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 | ||
| Subject / Started by | Replies / Views | Last post  |
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Keeping a solder tip clean during use
Started by dude |
10 Replies
5435 Views |
February 22, 2020, 02:59:17 pmby kagliostro |
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Micro Cap 12 software is now free
Started by triode |
3 Replies
3268 Views |
February 22, 2020, 02:52:19 pm by kagliostro |
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New workbench fume extraction
Started by SILVERGUN |
23 Replies
7146 Views |
February 21, 2020, 02:48:33 pm by kagliostro |
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What is this?
Started by yorgle |
4 Replies
3315 Views |
February 14, 2020, 11:28:08 pm by HotBluePlates |
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Capacitor clamps.
Started by Captain chunkulus |
6 Replies
3464 Views |
January 29, 2020, 06:43:48 pm by PRR |
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Found this solder, any good
Started by dude |
4 Replies
3076 Views |
January 13, 2020, 05:57:03 pm by dude |
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Dangers Of Exceeding 6V6GT Maximum Ratings
Started by PRR |
6 Replies
4223 Views |
December 20, 2019, 10:11:21 am by Ed_Chambley |
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19 Replies
11339 Views |
December 04, 2019, 01:25:51 pm by lego4040 |
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Lo pass (treble Bleed) w/shunt R
Started by jjasilli |
2 Replies
3504 Views |
November 22, 2019, 04:53:49 pm by PRR |
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Effect of value of input R (Grid Leak)
Started by jjasilli |
23 Replies
10846 Views |
November 22, 2019, 11:58:21 am by shooter |
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Standard Color Code For Wires - 1958
Started by PRR |
1 Replies
3629 Views |
November 19, 2019, 05:01:49 pm by Williamblake |
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3 Replies
3602 Views |
November 01, 2019, 10:16:08 am by jjasilli |
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Flea Market Variac
Started by rafe |
5 Replies
4050 Views |
October 21, 2019, 08:04:12 pm by rafe |
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11 Replies
5143 Views |
September 22, 2019, 07:48:25 am by Williamblake |
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Proper Use Of Fuses - 1956
Started by PRR |
4 Replies
3816 Views |
September 06, 2019, 10:27:44 pm by Ritchie200 |
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What step down transformer to use?
Started by Oddvar |
2 Replies
2913 Views |
August 04, 2019, 12:03:12 pm by Oddvar |
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Construction Tip
Started by wolf_papa |
3 Replies
3187 Views |
July 22, 2019, 08:02:23 pm by jjasilli |
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Track saws
Started by MakerDP |
19 Replies
6634 Views |
July 21, 2019, 07:55:18 pm by MakerDP |
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Looking for Regulated Power Supply
Started by ululufut |
6 Replies
4854 Views |
July 15, 2019, 07:03:13 pm by ululufut |
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2 Replies
3226 Views |
July 05, 2019, 09:46:05 pm by whoops |
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A Neat Little Tester
Started by rake |
13 Replies
8794 Views |
July 05, 2019, 09:43:12 pm by whoops |
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An Ingenious Speaker Switch - 1929
Started by PRR |
2 Replies
3896 Views |
July 05, 2019, 09:42:28 pm by shooter |
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I work with strippers
Started by PRR |
1 Replies
2650 Views |
July 04, 2019, 09:53:56 pm by galaxiex |
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Router bits
Started by davidwpack |
10 Replies
5846 Views |
June 22, 2019, 01:25:41 pm by jeff_free69 |
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Cheap "variac". To good to be true?
Started by chocopower |
10 Replies
5821 Views |
June 11, 2019, 11:58:55 pm by PRR |
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New tool for my shop
Started by kagliostro |
16 Replies
7440 Views |
May 11, 2019, 10:30:54 am by kagliostro |
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Turret Lug Press
Started by stingray_65 |
10 Replies
7933 Views |
April 29, 2019, 04:15:10 pm by jjasilli |
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3 Replies
4538 Views |
April 29, 2019, 10:38:53 am by MakerDP |
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Rivnut setting tool
Started by MakerDP |
41 Replies
15465 Views |
April 20, 2019, 08:11:29 am by EL34 |
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53 Replies
19607 Views |
March 02, 2019, 01:51:14 pm by davidwpack |
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0 Replies
2870 Views |
February 28, 2019, 11:30:27 am by mresistor |
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Heathkit AG-10 power supply question
Started by acheld |
3 Replies
4575 Views |
January 13, 2019, 06:15:07 pm by acheld |
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Electric Shock From Radios....
Started by PRR |
2 Replies
3814 Views |
December 30, 2018, 11:42:32 am by davidwpack |
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Heathkit IO-21 oscilloscope
Started by JerkStore |
3 Replies
4661 Views |
November 28, 2018, 11:08:19 pm by John |
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Best way to diy your own BNC connectors?
Started by lego4040 |
4 Replies
3646 Views |
November 17, 2018, 08:34:53 pm by shooter |
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Cheap tone generator (kinda funny)
Started by rake |
4 Replies
5082 Views |
November 08, 2018, 03:36:35 pm by mwelch55 |
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10 Replies
9077 Views |
October 13, 2018, 09:35:03 pm by Refugee |
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2 Replies
4125 Views |
October 09, 2018, 07:59:21 pm by Tommynz195 |
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Thoughts on Audio Autotransformers?
Started by JayCobie |
0 Replies
2843 Views |
October 06, 2018, 10:27:30 am by JayCobie |
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747 tube tester manual and schematic
Started by Tommynz195 |
2 Replies
3558 Views |
October 04, 2018, 07:12:49 pm by Tommynz195 |
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Bulb Wattage for Lightbulb Limiter
Started by turtle441 |
4 Replies
5625 Views |
August 26, 2018, 08:59:22 am by byoungblood |
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Reading capacitance on auto range
Started by dude |
5 Replies
5127 Views |
May 14, 2018, 04:44:48 pm by SILVERGUN |
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Which is the name of this items ?
Started by kagliostro |
12 Replies
5816 Views |
April 11, 2018, 01:05:51 am by rake |
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7 Replies
5046 Views |
April 04, 2018, 08:28:32 am by bnwitt |
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NASA workmanship pictorial guide.
Started by DummyLoad |
6 Replies
5311 Views |
April 02, 2018, 08:28:18 am by shooter |
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11 Replies
5469 Views |
March 22, 2018, 06:07:32 pm by kagliostro |
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USB oscilloscopes
Started by rake |
2 Replies
3044 Views |
March 12, 2018, 08:16:21 pm by rake |
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Teflon Strippers
Started by p2pAmps |
26 Replies
11219 Views |
February 15, 2018, 05:48:48 am by Ed_Chambley |
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13 Replies
11706 Views |
February 12, 2018, 02:28:54 pm by Diverted |
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New fret file for stainless job easy
Started by Ed_Chambley |
10 Replies
5345 Views |
February 12, 2018, 09:13:48 am by Ed_Chambley |
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