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Post New Topic  [ 3545 topics ]  Go to page Previous  1, 2, 3, 4, 5 ... 71  Next
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No unread posts Attachment(s) First tube radio [WIP]

Chryseus

6

982

Aug Wed 07, 2019 8:47 pm

SkyKing View the latest post

No unread posts Attachment(s) 6888 transmitter.

mustagcoupe

11

1278

Aug Tue 06, 2019 3:04 pm

infzqi View the latest post

No unread posts Attachment(s) Single ended 6L6 amplifier

Erich Loepke

17

1148

Aug Sun 04, 2019 10:26 pm

Michiganamps View the latest post

Moved topic Moved: Bill Hamre has passed away

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bill hamre

26

2159

Aug Tue 06, 2019 11:47 am

Tube Radio View the latest post

No unread posts Graymark 512

wa6zfm

2

390

Jul Tue 23, 2019 9:11 pm

fifties View the latest post

No unread posts Ampex output transformers for DIY amp build

madlabs

9

742

Jul Tue 23, 2019 3:18 pm

madlabs View the latest post

No unread posts Attachment(s) This kid paid attention in shop class...

decotronix

7

1172

Jul Tue 23, 2019 6:18 am

BobWeaver View the latest post

No unread posts Subminiature Pentode and Dual Triode Transceiver

RCAProduction

3

455

Jul Mon 22, 2019 3:31 am

wazz View the latest post

No unread posts Fringe howl and grid leak resistors.

Rob Lenski

9

2564

Jul Thu 18, 2019 8:18 pm

infzqi View the latest post

No unread posts Attachment(s) LED power light causing 2mHz interference?

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tbone8

20

862

Jul Wed 17, 2019 2:31 pm

khutch View the latest post

No unread posts Colpitts Oscillator Tesla Coil

Tube_Enthusiast

4

506

Jul Mon 15, 2019 10:54 pm

Rich, W3HWJ View the latest post

No unread posts magnet re-magnitizer question

Tube Radio

13

894

Jul Thu 11, 2019 11:21 am

Tube Radio View the latest post

No unread posts Attachment(s) untuned rf amplifier for a regen receiver

williampage

5

587

Jul Mon 08, 2019 5:15 pm

Scot Armstrong View the latest post

No unread posts Attachment(s) One Tube Receiver

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Als_Basement

20

1636

Jul Mon 08, 2019 4:04 pm

Olden Broak View the latest post

No unread posts Attachment(s) 30 dB Gain Broadband Amp

[ Go to pageGo to page: 1, 2 ]

Macrohenry

22

1278

Jul Mon 08, 2019 12:03 am

Macrohenry View the latest post

No unread posts Attachment(s) Small tube amp

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

mustagcoupe

40

1259

Jul Sat 06, 2019 4:46 am

westcoastjohn View the latest post

No unread posts What to do with two transformers?

FStephenMasek

2

536

Jul Fri 05, 2019 1:47 am

radiotechnician View the latest post

No unread posts Attachment(s) Eye tube circuit

Tube Radio

6

465

Jul Wed 03, 2019 7:05 pm

Tube Radio View the latest post

No unread posts The Simplex X Super (clever design)

10.7Megahertz

2

522

Jul Tue 02, 2019 11:55 am

battery-maker View the latest post

No unread posts Zenith K731 Refurbish - Update! (GIANT PHOTOS)

tfest

2

482

Jun Fri 28, 2019 5:46 pm

Tube Radio View the latest post

No unread posts Attachment(s) DC SW RECEIVER

aurel

6

774

Jun Thu 27, 2019 5:33 pm

aurel View the latest post

No unread posts Anyone here used an arduino and/or raspberry pi for a radio?

Keeta

12

930

Jun Thu 27, 2019 10:57 am

eduardoa View the latest post

No unread posts Attachment(s) Direct conversion receiver tips?

