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No unread posts Attachment(s) Portable radio 12v conversion

MWC

13

5924

Jun Sun 05, 2016 4:14 pm

Usually Lurking View the latest post

No unread posts Attachment(s) template for a transistor sw receiver needed

lennyshere

7

992

Jun Wed 01, 2016 4:18 am

Jim Mueller View the latest post

No unread posts basic oscillator circuit

paggaudet

0

411

May Fri 27, 2016 5:50 am

paggaudet View the latest post

No unread posts 2N2222 homebrew

Delcoman

16

5323

May Thu 26, 2016 1:54 am

Alfredo_T View the latest post

No unread posts Basic Radio Circuit

paggaudet

0

755

May Wed 25, 2016 11:08 pm

paggaudet View the latest post

No unread posts Attachment(s) FM Miniloop Detector

JPascal

1

500

May Sun 22, 2016 9:22 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Sweep tubes as AF output?

BakelitePete

17

1858

May Sun 22, 2016 5:39 am

BobWeaver View the latest post

No unread posts Attachment(s) Neon flicker light build

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

Tube Radio

69

5034

May Sun 22, 2016 1:40 am

Tube Radio View the latest post

No unread posts 6888 broadcaster kit

bill hamre

1

501

May Fri 20, 2016 2:17 pm

bill hamre View the latest post

No unread posts Sparkfun oscilloscope clock mod question

Tube Radio

7

842

May Tue 17, 2016 1:47 am

Tube Radio View the latest post

No unread posts Pebbles two tube bc/sw regenerative.

jimbob

8

1326

May Mon 16, 2016 10:21 pm

Scot Armstrong View the latest post

No unread posts Attachment(s) Dirt cheap tubes that sound good

[ Go to pageGo to page: 1, 2 ]

tube42

37

6261

May Mon 16, 2016 2:48 pm

bill hamre View the latest post

No unread posts Attachment(s) DC-DC boost converter on/off sense circuit?

[ Go to pageGo to page: 1, 2 ]

tack

33

2501

May Fri 13, 2016 6:42 am

BobWeaver View the latest post

No unread posts how difficult and expensive to build power supply for preamp

wireless 12

6

734

May Thu 12, 2016 9:45 pm

Bruce Hagen View the latest post

No unread posts Attachment(s) Forming wire into big coil that can stay put 'till stretched

Macrohenry

11

937

May Mon 09, 2016 5:02 pm

Macrohenry View the latest post

No unread posts Winding a bifilar toroid question

Mike6158

6

725

May Fri 06, 2016 2:46 am

Mike6158 View the latest post

No unread posts Cutting a Hole in Aluminum Panel

Macrohenry

13

1416

May Thu 05, 2016 1:57 pm

rwhale View the latest post

No unread posts Attachment(s) 6 volt farm set battery eliminator

bowfin

11

1315

May Wed 04, 2016 9:55 pm

OldWireBender View the latest post

No unread posts Attachment(s) Ideas for adding a phase inverter to a vintage amp

classicelectronicsguy

8

851

Apr Thu 28, 2016 2:59 am

classicelectronicsguy View the latest post

No unread posts 'Gibson Girl' Crystal Radio

vu2nan

2

700

Apr Wed 27, 2016 4:11 pm

vu2nan View the latest post

No unread posts Variable cap.markings

jimbob

1

538

Apr Wed 27, 2016 12:54 am

Bill M View the latest post

No unread posts Attachment(s) Buck Regulators

ghjkl67

8

1014

Apr Tue 26, 2016 2:30 pm

Rich, W3HWJ View the latest post

No unread posts 47uf non electrolytic capacitor

jimbob

5

937

Apr Sat 23, 2016 3:49 am

threeneurons View the latest post

No unread posts 1mHz crystal in 7-pin tube

TDane

3

711

Apr Sat 23, 2016 3:35 am

Als_Basement View the latest post

No unread posts Attachment(s) Stereo to Mono Adapter

Maraakate

6

828

Apr Tue 19, 2016 1:16 am

random73 View the latest post

No unread posts Philco Amp

35Z5

2

763

Apr Wed 13, 2016 1:59 pm

35Z5 View the latest post

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

jmnnn

17

1396

Apr Tue 12, 2016 7:33 pm

Flipperhome View the latest post

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

Diverted

4

1219

Apr Tue 12, 2016 5:19 am

Jthorusen View the latest post

No unread posts Power transformers

jimbob

9

862

Apr Tue 05, 2016 11:26 pm

jimbob View the latest post

No unread posts Attachment(s) Crystal controlled regenerative detector

Scot Armstrong

2

592

Apr Tue 05, 2016 2:51 am

LM386 View the latest post

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

zarco

11

1946

Apr Fri 01, 2016 11:19 pm

Scot Armstrong View the latest post

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

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

black85vette

64

7586

Mar Thu 31, 2016 1:50 pm

35Z5 View the latest post

No unread posts VR tubes in series dropping resistor calc?

Yeti575

4

610

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

1208

Mar Sun 27, 2016 3:00 pm

jim rozen View the latest post

No unread posts TDA1013B alternative?

Macrohenry

4

711

Mar Sat 26, 2016 5:12 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) 6e5 tuning indicator

mhayden29

9

1646

Mar Tue 22, 2016 10:00 pm

mhayden29 View the latest post

No unread posts Attachment(s) Another homebrew guitar amp

BakelitePete

10

1253

Mar Sat 19, 2016 1:51 pm

wazz View the latest post

No unread posts Panel Lettering Stamp

Rich, W3HWJ

5

855

Mar Sat 19, 2016 2:43 am

Jim Mueller View the latest post

No unread posts Speaker mod question

Tube Radio

2

476

Mar Thu 17, 2016 8:40 pm

Tube Radio View the latest post

No unread posts 1926 ARRl Handbook Regenerative

targeteye

6

1016

Mar Thu 17, 2016 12:51 am

wazz View the latest post

No unread posts Difference between regen and super-regen?

zarco

2

687

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

1953

Mar Wed 16, 2016 12:21 pm

black85vette View the latest post

No unread posts hbr 13c

justnew

4

705

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

4173

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

2427

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

1716

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

9908

Mar Thu 03, 2016 6:44 pm

melw44 View the latest post

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

black85vette

9

886

Mar Thu 03, 2016 5:48 pm

black85vette View the latest post

No unread posts Duncan PSU Designer 2

BakelitePete

1

475

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

2098

Feb Sun 28, 2016 4:45 pm

Tube Radio View the latest post

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