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No unread posts Attachment(s) Remote volume control ideas

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Tube Radio

28

602

Apr Thu 27, 2017 11:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) QRM trap

tjugofyra

15

295

Apr Wed 26, 2017 11:41 pm

BobWeaver View the latest post

No unread posts Ramsey FM transmitter noise

Captainquad

9

300

Apr Mon 24, 2017 10:01 pm

Audioman View the latest post

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

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radiorich

115

6244

Apr Mon 24, 2017 4:36 am

radiorich View the latest post

No unread posts Attachment(s) Modifying an old receiver to double as a wave trap.

DanBL

15

447

Apr Sun 23, 2017 7:06 pm

War Bird Radio View the latest post

No unread posts Attachment(s) Longest dx

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jimbob

34

1596

Apr Sat 22, 2017 8:42 pm

Rocco53 View the latest post

No unread posts DIY ground loop isolator

Tube Radio

0

179

Apr Wed 19, 2017 2:07 am

Tube Radio View the latest post

No unread posts Attachment(s) Wow what beautiful AM transmitter handiwork

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Pbpix

36

2065

Apr Mon 17, 2017 9:06 am

FreeElectron View the latest post

No unread posts Attachment(s) 807 Williamson (sort of) UL Amplifier

Flipperhome

8

327

Apr Sun 16, 2017 5:06 am

Flipperhome View the latest post

No unread posts DYI Weather "NOAA" radio

transoceanic 8523

10

443

Apr Sat 15, 2017 4:13 am

mblack View the latest post

No unread posts Any disadvantage in relocating output transformer?

Mike Toon

14

628

Apr Fri 14, 2017 3:20 am

westcoastjohn View the latest post

No unread posts Attachment(s) Buffer amp (problem)

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Tube Radio

28

2409

Apr Thu 13, 2017 3:05 pm

Tube Radio View the latest post

No unread posts Microcontroller Based Signal Generator

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louhaskell

98

3630

Apr Mon 10, 2017 10:17 pm

Colin Ames View the latest post

No unread posts Attachment(s) 12AV6-12CS6 Transmitter(Revised Schematic)

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35Z5

658

86935

Apr Mon 10, 2017 5:47 pm

john8750 View the latest post

No unread posts DIY Magnavox CR-198C dial lamps

Tube Radio

3

228

Apr Mon 10, 2017 3:03 am

Tube Radio View the latest post

Moved topic Attachment(s) Moved: Anyone do mods for others on Amateur Radio gear?

doc-kd4e

11

512

Apr Sun 09, 2017 6:29 pm

doc-kd4e View the latest post

No unread posts BC-455A audio amp question (power supply)

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Tube Radio

23

1837

Apr Fri 07, 2017 2:43 pm

Tube Radio View the latest post

No unread posts RCA STRATO WORLD 3-BX-671 CONVERT TO ADD FM????

Froggy115

9

539

Apr Fri 07, 2017 3:21 am

westcoastjohn View the latest post

No unread posts Attachment(s) Battery Tube AM BCB Transmitter

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Hcompton79

71

2444

Apr Wed 05, 2017 7:03 pm

Audioman View the latest post

No unread posts Attachment(s) Remote speaker for Sparton 6V6 radio

westcoastjohn

13

432

Apr Tue 04, 2017 3:48 pm

Tube Radio View the latest post

No unread posts Attachment(s) Any neat ZN414 schematics out there?

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BakelitePete

20

1719

Mar Fri 31, 2017 6:53 pm

terryrh View the latest post

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

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35Z5

901

95699

Mar Wed 29, 2017 5:13 am

ednspace View the latest post

No unread posts Input impedance on Logitech Z130 ??

michael w

2

230

Mar Tue 28, 2017 6:00 am

michael w View the latest post

No unread posts cutting larger holes in chassis

N0BST

11

554

Mar Tue 28, 2017 3:35 am

kc5gym View the latest post

No unread posts Attachment(s) A "modern" tube theremin

kc5gym

9

482

Mar Tue 28, 2017 2:37 am

kc5gym View the latest post

No unread posts Attachment(s) Crystal radio explanation

CR220

18

1024

Mar Mon 27, 2017 9:14 am

homebrew View the latest post

No unread posts Good source for bare wire?

