Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 05:35:54 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 05:35:54 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 28 Guests are viewing this board. | ||||
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Spitfire clone with SS BRIDGE RECTIFIER
Started by mikhett |
2 Replies
2308 Views |
April 06, 2019, 10:57:48 amby Colas LeGrippa |
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70 Replies
18084 Views |
April 05, 2019, 07:50:58 am by sluckey |
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10 Replies
4279 Views |
April 04, 2019, 10:18:53 pm by Papa Jim |
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Need help with a design *Now with pictures
Started by DonP |
16 Replies
4899 Views |
April 04, 2019, 12:07:41 pm by shooter |
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9 Replies
15383 Views |
April 04, 2019, 08:17:50 am by cusebassman |
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rectifier questions
Started by ALBATROS1234 |
14 Replies
5442 Views |
April 03, 2019, 09:58:33 pm by ALBATROS1234 |
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6G2 Brownface Princeton Build
Started by bmccowan |
6 Replies
7113 Views |
April 03, 2019, 07:33:34 pm by bmccowan |
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23 Replies
6746 Views |
April 03, 2019, 05:49:10 pm by pompeiisneaks |
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Matchless Lightning layout
Started by daveyajd |
3 Replies
2997 Views |
April 03, 2019, 04:14:17 pm by daveyajd |
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Need help identifying this part please.
Started by Papa Jim |
11 Replies
3863 Views |
April 03, 2019, 12:35:31 pm by PRR |
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Question about my Vibro champ PT
Started by dude |
21 Replies
6466 Views |
April 02, 2019, 02:36:50 pm by dude |
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VVR Question
Started by TIMBO |
7 Replies
4290 Views |
April 02, 2019, 01:56:15 pm by TIMBO |
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8 Replies
4407 Views |
April 01, 2019, 05:14:36 pm by Wurli Dad |
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KT 88 champ build.
Started by mikhett |
1 Replies
2212 Views |
April 01, 2019, 03:57:37 pm by bmccowan |
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Heater Wiring Question
Started by Papa Jim |
10 Replies
4150 Views |
March 31, 2019, 04:33:58 pm by shooter |
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Aa964 princeton
Started by phsyconoodler |
7 Replies
3093 Views |
March 31, 2019, 04:12:59 pm by bmccowan |
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Grid stoppers causing HF oscillation?
Started by ECV02 |
8 Replies
3467 Views |
March 31, 2019, 06:52:18 am by pdf64 |
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25 Replies
8131 Views |
March 30, 2019, 01:01:57 pm by MakerDP |
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New York Rangers won !
Started by Colas LeGrippa |
3 Replies
2345 Views |
March 29, 2019, 09:06:28 pm by Colas LeGrippa |
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60 Replies
14532 Views |
March 29, 2019, 07:37:21 pm by Papa Jim |
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3 Replies
2184 Views |
March 29, 2019, 09:37:46 am by shooter |
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JCM 2204 Protection Fuse value question
Started by NSB_Chris |
7 Replies
4106 Views |
March 29, 2019, 05:24:03 am by pdf64 |
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Voltage regulation for master volume?
Started by Shawnee |
9 Replies
3605 Views |
March 29, 2019, 12:13:43 am by PRR |
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10 Replies
4204 Views |
March 27, 2019, 07:35:42 pm by bmccowan |
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IT WORKS
Started by Masterwaiter |
2 Replies
2319 Views |
March 27, 2019, 01:38:56 pm by John |
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Wurlitzer 44 amp project
Started by dsmith9 |
31 Replies
11803 Views |
March 27, 2019, 03:25:45 am by scrimpus |
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Thread deleted instantaneously?
Started by ALBATROS1234 |
9 Replies
4206 Views |
March 26, 2019, 05:49:34 pm by PRR |
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Power tube extra safety device
Started by Colas LeGrippa |
25 Replies
6380 Views |
March 26, 2019, 05:20:13 pm by Colas LeGrippa |
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Component Question
Started by Tbone55 |
39 Replies
9869 Views |
March 25, 2019, 12:50:32 pm by Tbone55 |
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6 Replies
3608 Views |
March 25, 2019, 06:59:15 am by shooter |
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3 Replies
2245 Views |
March 25, 2019, 02:49:10 am by VMS |
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Same o'le, same o'le.
Started by Papa Jim |
12 Replies
3856 Views |
March 24, 2019, 05:52:40 am by Papa Jim |
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1 Replies
1708 Views |
March 24, 2019, 12:43:14 am by davidwpack |
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A tale of 2 tweed champs
Started by Shack |
20 Replies
7199 Views |
March 23, 2019, 11:34:12 pm by ALBATROS1234 |
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Amp has no headroom and low volume
Started by dearborndave |
38 Replies
11885 Views |
March 23, 2019, 07:56:22 pm by shooter |
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Champ build with el- 84
Started by mikhett |
4 Replies
4162 Views |
March 23, 2019, 07:24:13 pm by bmccowan |
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Transformer Conundrum: Gibson GA15-RVT
Started by Widgetmjl |
11 Replies
9070 Views |
March 23, 2019, 06:36:48 pm by bmccowan |
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2 Replies
1625 Views |
March 23, 2019, 11:10:19 am by Colas LeGrippa |
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6 Replies
5892 Views |
March 23, 2019, 09:55:52 am by ALBATROS1234 |
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8 Replies
5465 Views |
March 21, 2019, 10:34:18 pm by Willabe |
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My version of 5f6a 6V6
Started by stinga11 |
6 Replies
4103 Views |
March 21, 2019, 06:13:36 pm by stinga11 |
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My D'MARS ODS 5879 finally has a home...
Started by MakerDP |
12 Replies
4629 Views |
March 21, 2019, 12:13:11 pm by MakerDP |
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Mesa Rocket 44 part
Started by etneccas |
15 Replies
4545 Views |
March 20, 2019, 07:15:37 pm by etneccas |
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3 Replies
2366 Views |
March 20, 2019, 10:36:24 am by MakerDP |
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Reverb design
Started by PRR |
12 Replies
4262 Views |
March 19, 2019, 04:05:12 pm by shooter |
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resistor
Started by Clinton07555 |
1 Replies
2019 Views |
March 19, 2019, 07:31:32 am by sluckey |
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6SN7 vs 6v6GTA
Started by Papa Jim |
14 Replies
7120 Views |
March 18, 2019, 09:08:02 pm by pullshocks |
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Cathode biasing question
Started by Colas LeGrippa |
16 Replies
6043 Views |
March 18, 2019, 03:13:22 pm by PRR |
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Parasitic cancelling tricks ?
Started by Colas LeGrippa |
4 Replies
2658 Views |
March 17, 2019, 11:19:53 am by Colas LeGrippa |
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Oscillation problem solved
Started by Colas LeGrippa |
1 Replies
1872 Views |
March 17, 2019, 10:52:53 am by Colas LeGrippa |
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