Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 12:56:30 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 12:56:30 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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Oscilliscope
Started by rafe |
0 Replies
7841 Views |
January 14, 2024, 05:54:22 pmby rafe |
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Circuit board vice recommendation
Started by 72Blazer |
24 Replies
15742 Views |
January 09, 2024, 07:27:28 am by Lectroid |
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Find those hidden bugs with a red pencil
Started by PRR |
1 Replies
4778 Views |
December 30, 2023, 08:09:38 am by rafe |
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4 Replies
6291 Views |
November 07, 2023, 09:13:37 am by Miyagi_83 |
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2 Replies
7733 Views |
October 15, 2023, 02:45:39 am by dbsamithey |
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DIY Tube Tester... Crazy idea???
Started by dbishopbliss |
11 Replies
12292 Views |
August 09, 2023, 07:22:24 am by dbishopbliss |
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"My" silly-scope!
Started by PRR |
1 Replies
6844 Views |
July 25, 2023, 10:23:23 am by acheld |
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TUBE CAD (software)
Started by six el six |
10 Replies
16817 Views |
July 22, 2023, 08:23:15 pm by PRR |
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OHMITE "Little Devils" Resistor Tray
Started by Platefire |
2 Replies
6494 Views |
July 11, 2023, 07:13:41 pm by Platefire |
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5 Replies
8527 Views |
June 09, 2023, 06:45:19 pm by dvdr |
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Multimeters
Started by rake |
9 Replies
8566 Views |
June 09, 2023, 12:24:09 pm by ewc |
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De-soldering
Started by rake |
3 Replies
6137 Views |
June 04, 2023, 11:35:28 pm by PRR |
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Listening amp
Started by mresistor |
9 Replies
7488 Views |
May 31, 2023, 06:50:09 am by DummyLoad |
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Birthday Gift - Signal Generator
Started by RadioComm |
0 Replies
5064 Views |
May 29, 2023, 03:27:53 pm by RadioComm |
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2 Replies
5363 Views |
May 28, 2023, 12:51:31 pm by sluckey |
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Oscilloscope help!
Started by Travis8 |
6 Replies
7576 Views |
May 14, 2023, 05:12:08 pm by AlNewman |
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Variac Testbed Build
Started by Rontone |
7 Replies
7283 Views |
May 12, 2023, 02:30:38 pm by PRR |
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“Hand Soldering” 1944 training film
Started by PRR |
2 Replies
6263 Views |
May 07, 2023, 12:10:12 pm by PRR |
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high temp adhesive
Started by jim |
6 Replies
6468 Views |
April 11, 2023, 05:21:40 pm by rake |
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Radio City Products RCP 323 Tube Tester
Started by scstill |
5 Replies
6801 Views |
April 09, 2023, 11:33:08 am by scstill |
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Reverb signal view on oscilloscope
Started by mopar39 |
5 Replies
7246 Views |
April 08, 2023, 09:24:20 am by HotBluePlates |
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0 Replies
6251 Views |
April 02, 2023, 08:34:47 pm by PRR |
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0 Replies
5739 Views |
March 09, 2023, 01:22:57 pm by GAStan |
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hookup with colored wire
Started by PRR |
12 Replies
9812 Views |
March 08, 2023, 03:57:10 pm by GAStan |
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hole punching tool
Started by d1963 |
1 Replies
5517 Views |
March 07, 2023, 05:46:39 am by sluckey |
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Nice project box from Amazon
Started by nandrewjackson |
2 Replies
6110 Views |
March 06, 2023, 03:22:33 pm by nandrewjackson |
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Pliers rack
Started by PRR |
5 Replies
8334 Views |
March 05, 2023, 01:24:11 pm by EL34 |
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8 Replies
7888 Views |
March 03, 2023, 10:54:14 am by GAStan |
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Isolation Taco
Started by rafe |
1 Replies
5142 Views |
March 03, 2023, 10:20:39 am by GAStan |
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Design and Schematic software
Started by Rontone |
6 Replies
7285 Views |
February 19, 2023, 07:51:33 am by EL34 |
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Turret Tag Terminals and Sizing
Started by Rontone |
0 Replies
5387 Views |
February 15, 2023, 10:18:29 am by Rontone |
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4 Replies
5485 Views |
February 14, 2023, 06:15:10 pm by acheld |
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Cheap handy listening amp??
Started by PRR |
0 Replies
5324 Views |
February 08, 2023, 11:14:47 pm by PRR |
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Some interesting material here
Started by Electron Tornado |
2 Replies
5747 Views |
January 24, 2023, 10:07:30 am by Lectroid |
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Copper Tape vs Faraday Tape
Started by goldteethkeith |
10 Replies
11206 Views |
January 15, 2023, 10:12:04 pm by tubeswell |
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0 Replies
5301 Views |
January 14, 2023, 09:39:40 pm by tubeswell |
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2 Replies
5696 Views |
November 30, 2022, 03:13:32 pm by Mr.Death |
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Mini Oscilloscope
Started by uki |
30 Replies
13463 Views |
November 26, 2022, 03:54:32 am by gcwills |
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17 Replies
9380 Views |
November 13, 2022, 08:42:00 pm by acheld |
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Tube testing on EICO 667
Started by slimgem |
1 Replies
5415 Views |
November 11, 2022, 04:20:41 pm by PRR |
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Good manual on basics
Started by PRR |
0 Replies
5440 Views |
September 19, 2022, 03:17:10 pm by PRR |
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Stancor line adjuster ??
Started by rafe |
9 Replies
7404 Views |
September 09, 2022, 03:43:06 pm by shooter |
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3 Replies
6970 Views |
August 15, 2022, 10:42:55 pm by Ed_Chambley |
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before the Audio Cyclopedia
Started by PRR |
17 Replies
9478 Views |
August 09, 2022, 02:48:43 am by shooter |
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Smash the atom! 1942
Started by PRR |
0 Replies
4263 Views |
July 24, 2022, 01:17:15 am by PRR |
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ad for Inside the Vacuum Tube
Started by PRR |
2 Replies
4426 Views |
July 21, 2022, 04:58:29 pm by shooter |
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neon bulb for tube tester
Started by rafe |
19 Replies
9629 Views |
July 20, 2022, 07:57:30 pm by sluckey |
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New take on building current limiter
Started by MrBreeze |
0 Replies
4103 Views |
July 16, 2022, 04:20:12 pm by MrBreeze |
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Chassis stand
Started by PRR |
1 Replies
4082 Views |
June 25, 2022, 05:27:34 am by ShoemanGB |
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Time to buy a Fluke meter, but which one?
Started by Willabe |
7 Replies
6425 Views |
June 23, 2022, 01:09:16 pm by Latole |
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