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

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35Z5

658

95312

Apr Mon 10, 2017 5:47 pm

john8750 View the latest post

No unread posts DIY Magnavox CR-198C dial lamps

Tube Radio

3

620

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

1117

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

2830

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

1215

Apr Fri 07, 2017 3:21 am

westcoastjohn View the latest post

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

westcoastjohn

13

1110

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

2654

Mar Fri 31, 2017 6:53 pm

terryrh View the latest post

No unread posts Input impedance on Logitech Z130 ??

michael w

2

544

Mar Tue 28, 2017 6:00 am

michael w View the latest post

No unread posts cutting larger holes in chassis

N0BST

11

1093

Mar Tue 28, 2017 3:35 am

kc5gym View the latest post

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

kc5gym

9

973

Mar Tue 28, 2017 2:37 am

kc5gym View the latest post

No unread posts Attachment(s) Crystal radio explanation

CR220

18

1851

Mar Mon 27, 2017 9:14 am

homebrew View the latest post

No unread posts Attachment(s) Dual Rectifiers wired in Parallel???

Kasanay

2

871

Mar Wed 22, 2017 7:45 pm

eeprof View the latest post

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

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sml132

46

4480

Mar Mon 20, 2017 8:56 am

KB5PWL View the latest post

No unread posts 5 band switch for regen question!

lennyshere

1

1087

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

10358

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

608

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

2217

Mar Wed 15, 2017 7:34 pm

Tube Radio View the latest post

No unread posts Attachment(s) Generator Monitoring AC

K4YDO

8

776

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

1972

Mar Wed 15, 2017 3:48 pm

pixellany View the latest post

No unread posts Attachment(s) 4 Tube Xmitter?

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RCAProduction

28

3133

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

821

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

674

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

1633

Feb Mon 27, 2017 8:55 pm

Colin Ames View the latest post

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

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john8750

153

6650

Apr Mon 24, 2017 2:55 am

john8750 View the latest post

No unread posts Attachment(s) Buzzing transformer

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Yeti575

29

2435

Feb Thu 23, 2017 4:26 pm

Yeti575 View the latest post

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

NumberMaj 1

6

982

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

1261

Feb Tue 21, 2017 8:48 am

Pbpix View the latest post

No unread posts Antique speaker re-magnetizer

Tube Radio

5

870

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

2541

Feb Sun 19, 2017 6:46 am

michael w View the latest post

No unread posts 150 VDC Lambda power supply?

jack.estes

2

543

Feb Sat 18, 2017 2:24 am

jack.estes View the latest post

No unread posts Norms 12K5 Regen Complete

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35Z5

55

23329

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

976

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

1185

Feb Sun 12, 2017 10:48 am

BobWeaver View the latest post

No unread posts Attachment(s) HV Power Supply Project

udornf4

3

1103

Feb Sat 11, 2017 2:34 pm

udornf4 View the latest post

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

joybird

0

430

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

1061

Feb Thu 09, 2017 12:49 am

AuroraOldRadios View the latest post

No unread posts Ground lift vs Transformer

Macrohenry

2

669

Feb Wed 08, 2017 2:58 am

richfair View the latest post

No unread posts '26 Tube not suitable for a detector

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too-bamp

33

2576

Feb Mon 06, 2017 5:47 pm

too-bamp View the latest post

No unread posts Attachment(s) MC1306

tjugofyra

5

673

Feb Mon 06, 2017 5:08 pm

tjugofyra View the latest post

No unread posts Hallicrafters S-41W audio mods

Tube Radio

5

2005

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

689

Feb Thu 02, 2017 3:05 am

Tim Tress View the latest post

No unread posts Attachment(s) Home Made Probes

N2LXM

3

917

Feb Wed 01, 2017 7:35 pm

N2LXM View the latest post

No unread posts Attachment(s) Lil 7 AM Transmitter

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Mike L

34

3206

Jan Mon 30, 2017 5:53 pm

FStephenMasek View the latest post

No unread posts Attachment(s) The Lightning Detecor

MIRAG

8

1202

Jan Mon 30, 2017 3:08 am

too-bamp View the latest post

No unread posts VLF radio

dkjones96

8

2630

Jan Mon 30, 2017 2:35 am

wrnewton View the latest post

No unread posts Attachment(s) Power supply for farm radio

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Ozo

42

3705

Jan Mon 30, 2017 12:49 am

Ozo View the latest post

No unread posts Motor Armature as an antenna?

Keneye

8

1237

Jan Sun 29, 2017 9:30 pm

wrnewton View the latest post

No unread posts Solid diodes in place of 866a's

Yeti575

19

1720

Jan Fri 27, 2017 5:22 am

k3msb View the latest post

No unread posts Attachment(s) Replacing phonograph with mp3 player

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TheOriginalClassy

26

2183

Jan Fri 27, 2017 3:16 am

Tube Radio View the latest post

No unread posts 1920s Replica 1 Tube Regen

MIRAG

1

663

Jan Wed 25, 2017 5:27 pm

allthumbs View the latest post

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