Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 06:22:43 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:22:43 am | ||
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8 Replies
3275 Views |
February 26, 2021, 07:09:57 pmby martinomma |
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New tool added.
Started by Mike_J |
0 Replies
2065 Views |
February 22, 2021, 08:14:22 am by Mike_J |
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8 Replies
3719 Views |
February 14, 2021, 01:10:12 am by thetragichero |
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DIY Emission Tube Tester
Started by francisco |
11 Replies
11477 Views |
February 08, 2021, 11:20:58 am by slowboy2012 |
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3 Replies
2913 Views |
February 08, 2021, 07:21:11 am by EL34 |
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6 Replies
3213 Views |
February 06, 2021, 06:44:52 pm by sluckey |
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Capacitor meter kit .sparkfun..be a geek
Started by Tom_Hull |
2 Replies
2471 Views |
February 03, 2021, 02:36:24 pm by Eulipian |
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82 Replies
25499 Views |
January 02, 2021, 07:27:24 pm by shooter |
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Anti-vibration mounting do it yourself
Started by kagliostro |
13 Replies
5026 Views |
December 25, 2020, 03:21:14 pm by DummyLoad |
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Free stuff from uncle
Started by Bieworm |
27 Replies
8092 Views |
December 23, 2020, 12:15:02 pm by PRR |
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How to find max peak plate voltage?
Started by Miyagi_83 |
8 Replies
4178 Views |
December 17, 2020, 10:52:43 am by Miyagi_83 |
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Variac Question
Started by Jatchley |
4 Replies
3120 Views |
December 10, 2020, 09:16:23 am by sluckey |
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6 Replies
6284 Views |
December 02, 2020, 11:13:53 am by sluckey |
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Isolation transformer question
Started by yorgle |
1 Replies
2692 Views |
November 24, 2020, 10:10:52 am by sluckey |
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10 Replies
4067 Views |
November 23, 2020, 10:12:05 am by DummyLoad |
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Solder Sucker vs Wick on 3DPT PCB
Started by jordan86 |
10 Replies
4605 Views |
November 19, 2020, 09:15:29 am by Willabe |
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1 Replies
2299 Views |
November 15, 2020, 07:02:22 am by EL34 |
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7 Replies
3482 Views |
October 30, 2020, 12:17:58 pm by Sansteeth |
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IEC punch
Started by Sonny ReVerb |
6 Replies
11335 Views |
October 12, 2020, 08:10:08 pm by DummyLoad |
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BF Deluxe Transformers
Started by jordan86 |
8 Replies
4059 Views |
October 05, 2020, 10:53:18 pm by HotBluePlates |
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8 Replies
6811 Views |
October 02, 2020, 02:12:42 pm by PRR |
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Voltages on vintage tube amps
Started by VintageAmps |
4 Replies
2938 Views |
September 26, 2020, 05:33:56 am by Latole |
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Mystery variac wiring
Started by Joe P |
7 Replies
4509 Views |
September 11, 2020, 05:14:41 pm by Williamblake |
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Redneck signal generator
Started by mresistor |
6 Replies
3683 Views |
September 11, 2020, 01:50:11 am by DummyLoad |
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Hickok Tester Help needed
Started by shaun |
11 Replies
4503 Views |
September 08, 2020, 04:20:50 pm by shaun |
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DIY Tube tester by Grant Willis
Started by rayandkerry |
11 Replies
15396 Views |
August 22, 2020, 08:49:11 pm by HotBluePlates |
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23 Replies
17663 Views |
August 22, 2020, 12:19:00 pm by HotBluePlates |
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Advice on using a GM tube tester
Started by mrr3000gt |
12 Replies
7276 Views |
August 22, 2020, 09:36:31 am by HotBluePlates |
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Adjustable bias range?
Started by hcorneli |
20 Replies
7595 Views |
August 21, 2020, 06:59:26 pm by HotBluePlates |
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Free Ampeg screws
Started by luthierwnc |
0 Replies
2137 Views |
August 15, 2020, 11:42:47 am by luthierwnc |
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PCB Repair Methods/Tips
Started by jordan86 |
8 Replies
3450 Views |
August 09, 2020, 06:28:42 am by John |
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Ammeter in conjunction with variac
Started by capn_starsky |
8 Replies
4615 Views |
June 28, 2020, 07:26:46 pm by Soulfetish |
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5 Replies
3627 Views |
June 18, 2020, 01:36:03 pm by PRR |
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Importance of Voltage Drop?
Started by jordan86 |
6 Replies
4511 Views |
June 10, 2020, 07:23:00 pm by sluckey |
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5 Replies
2927 Views |
May 31, 2020, 01:53:17 pm by Crestone |
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45 Replies
20217 Views |
May 22, 2020, 10:13:17 am by Sonny ReVerb |
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Light bulb limiter behavior
Started by jordan86 |
16 Replies
11341 Views |
May 12, 2020, 08:47:22 am by Latole |
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0 Replies
2129 Views |
April 24, 2020, 05:17:48 am by kagliostro |
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De soldering tool
Started by Willabe |
4 Replies
3022 Views |
April 15, 2020, 06:24:47 pm by shooter |
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issues with meter
Started by dude |
9 Replies
4105 Views |
March 26, 2020, 05:43:47 am by Latole |
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Drilling through eyelet boards
Started by lljsullins |
5 Replies
3473 Views |
March 22, 2020, 11:24:42 pm by Soulfetish |
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My dump load
Started by pc1093 |
0 Replies
2406 Views |
March 22, 2020, 08:21:54 am by pc1093 |
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1 Replies
2460 Views |
March 21, 2020, 12:54:18 am by nandrewjackson |
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Fixing a dirty soldering tip...?
Started by dude |
6 Replies
5131 Views |
March 17, 2020, 10:07:58 am by kagliostro |
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Voltage Divider for Oscilloscopes
Started by StevenPituch |
19 Replies
7781 Views |
March 14, 2020, 10:30:59 am by shooter |
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Keeping a solder tip clean during use
Started by dude |
10 Replies
5110 Views |
February 22, 2020, 02:59:17 pm by kagliostro |
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Micro Cap 12 software is now free
Started by triode |
3 Replies
3157 Views |
February 22, 2020, 02:52:19 pm by kagliostro |
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New workbench fume extraction
Started by SILVERGUN |
23 Replies
6578 Views |
February 21, 2020, 02:48:33 pm by kagliostro |
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What is this?
Started by yorgle |
4 Replies
3093 Views |
February 14, 2020, 11:28:08 pm by HotBluePlates |
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Capacitor clamps.
Started by Captain chunkulus |
6 Replies
3342 Views |
January 29, 2020, 06:43:48 pm by PRR |
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