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No unread posts Attachment(s) The Hycas Circuit

J310

13

1038

Dec Sat 31, 2016 3:05 pm

orbanp View the latest post

No unread posts Attachment(s) No schematic 1932 (?) GIBBS p-p 2A3, 2A5 driver, 56x2, 5Z3

slr

3

380

Dec Fri 30, 2016 3:47 am

Macrohenry View the latest post

No unread posts Attachment(s) Motor speed control circuit

Tube Radio

0

340

Dec Thu 29, 2016 1:57 pm

Tube Radio View the latest post

No unread posts Attachment(s) Voltage circuit design

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Tube Radio

31

1386

Dec Wed 28, 2016 12:21 pm

Tube Radio View the latest post

No unread posts Internal antenna diable?

Ronniet

3

427

Dec Wed 28, 2016 2:35 am

Jim Mueller View the latest post

No unread posts Power supply for simple regen.

Deadshort

9

671

Dec Tue 27, 2016 4:35 pm

Deadshort View the latest post

No unread posts Attachment(s) Amp circuit (successfully fixed!!!)

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Tube Radio

56

4160

Dec Mon 26, 2016 1:23 am

Tube Radio View the latest post

No unread posts Harmonics from AMT5000

lagert

5

495

Dec Fri 23, 2016 3:41 pm

Peter Bertini View the latest post

No unread posts Question About On/Off Function

J310

5

461

Dec Tue 20, 2016 12:47 am

BobWeaver View the latest post

No unread posts Attachment(s) Photo cell circuit to switch Malibu LEDs

Mike Toon

7

598

Dec Mon 19, 2016 12:58 am

Rich, W3HWJ View the latest post

No unread posts What is best to have HM 102 and HM 2102 or the HM 2140/41

Cadmandu

3

426

Dec Fri 16, 2016 11:50 pm

Cadmandu View the latest post

No unread posts Attachment(s) MK-484 radio (circuit help)

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Tube Radio

71

5132

Dec Fri 16, 2016 4:43 pm

Tube Radio View the latest post

No unread posts Soldering a 3/32 SS welding rod into SO-239 cup

Cadmandu

6

580

Dec Fri 16, 2016 3:00 am

dtvmcdonald View the latest post

No unread posts Substitution for the 30 Triode?

AndyC

4

527

Dec Thu 15, 2016 6:47 pm

AndyC View the latest post

No unread posts Attachment(s) Favorite/best prototyping techniques for tubes

Alfredo_T

5

720

Dec Wed 14, 2016 1:57 am

N2LXM View the latest post

No unread posts Attachment(s) Doerle Regen Receiver Tube Conversion

Jbdkz

3

598

Dec Mon 12, 2016 2:17 am

shinkuukan View the latest post

No unread posts Attachment(s) Bluetooth FM Transmitter

Flipperhome

0

310

Dec Sun 11, 2016 6:25 am

Flipperhome View the latest post

No unread posts Attachment(s) Cheap Crystal Calibrator for your boatanchor

dtvmcdonald

2

446

Dec Sat 10, 2016 7:11 pm

dtvmcdonald View the latest post

No unread posts 1Hz timebase without IC's

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jdlahmann

23

1604

Dec Sat 10, 2016 6:09 am

threeneurons View the latest post

No unread posts Roller Inductor..?

Stan the Man

2

439

Dec Thu 08, 2016 6:44 pm

Stan the Man View the latest post

No unread posts Attachment(s) 6CL6 PP amp questions

Pbpix

8

723

Dec Mon 05, 2016 10:10 am

radiotechnician View the latest post

No unread posts Homebrew Hybrid

BakelitePete

10

904

Dec Thu 01, 2016 12:11 am

Jim Mueller View the latest post

No unread posts Attachment(s) Technical advice needed

[ Go to pageGo to page: 1, 2 ]

fifties

39

2190

Nov Wed 30, 2016 4:30 am

fifties View the latest post

No unread posts Schematic Diagram for a one tube Reflex Radio using a 117Z6

Coyotekid

4

621

Nov Sun 27, 2016 7:05 pm

Mike Toon View the latest post

No unread posts Attachment(s) Homebrew Isolation Transformer

[ Go to pageGo to page: 1, 2 ]

Macrohenry

36

3557

Nov Sun 27, 2016 5:59 pm

bill hamre View the latest post

No unread posts Attachment(s) Suggestions for receiver to build in a BCC-221-AK chassis?

