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| Topics |
Author |
Replies |
Views |
Last post |
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Alan Voorhees |
0 |
3549 |
Sep Tue 06, 2022 4:44 am
Alan Voorhees
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If your account has been deactivated
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Alan Voorhees |
9 |
10178 |
Aug Fri 05, 2022 2:25 am
ttx450cap
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| Topics |
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 2N3904 circuit
[  Go to page: 1, 2 ]
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Tube Radio |
34 |
959 |
Sep Fri 30, 2022 11:10 pm
Alfredo_T
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Simple Three Tube Stereo Amplifier May Need Another Tube
[ Go to page: 1, 2, 3 ]
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Blorpcandy |
59 |
1514 |
Sep Fri 30, 2022 7:35 pm
Alfredo_T
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Wideband RF choke for Medium Wave
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Vintage A |
15 |
752 |
Sep Fri 30, 2022 11:17 am
Vintage A
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Macrohenry Transmitter Construction
[ Go to page: 1 ... 6, 7, 8 ]
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Macrohenry |
148 |
8181 |
Sep Fri 30, 2022 1:21 am
radiorich
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Tuneable frame antenna
[ Go to page: 1, 2 ]
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alpal |
20 |
753 |
Sep Thu 29, 2022 11:30 pm
krystallo
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Lyonodyne Xtal radio
[ Go to page: 1, 2 ]
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alpal |
21 |
1038 |
Sep Thu 29, 2022 6:40 pm
k6sti
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Volume control setting vs. perceived loudness
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allthumbs |
4 |
191 |
Sep Thu 29, 2022 5:29 pm
Alfredo_T
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Homemade coil forms from "hair curlers"
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Hue Miller |
6 |
258 |
Sep Thu 29, 2022 10:30 am
k6sti
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Eldon crystal radio - need photo of label
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Hue Miller |
1 |
93 |
Sep Wed 28, 2022 4:29 am
vu2nan
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Signal Generator Add-On for Macrohenry Transmitter
[ Go to page: 1, 2 ]
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Macrohenry |
32 |
1806 |
Sep Tue 27, 2022 10:40 pm
Macrohenry
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Bulletproof SS amplifier
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arianskre |
3 |
203 |
Sep Tue 27, 2022 11:01 am
ACORNVALVE
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RF Pre-Amp Circuit
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N2LXM |
3 |
244 |
Sep Mon 26, 2022 7:04 pm
Alfredo_T
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Shortwave pre-amplifier
[ Go to page: 1, 2 ]
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alpal |
20 |
873 |
Sep Sun 18, 2022 12:40 pm
alpal
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15KHz to 160MHz PLL in 5KHz steps
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Dare4444 |
1 |
156 |
Sep Sat 17, 2022 6:57 am
Dare4444
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Printed Circuit AA5 based on GE 414 dial beam
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Flinx |
2 |
308 |
Sep Fri 16, 2022 1:08 am
Elvirafan
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Does Anyone Have Information About theradioboard.com?
[ Go to page: 1, 2 ]
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LM386 |
21 |
3245 |
Sep Tue 13, 2022 11:05 am
alpal
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FM mono circuit.
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Tube Radio |
5 |
455 |
Sep Tue 13, 2022 3:28 am
Tube Radio
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Norms 12K5
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jimbob |
3 |
490 |
Sep Mon 12, 2022 4:09 pm
jimbob
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Commercially Designed Part 15 AM Transmitter
[ Go to page: 1, 2, 3 ]
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Jthorusen |
40 |
10541 |
Sep Mon 12, 2022 11:58 am
End80
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Homemade 5 transistor AM superhet
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szoftveres |
7 |
389 |
Sep Mon 12, 2022 4:02 am
szoftveres
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Scope clock ground issue
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Tube Radio |
4 |
301 |
Sep Fri 09, 2022 7:11 pm
Tube Radio
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Lil 7 not working
[ Go to page: 1, 2 ]
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Blake M |
24 |
1636 |
Sep Fri 09, 2022 3:48 pm
35Z5
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Panel and dial experiments
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Macrohenry |
3 |
372 |
Sep Wed 07, 2022 1:32 pm
ACORNVALVE
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Extremely simple crystal radio
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arianskre |
16 |
1352 |
Sep Tue 06, 2022 9:56 am
alpal
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The Macrohenrydyne
[ Go to page: 1, 2 ]
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Macrohenry |
26 |
3281 |
Sep Sun 04, 2022 8:00 pm
LM386
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DIY radio construction projects
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Rich, W3HWJ |
5 |
813 |
Sep Sun 04, 2022 5:04 am
arianskre
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Preamp build
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Tube Radio |
2 |
244 |
Sep Sat 03, 2022 5:41 pm
Tube Radio
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Why does my crystal radio design work?
