Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 08:54:19 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:19 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| rafe and 43 Guests are viewing this board. | ||||
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8 Replies
6889 Views |
March 27, 2012, 05:36:29 pmby kagliostro |
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Mesa Boogie Mark II troubleshooting
Started by gar13 |
19 Replies
10545 Views |
March 27, 2012, 12:39:21 pm by Willabe |
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MB 3RECTO on the bench
Started by rzenc |
0 Replies
2581 Views |
March 27, 2012, 10:21:55 am by rzenc |
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Leslie 16/Fender Vibraverb
Started by jeff |
7 Replies
4817 Views |
March 27, 2012, 10:18:33 am by jeff |
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can one approach a diy build this way?
Started by bakerlite |
4 Replies
3192 Views |
March 26, 2012, 03:25:45 pm by JayB |
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B25b/5F6a build
Started by firemedic |
4 Replies
3446 Views |
March 26, 2012, 02:22:47 pm by firemedic |
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5 Replies
4179 Views |
March 26, 2012, 08:10:57 am by sluckey |
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vibrolux reverb aa964 voltages
Started by bakerlite |
4 Replies
3504 Views |
March 26, 2012, 07:58:00 am by bakerlite |
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voice of music 160
Started by dub136 |
12 Replies
8337 Views |
March 25, 2012, 09:09:39 pm by sluckey |
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Beltone Teisco Valco Lifco 630 amp repair
Started by omnitek |
10 Replies
5872 Views |
March 25, 2012, 01:30:08 pm by stratele52 |
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DR BF/SF PT and rectifier questions
Started by hokenpoke |
9 Replies
4246 Views |
March 25, 2012, 12:48:09 pm by jojokeo |
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NOS Switchcraft jacks (How too wire)
Started by dude |
5 Replies
3606 Views |
March 24, 2012, 11:31:15 pm by stingray_65 |
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2 Replies
3066 Views |
March 24, 2012, 07:17:56 pm by sluckey |
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ECL85/6GV8 TUBE
Started by TIMBO |
2 Replies
5227 Views |
March 24, 2012, 04:14:30 pm by TIMBO |
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11 Replies
6365 Views |
March 24, 2012, 12:35:33 pm by ACHIEVEIT |
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12 Replies
4960 Views |
March 24, 2012, 11:34:26 am by Colas LeGrippa |
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Can ultra fast diodes be noisy?
Started by 12AX7 |
7 Replies
6471 Views |
March 24, 2012, 09:30:04 am by 12AX7 |
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Single Ended Xformer
Started by Jack1962 |
3 Replies
3047 Views |
March 24, 2012, 12:00:16 am by stingray_65 |
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9 Replies
6739 Views |
March 23, 2012, 08:18:57 pm by HotBluePlates |
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6 Replies
4193 Views |
March 23, 2012, 10:29:03 am by BarnBand |
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6 Replies
3414 Views |
March 23, 2012, 01:08:19 am by The_Gaz |
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Some INFO ,Unavoidable Humm
Started by TIMBO |
10 Replies
5272 Views |
March 23, 2012, 12:15:43 am by TIMBO |
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15 Replies
10255 Views |
March 22, 2012, 07:22:34 pm by Willabe |
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twisting wires....which ones?
Started by 12AX7 |
4 Replies
9180 Views |
March 22, 2012, 03:27:13 pm by Fresh_Start |
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GUILD 66J trem trouble
Started by Colas LeGrippa |
16 Replies
8223 Views |
March 22, 2012, 07:37:58 am by Colas LeGrippa |
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8 Replies
5824 Views |
March 21, 2012, 06:57:20 pm by jazbo8 |
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Transformer label ID help needed
Started by duke of earl |
7 Replies
5026 Views |
March 21, 2012, 06:32:42 pm by duke of earl |
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MOVED: Forum Problem today
Started by tubenit |
0 Replies
2454 Views |
March 21, 2012, 06:21:27 pm by tubenit |
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parallel input
Started by bnew63 |
3 Replies
3461 Views |
March 21, 2012, 02:28:26 pm by bnew63 |
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huuummmmm!
Started by billcreller |
25 Replies
9181 Views |
March 21, 2012, 12:01:19 pm by HotBluePlates |
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Zener diodes in the center tap
Started by phsyconoodler |
9 Replies
9649 Views |
March 20, 2012, 08:08:45 pm by sluckey |
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Blues DeVille
Started by plexi50 |
4 Replies
3462 Views |
March 20, 2012, 02:33:56 pm by plexi50 |
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3 Replies
3212 Views |
March 20, 2012, 11:57:55 am by BarnBand |
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Ampeg V4 Tube replacement
Started by gar13 |
2 Replies
3405 Views |
March 20, 2012, 11:25:07 am by birt |
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Help - Board Layout Using Radial PSU Caps
Started by ncusack |
11 Replies
6869 Views |
March 20, 2012, 07:19:03 am by ncusack |
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Fixed Voltage VVR
Started by TIMBO |
2 Replies
3020 Views |
March 20, 2012, 04:11:46 am by kagliostro |
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11 Replies
5045 Views |
March 20, 2012, 01:33:50 am by Tone Junkie |
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Alternate depth mod values
Started by navdave |
5 Replies
3624 Views |
March 19, 2012, 08:52:33 pm by HotBluePlates |
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BASSMAN AB 165
Started by Colas LeGrippa |
14 Replies
5601 Views |
March 19, 2012, 07:03:12 pm by Colas LeGrippa |
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anyone know Industro tubes?
Started by birt |
7 Replies
4040 Views |
March 19, 2012, 02:27:21 pm by birt |
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Amplifier switchcraft output jacks
Started by schoolie |
4 Replies
3124 Views |
March 19, 2012, 01:21:32 pm by schoolie |
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Orange OR80 runaway bias
Started by ronco05 |
6 Replies
4626 Views |
March 19, 2012, 12:40:47 pm by ronco05 |
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6x5gt
Started by mark_enger |
6 Replies
5373 Views |
March 19, 2012, 09:41:10 am by sluckey |
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7 Replies
4146 Views |
March 19, 2012, 06:35:51 am by EL34 |
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6V6 TOS
Started by stingray_65 |
21 Replies
7139 Views |
March 19, 2012, 02:27:31 am by tubeswell |
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Fender amp voltages
Started by daveyajd |
8 Replies
3993 Views |
March 19, 2012, 12:48:17 am by daveyajd |
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Old Transformer Logo
Started by plexi50 |
3 Replies
2899 Views |
March 18, 2012, 10:34:58 pm by bigsbybender |
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lowering plates from 440VDC to 400 or less?
Started by 12AX7 |
15 Replies
7164 Views |
March 18, 2012, 07:37:59 pm by jjasilli |
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bias balance pot help please
Started by JCSIFU |
13 Replies
8161 Views |
March 18, 2012, 03:20:04 pm by JCSIFU |
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5 Replies
4043 Views |
March 18, 2012, 10:42:46 am by bruno |
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