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Alan Voorhees

0

13874

Jan Sun 22, 2023 9:10 am

Alan Voorhees View the latest post

No unread posts How to fix >> DEACTIVATED ACCOUNT <<

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Alan Voorhees

34

39111

Jun Sun 04, 2023 3:07 am

Electronic Memory View the latest post

Topics
No unread posts Choccy Block Crystal Radio

Rich, W3HWJ

7

439

Jun Tue 06, 2023 9:20 pm

BobWeaver View the latest post

No unread posts Attachment(s) Help explaining schematic

arianskre

9

285

Jun Tue 06, 2023 8:02 pm

arianskre View the latest post

No unread posts Attachment(s) Circuit for digital frequency display

Tube Radio

10

419

Jun Tue 06, 2023 1:33 pm

Tube Radio View the latest post

No unread posts Attachment(s) Converting RCA plug input to coax output

frontier

6

219

Jun Mon 05, 2023 4:46 pm

LM386 View the latest post

No unread posts Attachment(s) UPDATE #2: RC-30 Manual television Cabinet Almost done!

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Mr. Highlander

52

14887

Jun Mon 05, 2023 12:17 am

Jim Mueller View the latest post

No unread posts Attachment(s) My favorite 1920s radio power supply

Dave Slusarczyk

3

207

Jun Sat 03, 2023 8:34 pm

Dave Slusarczyk View the latest post

No unread posts Attachment(s) Solid State SW Superhet

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towble

22

905

Jun Sat 03, 2023 8:26 am

ACORNVALVE View the latest post

No unread posts Attachment(s) PVC Fittings Plug-in coils

Rich, W3HWJ

10

493

Jun Fri 02, 2023 10:51 pm

Macrohenry View the latest post

No unread posts Attachment(s) Just what is this??

arianskre

2

205

Jun Fri 02, 2023 4:07 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) DIY Multiplexer?

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Maraakate

24

8139

May Wed 31, 2023 3:03 pm

Maraakate View the latest post

No unread posts Attachment(s) Troubling old-man's-toy TX

pehamel

6

542

May Tue 30, 2023 4:17 am

pehamel View the latest post

No unread posts Attachment(s) Replicating Miller 242-A Antenna Coil

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Macrohenry

39

2417

May Mon 29, 2023 7:37 pm

Macrohenry View the latest post

No unread posts Attachment(s) A simple, single-ended 6Y6 amplifier

Yote

15

1749

May Sat 27, 2023 10:08 am

battradio@ View the latest post

No unread posts Attachment(s) Homebrew type 30 tube audio amp

aa5nut

11

3442

May Thu 25, 2023 4:53 pm

radioman123 View the latest post

No unread posts Attachment(s) Morgan Regen Project

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Rich, W3HWJ

24

991

May Mon 22, 2023 3:52 pm

olddavid View the latest post

No unread posts Attachment(s) 6GY6 two tube transmitter question

Tube Radio

15

2506

May Fri 19, 2023 4:42 am

Tube Radio View the latest post

No unread posts Attachment(s) Push pull 45 amp question

Tube Radio

4

390

May Wed 17, 2023 5:41 pm

Tube Radio View the latest post

No unread posts Attachment(s) interstage transformer or tube inverter?

classicelectronicsguy

10

990

May Wed 17, 2023 5:30 pm

classicelectronicsguy View the latest post

No unread posts Is SMPS ferrite core responsive to RF ?

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Vintage A

37

1824

May Tue 16, 2023 10:03 am

ACORNVALVE View the latest post

No unread posts Attachment(s) "Use your TV set as an oscilloscope"

AlekZ

5

573

May Sun 14, 2023 5:41 am

AlekZ View the latest post

No unread posts looking for a 300 watt mod transformer for my johnson 500

awoodeye

1

178

May Sun 14, 2023 3:51 am

Jim Mueller View the latest post

No unread posts Attachment(s) Curious eBay find- Pomona box with 12 MPF102's on a circuit

