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No unread posts Remote power supply

Ed Jacobs

4

479

May Mon 29, 2017 8:46 pm

Ed Jacobs View the latest post

No unread posts Attachment(s) LC filter design

Tube Radio

12

754

May Sat 27, 2017 5:44 pm

Tube Radio View the latest post

No unread posts Attachment(s) 807 Williamson (sort of) UL Amplifier

Flipperhome

14

1112

May Sat 27, 2017 4:47 am

Flipperhome View the latest post

No unread posts Homebrew Power Supply

sfox7076

4

673

May Fri 26, 2017 3:26 pm

sfox7076 View the latest post

No unread posts cub scout xtal

bill hamre

2

482

May Tue 23, 2017 11:39 pm

bill hamre View the latest post

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

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Isky

41

1469

May Tue 23, 2017 3:01 pm

Isky View the latest post

No unread posts XSS infinite impedance detector kit.

Felix

0

348

May Mon 22, 2017 11:40 am

Felix View the latest post

No unread posts Attachment(s) homebrew eye tube add on

aa5nut

7

1534

May Fri 19, 2017 8:53 pm

Audioman View the latest post

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

allthumbs

19

1123

May Wed 17, 2017 1:39 am

BobWeaver View the latest post

No unread posts Speed control circuit question

Tube Radio

8

648

May Mon 15, 2017 3:40 pm

Tube Radio View the latest post

No unread posts Attachment(s) QRM trap

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tjugofyra

42

2070

May Mon 15, 2017 2:56 pm

madlabs View the latest post

No unread posts Attachment(s) HF Alternator Tests

harry dalek

12

630

May Mon 15, 2017 10:19 am

harry dalek View the latest post

No unread posts TDA7052 audio amp obsolete

flyboy71

4

1008

May Sun 07, 2017 11:51 pm

flyboy71 View the latest post

No unread posts Attachment(s) Voltage doubler/diode integrator AM detectors.

Felix

3

606

May Sun 07, 2017 7:42 am

Felix View the latest post

No unread posts Attachment(s) 6888 AM broadcaster with PCB

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bill hamre

118

27021

May Sat 06, 2017 2:17 pm

gizmojeff View the latest post

No unread posts Attachment(s) DIY ground loop isolator

Tube Radio

4

705

May Wed 03, 2017 5:54 am

Tube Radio View the latest post

No unread posts Attachment(s) Battery Tube AM BCB Transmitter

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Hcompton79

73

5190

May Wed 03, 2017 5:17 am

Hcompton79 View the latest post

No unread posts Talking House AM Transmitter MODIFICATION IDEAS HELP?

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gmcjetpilot

83

33421

May Tue 02, 2017 5:09 pm

ke4mcl View the latest post

No unread posts Attachment(s) Modifying an old receiver to double as a wave trap.

DanBL

16

1268

Apr Sun 30, 2017 11:37 pm

wazz View the latest post

No unread posts Attachment(s) Remote volume control ideas

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Tube Radio

28

1601

Apr Thu 27, 2017 11:41 pm

Tube Radio View the latest post

No unread posts Ramsey FM transmitter noise

Captainquad

9

813

Apr Mon 24, 2017 10:01 pm

Audioman View the latest post

No unread posts Attachment(s) Wow what beautiful AM transmitter handiwork

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Pbpix

36

3681

Apr Mon 17, 2017 9:06 am

FreeElectron View the latest post

No unread posts DYI Weather "NOAA" radio

transoceanic 8523

10

991

Apr Sat 15, 2017 4:13 am

mblack View the latest post

No unread posts Any disadvantage in relocating output transformer?

