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No unread posts hbr 13c

justnew

4

611

Mar Tue 15, 2016 4:35 pm

Peter Bertini View the latest post

No unread posts Attachment(s) 90 volt power supply

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RHam

43

3541

Mar Sun 06, 2016 7:14 pm

RHam View the latest post

No unread posts Attachment(s) Next homebrew project - one tube regen receiver

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black85vette

24

2096

Mar Sat 05, 2016 1:01 am

black85vette View the latest post

No unread posts Attachment(s) 6BM8 (ECL 82) SE Amp Questions

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Macrohenry

23

1498

Mar Thu 03, 2016 10:38 pm

Flipperhome View the latest post

No unread posts Attachment(s) One tube all bander

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melw44

56

9383

Mar Thu 03, 2016 6:44 pm

melw44 View the latest post

No unread posts Norm's 12K5 regen receiver - need help

black85vette

9

790

Mar Thu 03, 2016 5:48 pm

black85vette View the latest post

No unread posts Duncan PSU Designer 2

BakelitePete

1

414

Mar Tue 01, 2016 12:02 am

Leigh View the latest post

No unread posts Attachment(s) Buffer amp (problem)

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Tube Radio

27

1814

Feb Sun 28, 2016 4:45 pm

Tube Radio View the latest post

No unread posts Attachment(s) Single ended parallel build pics!

BakelitePete

6

709

Feb Thu 25, 2016 2:42 pm

dkjones96 View the latest post

No unread posts Attachment(s) 6K6 little amp idea

BakelitePete

5

679

Feb Thu 25, 2016 9:00 am

Flipperhome View the latest post

No unread posts Attachment(s) Crystal radio question

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ChrisRI

22

1430

Feb Wed 24, 2016 9:13 pm

homebrew View the latest post

No unread posts Attachment(s) Power supply design queston

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Tube Radio

20

1462

Feb Wed 24, 2016 2:18 am

Tube Radio View the latest post

No unread posts Ideal detector for a Shunt-fed Crystal Radio

vu2nan

0

416

Feb Mon 22, 2016 6:46 pm

vu2nan View the latest post

No unread posts Attachment(s) Clone Nat'l SW-3

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

tjugofyra

113

6823

Feb Tue 16, 2016 9:05 pm

tjugofyra View the latest post

No unread posts 60FX5 Amp volume control using negative feedback

Macrohenry

6

640

Feb Mon 15, 2016 8:59 am

OldWireBender View the latest post

No unread posts Attachment(s) Tying 2 audio output channels together question

Mike Toon

14

900

Feb Sat 13, 2016 2:53 am

Flipperhome View the latest post

No unread posts Attachment(s) Simple tube amp question

Dennis H.

16

904

Feb Fri 12, 2016 3:25 pm

tonymontana View the latest post

No unread posts Attachment(s) Another AM transmitter build - 2 tube w/ 6GY6

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black85vette

44

2483

Feb Fri 12, 2016 1:33 pm

black85vette View the latest post

No unread posts Attachment(s) Home built audio amp and power supply questions

tube42

12

886

Feb Wed 10, 2016 4:08 am

tube42 View the latest post

No unread posts LM386 vs TDA7052A

flyboy71

9

1118

Feb Tue 09, 2016 1:53 am

flyboy71 View the latest post

No unread posts Attachment(s) Test speaker build

[ Go to pageGo to page: 1 ... 13, 14, 15 ]

john8750

299

14564

Feb Mon 08, 2016 4:07 am

john8750 View the latest post

No unread posts Attachment(s) DIY Multiplexer?