BlewMagikSmoak

0

394

Nov Fri 25, 2016 2:51 am

BlewMagikSmoak View the latest post

No unread posts Attachment(s) Carrier-Current transmitter

[ Go to pageGo to page: 1, 2 ]

N2LXM

20

1599

Nov Wed 23, 2016 6:15 pm

Audioman View the latest post

No unread posts Apartment 40 M Antenna

Gary T. Lane

3

512

Nov Tue 22, 2016 3:45 am

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Favorite Homebrew A-B Power Supply

35Z5

5

989

Nov Sun 20, 2016 4:35 pm

Ozo View the latest post

No unread posts Attachment(s) 3 tube superhet

azenithnut

10

940

Nov Sat 19, 2016 7:16 pm

Audioman View the latest post

No unread posts Question about variable power supply using LM317T

jack.estes

9

909

Nov Fri 18, 2016 7:20 pm

jack.estes View the latest post

No unread posts Attachment(s) alternative material for breadboard construction

zarco

4

711

Nov Thu 17, 2016 12:41 pm

BlewMagikSmoak View the latest post

No unread posts Attachment(s) Home Brew Clock Radio With other freatures

[ Go to pageGo to page: 1, 2 ]

hydrolisk1792

34

3338

Nov Thu 17, 2016 5:54 am

hydrolisk1792 View the latest post

No unread posts Attachment(s) Modulator build

[ Go to pageGo to page: 1, 2 ]

Tube Radio

27

2395

Nov Wed 16, 2016 6:13 pm

Tube Radio View the latest post

No unread posts Switching several crystal oscillators question

Mike Toon

5

735

Nov Sat 12, 2016 1:08 am

Scot Armstrong View the latest post

No unread posts Attachment(s) Loop Antenna Capacitor in parallel wiring?

[ Go to pageGo to page: 1, 2 ]

Ronniet

24

1458

Nov Fri 11, 2016 1:35 am

BobWeaver View the latest post

No unread posts Attachment(s) Audio osc. problem

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allthumbs

22

1163

Nov Thu 10, 2016 8:40 pm

allthumbs View the latest post

No unread posts Attachment(s) Need connections for LM317T as a 9 volt regulator

[ Go to pageGo to page: 1, 2 ]

Mr. Detrola

28

2026

Nov Thu 10, 2016 3:53 pm

dkjones96 View the latest post

No unread posts Attachment(s) Headphone OTL

Flipperhome

9

7143

Nov Thu 10, 2016 2:30 am

dkjones96 View the latest post

No unread posts QST DCS-500 COMMUNICATIONS RECEIVER

Michael Janis

6

1003

Nov Thu 10, 2016 2:15 am

Tim Tress View the latest post

No unread posts Knob for my loop antenna

Ronniet

5

557

Nov Wed 09, 2016 9:49 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Complex Modern Communications Receiver

Geoff Fors

3

635

Nov Tue 08, 2016 6:32 am

Geoff Fors View the latest post

No unread posts Attachment(s) Show us your Bucking Transformers

wrnewton

13

1226

Nov Mon 07, 2016 3:45 pm

Blast View the latest post

No unread posts Attachment(s) my little part 15 transmitter

nico

14

1416

Nov Mon 07, 2016 1:51 pm

BlewMagikSmoak View the latest post

No unread posts 60FX5 push pull amp design

[ Go to pageGo to page: 1, 2 ]

Tube Radio

21

1334

Nov Fri 04, 2016 4:36 am

N0BST View the latest post

No unread posts Attachment(s) Mono source to stereo headphones - DIY adapter?

allthumbs

6

692

Nov Thu 03, 2016 11:10 am

BlewMagikSmoak View the latest post

No unread posts Attachment(s) Battery Charger Circuit questions - help

[ Go to pageGo to page: 1, 2 ]

Pbpix

20

1371

Nov Wed 02, 2016 11:26 pm

Pbpix View the latest post

No unread posts An audio player for transmitters?

Mike Toon

15

1192

Nov Wed 02, 2016 3:04 am

Mike Toon View the latest post

No unread posts Attachment(s) 80 meter AM transmitter with 1930 materials

nico

2

714

Nov Tue 01, 2016 10:01 pm

N0BST View the latest post

No unread posts Speaker impedance question

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Tube Radio

24

1704

Nov Tue 01, 2016 1:50 pm

wrnewton View the latest post

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