[ Go to page: 1, 2 ]
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6tom |
20 |
2185 |
Sep Fri 02, 2022 9:34 am
JGTubeamps
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Tight tube sockets
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jimbob |
1 |
263 |
Aug Mon 29, 2022 4:07 pm
flyboy71
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Adjustable frequency toroid?
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Mike Toon |
13 |
1246 |
Aug Sun 28, 2022 11:36 am
qmavam
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FM tuner not work properly
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aurel |
14 |
903 |
Aug Sun 28, 2022 11:01 am
aurel
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Mic pre-amp ideas?
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GuitarDick |
4 |
596 |
Aug Tue 23, 2022 7:33 pm
Alfredo_T
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Need help identifying
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robroot61 |
19 |
1850 |
Aug Tue 23, 2022 5:12 pm
robroot61
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RF Preamp
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YukonTV |
9 |
871 |
Aug Sun 21, 2022 4:26 am
ACORNVALVE
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Push pull 6V6 amp
[ Go to page: 1, 2 ]
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Tube Radio |
29 |
1344 |
Aug Sun 14, 2022 4:46 am
Tube Radio
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Zenith console mod question
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Tube Radio |
7 |
2453 |
Aug Fri 12, 2022 11:48 pm
Tube Radio
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Looking for two beta testers for AM Transmitter
[ Go to page: 1 ... 4, 5, 6 ]
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Macrohenry |
101 |
13411 |
Aug Wed 10, 2022 6:49 pm
gearhead222
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Mgnavox FM tuner modification
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Tube Radio |
3 |
566 |
Aug Mon 01, 2022 7:57 am
Tube Radio
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Three different 6888 & 6GY6 xmitt versions...
[ Go to page: 1, 2, 3 ]
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35Z5 |
48 |
40823 |
Jul Fri 29, 2022 8:29 pm
skywave
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Macrohenry Transmitter Components
[ Go to page: 1, 2, 3, 4 ]
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processhead |
74 |
6107 |
Jul Thu 28, 2022 8:47 pm
Macrohenry
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Home-made analog FET milli-Volt meter project...
[ Go to page: 1, 2 ]
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xrhonda91 |
31 |
3506 |
Jul Wed 27, 2022 3:14 am
radiorich
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Does anyone recognize the circuit in this device?
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ampstamp88 |
4 |
614 |
Jul Sun 24, 2022 3:31 pm
ampstamp88
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Ordering PCBs: Part 15 PLL Synthesized Transmitter Board
[ Go to page: 1 ... 6, 7, 8 ]
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Macrohenry |
147 |
10944 |
Jul Fri 22, 2022 3:22 am
ChrisW6ATV
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UX 240 Detectors
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crm114 |
11 |
937 |
Jul Sun 17, 2022 11:10 pm
jrehkopf
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Radio Dial Reduction drives ("vernier")
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Rich, W3HWJ |
1 |
394 |
Jul Sat 16, 2022 9:39 am
ACORNVALVE
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Tubes and magnetic fields
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Brian VE7JKZ |
7 |
648 |
Jul Wed 13, 2022 10:22 pm
BikenSwim
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Silicon point contact diode
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Vintage A |
15 |
865 |
Jul Wed 13, 2022 7:14 pm
Vintage A
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perturb and observe home brew circuit
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rchiapparelli |
7 |
903 |
Jul Tue 12, 2022 11:22 am
richfair
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Hat Radio replica
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jtn050 |
18 |
1298 |
Jul Tue 12, 2022 6:55 am
Jim Mueller
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Sansui 4000 volume/tone control board mods
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Tube Radio |
2 |
308 |
Jul Sat 09, 2022 3:01 pm
Tube Radio
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