[ Go to pageGo to page: 1, 2 ]

zarco

23

1656

Jun Tue 25, 2019 1:58 am

avictor View the latest post

No unread posts Attachment(s) LOW NOISE SW REGEN RECEIVER

aurel

0

364

Jun Mon 24, 2019 6:41 pm

aurel View the latest post

Moved topic Attachment(s) Moved: octal equivelent to a 12AT7 tube?

williampage

8

1146

Jul Sat 13, 2019 8:07 am

radiotechnician View the latest post

No unread posts R390A speaker match DIY

TDane

7

545

Jun Fri 21, 2019 8:17 pm

nash View the latest post

No unread posts little machine screws info.

williampage

1

351

Jun Thu 20, 2019 11:26 pm

avictor View the latest post

No unread posts Switch mode power supply help

Tube Radio

2

298

Jun Thu 20, 2019 3:36 pm

Tube Radio View the latest post

No unread posts Attachment(s) Wanted: Frequency Synthesizer Schematic

[ Go to pageGo to page: 1, 2 ]

Jthorusen

31

1771

Jun Tue 18, 2019 8:46 am

Jthorusen View the latest post

Moved topic Moved: Atwater Kent Tuning Accuracy

CR220

6

557

Jun Tue 18, 2019 4:32 pm

lorenz200w View the latest post

No unread posts Attachment(s) Modulation monitor circuit question

Tube Radio

8

585

Jun Thu 13, 2019 1:47 pm

Tube Radio View the latest post

No unread posts Attachment(s) QST two tube superhet

M1911A1

14

1252

Jun Sat 08, 2019 1:22 pm

Dennis Banker View the latest post

No unread posts Attachment(s) Decent FM band tube preamplifier?

benman94

10

721

Jun Sat 08, 2019 3:14 am

Indiana Radios View the latest post

No unread posts Attachment(s) Another Little Prince- tube preamp

[ Go to pageGo to page: 1 ... 13, 14, 15 ]

john8750

287

10781

Jun Fri 07, 2019 12:03 am

john8750 View the latest post

No unread posts sylvania 302 polymeter with Hot chassis

Airwavesantiques

6

438

Jun Tue 04, 2019 3:31 pm

stevebyan View the latest post

No unread posts Attachment(s) Tube Amplifier Modeling Software

FStephenMasek

18

802

May Fri 24, 2019 4:36 pm

benman94 View the latest post

No unread posts Attachment(s) Amplifier question

[ Go to pageGo to page: 1, 2 ]

Tube Radio

24

970

May Fri 24, 2019 3:31 pm

Tube Radio View the latest post

No unread posts Attachment(s) Scope clock modification

Tube Radio

5

557

May Wed 22, 2019 7:19 pm

Tube Radio View the latest post

No unread posts Attachment(s) Trick to winding tight coils?

zarco

12

903

May Tue 21, 2019 7:11 pm

Scot Armstrong View the latest post

Moved topic Moved: good quality pots wanted!

williampage

4

553

May Wed 22, 2019 10:28 pm

Barry H Bennett View the latest post

No unread posts Attachment(s) 3 Transistor AM radio idea

BitHog

3

577

May Mon 20, 2019 2:34 pm

LM386 View the latest post

No unread posts Making a 1937 Airline radio chassis now on Youtube

Buzz1151

9

1128

May Mon 20, 2019 4:26 am

pauls.ironhorse View the latest post

No unread posts Attachment(s) Problems with Highly Rectangular Loops ?

krystallo

5

521

May Thu 16, 2019 8:53 pm

fifties View the latest post

No unread posts Attachment(s) AM Transmitter schematic

jim campbell

12

1341

May Thu 16, 2019 7:44 pm

35Z5 View the latest post

No unread posts Attachment(s) Stewart warner combination

spsquires

1

311

May Mon 13, 2019 1:07 am

spsquires View the latest post

No unread posts Is there a ferrite rod/material for use on HF frequencies?

oldlongwave

6

620

May Mon 13, 2019 12:39 am

Jim Mueller View the latest post

No unread posts Attachment(s) My Solid State Magic Eye

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upsss

50

8689

May Sun 12, 2019 5:25 pm

engineer View the latest post

No unread posts Attachment(s) Power supply redesign

Tube Radio

18

1441

May Thu 09, 2019 10:58 pm

Tube Radio View the latest post

No unread posts Attachment(s) Remote tuner for a loop antenna

michael w

4

430

May Thu 09, 2019 7:49 pm

Macrohenry View the latest post

No unread posts Attachment(s) Building the Stancor Williamson Amp: 807 PP

[ Go to pageGo to page: 1, 2 ]

Greenhorn

20

3429

May Wed 08, 2019 4:10 am

FStephenMasek View the latest post

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