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Post New Topic  [ 3015 topics ]  Go to page 1, 2, 3, 4, 5 ... 61  Next
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No unread posts cutting larger holes in chassis

N0BST

4

38

Mar Sat 25, 2017 2:08 am

Norm Leal View the latest post

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

BakelitePete

19

1142

Mar Sat 25, 2017 12:45 am

hfradionut View the latest post

No unread posts Microcontroller Based Signal Generator

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louhaskell

77

1941

Mar Fri 24, 2017 10:51 pm

louhaskell View the latest post

No unread posts Attachment(s) Crystal radio explanation

CR220

13

435

Mar Fri 24, 2017 7:45 pm

homebrew View the latest post

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

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Hcompton79

35

673

Mar Fri 24, 2017 3:14 pm

35Z5 View the latest post

No unread posts Good source for bare wire?

Deadshort

2

90

Mar Thu 23, 2017 5:56 pm

Deadshort View the latest post

No unread posts Any disadvantage in relocating output transformer?

Mike Toon

13

264

Mar Thu 23, 2017 1:08 am

radiotechnician View the latest post

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

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sml132

46

2119

Mar Mon 20, 2017 8:56 am

KB5PWL View the latest post

No unread posts 5 band switch for regen question!

lennyshere

1

664

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

8896

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

130

Mar Sat 18, 2017 1:52 am

Flinx View the latest post

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

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Pbpix

31

1103

Mar Thu 16, 2017 12:27 pm

bill hamre View the latest post

No unread posts Attachment(s) Varactor tuning question

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Tube Radio

25

694

Mar Wed 15, 2017 7:34 pm

Tube Radio View the latest post

No unread posts Attachment(s) Generator Monitoring AC

K4YDO

8

221

Mar Wed 15, 2017 5:01 pm

radiotechnician View the latest post

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

[ Go to pageGo to page: 1, 2 ]

ghjkl67

24

533

Mar Wed 15, 2017 3:48 pm

pixellany View the latest post

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

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35Z5

898

91772

Mar Sat 11, 2017 1:22 pm

K4YDO View the latest post

No unread posts TDA7052 audio amp obsolete

flyboy71

2

288

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

1313

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

303

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

295

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

886

Feb Mon 27, 2017 8:55 pm

Colin Ames View the latest post

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

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radiorich

94

4942

Feb Mon 27, 2017 8:17 pm

radiorich View the latest post

No unread posts Attachment(s) WesKit Radio

wa8dof

11

2299

Feb Sun 26, 2017 3:01 pm

dkd View the latest post

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

[ Go to pageGo to page: 1 ... 4, 5, 6 ]

bill hamre

117

22517

Feb Sat 25, 2017 11:36 pm

35Z5 View the latest post

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

[ Go to pageGo to page: 1 ... 31, 32, 33 ]

35Z5

654

83758

Feb Sat 25, 2017 9:52 pm

john8750 View the latest post

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

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john8750

151

1779

Mar Thu 23, 2017 9:14 pm

john8750 View the latest post

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

[ Go to pageGo to page: 1 ... 106, 107, 108 ]

Pbpix

2149

92798

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

888

Feb Thu 23, 2017 4:26 pm

Yeti575 View the latest post

No unread posts Attachment(s) homebrew contest

[ Go to pageGo to page: 1 ... 10, 11, 12 ]

bill hamre

239

19290

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

400

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

643

Feb Tue 21, 2017 8:48 am

Pbpix View the latest post

No unread posts Attachment(s) PRINCELY PAUPER

[ Go to pageGo to page: 1 ... 73, 74, 75 ]

john8750

1485

20523

Feb Mon 20, 2017 10:27 am

Flipperhome View the latest post

No unread posts Antique speaker re-magnetizer

Tube Radio

5

408

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

987

Feb Sun 19, 2017 6:46 am

michael w View the latest post

No unread posts 150 VDC Lambda power supply?

jack.estes

2

247

Feb Sat 18, 2017 2:24 am

jack.estes View the latest post

No unread posts Norms 12K5 Regen Complete

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

35Z5

55

21314

Feb Mon 13, 2017 7:36 pm

fortney View the latest post

No unread posts Attachment(s) Question about frequency response of homebrewed projects

jack.estes

6

498

Feb Mon 13, 2017 1:39 am

jack.estes View the latest post

No unread posts Attachment(s) Uses for mostly junk tubes...

35Z5

7

689

Feb Sun 12, 2017 10:48 am

BobWeaver View the latest post

No unread posts Attachment(s) HV Power Supply Project

udornf4

3

756

Feb Sat 11, 2017 2:34 pm

udornf4 View the latest post

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

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Tube Radio

22

1389

Feb Fri 10, 2017 12:02 am

Tube Radio View the latest post

No unread posts Need Help on AR-67 Driver (HORN) Driver

joybird

0

248

Feb Thu 09, 2017 3:32 pm

joybird View the latest post

No unread posts Attachment(s) Anything special about this DIY 6 tube 3-dialer?

AuroraOldRadios

6

676

Feb Thu 09, 2017 12:49 am

AuroraOldRadios View the latest post

No unread posts Ground lift vs Transformer

Macrohenry

2

363

Feb Wed 08, 2017 2:58 am

richfair View the latest post

No unread posts '26 Tube not suitable for a detector

[ Go to pageGo to page: 1, 2 ]

too-bamp

33

1241

Feb Mon 06, 2017 5:47 pm

too-bamp View the latest post

No unread posts Attachment(s) MC1306

tjugofyra

5

372

Feb Mon 06, 2017 5:08 pm

tjugofyra View the latest post

No unread posts Hallicrafters S-41W audio mods

Tube Radio

5

1564

Feb Thu 02, 2017 11:23 pm

Tube Radio View the latest post

No unread posts Attachment(s) "Bigger Bass from Broadcast Sets"

mbear2k

2

473

Feb Thu 02, 2017 3:05 am

Tim Tress View the latest post

No unread posts Attachment(s) Home Made Probes

N2LXM

3

610

Feb Wed 01, 2017 7:35 pm

N2LXM View the latest post

No unread posts Attachment(s) Lil 7 AM Transmitter

[ Go to pageGo to page: 1, 2 ]

Mike L

34

1675

Jan Mon 30, 2017 5:53 pm

FStephenMasek View the latest post

No unread posts Attachment(s) The Lightning Detecor

MIRAG

8

704

Jan Mon 30, 2017 3:08 am

too-bamp View the latest post

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