Welcome To the Hoffman Amplifiers Forum
April 24, 2026, 04:49:53 pm
Welcome To the Hoffman Amplifiers ForumApril 24, 2026, 04:49:53 pm | ||
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Time to buy a Fluke meter, but which one?
Started by Willabe |
7 Replies
7082 Views |
June 23, 2022, 01:09:16 pmby Latole |
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3 Replies
4936 Views |
June 21, 2022, 03:47:16 am by Latole |
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23 Replies
11373 Views |
June 17, 2022, 02:11:30 pm by Platefire |
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8 Replies
9662 Views |
June 07, 2022, 01:43:59 am by zircontweezer |
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Collection of Vacuum Tube Books
Started by Electron Tornado |
0 Replies
4880 Views |
June 06, 2022, 12:40:23 pm by Electron Tornado |
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Series/Parallel speaker switch.
Started by Soulfetish |
4 Replies
4755 Views |
June 05, 2022, 09:10:18 am by Williamblake |
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Gas Filled Photocells
Started by cspar |
2 Replies
4333 Views |
April 30, 2022, 02:39:32 pm by cspar |
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Need a new solder station
Started by 72Blazer |
8 Replies
6073 Views |
April 25, 2022, 02:26:42 pm by owen |
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Rating Unknown Power Transformers
Started by PRR |
0 Replies
3841 Views |
April 08, 2022, 02:39:47 pm by PRR |
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Resistor Types
Started by Rontone |
1 Replies
4547 Views |
April 07, 2022, 06:38:08 pm by shooter |
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Book: Impedance Matching by Alexander Schure
Started by PRR |
3 Replies
5027 Views |
March 26, 2022, 06:42:35 pm by HotBluePlates |
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Loose sockets
Started by PRR |
2 Replies
4928 Views |
March 26, 2022, 10:42:48 am by mresistor |
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ORCAD 16 or above PCB/SCH LiBS?
Started by Amperror |
1 Replies
4078 Views |
March 23, 2022, 05:23:36 pm by Amperror |
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Auto feed soldering iron
Started by EL34 |
7 Replies
5165 Views |
March 23, 2022, 01:15:58 pm by PRR |
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Mullard 7600-4 Valve Tester Overhaul
Started by Rontone |
2 Replies
4522 Views |
March 20, 2022, 05:26:22 pm by Rontone |
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Bad socket lugs
Started by PRR |
4 Replies
4703 Views |
March 19, 2022, 12:04:42 am by Soulfetish |
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Pre-forming part leads
Started by PRR |
9 Replies
5930 Views |
March 12, 2022, 03:31:00 am by shooter |
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0 Replies
4341 Views |
March 10, 2022, 10:52:22 pm by jamaio |
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Running a variac from a small transformer
Started by Rontone |
5 Replies
5794 Views |
March 10, 2022, 10:18:13 am by Rontone |
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Geon-- never heard of it
Started by PRR |
0 Replies
4116 Views |
March 06, 2022, 04:58:58 pm by PRR |
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Cheap LCR meter
Started by sluckey |
8 Replies
5356 Views |
March 01, 2022, 04:53:17 pm by 72Blazer |
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Traynor Service manuals ; look here
Started by Latole |
0 Replies
4193 Views |
March 01, 2022, 03:52:35 am by Latole |
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Know How vs Know Why
Started by PRR |
3 Replies
3624 Views |
February 27, 2022, 06:35:28 am by shooter |
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Clever trick?
Started by PRR |
1 Replies
3429 Views |
February 25, 2022, 12:15:19 pm by shooter |
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Amplifier Eyelet or Turret Board Rack
Started by p2pAmps |
3 Replies
4464 Views |
February 23, 2022, 07:45:17 am by p2pAmps |
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EMC 205 tube tester
Started by khansen810 |
1 Replies
4040 Views |
February 19, 2022, 09:26:12 am by Latole |
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What kind of meter is it?
Started by uki |
3 Replies
3889 Views |
February 11, 2022, 08:14:45 am by uki |
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1 Replies
3778 Views |
November 26, 2021, 07:18:38 am by ShoemanGB |
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What the heck is that thing?
Started by dragonworks |
3 Replies
4156 Views |
November 18, 2021, 02:02:10 pm by TigerTrading2021 |
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Tube sockets for breadboarding
Started by Electron Tornado |
0 Replies
3511 Views |
November 16, 2021, 06:39:49 pm by Electron Tornado |
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New books from Richard Kuehnel
Started by PRR |
6 Replies
8073 Views |
November 05, 2021, 10:51:07 am by PRR |
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Quick change drill tool
Started by EL34 |
3 Replies
4040 Views |
November 02, 2021, 09:29:05 am by Willabe |
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I Built It, Help Me Use It
Started by AHeck |
3 Replies
3954 Views |
October 25, 2021, 10:52:33 pm by AHeck |
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Getting Started - Recommend a Book
Started by Jim Nasium |
22 Replies
11300 Views |
October 25, 2021, 02:37:21 pm by SILVERGUN |
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Advanced Lightbulb Limiter Question.
Started by dragonbat13 |
4 Replies
3867 Views |
October 18, 2021, 12:02:51 am by Keppy |
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I bought a TC1 multifunction tester
Started by dragonbat13 |
2 Replies
3391 Views |
October 02, 2021, 09:23:34 pm by acheld |
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testing tubes in the bin?
Started by luthierwnc |
7 Replies
5172 Views |
September 27, 2021, 03:10:40 pm by Latole |
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Info needed on a PCT Thermistor
Started by dude |
6 Replies
4363 Views |
September 21, 2021, 06:05:44 pm by dude |
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2 Replies
3876 Views |
September 18, 2021, 09:29:17 am by reidgw |
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PSUD2 Models for popular amps
Started by dbishopbliss |
15 Replies
8348 Views |
August 26, 2021, 03:03:46 pm by PRR |
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PCB Board Mounting Feet
Started by dbishopbliss |
2 Replies
4113 Views |
August 09, 2021, 06:49:30 pm by mresistor |
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FFT Software Spectrum Analyzers
Started by Pollys13a |
2 Replies
3935 Views |
August 05, 2021, 05:18:12 pm by shooter |
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16 Replies
7785 Views |
August 04, 2021, 09:29:27 am by shooter |
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Stethoscope hum
Started by Steve Blackdog |
2 Replies
4006 Views |
July 26, 2021, 05:28:54 pm by Steve Blackdog |
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Chassis Rack
Started by PRR |
4 Replies
4116 Views |
July 26, 2021, 05:46:34 am by sluckey |
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Need ideas to test stereo power amps
Started by luthierwnc |
7 Replies
5045 Views |
July 14, 2021, 05:09:18 pm by luthierwnc |
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Voltage controller
Started by PRR |
0 Replies
3600 Views |
July 05, 2021, 10:28:46 pm by PRR |
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SICO TW-11 tube tester????QUESTION
Started by rafe |
10 Replies
6025 Views |
June 19, 2021, 08:42:19 pm by rafe |
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Hickok 539B tube tester
Started by MikeW86 |
2 Replies
4071 Views |
June 07, 2021, 03:53:53 am by Latole |
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Gibson and Fender schematics
Started by Willabe |
19 Replies
9924 Views |
May 20, 2021, 01:28:53 pm by acheld |
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