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| Topics |
Author |
Replies |
Views |
Last post |
| Announcements |
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 We're back ... What happened.
[  Go to page: 1, 2, 3 ]
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Alan Voorhees |
59 |
25978 |
Apr Thu 25, 2019 10:45 pm
Dude111
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| Topics |
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Scope clock modification
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Tube Radio |
5 |
215 |
May Wed 22, 2019 7:19 pm
Tube Radio
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Another Little Prince- tube preamp
[ Go to page: 1 ... 10, 11, 12 ]
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john8750 |
238 |
4170 |
May Wed 22, 2019 6:37 am
Flipperhome
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How about this 6L6 amplifier
[ Go to page: 1, 2, 3 ]
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FStephenMasek |
50 |
1837 |
May Tue 21, 2019 11:26 pm
FStephenMasek
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Trick to winding tight coils?
|
zarco |
12 |
252 |
May Tue 21, 2019 7:11 pm
Scot Armstrong
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Moved: good quality pots wanted!
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williampage |
3 |
134 |
May Wed 22, 2019 9:30 pm
pixellany
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3 Transistor AM radio idea
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BitHog |
3 |
154 |
May Mon 20, 2019 2:34 pm
LM386
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Making a 1937 Airline radio chassis now on Youtube
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Buzz1151 |
9 |
621 |
May Mon 20, 2019 4:26 am
pauls.ironhorse
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A Deluxe Receiver for the DX Operator
[ Go to page: 1, 2, 3, 4 ]
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Norm Johnson |
79 |
9725 |
May Sun 19, 2019 6:02 pm
Norm Johnson
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QST two tube superhet
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M1911A1 |
10 |
288 |
May Fri 17, 2019 7:59 pm
allthumbs
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Tube Amplifier Modeling Software
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FStephenMasek |
14 |
187 |
May Fri 17, 2019 5:01 am
Flipperhome
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Problems with Highly Rectangular Loops ?
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krystallo |
5 |
247 |
May Thu 16, 2019 8:53 pm
fifties
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AM Transmitter schematic
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jim campbell |
12 |
731 |
May Thu 16, 2019 7:44 pm
35Z5
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Stewart warner combination
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spsquires |
1 |
153 |
May Mon 13, 2019 1:07 am
spsquires
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Is there a ferrite rod/material for use on HF frequencies?
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oldlongwave |
6 |
309 |
May Mon 13, 2019 12:39 am
Jim Mueller
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My Solid State Magic Eye
[ Go to page: 1, 2, 3 ]
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upsss |
50 |
6477 |
May Sun 12, 2019 5:25 pm
engineer
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Power supply redesign
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Tube Radio |
18 |
689 |
May Thu 09, 2019 10:58 pm
Tube Radio
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Remote tuner for a loop antenna
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michael w |
4 |
152 |
May Thu 09, 2019 7:49 pm
Macrohenry
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Building the Stancor Williamson Amp: 807 PP
[ Go to page: 1, 2 ]
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Greenhorn |
20 |
2508 |
May Wed 08, 2019 4:10 am
FStephenMasek
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Single-ended push-pull Better design found?
[ Go to page: 1, 2 ]
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westcoastjohn |
23 |
577 |
May Mon 06, 2019 10:55 pm
radiotechnician
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coronado 650a power supply
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Rich berg |
15 |
417 |
May Mon 06, 2019 2:56 pm
Rich berg
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schematic for CLC filtered power supply wanted
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williampage |
18 |
387 |
May Sun 05, 2019 6:32 am
Usually Lurking
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Reproduction KNIGHT AM BROADCASTER
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w0vt |
2 |
328 |
May Sat 04, 2019 5:28 pm
Mike Toon
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Westinghouse H122 has new power supply.
[ Go to page: 1, 2, 3 ]
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westcoastjohn |
56 |
8140 |
May Fri 03, 2019 8:29 pm
westcoastjohn
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Super-Duper Simple single-FET external AM-BCB booster...
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xrhonda91 |
16 |
871 |
May Fri 03, 2019 7:02 pm
wazz
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Low pass filter addition to amplifier
[ Go to page: 1, 2 ]
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Tube Radio |
39 |
1383 |
Apr Tue 30, 2019 9:43 pm
Tube Radio
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Amplifier question
[ Go to page: 1, 2 ]
|
Tube Radio |
23 |
473 |
Apr Mon 29, 2019 6:49 pm
Tube Radio
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250 volt power supply info needed.
