Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 10:22:05 am | ||
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Circuit board vice recommendation
Started by 72Blazer |
24 Replies
14824 Views |
by Lectroid |
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Find those hidden bugs with a red pencil
Started by PRR |
1 Replies
4507 Views |
by rafe |
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4 Replies
6014 Views |
by Miyagi_83 |
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2 Replies
6985 Views |
by dbsamithey |
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DIY Tube Tester... Crazy idea???
Started by dbishopbliss |
11 Replies
11719 Views |
by dbishopbliss |
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"My" silly-scope!
Started by PRR |
1 Replies
6337 Views |
by acheld |
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TUBE CAD (software)
Started by six el six |
10 Replies
16256 Views |
by PRR |
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OHMITE "Little Devils" Resistor Tray
Started by Platefire |
2 Replies
6196 Views |
by Platefire |
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5 Replies
8091 Views |
by dvdr |
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Multimeters
Started by rake |
9 Replies
8230 Views |
by ewc |
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De-soldering
Started by rake |
3 Replies
5488 Views |
by PRR |
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Listening amp
Started by mresistor |
9 Replies
7137 Views |
by DummyLoad |
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Birthday Gift - Signal Generator
Started by RadioComm |
0 Replies
4885 Views |
by RadioComm |
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2 Replies
5139 Views |
by sluckey |
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Oscilloscope help!
Started by Travis8 |
6 Replies
7168 Views |
by AlNewman |
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Variac Testbed Build
Started by Rontone |
7 Replies
6936 Views |
by PRR |
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“Hand Soldering” 1944 training film
Started by PRR |
2 Replies
5662 Views |
by PRR |
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high temp adhesive
Started by jim |
6 Replies
6147 Views |
by rake |
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Radio City Products RCP 323 Tube Tester
Started by scstill |
5 Replies
6414 Views |
by scstill |
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Reverb signal view on oscilloscope
Started by mopar39 |
5 Replies
6741 Views |
by HotBluePlates |
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0 Replies
5598 Views |
by PRR |
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0 Replies
5482 Views |
by GAStan |
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hookup with colored wire
Started by PRR |
12 Replies
9137 Views |
by GAStan |
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hole punching tool
Started by d1963 |
1 Replies
5231 Views |
by sluckey |
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Nice project box from Amazon
Started by nandrewjackson |
2 Replies
5775 Views |
by nandrewjackson |
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Pliers rack
Started by PRR |
5 Replies
7687 Views |
by EL34 |
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8 Replies
7538 Views |
by GAStan |
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Isolation Taco
Started by rafe |
1 Replies
4975 Views |
by GAStan |
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Design and Schematic software
Started by Rontone |
6 Replies
7009 Views |
by EL34 |
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Turret Tag Terminals and Sizing
Started by Rontone |
0 Replies
5144 Views |
by Rontone |
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4 Replies
5249 Views |
by acheld |
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Cheap handy listening amp??
Started by PRR |
0 Replies
5084 Views |
by PRR |
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Some interesting material here
Started by Electron Tornado |
2 Replies
5317 Views |
by Lectroid |
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Copper Tape vs Faraday Tape
Started by goldteethkeith |
10 Replies
10650 Views |
by tubeswell |
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0 Replies
4910 Views |
by tubeswell |
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2 Replies
5415 Views |
by Mr.Death |
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Mini Oscilloscope
Started by uki |
30 Replies
12580 Views |
by gcwills |
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17 Replies
8903 Views |
by acheld |
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Tube testing on EICO 667
Started by slimgem |
1 Replies
5268 Views |
by PRR |
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Good manual on basics
Started by PRR |
0 Replies
5096 Views |
by PRR |
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Stancor line adjuster ??
Started by rafe |
9 Replies
7119 Views |
by shooter |
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3 Replies
6662 Views |
by Ed_Chambley |
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before the Audio Cyclopedia
Started by PRR |
17 Replies
9093 Views |
by shooter |
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Smash the atom! 1942
Started by PRR |
0 Replies
4076 Views |
by PRR |
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ad for Inside the Vacuum Tube
Started by PRR |
2 Replies
4071 Views |
by shooter |
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neon bulb for tube tester
Started by rafe |
19 Replies
9115 Views |
by sluckey |
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New take on building current limiter
Started by MrBreeze |
0 Replies
3883 Views |
by MrBreeze |
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Chassis stand
Started by PRR |
1 Replies
3722 Views |
by ShoemanGB |
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Time to buy a Fluke meter, but which one?
Started by Willabe |
7 Replies
6016 Views |
by Latole |
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3 Replies
4091 Views |
by Latole |
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