Deadshort

2

339

Mar Thu 23, 2017 5:56 pm

Deadshort View the latest post

No unread posts Attachment(s) Unknown homemade antique tube device

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sml132

46

2930

Mar Mon 20, 2017 8:56 am

KB5PWL View the latest post

No unread posts 5 band switch for regen question!

lennyshere

1

852

Mar Mon 20, 2017 8:25 am

KB5PWL View the latest post

No unread posts Reinartz - pics, question and ideas

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exray

29

9446

Mar Sat 18, 2017 12:42 pm

Bill M View the latest post

No unread posts GSOT54900 A20147 DSP PLL stereo WITH serial control

Flinx

1

300

Mar Sat 18, 2017 1:52 am

Flinx View the latest post

No unread posts Attachment(s) Varactor tuning question

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Tube Radio

25

1201

Mar Wed 15, 2017 7:34 pm

Tube Radio View the latest post

No unread posts Attachment(s) Generator Monitoring AC

K4YDO

8

457

Mar Wed 15, 2017 5:01 pm

radiotechnician View the latest post

No unread posts Attachment(s) Antenna Amplifier/Filter Design

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ghjkl67

24

1013

Mar Wed 15, 2017 3:48 pm

pixellany View the latest post

No unread posts TDA7052 audio amp obsolete

flyboy71

2

474

Mar Thu 09, 2017 12:59 am

allthumbs View the latest post

No unread posts Attachment(s) 4 Tube Xmitter?

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RCAProduction

28

1899

Mar Wed 01, 2017 6:23 pm

dkd View the latest post

No unread posts Attachment(s) DM160 [Soviet Equivalent] tube amp project consideration

ow346

4

515

Mar Wed 01, 2017 1:28 am

Jim Mueller View the latest post

No unread posts Heathkit GR-81 clone. "here we go again!"

lennyshere

0

475

Feb Tue 28, 2017 6:08 pm

lennyshere View the latest post

No unread posts Federal Ten Ten Heresy stereo "boom box" build

Flinx

8

1171

Feb Mon 27, 2017 8:55 pm

Colin Ames View the latest post

No unread posts Attachment(s) WesKit Radio

wa8dof

11

2596

Feb Sun 26, 2017 3:01 pm

dkd View the latest post

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

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bill hamre

117

23794

Feb Sat 25, 2017 11:36 pm

35Z5 View the latest post

Moved topic Attachment(s) Moved: RCA Victor 65X1 repair

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john8750

153

3429

Apr Mon 24, 2017 2:55 am

john8750 View the latest post

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

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Pbpix

2149

98442

Feb Fri 24, 2017 2:50 am

dkjones96 View the latest post

No unread posts Attachment(s) Buzzing transformer

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Yeti575

29

1392

Feb Thu 23, 2017 4:26 pm

Yeti575 View the latest post

No unread posts Attachment(s) homebrew contest

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bill hamre

239

21027

Feb Wed 22, 2017 11:47 pm

Colin Ames View the latest post

No unread posts Attachment(s) What is this and source for schematic/instructions?

NumberMaj 1

6

641

Feb Wed 22, 2017 2:57 am

NumberMaj 1 View the latest post

No unread posts Another one of my modified AA5 radios, to run off 8VAC

wa2ise

6

891

Feb Tue 21, 2017 8:48 am

Pbpix View the latest post

No unread posts Attachment(s) PRINCELY PAUPER

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john8750

1485

25820

Feb Mon 20, 2017 10:27 am

Flipperhome View the latest post

No unread posts Antique speaker re-magnetizer

Tube Radio

5

637

Feb Mon 20, 2017 6:43 am

Tube Radio View the latest post

No unread posts Attachment(s) 12AT7 and a O.P.T.

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michael w

29

1537

Feb Sun 19, 2017 6:46 am

michael w View the latest post

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