Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:35:47 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:35:47 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| astronomicum and 14 Guests are viewing this board. | ||||
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Running two PT secondary taps in series?
Started by joesatch |
12 Replies
3169 Views |
May 05, 2022, 02:33:56 amby glass54 |
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13 Replies
3109 Views |
May 04, 2022, 10:40:14 pm by cspar |
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5F1 Motorboating
Started by TIMBO |
4 Replies
2290 Views |
May 04, 2022, 02:43:17 pm by TIMBO |
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hash noise on start-up?
Started by luthierwnc |
9 Replies
2299 Views |
May 03, 2022, 07:00:52 pm by luthierwnc |
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Mystery Output Tranformer Measurements
Started by Rontone |
11 Replies
2656 Views |
May 03, 2022, 12:06:49 pm by Rontone |
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8 Replies
2638 Views |
May 03, 2022, 08:39:04 am by Nathan |
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12 Replies
4669 Views |
May 02, 2022, 10:30:28 am by pdf64 |
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New Build - SilverClone
Started by Hazcat |
7 Replies
2482 Views |
May 01, 2022, 06:52:05 pm by Hazcat |
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help identify which tubes
Started by uki |
6 Replies
2700 Views |
May 01, 2022, 01:40:39 pm by HotBluePlates |
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Hammond 290HX Bias winding
Started by Guy77 |
19 Replies
5122 Views |
May 01, 2022, 09:45:26 am by Guy77 |
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52 Replies
7975 Views |
April 30, 2022, 09:05:44 pm by thetragichero |
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93 Replies
14808 Views |
April 30, 2022, 06:27:25 pm by shooter |
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5 Replies
2089 Views |
April 29, 2022, 11:46:54 pm by Thisismyname |
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25 Replies
4876 Views |
April 28, 2022, 04:34:17 pm by Lectroid |
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It’s been a long time.
Started by NO_H2O |
11 Replies
2617 Views |
April 27, 2022, 09:39:28 pm by dwinstonwood |
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5E3 Kit Build
Started by bbmade |
3 Replies
2126 Views |
April 27, 2022, 01:50:19 pm by dude |
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Champ OT 5K or 8K?
Started by texwest |
22 Replies
4367 Views |
April 26, 2022, 09:44:19 pm by PRR |
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Sunn Model T Clone "75 Watts"
Started by DoomGuy666 |
9 Replies
4312 Views |
April 26, 2022, 07:45:38 pm by owen |
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8-15w Donor Amp/Chassis Suggestion
Started by jordan86 |
39 Replies
5662 Views |
April 26, 2022, 06:38:53 pm by jordan86 |
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8 Replies
2884 Views |
April 26, 2022, 02:26:59 pm by EL34 |
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6K6GT's and 369HX
Started by dwinstonwood |
17 Replies
3255 Views |
April 26, 2022, 08:36:00 am by dwinstonwood |
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20 Replies
4698 Views |
April 25, 2022, 06:08:49 pm by pdf64 |
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8 Replies
3567 Views |
April 25, 2022, 06:00:17 pm by lantertronics |
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4 Replies
2032 Views |
April 25, 2022, 06:31:42 am by pdf64 |
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4 Replies
1924 Views |
April 24, 2022, 03:26:08 pm by jewishjay |
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2 Replies
1740 Views |
April 24, 2022, 09:03:30 am by pbman1953 |
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Twist-lock Cap Can Mounting Plate
Started by Sonny ReVerb |
10 Replies
3014 Views |
April 24, 2022, 05:53:41 am by sluckey |
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18-watt rectifier considerations
Started by PharmRock |
28 Replies
5519 Views |
April 23, 2022, 08:58:42 pm by thetragichero |
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4 Replies
2766 Views |
April 23, 2022, 08:22:30 pm by uki |
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18 Replies
3661 Views |
April 23, 2022, 05:07:48 pm by HotBluePlates |
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Oscillation on vintage guitar amp
Started by Charles_63 |
2 Replies
1919 Views |
April 23, 2022, 02:12:54 pm by Charles_63 |
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15 watt PA amp
Started by isaac_teller |
5 Replies
2142 Views |
April 23, 2022, 12:36:47 pm by isaac_teller |
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3 Replies
2317 Views |
April 22, 2022, 08:48:08 pm by thetragichero |
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Mixing Resistor Explanation (AB763)
Started by clbraddock |
8 Replies
4731 Views |
April 22, 2022, 11:54:57 am by PharmRock |
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Channel switching
Started by Johnnydoright |
8 Replies
2969 Views |
April 21, 2022, 07:01:02 pm by RadioComm |
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resistor identification
Started by joesatch |
6 Replies
2975 Views |
April 21, 2022, 09:11:34 am by mresistor |
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11 Replies
3074 Views |
April 21, 2022, 12:18:06 am by Bieworm |
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5 Replies
2325 Views |
April 20, 2022, 10:19:39 am by spunko |
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Excessive Amp Noise Level
Started by Tbone55 |
12 Replies
3021 Views |
April 20, 2022, 09:20:26 am by Tbone55 |
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13 Replies
10143 Views |
April 20, 2022, 08:42:36 am by SILVERGUN |
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Will this work?
Started by Stuff4bikes |
8 Replies
2282 Views |
April 20, 2022, 08:17:18 am by Stuff4bikes |
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21 Replies
5274 Views |
April 20, 2022, 04:51:10 am by shooter |
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3 Replies
2153 Views |
April 19, 2022, 09:32:20 pm by Willabe |
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375-0-375 PT a bit high?
Started by mini612 |
9 Replies
2688 Views |
April 19, 2022, 09:29:16 pm by PRR |
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6 Replies
2713 Views |
April 18, 2022, 08:59:11 pm by PharmRock |
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14 Replies
8569 Views |
April 18, 2022, 11:22:34 am by pdf64 |
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SoLow watt ECL84
Started by bmccowan |
12 Replies
4173 Views |
April 18, 2022, 10:19:15 am by bmccowan |
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Microphonic 4AB3C1B reverb tank
Started by punkykatt |
9 Replies
3501 Views |
April 18, 2022, 04:39:57 am by Latole |
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4 Replies
1951 Views |
April 17, 2022, 11:26:36 pm by thetragichero |
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3 Replies
1829 Views |
April 17, 2022, 07:27:42 pm by PharmRock |
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