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keithostertag

21

1216

May Thu 11, 2023 9:48 pm

Alfredo_T View the latest post

No unread posts Attachment(s) Meissner 2-tube regen -- revised and working

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allthumbs

38

2560

May Thu 11, 2023 1:25 am

olddavid View the latest post

No unread posts Attachment(s) Constant voltage circuit

Tube Radio

15

873

May Wed 10, 2023 5:27 pm

Tube Radio View the latest post

No unread posts Attachment(s) cathode circuit design

AI6LY

5

380

May Mon 08, 2023 9:37 pm

Tom Bavis View the latest post

No unread posts Homemade power supply advice needed

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frontier

21

944

May Mon 08, 2023 4:43 am

frontier View the latest post

No unread posts Attachment(s) Phase splitter question

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Tube Radio

23

1747

May Sun 07, 2023 2:23 pm

Tube Radio View the latest post

No unread posts Attachment(s) Purpose of ground

K4YDO

17

886

May Fri 05, 2023 9:08 pm

BobWeaver View the latest post

No unread posts Attachment(s) UTC Trans substitute.

err ducks

3

322

May Fri 05, 2023 6:11 pm

err ducks View the latest post

No unread posts Attachment(s) Switching Synchronous Detector Half Complete

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Macrohenry

20

1157

May Thu 04, 2023 7:34 pm

Macrohenry View the latest post

No unread posts Attachment(s) Magnetized toroids?

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Macrohenry

20

1534

May Thu 04, 2023 2:54 pm

Macrohenry View the latest post

No unread posts ProgRock - 'programmable' crystal

Mike Yancey

6

407

Apr Sun 30, 2023 9:36 pm

hbr nut View the latest post

No unread posts Attachment(s) 2 Tube Amplified Crystal Radio

robroot61

12

726

Apr Sun 30, 2023 5:11 pm

robroot61 View the latest post

No unread posts Attachment(s) HV Power Supply

K4YDO

4

606

Apr Sat 29, 2023 2:22 pm

eduardoa View the latest post

No unread posts Attachment(s) building a 6bk7 6gy6 am transmitter

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ego sum jp

37

2952

Apr Sat 29, 2023 3:14 am

Dale Saukerson View the latest post

No unread posts Attachment(s) Screen circuit voltage/resistance questions

allthumbs

9

668

Apr Sun 23, 2023 11:00 pm

BobWeaver View the latest post

No unread posts Hoiw are temp-stabilized resistors used?

Macrohenry

3

321

Apr Sun 23, 2023 2:11 am

Jim Mueller View the latest post

No unread posts Attachment(s) Another transformer output question.

K4YDO

9

572

Apr Sun 23, 2023 12:55 am

Jim Mueller View the latest post

No unread posts Attachment(s) 6V Vibrapack

arianskre

7

565

Apr Sat 22, 2023 3:16 pm

bcascisa View the latest post

No unread posts Attachment(s) Tube audio buffer

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Tube Radio

33

1503

Apr Thu 20, 2023 1:52 pm

Tube Radio View the latest post

No unread posts Power Supply W. A Synchronous Vibrator

Harold Wright

2

320

Apr Wed 19, 2023 3:51 am

ACORNVALVE View the latest post

No unread posts Attachment(s) How many regens.

jimbob

10

1119

Apr Tue 18, 2023 7:05 pm

zarco View the latest post

No unread posts Attachment(s) How would I recreate this circuit?

arianskre

19

1814

Apr Mon 17, 2023 5:13 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Transformer coupled low voltage tube push pull amp

battradio@

10

749

Apr Sun 16, 2023 3:25 pm

BikenSwim View the latest post

No unread posts Attachment(s) Inductors for signal generator

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Radiator

21

1301

Apr Sat 15, 2023 8:40 pm

Macrohenry View the latest post

No unread posts Attachment(s) 0.18W HF linear amplifier with 7805 voltage regulator chip.

Dare4444

16

957

Apr Thu 13, 2023 10:50 am

ACORNVALVE View the latest post

No unread posts Looking for Graeme Zimmer's pages

Macrohenry

2

236

Apr Wed 12, 2023 9:33 pm

Mike Yancey View the latest post

No unread posts Attachment(s) TO MAKE AN ADJUSTED GRID-LEAK

Chas

15

1299

Apr Mon 10, 2023 10:18 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Increase Sensitivity of 20ua meter. (amplifier?)

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WA1KPD

30

1825

Apr Mon 10, 2023 3:51 am

smithdoor View the latest post

No unread posts Attachment(s) RF Voltmeter module for VTVM or DMM

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Eric E

25

1606

Apr Sun 09, 2023 5:06 pm

smithdoor View the latest post

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