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No unread posts Attachment(s) Philco amp re-build.

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john8750

249

1947

Sep Sun 24, 2017 8:41 am

john8750 View the latest post

No unread posts Attachment(s) A new 300B amp project

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john8750

998

6397

Sep Sun 24, 2017 7:58 am

Flipperhome View the latest post

No unread posts Attachment(s) Using TI's LME49724 Op-Amp For A Hybrid Audio Amplifier

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ab5ni

112

550

Sep Sun 24, 2017 7:20 am

ab5ni View the latest post

No unread posts FM tuner kit.

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

john8750

47

357

Sep Sun 24, 2017 1:07 am

Jim Mueller View the latest post

No unread posts Attachment(s) Microcontroller Based Signal Generator

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

louhaskell

206

12030

Sep Sat 23, 2017 2:34 pm

Colin Ames View the latest post

No unread posts question about an AES power supply

forumuser

17

310

Sep Fri 22, 2017 7:20 pm

Tube Radio View the latest post

No unread posts Attachment(s) Push pull 45 amp

Tube Radio

4

176

Sep Fri 22, 2017 7:02 pm

Tube Radio View the latest post

No unread posts Attachment(s) Transformer orientation

Tube Radio

5

137

Sep Fri 22, 2017 6:53 pm

Tube Radio View the latest post

No unread posts Attachment(s) Looking for Regen ideas

tjugofyra

18

568

Sep Fri 22, 2017 3:09 pm

zarco View the latest post

No unread posts i need a scematic for an amplifier using an 01A tube

gtb81

13

529

Sep Thu 21, 2017 10:21 pm

infomet View the latest post

No unread posts Puny wires on a audio output transformer?

lennyshere

12

470

Sep Thu 21, 2017 10:03 pm

infomet View the latest post

No unread posts Early Western Electric PA amplifier

Ed Jacobs

6

232

Sep Thu 21, 2017 4:58 am

too-bamp View the latest post

No unread posts Attachment(s) Cathode follower question

Tube Radio

19

319

Sep Mon 18, 2017 11:05 pm

Tube Radio View the latest post

No unread posts Attachment(s) 1948 Popular Science "Three Pound Portable Radio"

battery-maker

14

518

Sep Sun 17, 2017 12:05 am

FStephenMasek View the latest post

No unread posts Attachment(s) 6GY6 transmitter question

Tube Radio

10

303

Sep Sat 16, 2017 6:36 am

Tube Radio View the latest post

No unread posts A 300 henry to 500 henry audio frequency choke coil?

lennyshere

15

541

Sep Mon 11, 2017 2:55 am

BobWeaver View the latest post

No unread posts Attachment(s) Best way of interconnecting filaments in 2A3s and 56s?

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normende

20

657

Sep Sat 09, 2017 7:38 am

john8750 View the latest post

No unread posts ECL86 SE amp- help

an2727

2

222

Sep Thu 07, 2017 4:14 pm

classicelectronicsguy View the latest post

No unread posts Attachment(s) Half wave dipole TV antenna, impedance and Gray Hoverman

tube42

7

439

Sep Wed 06, 2017 1:44 am

Macrohenry View the latest post

No unread posts Attachment(s) Breadboard and experimenting questions

jack.estes

9

370

Sep Tue 05, 2017 5:07 am

jack.estes View the latest post

No unread posts Attachment(s) Circuit question

[ Go to pageGo to page: 1, 2 ]

Tube Radio

30

636

Sep Mon 04, 2017 3:17 am

Flipperhome View the latest post

No unread posts Attachment(s) Output transformer

krmiskimon

2

213

Sep Sun 03, 2017 3:46 am

radiorich 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

125

29020

Aug Tue 29, 2017 8:37 pm

TDane View the latest post

No unread posts 5 tube regen mod

TMadden

5

398

Aug Sat 26, 2017 4:24 pm

TMadden View the latest post

No unread posts Attachment(s) Speaker build

Tube Radio

1

297

Aug Thu 24, 2017 4:37 am

Tube Radio View the latest post

No unread posts Attachment(s) Buidling small AM transmitter

nipperscousin

8

1348

Aug Wed 23, 2017 5:45 pm

nipperscousin View the latest post

No unread posts 6-Band SSB/AM/CW XCVR For Around $150.00

ab5ni

0

258

Aug Tue 22, 2017 3:40 pm

ab5ni View the latest post

No unread posts Looking For A 2N3904 2N3906 LTSpice Model or Schematic

ab5ni

15

381

Aug Tue 22, 2017 5:54 am

ab5ni View the latest post

No unread posts Attachment(s) Motor experiment

Tube Radio

8

513

Aug Mon 21, 2017 5:40 pm

Tube Radio View the latest post

No unread posts Attachment(s) Build This Simple Push-Pull 6V6 Amp

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

Dave Doughty

80

17694

Aug Sun 20, 2017 11:23 pm

john8750 View the latest post

No unread posts Attachment(s) FM synchrodyne help

aurel

4

447

Aug Sun 20, 2017 4:08 pm

azenithnut View the latest post

No unread posts Attachment(s) Remote volume control ideas

[ Go to pageGo to page: 1, 2 ]

Tube Radio

31

2249

Aug Fri 18, 2017 2:24 pm

Tube Radio View the latest post

No unread posts Looking to get information on how radio circuits function

rccarz5

6

298

Aug Thu 17, 2017 3:30 am

shinkuukan View the latest post

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

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xrhonda91

27

8141

Aug Wed 16, 2017 10:21 am

Felix View the latest post

No unread posts Advice for 1930s receiver/af transformer

Bridkarl

0

221

Aug Wed 16, 2017 3:05 am

Bridkarl View the latest post

No unread posts Attachment(s) Modulator build

[ Go to pageGo to page: 1, 2 ]

Tube Radio

31

3622

Aug Wed 16, 2017 1:46 am

Tube Radio View the latest post

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

[ Go to pageGo to page: 1 ... 45, 46, 47 ]

35Z5

920

111589

Aug Tue 15, 2017 4:52 pm

Tube Radio View the latest post

No unread posts 6888 parts kit

bill hamre

8

595

Aug Tue 15, 2017 3:17 pm

bill hamre View the latest post

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

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ab5ni

34

1038

Aug Mon 14, 2017 3:08 am

ab5ni View the latest post

No unread posts Attachment(s) Xentek power supply

orbanp

17

725

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

571

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

1203

Aug Fri 11, 2017 7:55 am

BobWeaver View the latest post

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

[ Go to pageGo to page: 1, 2 ]

DaveInNC

28

693

Aug Thu 10, 2017 12:08 am

OldWireBender View the latest post

No unread posts Attachment(s) Farm Radio Power Supply

[ Go to pageGo to page: 1, 2 ]

SakanaLuvr

24

905

Aug Tue 08, 2017 6:13 am

SakanaLuvr View the latest post

No unread posts Teardrop Inductors/Chokes

ab5ni

5

359

Aug Tue 08, 2017 3:14 am

ab5ni View the latest post

No unread posts Attachment(s) amplifier circuit question

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

spider89119

41

919

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

507

Aug Mon 07, 2017 10:58 pm

lennyshere View the latest post

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

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

radiorich

202

13400

Aug Sun 06, 2017 8:42 pm

john8750 View the latest post

No unread posts Attachment(s) Transformer question

Tube Radio

11

543

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

485

Aug Sat 05, 2017 3:18 am

OldWireBender View the latest post

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