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williampage |
17 |
885 |
Apr Mon 29, 2019 5:46 pm
Usually Lurking
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Wanted: Frequency Synthesizer Schematic
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Jthorusen |
5 |
226 |
Apr Mon 29, 2019 1:49 am
Dare4444
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Op Amp problems
[ Go to page: 1, 2, 3, 4 ]
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Dennis H. |
74 |
1316 |
Apr Sun 28, 2019 6:03 pm
pauls.ironhorse
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Calculating dropping resisitor for zener diodes
[ Go to page: 1, 2 ]
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Yeti575 |
20 |
371 |
Apr Thu 25, 2019 6:08 pm
upsss
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How do bidirectional amps work?
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Macrohenry |
6 |
242 |
Apr Thu 25, 2019 12:35 am
Macrohenry
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AM PLL Transmitter kit
[ Go to page: 1, 2, 3 ]
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Ed in SoDak |
51 |
3834 |
Apr Tue 23, 2019 5:22 pm
Tube Radio
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Homebrew 1920s-'30s record player...I'm clueless. Ideas?
[ Go to page: 1, 2, 3 ]
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VanEpsFan1914 |
52 |
1550 |
Apr Mon 22, 2019 3:38 am
Tube Radio
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Demod probe results
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allthumbs |
8 |
292 |
Apr Fri 19, 2019 3:35 pm
Chas
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Tubeless FM Converter
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Mike C. |
4 |
222 |
Apr Thu 18, 2019 5:56 pm
pauls.ironhorse
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Metered soft start with digital meter
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Sal Brisindi |
4 |
220 |
Apr Wed 17, 2019 5:55 pm
Mike Toon
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AM flat loop antenna
[ Go to page: 1, 2 ]
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neondave |
28 |
1207 |
Apr Fri 12, 2019 6:55 am
db gain
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CRT circuit question
[ Go to page: 1, 2, 3 ]
|
Tube Radio |
47 |
3668 |
Apr Fri 05, 2019 4:18 am
Tube Radio
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Questions about Laplace transforms in LTSpice.
[ Go to page: 1, 2 ]
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benman94 |
24 |
919 |
Apr Mon 01, 2019 9:31 pm
benman94
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AA5's on 24v wall transformers
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jimsp |
6 |
490 |
Apr Mon 01, 2019 7:47 pm
35Z5
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Layout and Routing
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rmileham |
5 |
219 |
Apr Mon 01, 2019 7:44 pm
flyboy71
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Poll: Preparing for a Circlotron amplifier build - 6V6 vs 6BG6G?
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benman94 |
14 |
651 |
Apr Mon 01, 2019 5:21 pm
benman94
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DIY Bluetooth to AM With Off The Shelf Parts
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lewiss |
9 |
632 |
Apr Mon 01, 2019 2:32 am
Tube Radio
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1CP1 scope tube
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Tube Radio |
10 |
4122 |
Apr Mon 01, 2019 2:15 am
Tube Radio
|
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To ground or not to ground
|
breadbox |
7 |
378 |
Mar Sun 31, 2019 5:05 am
westcoastjohn
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Tim's AM tube transmitter build
[ Go to page: 1, 2, 3, 4 ]
|
TV MAN |
79 |
7698 |
Mar Sat 30, 2019 3:57 pm
infzqi
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AM transmitter question
[ Go to page: 1, 2, 3, 4 ]
|
Tube Radio |
60 |
1449 |
Mar Sat 30, 2019 3:49 am
Tube Radio
|
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Stacking Transformers
|
Michael Janis |
1 |
269 |
Mar Sat 30, 2019 12:28 am
westcoastjohn
|
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Ferrite Sleeve Loop antennas: Are they for real?
[ Go to page: 1, 2, 3 ]
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pentagrid |
51 |
16478 |
Mar Wed 27, 2019 4:35 am
BobWeaver
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Tube circuits on copper clad board
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allthumbs |
10 |
370 |
Mar Mon 25, 2019 3:58 am
Elvirafan
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