Mike Toon

14

1275

Apr Fri 14, 2017 3:20 am

westcoastjohn View the latest post

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

[ Go to pageGo to page: 1, 2 ]

Tube Radio

28

3410

Apr Thu 13, 2017 3:05 pm

Tube Radio View the latest post

No unread posts Attachment(s) 12AV6-12CS6 Transmitter(Revised Schematic)

[ Go to pageGo to page: 1 ... 31, 32, 33 ]

35Z5

658

94222

Apr Mon 10, 2017 5:47 pm

john8750 View the latest post

No unread posts DIY Magnavox CR-198C dial lamps

Tube Radio

3

597

Apr Mon 10, 2017 3:03 am

Tube Radio View the latest post

Moved topic Attachment(s) Moved: Anyone do mods for others on Amateur Radio gear?

doc-kd4e

11

1085

Apr Sun 09, 2017 6:29 pm

doc-kd4e View the latest post

No unread posts BC-455A audio amp question (power supply)

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

2768

Apr Fri 07, 2017 2:43 pm

Tube Radio View the latest post

No unread posts RCA STRATO WORLD 3-BX-671 CONVERT TO ADD FM????

Froggy115

9

1164

Apr Fri 07, 2017 3:21 am

westcoastjohn View the latest post

No unread posts Attachment(s) Remote speaker for Sparton 6V6 radio

westcoastjohn

13

1079

Apr Tue 04, 2017 3:48 pm

Tube Radio View the latest post

No unread posts Attachment(s) Any neat ZN414 schematics out there?

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BakelitePete

20

2581

Mar Fri 31, 2017 6:53 pm

terryrh View the latest post

No unread posts Input impedance on Logitech Z130 ??

michael w

2

522

Mar Tue 28, 2017 6:00 am

michael w View the latest post

No unread posts cutting larger holes in chassis

N0BST

11

1050

Mar Tue 28, 2017 3:35 am

kc5gym View the latest post

No unread posts Attachment(s) A "modern" tube theremin

kc5gym

9

938

Mar Tue 28, 2017 2:37 am

kc5gym View the latest post

No unread posts Attachment(s) Crystal radio explanation

CR220

18

1782

Mar Mon 27, 2017 9:14 am

homebrew View the latest post

No unread posts Attachment(s) Dual Rectifiers wired in Parallel???

Kasanay

2

817

Mar Wed 22, 2017 7:45 pm

eeprof View the latest post

No unread posts Attachment(s) Unknown homemade antique tube device

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

sml132

46

4362

Mar Mon 20, 2017 8:56 am

KB5PWL View the latest post

No unread posts 5 band switch for regen question!

lennyshere

1

1053

Mar Mon 20, 2017 8:25 am

KB5PWL View the latest post

No unread posts Reinartz - pics, question and ideas

[ Go to pageGo to page: 1, 2 ]

exray

29

10277

Mar Sat 18, 2017 12:42 pm

Bill M View the latest post

No unread posts GSOT54900 A20147 DSP PLL stereo WITH serial control

Flinx

1

564

Mar Sat 18, 2017 1:52 am

Flinx View the latest post

No unread posts Attachment(s) Varactor tuning question

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Tube Radio

25

2120

Mar Wed 15, 2017 7:34 pm

Tube Radio View the latest post

No unread posts Attachment(s) Generator Monitoring AC

K4YDO

8

753

Mar Wed 15, 2017 5:01 pm

radiotechnician View the latest post

No unread posts Attachment(s) Antenna Amplifier/Filter Design

[ Go to pageGo to page: 1, 2 ]

ghjkl67

24

1877

Mar Wed 15, 2017 3:48 pm

pixellany View the latest post

No unread posts Attachment(s) 4 Tube Xmitter?

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RCAProduction

28

3022

Mar Wed 01, 2017 6:23 pm

dkd View the latest post

No unread posts Attachment(s) DM160 [Soviet Equivalent] tube amp project consideration

ow346

4

795

Mar Wed 01, 2017 1:28 am

Jim Mueller View the latest post

No unread posts Heathkit GR-81 clone. "here we go again!"

lennyshere

0

655

Feb Tue 28, 2017 6:08 pm

lennyshere View the latest post

No unread posts Federal Ten Ten Heresy stereo "boom box" build

Flinx

8

1574

Feb Mon 27, 2017 8:55 pm

Colin Ames View the latest post

Moved topic Attachment(s) Moved: RCA Victor 65X1 repair

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

john8750

153

6275

Apr Mon 24, 2017 2:55 am

john8750 View the latest post

No unread posts Attachment(s) Buzzing transformer

[ Go to pageGo to page: 1, 2 ]

Yeti575

29

2307

Feb Thu 23, 2017 4:26 pm

Yeti575 View the latest post

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