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| Topics |
Author |
Replies |
Views |
Last post |
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 My recent one tube regen
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ballroad |
3 |
78 |
Jun Thu 24, 2021 4:32 am
SkyKing
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Home brew 2.5 mH Choke (and Other Considerations) For Regen
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krystallo |
13 |
383 |
Jun Thu 24, 2021 1:04 am
shinkuukan
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Regen radio coil question
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SkyKing |
6 |
285 |
Jun Wed 23, 2021 4:17 am
Macrohenry
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Flyback Driver Questions
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Macrohenry |
10 |
420 |
Jun Mon 21, 2021 10:17 pm
ACORNVALVE
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Construction 3 tubes Audion 1923, all concert, patent Audion
[  Go to page: 1, 2 ]
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yan_sk |
37 |
2712 |
Jun Mon 21, 2021 1:26 pm
yan_sk
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LM317 regulator design
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mhamiton |
13 |
579 |
Jun Sat 19, 2021 3:25 am
Jthorusen
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Update - My Vacuum Tube Frequency Synthesizer
[ Go to page: 1, 2 ]
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BobWeaver |
20 |
1534 |
Jun Fri 18, 2021 10:02 pm
mblack
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This $1 piezo disc ROCKS! as a horn driver.
[ Go to page: 1, 2 ]
|
Robert Lozier |
34 |
1584 |
Jun Fri 18, 2021 4:09 am
hwhall
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ZX81
|
jsweinrich |
7 |
381 |
Jun Tue 15, 2021 1:52 am
kx4om
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Relay circuit question
|
Tube Radio |
17 |
765 |
Jun Mon 14, 2021 8:38 pm
Tube Radio
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converting an old radio into Bluetooth speaker with FM radio
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rocky22 |
17 |
632 |
Jun Sat 12, 2021 2:20 pm
jimsp
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UPDATE #2: RC-30 Manual television Cabinet Almost done!
[ Go to page: 1, 2, 3 ]
|
Mr. Highlander |
46 |
7369 |
Jun Thu 10, 2021 12:25 am
tym
|
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Moved: Is this called a machinist adjustable square ?
|
pauls.ironhorse |
5 |
294 |
Jun Tue 08, 2021 2:57 pm
pauls.ironhorse
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Crystal Radio Set
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Blustar1 |
16 |
6505 |
Jun Tue 08, 2021 1:46 am
antipode
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Tube IF transformers
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dr pepper |
14 |
1015 |
Jun Mon 07, 2021 3:44 pm
eduardoa
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simple formulas for calculating tank circuit values?????????
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shockedagain75 |
8 |
428 |
Jun Sat 05, 2021 1:19 pm
ACORNVALVE
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Magnetic loop antenna to regen interface?
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Sparks62 |
2 |
270 |
Jun Thu 03, 2021 11:35 pm
Sparks62
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New winner for impossible translation in transistor kit?
[ Go to page: 1, 2 ]
|
Robert Lozier |
23 |
1047 |
Jun Thu 03, 2021 2:47 pm
Robert Lozier
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How To Properly Install a On Off Slide Switche ?
|
Frank512 |
8 |
442 |
Jun Thu 03, 2021 1:17 pm
ACORNVALVE
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Assistance requested with a superhet build.
|
928GTS |
16 |
2550 |
May Sun 30, 2021 3:47 pm
928GTS
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PCB hole sizes to be ordered
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Macrohenry |
6 |
462 |
May Sat 29, 2021 4:48 am
Macrohenry
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Moved: An Afternoon with John Rollins, W1FPZ
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AE2EA |
0 |
225 |
May Fri 28, 2021 2:57 pm
AE2EA
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Constant current power supply
[ Go to page: 1, 2 ]
|
Tube Radio |
23 |
4373 |
May Mon 24, 2021 1:56 am
Tube Radio
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12au7 sw regen.
