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Post New Topic  [ 3343 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6, 7, 8 ... 67  Next
 Topics   Author   Replies   Views   Last post 
No unread posts Attachment(s) Can you use a voltage doubler to run a farm tube radio?

Kennynva

18

2797

Dec Mon 18, 2017 11:54 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) Help with this Theremin project...

Tkilboy

10

628

Dec Mon 18, 2017 2:31 am

Jim Mueller View the latest post

No unread posts 6SN7 - 6V6 Amp Question

Mike Toon

3

2871

Dec Fri 15, 2017 2:43 pm

orbanp View the latest post

No unread posts Designing bench ABC eliminator, What outputs required?

JohnSchw

6

737

Dec Thu 14, 2017 3:43 am

targeteye View the latest post

No unread posts Attachment(s) Power Transformer Wiring for Amplifier Kit

Jamiecj5

7

725

Dec Sun 10, 2017 2:50 am

Jamiecj5 View the latest post

No unread posts Radio build question!

DragCat352

9

919

Dec Sat 09, 2017 4:27 pm

Mr. Detrola View the latest post

No unread posts Sylvania RM-300X output mod

Tube Radio

0

267

Dec Fri 08, 2017 10:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) WALFORDS REGEN TRF

KB3BYT

18

1973

Dec Thu 07, 2017 7:37 am

LM386 View the latest post

No unread posts Attachment(s) Simple Tesla coil

Number 6

7

1376

Dec Thu 07, 2017 7:16 am

Number 6 View the latest post

No unread posts Attachment(s) Filter cap size on a homebrew b plus power supply

ballroad

12

1366

Dec Mon 04, 2017 4:00 am

KA8GEF View the latest post

No unread posts Attachment(s) Class E transmitter with $12 MW Frequency Synthesizer

[ Go to pageGo to page: 1, 2 ]

Macrohenry

32

2789

Dec Sat 02, 2017 5:11 am

Macrohenry View the latest post

No unread posts Attachment(s) Doctor's office radio

fifties

3

786

Nov Tue 28, 2017 11:52 pm

Colin Ames View the latest post

No unread posts Attachment(s) Crystal oscillator question

allthumbs

8

815

Nov Mon 27, 2017 9:39 pm

dtvmcdonald View the latest post

No unread posts Attachment(s) Templates For Drilling Speaker Grill Holes?

Frank512

9

800

Nov Mon 27, 2017 1:59 am

Frank512 View the latest post

No unread posts Why not a PWM xmtr project?

Alan

7

873

Nov Mon 27, 2017 12:43 am

BobWeaver View the latest post

No unread posts 80 meter band loop antenna

neutronic

0

516

Nov Sun 26, 2017 11:42 pm

neutronic View the latest post

No unread posts Three different 6888 & 6GY6 xmitt versions...

[ Go to pageGo to page: 1, 2 ]

35Z5

33

21863

Nov Sun 19, 2017 4:33 pm

j8000 View the latest post

No unread posts long wire antenna and metal roof question ?

knox

4

883

Nov Sun 19, 2017 8:44 am

battradio@ View the latest post

No unread posts Attachment(s) How to build this Philmore Crystal Kit?

mdulleck

13

1221

Nov Fri 17, 2017 7:59 pm

fifties View the latest post

No unread posts Introduction/transmitter schematic location for 6888

j8000

3

584

Nov Thu 16, 2017 3:52 pm

j8000 View the latest post

This topic is locked, you cannot edit posts or make further replies. RIP SSTrans AMT3000

ekimetsok

3

704

Nov Wed 15, 2017 4:10 pm

Eickerman View the latest post

No unread posts Megadyne and other questions

philwashere

14

4579

Nov Wed 15, 2017 6:18 am

Norm_N_Tam View the latest post

No unread posts Speaker field coil power supply

Ed Jacobs

19

1484

Nov Mon 13, 2017 1:49 pm

Tube Radio View the latest post

No unread posts Determining the Mix/type of an Unknown Toroid

ab5ni

6

1504

Nov Sun 12, 2017 4:20 am

OldWireBender View the latest post

No unread posts Attachment(s) Looking for suggestions on my Halli S-38A

[ Go to pageGo to page: 1, 2 ]

allthumbs

22

4025

Nov Sun 12, 2017 1:28 am

allthumbs View the latest post

No unread posts Attachment(s) EL 504 single tube FM band transmitter

dimis

6

1021

Nov Sat 11, 2017 5:17 am

Jim Mueller View the latest post

No unread posts Computer Power Supplies and Powering Homebrew Stuff

[ Go to pageGo to page: 1, 2 ]

