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Post New Topic  [ 3133 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6, 7 ... 63  Next
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No unread posts 5 band switch for regen question!

lennyshere

1

1159

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

10837

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

736

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

2678

Mar Wed 15, 2017 7:34 pm

Tube Radio View the latest post

No unread posts Attachment(s) Generator Monitoring AC

K4YDO

8

948

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

2418

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

3732

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

933

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

736

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

1860

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

8442

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

2982

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

1151

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

1438

Feb Tue 21, 2017 8:48 am

Pbpix View the latest post

No unread posts Antique speaker re-magnetizer

Tube Radio

5

1010

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

3112

Feb Sun 19, 2017 6:46 am

michael w View the latest post

No unread posts 150 VDC Lambda power supply?

jack.estes

2

654

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

24515

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

1208

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

1376

Feb Sun 12, 2017 10:48 am

BobWeaver View the latest post

No unread posts Attachment(s) HV Power Supply Project

udornf4

3

1231

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

482

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

1218

Feb Thu 09, 2017 12:49 am

AuroraOldRadios View the latest post

No unread posts Ground lift vs Transformer

Macrohenry

2

787

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

3187

Feb Mon 06, 2017 5:47 pm

too-bamp View the latest post

No unread posts Attachment(s) MC1306

tjugofyra

5

797

Feb Mon 06, 2017 5:08 pm

tjugofyra View the latest post

No unread posts Hallicrafters S-41W audio mods

Tube Radio

5

2181

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

770

Feb Thu 02, 2017 3:05 am

Tim Tress View the latest post

No unread posts Attachment(s) Home Made Probes

N2LXM

3

1012

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

3847

Jan Mon 30, 2017 5:53 pm

FStephenMasek View the latest post

No unread posts Attachment(s) The Lightning Detecor

MIRAG

8

1406

Jan Mon 30, 2017 3:08 am

too-bamp View the latest post

No unread posts VLF radio

dkjones96

8

2876

Jan Mon 30, 2017 2:35 am

wrnewton View the latest post

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

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

Ozo

42

4340

Jan Mon 30, 2017 12:49 am

Ozo View the latest post

No unread posts Motor Armature as an antenna?

Keneye

8

1439

Jan Sun 29, 2017 9:30 pm

wrnewton View the latest post

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

Yeti575

19

2139

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

2699

Jan Fri 27, 2017 3:16 am

Tube Radio View the latest post

No unread posts Attachment(s) Make An Isolation Transformer Help

Dutch Rabbit

10

1367

Jan Mon 23, 2017 4:11 pm

Dutch Rabbit View the latest post

No unread posts 5902 Pentode Amp?

BakelitePete

14

1676

Jan Sat 21, 2017 10:14 pm

Pbpix View the latest post

No unread posts Attachment(s) Three tube loudspeaker regenerative receiver

fifties

10

3868

Jan Sat 21, 2017 9:03 am

fifties View the latest post

No unread posts Attachment(s) Bridge Rectifier

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

Ozo

63

4436

Jan Thu 19, 2017 11:20 pm

Leigh View the latest post

No unread posts Long wire antenna questions

knox

2

752

Jan Wed 18, 2017 1:19 am

infomet View the latest post

No unread posts Attachment(s) LC filter for 12VDC-120VAC inverter output

forumuser

12

1349

Jan Tue 17, 2017 2:51 pm

forumuser View the latest post

No unread posts Attachment(s) My AA5 Homebrew / Trainer

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radioalfa

47

5223

Jan Tue 17, 2017 12:58 am

Jim Mueller View the latest post

No unread posts Attachment(s) DIY amp with ECC83 and 6L6 tubes

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an2727

60

11622

Jan Thu 12, 2017 6:37 am

an2727 View the latest post

No unread posts Attachment(s) Isolation Transformer

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

Ozo

50

5143

Jan Wed 11, 2017 2:27 pm

Ozo View the latest post

No unread posts Attachment(s) MW Band Antenna

Ozo

3

803

Jan Sat 07, 2017 11:24 pm

Colin Ames View the latest post

No unread posts Attachment(s) Helping Hands

Ozo

4

828

Jan Tue 03, 2017 10:51 pm

Ozo View the latest post

No unread posts Attachment(s) Obtain a gain of 450 from one vacuum tube

flyboy71

8

1331

Jan Mon 02, 2017 4:50 pm

dtvmcdonald View the latest post

No unread posts Sylvania RM-300X DIY cabinet + speaker build

Tube Radio

0

488

Jan Mon 02, 2017 1:44 am

Tube Radio View the latest post

No unread posts Attachment(s) Can Cap

N2LXM

2

640

Jan Sun 01, 2017 8:19 am

fifties View the latest post

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