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Post New Topic  [ 3282 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6, 7 ... 66  Next
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No unread posts Attachment(s) Templates For Drilling Speaker Grill Holes?

Frank512

9

604

Nov Mon 27, 2017 1:59 am

Frank512 View the latest post

No unread posts Why not a PWM xmtr project?

Alan

7

696

Nov Mon 27, 2017 12:43 am

BobWeaver View the latest post

No unread posts 80 meter band loop antenna

neutronic

0

432

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

20823

Nov Sun 19, 2017 4:33 pm

j8000 View the latest post

No unread posts long wire antenna and metal roof question ?

knox

4

700

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

936

Nov Fri 17, 2017 7:59 pm

fifties View the latest post

No unread posts Introduction/transmitter schematic location for 6888

j8000

3

456

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

594

Nov Wed 15, 2017 4:10 pm

Eickerman View the latest post

No unread posts Megadyne and other questions

philwashere

14

4269

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

1094

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

1282

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

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allthumbs

22

3322

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

787

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

3608

Nov Fri 10, 2017 4:25 am

SmoothOscillator View the latest post

No unread posts load line calculation questions

lennyshere

13

992

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

9279

Nov Mon 06, 2017 3:06 pm

infzqi View the latest post

No unread posts Attachment(s) Motor experiment

Tube Radio

10

2130

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

1566

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

1226

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

505

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

4372

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

15005

Nov Wed 01, 2017 12:02 am

john8750 View the latest post

No unread posts 6v6 SE stereo (Lacewood amp)

Pbpix

16

1024

Oct Tue 31, 2017 7:19 am

john8750 View the latest post

No unread posts Attachment(s) PC Sound card Oscilloscope

smithdoor

5

683

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

897

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

1422

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

7250

Oct Wed 25, 2017 6:08 am

Pbpix View the latest post

No unread posts Vacuum variable cap in HB regen?

zarco

6

603

Oct Fri 20, 2017 3:05 pm

zarco View the latest post

No unread posts Homebrew Hegehog Audio Interstage Transformer.

Ed Kraushar

6

669

Oct Thu 19, 2017 11:07 pm

Macrohenry View the latest post

No unread posts Attachment(s) Push pull 45 amp

Tube Radio

7

1081

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

2822

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

903

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

902

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

1441

Oct Thu 12, 2017 12:42 am

Pbpix View the latest post

No unread posts Modding an antique radio into an amp

telkmx

16

1371

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

549

Oct Tue 10, 2017 9:13 pm

35Z5 View the latest post

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

sdradioman

11

1465

Oct Mon 09, 2017 4:14 am

OldWireBender View the latest post

No unread posts Any Simple Circuits for Post-Injection Marker Generator?

teranz

6

742

Oct Wed 04, 2017 4:29 am

teranz View the latest post

Moved topic Moved: Pulser Woodpecker For Tuning Your SSB Amplifier

ab5ni

2

719

Oct Wed 04, 2017 8:05 am

ab5ni View the latest post

No unread posts ECL86 SE amp- help

an2727

3

912

Oct Sun 01, 2017 7:55 am

an2727 View the latest post

No unread posts Attachment(s) Antique Homebrew or Kit - need help bringing her alive

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

Isky

44

5175

Sep Fri 29, 2017 4:40 am

Chas View the latest post

No unread posts 1920s Replica 1 Tube Regen

MIRAG

2

1446

Sep Fri 29, 2017 2:27 am

targeteye View the latest post

No unread posts 6888 parts kit

bill hamre

9

1772

Sep Thu 28, 2017 9:02 pm

Mike Toon View the latest post

No unread posts Attachment(s) Using TI's LME49724 Op-Amp For A Hybrid Audio Amplifier

[ Go to pageGo to page: 1 ... 5, 6, 7 ]

ab5ni

126

6076

Sep Wed 27, 2017 9:29 pm

ab5ni View the latest post

No unread posts FM tuner kit.

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

john8750

48

2897

Sep Wed 27, 2017 7:13 pm

john8750 View the latest post

No unread posts i need a scematic for an amplifier using an 01A tube

gtb81

14

1789

Sep Tue 26, 2017 1:08 am

wazz View the latest post

No unread posts Attachment(s) 1948 Popular Science "Three Pound Portable Radio"

battery-maker

15

1680

Sep Mon 25, 2017 1:51 pm

Dennis H. View the latest post

No unread posts Attachment(s) Microcontroller Based Signal Generator

[ Go to pageGo to page: 1 ... 9, 10, 11 ]

louhaskell

206

25070

Sep Sat 23, 2017 2:34 pm

Colin Ames View the latest post

No unread posts question about an AES power supply

forumuser

17

1511

Sep Fri 22, 2017 7:20 pm

Tube Radio View the latest post

No unread posts Attachment(s) Transformer orientation

Tube Radio

5

826

Sep Fri 22, 2017 6:53 pm

Tube Radio View the latest post

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