Welcome To the Hoffman Amplifiers Forum
October 21, 2025, 04:00:36 pm
Welcome To the Hoffman Amplifiers ForumOctober 21, 2025, 04:00:36 pm | ||
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4 Replies
5688 Views |
November 07, 2023, 09:13:37 amby Miyagi_83 |
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2 Replies
6721 Views |
October 15, 2023, 02:45:39 am by dbsamithey |
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DIY Tube Tester... Crazy idea???
Started by dbishopbliss |
11 Replies
11044 Views |
August 09, 2023, 07:22:24 am by dbishopbliss |
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"My" silly-scope!
Started by PRR |
1 Replies
6093 Views |
July 25, 2023, 10:23:23 am by acheld |
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TUBE CAD (software)
Started by six el six |
10 Replies
15670 Views |
July 22, 2023, 08:23:15 pm by PRR |
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OHMITE "Little Devils" Resistor Tray
Started by Platefire |
2 Replies
5911 Views |
July 11, 2023, 07:13:41 pm by Platefire |
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5 Replies
7606 Views |
June 09, 2023, 06:45:19 pm by dvdr |
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Multimeters
Started by rake |
9 Replies
7919 Views |
June 09, 2023, 12:24:09 pm by ewc |
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De-soldering
Started by rake |
3 Replies
5235 Views |
June 04, 2023, 11:35:28 pm by PRR |
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Listening amp
Started by mresistor |
9 Replies
6819 Views |
May 31, 2023, 06:50:09 am by DummyLoad |
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Birthday Gift - Signal Generator
Started by RadioComm |
0 Replies
4720 Views |
May 29, 2023, 03:27:53 pm by RadioComm |
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2 Replies
4924 Views |
May 28, 2023, 12:51:31 pm by sluckey |
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Oscilloscope help!
Started by Travis8 |
6 Replies
6757 Views |
May 14, 2023, 05:12:08 pm by AlNewman |
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Variac Testbed Build
Started by Rontone |
7 Replies
6590 Views |
May 12, 2023, 02:30:38 pm by PRR |
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“Hand Soldering” 1944 training film
Started by PRR |
2 Replies
5352 Views |
May 07, 2023, 12:10:12 pm by PRR |
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high temp adhesive
Started by jim |
6 Replies
5878 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
6014 Views |
April 09, 2023, 11:33:08 am by scstill |
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Reverb signal view on oscilloscope
Started by mopar39 |
5 Replies
6287 Views |
April 08, 2023, 09:24:20 am by HotBluePlates |
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0 Replies
5376 Views |
April 02, 2023, 08:34:47 pm by PRR |
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0 Replies
5240 Views |
March 09, 2023, 01:22:57 pm by GAStan |
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hookup with colored wire
Started by PRR |
12 Replies
8499 Views |
March 08, 2023, 03:57:10 pm by GAStan |
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hole punching tool
Started by d1963 |
1 Replies
5078 Views |
March 07, 2023, 05:46:39 am by sluckey |
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Nice project box from Amazon
Started by nandrewjackson |
2 Replies
5494 Views |
March 06, 2023, 03:22:33 pm by nandrewjackson |
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Pliers rack
Started by PRR |
5 Replies
7371 Views |
March 05, 2023, 01:24:11 pm by EL34 |
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8 Replies
7168 Views |
March 03, 2023, 10:54:14 am by GAStan |
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Isolation Taco
Started by rafe |
1 Replies
4810 Views |
March 03, 2023, 10:20:39 am by GAStan |
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Design and Schematic software
Started by Rontone |
6 Replies
6686 Views |
February 19, 2023, 07:51:33 am by EL34 |
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Turret Tag Terminals and Sizing
Started by Rontone |
0 Replies
4920 Views |
February 15, 2023, 10:18:29 am by Rontone |
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4 Replies
5035 Views |
February 14, 2023, 06:15:10 pm by acheld |
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Cheap handy listening amp??
Started by PRR |
0 Replies
4870 Views |
February 08, 2023, 11:14:47 pm by PRR |
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Some interesting material here
Started by Electron Tornado |
2 Replies
5144 Views |
January 24, 2023, 10:07:30 am by Lectroid |
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Copper Tape vs Faraday Tape
Started by goldteethkeith |
10 Replies
10030 Views |
January 15, 2023, 10:12:04 pm by tubeswell |
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0 Replies
4716 Views |
January 14, 2023, 09:39:40 pm by tubeswell |
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2 Replies
5219 Views |
November 30, 2022, 03:13:32 pm by Mr.Death |
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Mini Oscilloscope
Started by uki |
30 Replies
11640 Views |
November 26, 2022, 03:54:32 am by gcwills |
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17 Replies
8406 Views |
November 13, 2022, 08:42:00 pm by acheld |
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Tube testing on EICO 667
Started by slimgem |
1 Replies
5099 Views |
November 11, 2022, 04:20:41 pm by PRR |
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Good manual on basics
Started by PRR |
0 Replies
4907 Views |
September 19, 2022, 03:17:10 pm by PRR |
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Stancor line adjuster ??
Started by rafe |
9 Replies
6764 Views |
September 09, 2022, 03:43:06 pm by shooter |
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3 Replies
6338 Views |
August 15, 2022, 10:42:55 pm by Ed_Chambley |
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before the Audio Cyclopedia
Started by PRR |
17 Replies
8684 Views |
August 09, 2022, 02:48:43 am by shooter |
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Smash the atom! 1942
Started by PRR |
0 Replies
3930 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
3859 Views |
July 21, 2022, 04:58:29 pm by shooter |
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neon bulb for tube tester
Started by rafe |
19 Replies
8571 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
3677 Views |
July 16, 2022, 04:20:12 pm by MrBreeze |
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Chassis stand
Started by PRR |
1 Replies
3562 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
5608 Views |
June 23, 2022, 01:09:16 pm by Latole |
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3 Replies
3878 Views |
June 21, 2022, 03:47:16 am by Latole |
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23 Replies
8664 Views |
June 17, 2022, 02:11:30 pm by Platefire |
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8 Replies
8196 Views |
June 07, 2022, 01:43:59 am by zircontweezer |
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