Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 11:29:18 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 11:29:18 pm | ||
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| scstill and 55 Guests are viewing this board. | ||||
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Ampeg SVT CL biasing
Started by six el six |
13 Replies
7716 Views |
December 09, 2011, 04:44:50 amby birt |
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5 Replies
3682 Views |
December 08, 2011, 06:43:49 pm by HotBluePlates |
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What is this?
Started by tubenit |
17 Replies
7601 Views |
December 08, 2011, 06:31:09 pm by HotBluePlates |
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Sozo vintage "mustard" caps
Started by 12AX7 |
6 Replies
6016 Views |
December 08, 2011, 04:50:39 pm by thermion |
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princetone reverb master volume
Started by phsyconoodler |
46 Replies
16430 Views |
December 08, 2011, 03:29:43 pm by phsyconoodler |
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Reallly bad bias problem :(
Started by ACDCG400 |
12 Replies
4772 Views |
December 08, 2011, 02:49:28 pm by ACDCG400 |
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TREBLE CUT 3 POSITIONS SWITCH
Started by Colas LeGrippa |
11 Replies
4073 Views |
December 08, 2011, 08:27:52 am by tubenit |
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VOX AC50 and old caps/resistors
Started by Leevi |
5 Replies
4372 Views |
December 08, 2011, 06:02:05 am by SoundmasterG |
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TOS REBUILD ALMOST DONE
Started by TIMBO |
1 Replies
2497 Views |
December 08, 2011, 04:29:35 am by tubenit |
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16 Replies
7978 Views |
December 07, 2011, 09:46:59 pm by Willabe |
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S T A A L H O O F D mod
Started by Colas LeGrippa |
21 Replies
11286 Views |
December 07, 2011, 04:20:48 pm by Colas LeGrippa |
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12 Replies
5571 Views |
December 07, 2011, 02:31:05 pm by Ed_Chambley |
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combine this preamp with that power amp
Started by embotone |
7 Replies
3454 Views |
December 07, 2011, 12:21:11 pm by RicharD |
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9 Replies
4869 Views |
December 07, 2011, 10:23:52 am by tubenit |
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6 Replies
3491 Views |
December 07, 2011, 12:46:32 am by Platefire |
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Hoffman/Randall 50 watt schematic
Started by macula56 |
7 Replies
3487 Views |
December 06, 2011, 08:46:19 pm by EL34 |
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2 Replies
2567 Views |
December 05, 2011, 05:59:39 pm by sluckey |
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3 Replies
4304 Views |
December 05, 2011, 10:09:42 am by 12AX7 |
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3 Replies
4321 Views |
December 04, 2011, 02:20:04 pm by Jack1962 |
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EL84 Sockets Well Done
Started by plexi50 |
9 Replies
4521 Views |
December 04, 2011, 10:41:07 am by Tiny_Daddy |
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7 Replies
3542 Views |
December 03, 2011, 09:43:22 pm by HotBluePlates |
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Silvertone Twin 12 with low output
Started by BigE |
5 Replies
3669 Views |
December 03, 2011, 03:14:17 pm by LooseChange |
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2 Replies
2316 Views |
December 03, 2011, 12:46:53 pm by kagliostro |
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coupling cap question
Started by 12AX7 |
4 Replies
4110 Views |
December 03, 2011, 09:14:56 am by 12AX7 |
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7 Replies
3888 Views |
December 03, 2011, 02:57:42 am by kagliostro |
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180 Replies
44932 Views |
December 03, 2011, 01:57:10 am by blown240 |
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3.4K or 6.8K for 6L6 in push pull?
Started by Baguette |
4 Replies
3989 Views |
December 02, 2011, 08:58:55 pm by PRR |
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'50s Epiphone EA-35.....cool story
Started by Geezer |
33 Replies
12382 Views |
December 02, 2011, 08:46:46 pm by HotBluePlates |
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Tame new speakers for a 5f4
Started by Ed_Chambley |
21 Replies
7690 Views |
December 01, 2011, 08:58:23 pm by Ed_Chambley |
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MOVED: Attention Tampa
Started by tubenit |
0 Replies
2487 Views |
December 01, 2011, 02:32:58 pm by tubenit |
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output tranny issues
Started by ernie_jr |
2 Replies
2923 Views |
November 30, 2011, 08:27:08 pm by six el six |
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17 Replies
6604 Views |
November 30, 2011, 07:35:20 pm by Underwood |
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Update on my Violater design
Started by escopunk |
10 Replies
4209 Views |
November 30, 2011, 03:17:08 pm by escopunk |
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2 Replies
2533 Views |
November 30, 2011, 02:44:24 pm by frank57 |
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Torevibe Build Problem
Started by Packerswin14 |
1 Replies
2448 Views |
November 30, 2011, 02:22:53 pm by rzenc |
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100K resistor on tremolo speed pot
Started by Underwood |
3 Replies
3235 Views |
November 30, 2011, 01:53:23 pm by sluckey |
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1 Replies
2506 Views |
November 30, 2011, 11:27:24 am by sluckey |
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VHT PITTBULL CL50
Started by dpm309 |
4 Replies
4246 Views |
November 30, 2011, 10:51:37 am by chocopower |
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Got a 1986 Marshall JCM 800 to work on
Started by Platefire |
30 Replies
14213 Views |
November 30, 2011, 09:22:24 am by Platefire |
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6550s on a Twin Reverb PT
Started by firemedic |
9 Replies
5302 Views |
November 29, 2011, 04:36:08 pm by firemedic |
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4 Replies
3163 Views |
November 29, 2011, 10:26:11 am by stevehoover |
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2011 Vox AC30HW OT swap Help.
Started by heymymy |
3 Replies
3371 Views |
November 29, 2011, 08:47:31 am by heymymy |
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Hot Switch Mod In My Plexi 50
Started by shortfuse |
11 Replies
6590 Views |
November 28, 2011, 04:00:02 pm by jerrydyer |
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4 Replies
3079 Views |
November 28, 2011, 12:08:30 am by tubeswell |
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Tubes To Have In "Stock"
Started by blown240 |
6 Replies
3133 Views |
November 28, 2011, 12:00:38 am by tubeswell |
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Vibro Champ build
Started by blueznet |
3 Replies
2780 Views |
November 27, 2011, 10:50:36 pm by rafe |
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Is this right ??!!
Started by worth |
10 Replies
4185 Views |
November 27, 2011, 08:44:42 pm by DummyLoad |
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8 Replies
4127 Views |
November 27, 2011, 07:37:23 pm by stingray_65 |
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24 Replies
7336 Views |
November 27, 2011, 04:43:53 pm by LooseChange |
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A different way for a turret board
Started by kagliostro |
9 Replies
5821 Views |
November 27, 2011, 09:08:27 am by frank57 |
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