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No unread posts Attachment(s) Buck Regulators

ghjkl67

8

929

Apr Tue 26, 2016 2:30 pm

Rich, W3HWJ View the latest post

No unread posts 47uf non electrolytic capacitor

jimbob

5

858

Apr Sat 23, 2016 3:49 am

threeneurons View the latest post

No unread posts 1mHz crystal in 7-pin tube

TDane

3

661

Apr Sat 23, 2016 3:35 am

Als_Basement View the latest post

No unread posts Attachment(s) Stereo to Mono Adapter

Maraakate

6

752

Apr Tue 19, 2016 1:16 am

random73 View the latest post

No unread posts Philco Amp

35Z5

2

706

Apr Wed 13, 2016 1:59 pm

35Z5 View the latest post

No unread posts Attachment(s) 6BK7 6GY6 Transmitter Broadcast Range

jmnnn

17

1288

Apr Tue 12, 2016 7:33 pm

Flipperhome View the latest post

No unread posts Attachment(s) Home brew Fender-style amp

Diverted

4

1143

Apr Tue 12, 2016 5:19 am

Jthorusen View the latest post

No unread posts Power transformers

jimbob

9

798

Apr Tue 05, 2016 11:26 pm

jimbob View the latest post

No unread posts Attachment(s) Crystal controlled regenerative detector

Scot Armstrong

2

538

Apr Tue 05, 2016 2:51 am

LM386 View the latest post

No unread posts Attachment(s) high performance tube regen receiver?

zarco

11

1798

Apr Fri 01, 2016 11:19 pm

Scot Armstrong View the latest post

No unread posts Attachment(s) Homebrew general purpose tube audio amp

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black85vette

64

7082

Mar Thu 31, 2016 1:50 pm

35Z5 View the latest post

No unread posts VR tubes in series dropping resistor calc?

Yeti575

4

551

Mar Wed 30, 2016 11:16 pm

Yeti575 View the latest post

No unread posts Attachment(s) Need Help calculating a voltage divider.

[ Go to pageGo to page: 1, 2 ]

Weanedontubes

20

1066

Mar Sun 27, 2016 3:00 pm

jim rozen View the latest post

No unread posts TDA1013B alternative?

Macrohenry

4

606

Mar Sat 26, 2016 5:12 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) 6e5 tuning indicator

mhayden29

9

1563

Mar Tue 22, 2016 10:00 pm

mhayden29 View the latest post

No unread posts Attachment(s) Another homebrew guitar amp

BakelitePete

10

1154

Mar Sat 19, 2016 1:51 pm

wazz View the latest post

No unread posts Panel Lettering Stamp

Rich, W3HWJ

5

766

Mar Sat 19, 2016 2:43 am

Jim Mueller View the latest post

No unread posts Speaker mod question

Tube Radio

2

438

Mar Thu 17, 2016 8:40 pm

Tube Radio View the latest post

No unread posts 1926 ARRl Handbook Regenerative

targeteye

6

942

Mar Thu 17, 2016 12:51 am

wazz View the latest post

No unread posts Difference between regen and super-regen?

zarco

2

641

Mar Thu 17, 2016 12:44 am

wazz View the latest post

No unread posts Attachment(s) My second 12 volt regenerative receiver

[ Go to pageGo to page: 1, 2 ]

black85vette

31

1750

Mar Wed 16, 2016 12:21 pm

black85vette View the latest post

No unread posts hbr 13c

justnew

4

642

Mar Tue 15, 2016 4:35 pm

Peter Bertini View the latest post

No unread posts Attachment(s) 90 volt power supply

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

RHam

43

3698

Mar Sun 06, 2016 7:14 pm

RHam View the latest post

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

[ Go to pageGo to page: 1, 2 ]

black85vette

24

2210

Mar Sat 05, 2016 1:01 am

black85vette View the latest post

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

[ Go to pageGo to page: 1, 2 ]

Macrohenry

23

1545

Mar Thu 03, 2016 10:38 pm

Flipperhome View the latest post

No unread posts Attachment(s) One tube all bander

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

melw44

56

9544

Mar Thu 03, 2016 6:44 pm

melw44 View the latest post

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

black85vette

9

812

Mar Thu 03, 2016 5:48 pm

black85vette View the latest post

No unread posts Duncan PSU Designer 2

BakelitePete

1

430

Mar Tue 01, 2016 12:02 am

Leigh View the latest post

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

[ Go to pageGo to page: 1, 2 ]

Tube Radio

27

1901

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

724

Feb Thu 25, 2016 2:42 pm

dkjones96 View the latest post

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

BakelitePete

5

697

Feb Thu 25, 2016 9:00 am

Flipperhome View the latest post

No unread posts Attachment(s) Crystal radio question

[ Go to pageGo to page: 1, 2 ]

ChrisRI

22

1485

Feb Wed 24, 2016 9:13 pm

homebrew View the latest post

No unread posts Attachment(s) Power supply design queston

[ Go to pageGo to page: 1, 2 ]

Tube Radio

20

1528

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

434

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

7046

Feb Tue 16, 2016 9:05 pm

tjugofyra View the latest post

No unread posts 60FX5 Amp volume control using negative feedback

Macrohenry

6

689

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

959

Feb Sat 13, 2016 2:53 am

Flipperhome View the latest post

No unread posts Attachment(s) Simple tube amp question

Dennis H.

16

965

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

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

black85vette

44

2623

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

945

Feb Wed 10, 2016 4:08 am

tube42 View the latest post

No unread posts LM386 vs TDA7052A

flyboy71

9

1173

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

14845

Feb Mon 08, 2016 4:07 am

john8750 View the latest post

No unread posts Attachment(s) DIY Multiplexer?

Maraakate

17

1269

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

4138

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

601

Feb Sun 07, 2016 6:12 pm

Rich, W3HWJ View the latest post

No unread posts Evolved antennas

K9LOL

10

914

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

1119

Feb Wed 03, 2016 4:49 am

radiotechnician View the latest post

No unread posts Some thoughts on UHF Crystal Radios

vu2nan

0

387

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

2105

Feb Mon 01, 2016 3:32 am

Jthorusen View the latest post

No unread posts UHF Crystal Radio

vu2nan

6

1024

Jan Sat 30, 2016 7:30 pm

vu2nan View the latest post

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