed 12, 2020 8:29 pm

radiotechnician View the latest post

No unread posts Attachment(s) Audio processor for all mono AM pantry transmitters

ACORNVALVE

8

1405

Feb Mon 10, 2020 2:45 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) 2.5 mh choke

jimbob

17

5165

Feb Sun 09, 2020 2:48 pm

radiotechnician View the latest post

No unread posts Greymark 515 A.M. Transmitter full wave rectifier conversion

JukeBoxDenny

5

1097

Feb Fri 07, 2020 1:58 am

35Z5 View the latest post

No unread posts Can I turn a mono AM/FM tube radio into FM stereo?

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

gmcjetpilot

41

16062

Feb Thu 06, 2020 7:53 pm

westcoastjohn View the latest post

No unread posts Attachment(s) richfair's audio processor for part 15 transmitter

richfair

7

2061

Feb Tue 04, 2020 2:00 am

richfair View the latest post

No unread posts Low Power FM Transmitter Schematic

Dare4444

2

965

Feb Mon 03, 2020 1:52 pm

Dare4444 View the latest post

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

ACORNVALVE

11

1659

Feb Mon 03, 2020 5:07 am

westcoastjohn View the latest post

No unread posts Attachment(s) POWER SUPPLY FOR NATIONAL 1-10A RADIO

ACORNVALVE

2

1014

Feb Sun 02, 2020 8:38 am

ACORNVALVE View the latest post

No unread posts Attachment(s) Test battery power 2P2 tube at 6V , 12V 24V

sougisyou

2

1044

Feb Sat 01, 2020 6:10 pm

sougisyou View the latest post

No unread posts Attachment(s) richfair's am transmitter

richfair

10

2603

Feb Sat 01, 2020 5:35 pm

richfair View the latest post

No unread posts Analog Devices SSM2167 for AM micro-TX?

Peter Bertini

2

948

Feb Sat 01, 2020 4:02 pm

richfair View the latest post

No unread posts Output transformers in series?

westcoastjohn

15

2490

Feb Sat 01, 2020 1:34 am

radiotechnician View the latest post

No unread posts Attachment(s) Alignment/IF issues

[ Go to pageGo to page: 1, 2 ]

GoldenAgeOfRadio

25

3194

Feb Sat 01, 2020 1:26 am

Usually Lurking View the latest post

No unread posts Attachment(s) Buffer amp

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

4606

Jan Thu 30, 2020 2:56 pm

Tube Radio View the latest post

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

[ Go to pageGo to page: 1, 2 ]

richfair

28

3412

Jan Wed 29, 2020 8:11 pm

richfair View the latest post

No unread posts Another 1mW High Stability FM Transmitter Idea

Dare4444

2

902

Jan Wed 29, 2020 3:55 am

Dare4444 View the latest post

No unread posts Attachment(s) Transmitting Loop antenna for Pantry Transmitters.

ACORNVALVE

2

796

Jan Sun 26, 2020 6:35 am

ACORNVALVE View the latest post

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

westcoastjohn

4

1009

Jan Sat 25, 2020 11:52 pm

westcoastjohn View the latest post

No unread posts Attachment(s) Motor build

Tube Radio

0

939

Jan Fri 24, 2020 5:57 pm

Tube Radio 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

54291

Jan Thu 23, 2020 2:03 am

Macrohenry View the latest post

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

[ Go to pageGo to page: 1, 2 ]

Dare4444

30

3778

Jan Wed 22, 2020 10:53 pm

Dare4444 View the latest post

No unread posts Radio Shack 15-1118 antenna amplifier mod

anbitet66

2

790

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

2546

Jan Tue 21, 2020 2:51 pm

Dare4444 View the latest post

No unread posts Attachment(s) Amplifier build

Tube Radio

9

1251

Jan Tue 21, 2020 1:30 am

Tube Radio View the latest post

No unread posts HV PS FROM MICROWAVE SMPS

Jack Cureton

8

1046

Jan Mon 20, 2020 8:16 pm

infomet View the latest post

No unread posts Attachment(s) TRF HOMEBREW RADIO

ACORNVALVE

8

1469

Jan Mon 20, 2020 12:46 am

Colin Ames View the latest post

No unread posts Attachment(s) HOMEBREW FETRON RADIO

ACORNVALVE

8

1076

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

2058

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

1276

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

56461

Jan Thu 16, 2020 6:40 am

BobWeaver View the latest post

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

classicelectronicsguy

7

1201

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

1852

Jan Tue 14, 2020 2:55 am

Mike Toon View the latest post

No unread posts Need Help With "EasyEDA" PCB Program

transoceanic 8523

9

1609

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

653

Jan Sat 11, 2020 5:16 pm

transoceanic 8523 View the latest post

No unread posts Attachment(s) Phase splitter idea

Tube Radio

8

1233

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

482

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

1348

Jan Fri 10, 2020 6:30 am

sougisyou View the latest post

No unread posts Commercial Simulator Now Free

flyboy71

1

689

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

2526

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

1767

Jan Wed 08, 2020 1:10 pm

Tube Radio 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

4016

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

2285

Jan Sun 05, 2020 4:34 pm

35Z5 View the latest post

No unread posts Attachment(s) Building a radio

Brinks

8

1763

Dec Tue 31, 2019 3:16 am

SkyKing View the latest post

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