|
jimbob |
10 |
921 |
May Fri 21, 2021 1:17 am
shinkuukan
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38 as regenerative detector
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allthumbs |
12 |
755 |
May Thu 20, 2021 6:58 pm
allthumbs
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Another crystal radio find
|
Mike Toon |
9 |
688 |
May Mon 17, 2021 5:02 pm
Rich, W3HWJ
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First time crystal radio build
[ Go to page: 1 ... 4, 5, 6 ]
|
whfh99 |
113 |
4522 |
May Sun 16, 2021 1:24 am
whfh99
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Moved: 3-channel Am Transmitter 1mhz 3mhz 5mhz $16
[ Go to page: 1, 2, 3 ]
|
Mike Toon |
46 |
6597 |
Jun Sat 19, 2021 5:01 pm
ZenithRadios
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"Hum" noise in transmitter When listening to it on AM radio
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sv3ora |
9 |
598 |
May Sun 09, 2021 9:11 pm
BobWeaver
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Vectronics 1290K, more trouble than it is worth? Help!
|
TickingMind |
4 |
376 |
May Fri 07, 2021 5:24 pm
richfair
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Antique Wireless Assoc. AM tx board
[ Go to page: 1, 2, 3, 4, 5 ]
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Rich, W3HWJ |
82 |
6500 |
May Fri 07, 2021 5:07 am
hwhall
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Toroid question
|
jimbob |
5 |
478 |
May Thu 06, 2021 1:45 pm
ACORNVALVE
|
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single tube 6gy6 bcb transmitter
[ Go to page: 1, 2 ]
|
anchorman |
25 |
797 |
May Wed 05, 2021 6:44 pm
anchorman
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Wouldn't it be nice
|
jimbob |
9 |
1231 |
May Wed 05, 2021 5:04 am
JGTubeamps
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Battery eliminator for A, B, C batteries.
|
anchorman |
3 |
329 |
May Sun 02, 2021 11:24 pm
Chas
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Help designing 6sj7/6sn7 input stage for 6v6 PP amplifier
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Michiganamps |
4 |
445 |
May Sat 01, 2021 1:50 am
Mr. Detrola
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PA output transformer for HiFi application?
|
classicelectronicsguy |
10 |
498 |
Apr Fri 30, 2021 4:21 am
BikenSwim
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Tube Regen
|
PNeidlinger |
10 |
723 |
Apr Thu 29, 2021 9:51 am
ACORNVALVE
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[Solved] Help needed with IF stage oscillation/motorboatin
[ Go to page: 1, 2 ]
|
szoftveres |
27 |
3004 |
Apr Wed 28, 2021 10:34 pm
ACORNVALVE
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12AH8 as regen amplifier working at low voltage
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dr pepper |
6 |
431 |
Apr Wed 28, 2021 2:06 pm
dr pepper
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6GY6 transmitter in a computer power supply box
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N0BST |
14 |
2093 |
Apr Tue 27, 2021 12:30 am
anchorman
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Part15 sheet beam transmitter
|
Audioman |
7 |
816 |
Apr Sat 24, 2021 4:23 pm
mblack
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Using turrent boards in HIFI amp
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Michiganamps |
11 |
574 |
Apr Fri 23, 2021 12:52 pm
John Bartley
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Not necessarily antique, but close-scanning
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kimsleep100 |
2 |
390 |
Apr Fri 23, 2021 4:19 am
Macrohenry
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Pine Board to Chassis Conversion
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Loose_coupler |
4 |
725 |
Apr Fri 23, 2021 2:03 am
Scott Madison
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Homebuild Reinartz tuner amp.
[ Go to page: 1, 2 ]
|
beast775 |
24 |
1181 |
Apr Thu 22, 2021 8:06 am
beast775
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Dual 6c4 triode sw
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jimbob |
0 |
278 |
Apr Sun 18, 2021 6:14 pm
jimbob
|
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Looking for Project: Have PP 5k Pri Output Xfrmr
|
Greenhorn |
7 |
584 |
Apr Fri 16, 2021 6:34 pm
BikenSwim
|
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A New $5 circuit for an AM Modulator and Generator
[ Go to page: 1, 2 ]
|
louhaskell |
21 |
1569 |
Apr Mon 12, 2021 2:02 am
richfair
|
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Richfair's am transmitter build
[ Go to page: 1, 2 ]
|
richfair |
39 |
3119 |
Apr Wed 07, 2021 8:19 pm
Dare4444
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