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| Topics |
Author |
Replies |
Views |
Last post |
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 First time crystal radio build
[  Go to page: 1 ... 4, 5, 6 ]
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whfh99 |
113 |
3274 |
May Sun 16, 2021 1:24 am
whfh99
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38 as regenerative detector
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allthumbs |
5 |
249 |
May Fri 14, 2021 11:11 am
W9BRD
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3-channel Am Transmitter 1mhz 3mhz 5mhz $16
[ Go to page: 1, 2 ]
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Mike Toon |
27 |
5262 |
May Fri 14, 2021 5:16 am
electrikdave
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Tube IF transformers
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dr pepper |
10 |
370 |
May Fri 14, 2021 4:42 am
ACORNVALVE
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"Hum" noise in transmitter When listening to it on AM radio
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sv3ora |
9 |
351 |
May Sun 09, 2021 9:11 pm
BobWeaver
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12au7 sw regen.
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jimbob |
7 |
536 |
May Sun 09, 2021 1:26 am
jimbob
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Vectronics 1290K, more trouble than it is worth? Help!
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TickingMind |
4 |
211 |
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 |
5558 |
May Fri 07, 2021 5:07 am
hwhall
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Toroid question
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jimbob |
5 |
323 |
May Thu 06, 2021 1:45 pm
ACORNVALVE
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single tube 6gy6 bcb transmitter
[ Go to page: 1, 2 ]
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anchorman |
25 |
549 |
May Wed 05, 2021 6:44 pm
anchorman
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This $1 piezo disc ROCKS! as a horn driver.
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Robert Lozier |
19 |
767 |
May Wed 05, 2021 3:58 pm
richfair
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Wouldn't it be nice
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jimbob |
9 |
976 |
May Wed 05, 2021 5:04 am
JGTubeamps
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Battery eliminator for A, B, C batteries.
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anchorman |
3 |
217 |
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 |
341 |
May Sat 01, 2021 1:50 am
Mr. Detrola
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PA output transformer for HiFi application?
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classicelectronicsguy |
10 |
344 |
Apr Fri 30, 2021 4:21 am
BikenSwim
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Another crystal radio find
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Mike Toon |
7 |
297 |
Apr Thu 29, 2021 9:22 pm
Jim Mueller
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Tube Regen
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PNeidlinger |
10 |
510 |
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 ]
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szoftveres |
27 |
2687 |
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 |
282 |
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 |
1827 |
Apr Tue 27, 2021 12:30 am
anchorman
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Part15 sheet beam transmitter
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Audioman |
7 |
646 |
Apr Sat 24, 2021 4:23 pm
mblack
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Using turrent boards in HIFI amp
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Michiganamps |
11 |
428 |
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 |
297 |
Apr Fri 23, 2021 4:19 am
Macrohenry
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Pine Board to Chassis Conversion
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Loose_coupler |
4 |
613 |
Apr Fri 23, 2021 2:03 am
Scott Madison
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Homebuild Reinartz tuner amp.
[ Go to page: 1, 2 ]
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beast775 |
24 |
884 |
Apr Thu 22, 2021 8:06 am
beast775
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Dual 6c4 triode sw
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jimbob |
0 |
216 |
Apr Sun 18, 2021 6:14 pm
jimbob
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Looking for Project: Have PP 5k Pri Output Xfrmr
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Greenhorn |
7 |
468 |
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 ]
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louhaskell |
21 |
1309 |
Apr Mon 12, 2021 2:02 am
richfair
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Construction 3 tubes Audion 1923, all concert, patent Audion
[ Go to page: 1, 2 ]
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yan_sk |
27 |
2028 |
Apr Sat 10, 2021 9:15 am
yan_sk
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Assistance requested with a superhet build.
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928GTS |
9 |
1809 |
Apr Thu 08, 2021 12:27 am
shinkuukan
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Richfair's am transmitter build
[ Go to page: 1, 2 ]
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richfair |
39 |
2731 |
Apr Wed 07, 2021 8:19 pm
Dare4444
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Moved: 42IF transformers source
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Rich, W3HWJ |
4 |
475 |
Apr Thu 08, 2021 5:09 pm
Rich, W3HWJ
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TR SWITCH BUILD
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HAMmer |
2 |
396 |
Apr Fri 02, 2021 1:06 pm
HAMmer
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Slope detection of broadcast FM?
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928GTS |
15 |
1051 |
Apr Thu 01, 2021 5:13 pm
mblack
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Historical Radio Society AM TX
[ Go to page: 1, 2 ]
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ACORNVALVE |
24 |
1848 |
Mar Tue 30, 2021 8:39 pm
bb.odin
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365 pf alternative - can you translate this listing?
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Robert Lozier |
1 |
386 |
Mar Tue 30, 2021 12:01 am
egg
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Most sensitive(power efficient) small loudspeaker in 1930s
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Robert Lozier |
15 |
1076 |
Mar Sun 28, 2021 2:57 am
Robert Lozier
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Crystal based AM Transmitter with 2n7000
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Dare4444 |
2 |
541 |
Mar Sat 27, 2021 11:29 am
Dare4444
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J310 mixer and SSB
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Dare4444 |
2 |
440 |
Mar Fri 26, 2021 3:55 am
Dare4444
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Simple DSB transceiver.
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Dare4444 |
10 |
675 |
Mar Tue 23, 2021 7:12 pm
Dare4444
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AM transmitter prototype
[ Go to page: 1, 2 ]
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Erich Loepke |
32 |
9989 |
Mar Tue 23, 2021 4:54 pm
ai6vx
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CD4007 single chip 3-21 MHz DC RX
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Dare4444 |
13 |
513 |
Mar Tue 23, 2021 6:38 am
Dare4444
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How to simulate basic radio circuits
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Radiator |
13 |
697 |
Mar Sun 21, 2021 5:48 pm
anchorman
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Tuned loop Am antenna
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drworry |
17 |
1321 |
Mar Thu 18, 2021 4:53 am
tomb123
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rf chokes
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jimbob |
18 |
1296 |
Mar Thu 18, 2021 4:47 am
Dare4444
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3RP1 Based TV Set
[ Go to page: 1 ... 4, 5, 6 ]
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IlikeTech |
108 |
3729 |
Mar Thu 18, 2021 12:09 am
ACORNVALVE
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LM386N MK-XI BCB Transmitter
[ Go to page: 1 ... 50, 51, 52 ]
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35Z5 |
1035 |
289521 |
Mar Sun 14, 2021 11:22 pm
hwhall
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Help needed CD4053 specs
[ Go to page: 1, 2, 3, 4, 5 ]
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Dare4444 |
81 |
4179 |
Mar Fri 12, 2021 11:20 pm
Dare4444
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first amp to build 6v6 with 6sn7
[ Go to page: 1, 2, 3 ]
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j8000 |
40 |
5225 |
Mar Fri 12, 2021 9:36 pm
j8000
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Design Help for 304TL Tube Tesla Coil
[ Go to page: 1, 2 ]
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Loose_coupler |
24 |
1533 |
Mar Thu 11, 2021 3:08 am
Duane B
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