Maraakate

17

1211

Feb Sun 07, 2016 11:38 pm

tube42 View the latest post

No unread posts Attachment(s) Help understanding something about Spark Gap Transmitters

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

honeyfairy

49

3898

Feb Sun 07, 2016 10:06 pm

honeyfairy View the latest post

No unread posts Making a PCB from an old magazine article

edbar

4

575

Feb Sun 07, 2016 6:12 pm

Rich, W3HWJ View the latest post

No unread posts Evolved antennas

K9LOL

10

870

Feb Thu 04, 2016 9:08 pm

db gain View the latest post

No unread posts Attachment(s) 1308 kHz AM Transmitter from Japan

Hcompton79

11

1059

Feb Wed 03, 2016 4:49 am

radiotechnician View the latest post

No unread posts Some thoughts on UHF Crystal Radios

vu2nan

0

371

Feb Tue 02, 2016 11:32 am

vu2nan View the latest post

No unread posts Attachment(s) Looking For Basic Schematic Drawing Software

[ Go to pageGo to page: 1, 2 ]

Frank512

25

2032

Feb Mon 01, 2016 3:32 am

Jthorusen View the latest post

No unread posts UHF Crystal Radio

vu2nan

6

996

Jan Sat 30, 2016 7:30 pm

vu2nan View the latest post

No unread posts 1950 Silvertone console mod (schematic added)

Tube Radio

0

347

Jan Fri 29, 2016 10:59 pm

Tube Radio View the latest post

No unread posts LM386 Transmitter

Mike Toon

8

768

Jan Fri 29, 2016 4:09 am

Rich, W3HWJ View the latest post

No unread posts LM386 vs 555 Timer DC-DC converter

flyboy71

1

353

Jan Fri 29, 2016 4:06 am

Rich, W3HWJ View the latest post

No unread posts AM Transmitter output

radiocom

15

1212

Jan Thu 28, 2016 4:30 pm

Jthorusen View the latest post

No unread posts 6K6 question

dimis

12

844

Jan Tue 26, 2016 3:08 pm

dimis View the latest post

No unread posts Filament transformer question

allthumbs

5

521

Jan Tue 26, 2016 3:26 am

allthumbs View the latest post

No unread posts Attachment(s) Question about simple transistor amp

Macrohenry

10

847

Jan Tue 26, 2016 3:26 am

Usually Lurking View the latest post

No unread posts Attachment(s) Help Reconstructing a Homebrew Set

ghjkl67

19

12193

Jan Mon 25, 2016 2:45 am

ghjkl67 View the latest post

No unread posts Attachment(s) one tube regen

ego sum jp

9

4957

Jan Sun 24, 2016 9:44 pm

zarco View the latest post

No unread posts Attachment(s) Power Supply Design

DaleMidori

12

688

Jan Sun 24, 2016 7:57 am

skylerca View the latest post

No unread posts Attachment(s) How can I add SW bands to 4 tube small BCB radio

ChrisRI

17

1450

Jan Sat 23, 2016 8:48 am

ChrisRI View the latest post

No unread posts BC-455A amp and power supply question

Tube Radio

2

288

Jan Sat 23, 2016 3:45 am

Tube Radio View the latest post

No unread posts Attachment(s) Zenith Headphone Adapter

Hcompton79

6

710

Jan Sat 23, 2016 2:42 am

Tube Radio View the latest post

No unread posts Attachment(s) Part 15 transmitter question

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Tube Radio

68

3315

Jan Thu 21, 2016 7:26 pm

bill hamre View the latest post

No unread posts Raspberry pi question

Tube Radio

9

770

Jan Sat 16, 2016 5:49 pm

Tube Radio View the latest post

No unread posts Attachment(s) Help Identifying Homebrew Circuit

megapico

2

460

Jan Sat 16, 2016 5:33 pm

Duane B View the latest post

No unread posts Power supply question - use of silicon diodes

allthumbs

10

686

Jan Tue 12, 2016 5:44 pm

Rich, W3HWJ View the latest post

No unread posts New Project Questions

Richtdow

7

702

Jan Mon 11, 2016 9:33 pm

ghjkl67 View the latest post

No unread posts Mini Transmitter Flashback

35Z5

4

618

Jan Mon 11, 2016 12:40 am

black85vette View the latest post

No unread posts Attachment(s) Making a Radio into a Transmitter

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

BrendaAnnD

43

5572

Jan Wed 06, 2016 7:06 am

Pbpix View the latest post

No unread posts Attachment(s) Homebrew A.M. reciever

kc5gym

19

2453

Jan Sat 02, 2016 9:55 pm

Norm Leal View the latest post

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