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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 |
17603 |
Apr Thu 25, 2019 10:45 pm
Dude111
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| Topics |
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Another Little Prince- tube preamp
[ Go to page: 1 ... 9, 10, 11 ]
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john8750 |
204 |
2758 |
Apr Fri 26, 2019 12:39 am
john8750
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Calculating dropping resisitor for zener diodes
[ Go to page: 1, 2 ]
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Yeti575 |
20 |
212 |
Apr Thu 25, 2019 6:08 pm
upsss
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A Deluxe Receiver for the DX Operator
[ Go to page: 1, 2, 3, 4 ]
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Norm Johnson |
72 |
9020 |
Apr Thu 25, 2019 12:46 pm
KA8GEF
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How do bidirectional amps work?
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Macrohenry |
6 |
149 |
Apr Thu 25, 2019 12:35 am
Macrohenry
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Amplifier question
[ Go to page: 1, 2 ]
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Tube Radio |
21 |
218 |
Apr Wed 24, 2019 1:31 am
Tube Radio
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Super-Duper Simple single-FET external AM-BCB booster...
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xrhonda91 |
15 |
677 |
Apr Wed 24, 2019 1:29 am
xrhonda91
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AM Transmitter schematic
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jim campbell |
9 |
319 |
Apr Wed 24, 2019 1:14 am
Audioman
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AM PLL Transmitter kit
[ Go to page: 1, 2, 3 ]
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Ed in SoDak |
51 |
3556 |
Apr Tue 23, 2019 5:22 pm
Tube Radio
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Scope clock modification
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Tube Radio |
0 |
43 |
Apr Mon 22, 2019 7:23 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 |
1356 |
Apr Mon 22, 2019 3:38 am
Tube Radio
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Is there a ferrite rod/material for use on HF frequencies?
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oldlongwave |
4 |
164 |
Apr Sat 20, 2019 12:47 am
BobWeaver
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Demod probe results
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allthumbs |
8 |
222 |
Apr Fri 19, 2019 3:35 pm
Chas
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Tubeless FM Converter
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Mike C. |
4 |
170 |
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 |
170 |
Apr Wed 17, 2019 5:55 pm
Mike Toon
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Building the Stancor Williamson Amp: 807 PP
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Greenhorn |
16 |
2223 |
Apr Sat 13, 2019 5:11 am
Greenhorn
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Making a 1937 Airline radio chassis now on Youtube
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Buzz1151 |
6 |
475 |
Apr Fri 12, 2019 10:34 pm
Buzz1151
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Op Amp problems
[ Go to page: 1, 2, 3, 4 ]
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Dennis H. |
72 |
1037 |
Apr Fri 12, 2019 2:28 pm
pixellany
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AM flat loop antenna
[ Go to page: 1, 2 ]
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neondave |
28 |
1039 |
Apr Fri 12, 2019 6:55 am
db gain
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schematic for CLC filtered power supply wanted
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williampage |
14 |
252 |
Apr Sun 07, 2019 6:21 pm
OldWireBender
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CRT circuit question
[ Go to page: 1, 2, 3 ]
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Tube Radio |
47 |
3524 |
Apr Fri 05, 2019 4:18 am
Tube Radio
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250 volt power supply info needed.
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williampage |
15 |
745 |
Apr Thu 04, 2019 1:47 am
Rich, W3HWJ
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Questions about Laplace transforms in LTSpice.
[ Go to page: 1, 2 ]
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benman94 |
24 |
812 |
Apr Mon 01, 2019 9:31 pm
benman94
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AA5's on 24v wall transformers
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jimsp |
6 |
433 |
Apr Mon 01, 2019 7:47 pm
35Z5
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Layout and Routing
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rmileham |
5 |
193 |
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 |
585 |
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 |
571 |
Apr Mon 01, 2019 2:32 am
Tube Radio
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1CP1 scope tube
|
Tube Radio |
10 |
4044 |
Apr Mon 01, 2019 2:15 am
Tube Radio
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To ground or not to ground
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breadbox |
7 |
322 |
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 |
7392 |
Mar Sat 30, 2019 3:57 pm
infzqi
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AM transmitter question
[ Go to page: 1, 2, 3, 4 ]
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Tube Radio |
60 |
1281 |
Mar Sat 30, 2019 3:49 am
Tube Radio
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Stacking Transformers
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Michael Janis |
1 |
243 |
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 |
16240 |
Mar Wed 27, 2019 4:35 am
BobWeaver
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Tube circuits on copper clad board
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allthumbs |
10 |
335 |
Mar Mon 25, 2019 3:58 am
Elvirafan
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12AV6-12CS6 Transmitter(Revised Schematic)
[ Go to page: 1 ... 33, 34, 35 ]
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35Z5 |
687 |
141566 |
Mar Sun 24, 2019 3:39 pm
bill hamre
|
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Moved: Inexpensive spectrum analyzer GQ EMF-380 V2
|
KA |
0 |
168 |
Mar Sun 24, 2019 5:13 am
KA
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Antique Earphones
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onlyrick |
9 |
583 |
Mar Fri 22, 2019 4:17 am
VanEpsFan1914
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My Solid State Magic Eye
[ Go to page: 1, 2, 3 ]
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upsss |
49 |
6106 |
Mar Wed 20, 2019 9:26 pm
anchorman
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Signal tracer question.
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Wrenchtwister |
4 |
440 |
Mar Tue 19, 2019 5:28 am
LM386
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Power supply redesign
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Tube Radio |
10 |
471 |
Mar Tue 19, 2019 12:57 am
Tube Radio
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My four transistor FMTX
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Dare4444 |
19 |
625 |
Mar Sun 17, 2019 6:49 pm
Dare4444
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LM386N MK-XI BCB Transmitter
[ Go to page: 1 ... 47, 48, 49 ]
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35Z5 |
973 |
176378 |
Mar Sun 17, 2019 6:32 am
radiorich
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Homebrew pin to phone plug adapter
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crgrbrts |
1 |
209 |
Mar Fri 15, 2019 3:05 pm
processhead
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Infinite impedance detector radio project(s)...
[ Go to page: 1, 2 ]
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xrhonda91 |
28 |
15185 |
Mar Mon 11, 2019 4:45 pm
xrhonda91
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Tube Biasing Question
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ErikD |
9 |
469 |
Mar Sun 10, 2019 5:17 pm
Usually Lurking
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Din Cable for Telefunken Jubilate Delux
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C1wlou |
3 |
201 |
Mar Sat 09, 2019 5:24 am
majoco
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807 Williamson amp
[ Go to page: 1 ... 54, 55, 56 ]
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john8750 |
1105 |
40302 |
Mar Fri 08, 2019 12:16 am
john8750
|
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BC-455A BFO
|
Tube Radio |
8 |
340 |
Mar Thu 07, 2019 12:41 am
shinkuukan
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How about this 6L6 amplifier
[ Go to page: 1, 2, 3 ]
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FStephenMasek |
42 |
1504 |
Mar Tue 05, 2019 5:21 am
FStephenMasek
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Stereo unbalanced to mono balanced adapter
|
Tube Radio |
13 |
346 |
Mar Sun 03, 2019 6:28 am
Tube Radio
|
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My two transistor FMTX
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Dare4444 |
17 |
3080 |
Mar Sat 02, 2019 9:09 pm
Dare4444
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