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

35Z5

5

1087

Nov Sun 20, 2016 4:35 pm

Ozo View the latest post

No unread posts Attachment(s) 3 tube superhet

azenithnut

10

1043

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

1014

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

775

Nov Thu 17, 2016 12:41 pm

BlewMagikSmoak View the latest post

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

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hydrolisk1792

34

3721

Nov Thu 17, 2016 5:54 am

hydrolisk1792 View the latest post

No unread posts Attachment(s) Modulator build

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Tube Radio

27

2646

Nov Wed 16, 2016 6:13 pm

Tube Radio View the latest post

No unread posts Switching several crystal oscillators question

Mike Toon

5

828

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

1670

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

1339

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

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Mr. Detrola

28

2293

Nov Thu 10, 2016 3:53 pm

dkjones96 View the latest post

No unread posts Attachment(s) Headphone OTL

Flipperhome

9

7235

Nov Thu 10, 2016 2:30 am

dkjones96 View the latest post

No unread posts QST DCS-500 COMMUNICATIONS RECEIVER

Michael Janis

6

1100

Nov Thu 10, 2016 2:15 am

Tim Tress View the latest post

No unread posts Knob for my loop antenna

Ronniet

5

623

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

718

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

1382

Nov Mon 07, 2016 3:45 pm

Blast View the latest post

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

nico

14

1553

Nov Mon 07, 2016 1:51 pm

BlewMagikSmoak View the latest post

No unread posts 60FX5 push pull amp design

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Tube Radio

21

1525

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

800

Nov Thu 03, 2016 11:10 am

BlewMagikSmoak View the latest post

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

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Pbpix

20

1526

Nov Wed 02, 2016 11:26 pm

Pbpix View the latest post

No unread posts An audio player for transmitters?

Mike Toon

15

1329

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

789

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

1915

Nov Tue 01, 2016 1:50 pm

wrnewton View the latest post

No unread posts 6BA6 data sheet question

michael w

6

747

Oct Sun 30, 2016 5:21 am

michael w View the latest post

No unread posts Attachment(s) Two Tube Regen Receiver

fifties

6

941

Oct Sat 29, 2016 3:20 am

fifties View the latest post

No unread posts Attachment(s) Magnetic loop and amplifier project

Radio Fixer

11

1646

Oct Fri 28, 2016 8:57 am

Radio Fixer View the latest post

No unread posts Attachment(s) meiser mertig coherer receiver

[ Go to pageGo to page: 1, 2 ]

nico

21

2320

Oct Wed 26, 2016 3:16 pm

nico View the latest post

No unread posts Phono preamp modification

Tube Radio

5

745

Oct Sun 23, 2016 11:05 pm

Tube Radio View the latest post

No unread posts Attachment(s) To choke or not to choke, that is the question

[ Go to pageGo to page: 1, 2 ]

allthumbs

24

2179

Oct Sat 22, 2016 9:26 pm

fifties View the latest post

No unread posts 6GY6 transmitter question

Tube Radio

10

996

Oct Sat 22, 2016 12:13 am

Tube Radio View the latest post

No unread posts Attachment(s) 5 Tube "Beginners Superhet" Build

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

towble

80

6608

Oct Wed 19, 2016 10:48 pm

towble View the latest post

No unread posts Peerless A7 reproducer mod

Tube Radio

1

495

Oct Mon 17, 2016 12:18 pm

Tube Radio View the latest post

No unread posts 2 tube homebrew radio

Paul Knaack

12

2211

Oct Mon 17, 2016 12:13 pm

bill hamre View the latest post

No unread posts 6AU6 Transmitter

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

Terry Judkins

42

5606

Oct Mon 17, 2016 6:11 am

bill hamre View the latest post

No unread posts Attachment(s) My Marconi style magnetic detector WORKS!

Robert Lozier

12

1496

Oct Mon 17, 2016 1:13 am

Robert Lozier View the latest post

No unread posts Help Identifying One Tube Radio

Oldmaine

0

473

Oct Sun 16, 2016 5:23 pm

Oldmaine View the latest post

No unread posts Attachment(s) Crosley 66CS to a Fender 5C1 transformation?

ccomer1955

5

536

Oct Sun 16, 2016 3:18 am

Flipperhome View the latest post

No unread posts Biased diode detectors.

Felix

5

831

Oct Sat 15, 2016 10:36 pm

Frank512 View the latest post

No unread posts Calculating the tickler coil L

BakelitePete

2

484

Oct Sat 15, 2016 8:34 pm

BakelitePete View the latest post

No unread posts Attachment(s) 12 Volt EF97 shortwacve superhet

nico

3

578

Oct Fri 14, 2016 8:12 am

nico View the latest post

No unread posts Attachment(s) leds in parallel and switched NPN transistors

Betty99

7

867

Oct Fri 14, 2016 4:00 am

OldWireBender View the latest post

No unread posts Biasing A Diode Detector

Frank512

0

369

Oct Wed 12, 2016 4:50 am

Frank512 View the latest post

No unread posts Attachment(s) Radio converted to guitar amp?

k9uw

12

1307

Oct Mon 10, 2016 12:05 am

BikenSwim View the latest post

No unread posts Adding a power supply to a battery powered circuit

ccomer1955

4

572

Oct Sat 08, 2016 1:40 am

Chas View the latest post

No unread posts Attachment(s) 6BK7-6DT6 BCB Transmitter

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

35Z5

77

10382

Oct Fri 07, 2016 4:14 am

Audioman View the latest post

No unread posts Attachment(s) Smartpone Speaker

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Flipperhome

26

3978

Oct Mon 03, 2016 5:38 am

hydrolisk1792 View the latest post

No unread posts Attachment(s) TNT, TGTP and Hartley self excited transmitters?

zarco

9

988

Oct Sun 02, 2016 4:09 pm

Radioroslyn View the latest post

No unread posts Motor speed control circuit design (video added)

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

2326

Sep Fri 30, 2016 1:15 am

Tube Radio View the latest post

No unread posts Attachment(s) Simple antenna tuner

tube42

13

1222

Sep Thu 29, 2016 11:17 pm

aj2x View the latest post

No unread posts Attachment(s) field strength meter

anchorman

13

964

Sep Wed 28, 2016 11:29 pm

BobWeaver View the latest post

No unread posts Attachment(s) Infinite impedance detector radio project(s)...

[ Go to pageGo to page: 1, 2 ]

xrhonda91

26

6810

Sep Mon 26, 2016 8:57 am

Felix View the latest post

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