ab5ni

32

4182

Nov Fri 10, 2017 4:25 am

SmoothOscillator View the latest post

No unread posts load line calculation questions

lennyshere

13

1223

Nov Tue 07, 2017 9:04 pm

Peter Bertini View the latest post

No unread posts BEST GRID LEAK CAPACITOR & RESISTOR OPINIONS

[ Go to pageGo to page: 1, 2 ]

johnamery

22

10002

Nov Mon 06, 2017 3:06 pm

infzqi View the latest post

No unread posts Attachment(s) Motor experiment

Tube Radio

10

2448

Nov Mon 06, 2017 11:21 am

Tube Radio View the latest post

No unread posts Help ID this 3 chassis 19 tube homebrew MONSTER..

Primitiveradiogod

11

1807

Nov Sun 05, 2017 6:09 pm

dtvmcdonald View the latest post

No unread posts Attachment(s) Built LM386's Regen He Posted

ab5ni

10

1431

Nov Sun 05, 2017 3:13 pm

J310 View the latest post

No unread posts Attachment(s) RF amplifier for low voltage vacuum tube raython 6418

KARLTON

3

641

Nov Thu 02, 2017 6:14 am

LM386 View the latest post

No unread posts Attachment(s) Simple Solid State TRF with Selectivity

fifties

18

4802

Nov Wed 01, 2017 5:12 am

Mike Toon View the latest post

No unread posts Attachment(s) Philco amp re-build.

[ Go to pageGo to page: 1 ... 12, 13, 14 ]

john8750

268

18433

Nov Wed 01, 2017 12:02 am

john8750 View the latest post

No unread posts 6v6 SE stereo (Lacewood amp)

Pbpix

16

1350

Oct Tue 31, 2017 7:19 am

john8750 View the latest post

No unread posts Attachment(s) PC Sound card Oscilloscope

smithdoor

5

876

Oct Fri 27, 2017 7:48 pm

smithdoor View the latest post

No unread posts 3 Tube SW Battery Radio Question (from Peebles Original)

krmiskimon

7

1113

Oct Thu 26, 2017 8:01 pm

SkyKing View the latest post

No unread posts Attachment(s) TL431 to replace 6888 transformer?

Mike Toon

13

1721

Oct Wed 25, 2017 6:36 pm

bill hamre View the latest post

No unread posts Attachment(s) Clever 6V6 audio amp with two novel circuits

[ Go to pageGo to page: 1 ... 6, 7, 8 ]

Pbpix

158

8865

Oct Wed 25, 2017 6:08 am

Pbpix View the latest post

No unread posts Vacuum variable cap in HB regen?

zarco

6

715

Oct Fri 20, 2017 3:05 pm

zarco View the latest post

No unread posts Homebrew Hegehog Audio Interstage Transformer.

Ed Kraushar

6

794

Oct Thu 19, 2017 11:07 pm

Macrohenry View the latest post

No unread posts Attachment(s) Push pull 45 amp

Tube Radio

7

1265

Oct Wed 18, 2017 11:57 am

Tube Radio View the latest post

No unread posts Attachment(s) RF amp circuit

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

Tube Radio

55

3512

Oct Wed 18, 2017 12:01 am

ab5ni View the latest post

No unread posts 6-Band SSB/AM/CW XCVR For Around $150.00

ab5ni

2

986

Oct Sat 14, 2017 11:44 pm

ab5ni View the latest post

No unread posts Attachment(s) Homemade Triple Ferrite Rod Antenna For AM DXing

Frank512

4

1015

Oct Sat 14, 2017 1:03 pm

Frank512 View the latest post

No unread posts Attachment(s) Single ended amplifier

[ Go to pageGo to page: 1, 2 ]

gtb81

24

1823

Oct Thu 12, 2017 12:42 am

Pbpix View the latest post

No unread posts Modding an antique radio into an amp

telkmx

16

1687

Oct Wed 11, 2017 7:28 pm

Tube Radio View the latest post

No unread posts 12 volt version of a # 47 panel light bulb

lennyshere

3

639

Oct Tue 10, 2017 9:13 pm

35Z5 View the latest post

No unread posts Attachment(s) 32V DC power supply?

sdradioman

11

1713

Oct Mon 09, 2017 4:14 am

OldWireBender View the latest post

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