Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 09:55:34 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 09:55:34 pm | ||
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Bogen CHB 10A's Come alive
Started by Silvertone |
6 Replies
7424 Views |
November 13, 2022, 04:57:30 pmby moapys |
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DUAL50 problem keeps returning
Started by Bieworm |
8 Replies
3905 Views |
November 13, 2022, 01:36:36 pm by Jennings |
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remove tonestack from 2204 circuit
Started by joesatch |
4 Replies
3059 Views |
November 13, 2022, 12:12:27 pm by Jennings |
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0 Replies
2337 Views |
November 13, 2022, 10:32:33 am by scstill |
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Philips EL6401-02 popping mains fuse
Started by Jennings |
22 Replies
5938 Views |
November 13, 2022, 09:08:23 am by Jennings |
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18 Replies
6491 Views |
November 13, 2022, 06:14:21 am by Hoodnight |
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Installing a bias pot in a Blues Jr
Started by dude |
13 Replies
5004 Views |
November 12, 2022, 04:24:32 pm by dude |
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Dumble PCB boards project
Started by frusciante89 |
20 Replies
12425 Views |
November 12, 2022, 09:56:29 am by acheld |
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Brownface design question
Started by Greg |
0 Replies
2622 Views |
November 11, 2022, 08:51:23 pm by Greg |
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Potentiometer Wattage question
Started by Soulchief |
8 Replies
3440 Views |
November 11, 2022, 01:10:19 pm by Soulchief |
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43 Replies
10799 Views |
November 11, 2022, 11:31:10 am by Mike_J |
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18 Replies
6568 Views |
November 10, 2022, 11:06:24 pm by 12AX7 |
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6 Replies
3431 Views |
November 10, 2022, 10:45:57 pm by HotBluePlates |
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9 Replies
3916 Views |
November 10, 2022, 10:24:28 pm by ES125guy |
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Motorboating on bass pot
Started by Mr.Death |
20 Replies
5684 Views |
November 10, 2022, 09:44:33 am by Mr.Death |
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26 Replies
9325 Views |
November 09, 2022, 09:00:11 pm by thetragichero |
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Phoenix build
Started by Auke Jolman |
6 Replies
3657 Views |
November 09, 2022, 06:30:28 am by Auke Jolman |
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3 way NFB switch troubleshooting
Started by Ledvedder |
6 Replies
3776 Views |
November 09, 2022, 04:30:03 am by kagliostro |
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1930's radio conversion
Started by ALBATROS1234 |
6 Replies
3435 Views |
November 08, 2022, 07:37:06 pm by scstill |
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New 5e3 build voltage check
Started by Ledvedder |
10 Replies
4031 Views |
November 08, 2022, 11:17:55 am by JPK |
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99 Replies
21095 Views |
November 08, 2022, 09:17:42 am by pdf64 |
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0 Replies
2634 Views |
November 07, 2022, 06:21:39 pm by Steve Fundy |
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Scrap Build, Sluckey Dual Lite, planning
Started by CrocMule |
13 Replies
5251 Views |
November 07, 2022, 06:39:02 am by mresistor |
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15BD11A....
Started by TIMBO |
38 Replies
8867 Views |
November 07, 2022, 04:10:26 am by shooter |
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why the huge difference in R values?
Started by 12AX7 |
17 Replies
6204 Views |
November 06, 2022, 09:56:56 pm by 12AX7 |
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80 Replies
16569 Views |
November 06, 2022, 09:49:45 pm by Ledvedder |
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question about plate voltage to V1
Started by joesatch |
9 Replies
3811 Views |
November 05, 2022, 06:51:27 pm by HotBluePlates |
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2 Replies
2505 Views |
November 05, 2022, 04:42:57 pm by HotBluePlates |
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8 Replies
4041 Views |
November 05, 2022, 12:36:18 pm by DummyLoad |
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21 Replies
10267 Views |
November 05, 2022, 10:33:00 am by W5FH |
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6 Replies
3500 Views |
November 05, 2022, 10:20:35 am by joesatch |
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5e3 - alternate speaker jack wiring?
Started by Ledvedder |
1 Replies
2432 Views |
November 04, 2022, 11:19:37 am by pdf64 |
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5 Replies
3784 Views |
November 03, 2022, 05:42:41 pm by Carlsoti |
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Power Transformer Recommendation - 2x6550
Started by W5FH |
3 Replies
3033 Views |
November 03, 2022, 10:59:28 am by W5FH |
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hammond 372BX connections
Started by rafaelctt |
7 Replies
3967 Views |
November 03, 2022, 10:53:42 am by rafaelctt |
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Switchcraft vs. Cliff 1/4" Jacks
Started by DuaneOh |
3 Replies
4102 Views |
November 02, 2022, 06:20:48 pm by acheld |
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6j6 LTP experiment
Started by BrainDeadAmps |
4 Replies
3627 Views |
November 01, 2022, 06:53:18 pm by BrainDeadAmps |
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22 Replies
13622 Views |
November 01, 2022, 12:38:43 am by PRR |
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Behavior of 807 power tubes
Started by Leevi |
1 Replies
2451 Views |
November 01, 2022, 12:34:47 am by PRR |
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6BM8 triode plate resistor Q
Started by tubenit |
8 Replies
3655 Views |
October 31, 2022, 12:03:05 pm by PRR |
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4 Replies
3150 Views |
October 31, 2022, 09:26:00 am by JPK |
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5F1 Build Thumping Problem?
Started by oogabooga23 |
11 Replies
3841 Views |
October 30, 2022, 08:23:05 pm by oogabooga23 |
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Ampeg B-15-NF question
Started by mresistor |
5 Replies
3387 Views |
October 30, 2022, 06:48:55 pm by mresistor |
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How to Wire Unused Triodes
Started by Thisismyname |
5 Replies
3471 Views |
October 30, 2022, 11:48:53 am by sluckey |
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3 Replies
3642 Views |
October 30, 2022, 05:35:20 am by pdf64 |
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Vox or Lightning Preamp
Started by johngovan |
4 Replies
2727 Views |
October 29, 2022, 10:01:16 am by jordan86 |
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Tonestack switching confusion
Started by Zenabi |
14 Replies
4651 Views |
October 29, 2022, 10:00:45 am by Zenabi |
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16 Replies
5200 Views |
October 29, 2022, 12:09:47 am by jordan86 |
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9 Replies
4974 Views |
October 28, 2022, 03:21:54 pm by Willabe |
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Artificial center tap for my 5e3 build
Started by Ledvedder |
2 Replies
2882 Views |
October 28, 2022, 07:03:26 am by Ledvedder |
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