Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 06:22:58 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 06:22:58 pm | ||
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Carvin help ?
Started by jerrydyer |
9 Replies
3854 Views |
November 21, 2013, 11:53:31 pmby jerrydyer |
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21 Replies
9491 Views |
November 21, 2013, 02:55:58 pm by lego4040 |
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3 Replies
3169 Views |
November 21, 2013, 08:31:31 am by keithpop |
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Anybody have a 5E9-A layout?
Started by SLW |
18 Replies
5332 Views |
November 20, 2013, 08:20:24 pm by lego4040 |
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The One That Got Away
Started by P Batty |
6 Replies
2852 Views |
November 20, 2013, 12:14:06 pm by thermion |
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NFB resistor value - AB763 circuits
Started by osing |
10 Replies
10136 Views |
November 20, 2013, 08:21:13 am by sluckey |
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5 Replies
3049 Views |
November 19, 2013, 03:49:35 pm by Boone |
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Pi filter in power supply
Started by punkykatt |
3 Replies
3058 Views |
November 19, 2013, 01:34:17 pm by Ed_Chambley |
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Fixed V Cathode Bias
Started by TIMBO |
19 Replies
10651 Views |
November 19, 2013, 08:09:28 am by Voxbox |
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Convert my el 84 ga5 to 6v6 ?
Started by john_t |
1 Replies
1940 Views |
November 18, 2013, 06:07:38 pm by PRR |
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Sluckey's AB763 Lite...
Started by mmrxcsr01 |
5 Replies
3295 Views |
November 18, 2013, 02:27:15 pm by mmrxcsr01 |
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How does a Vibrasonic Vibrato work?
Started by Voxbox |
12 Replies
4503 Views |
November 18, 2013, 05:45:29 am by SoundmasterG |
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Switching Problem
Started by clyde |
3 Replies
2451 Views |
November 17, 2013, 08:47:54 pm by clyde |
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Where there's smoke...
Started by Keppy |
8 Replies
3703 Views |
November 17, 2013, 05:39:15 pm by Keppy |
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9 Replies
5697 Views |
November 17, 2013, 11:06:10 am by keithpop |
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Hagstrom 39
Started by Leevi |
19 Replies
7281 Views |
November 17, 2013, 07:46:56 am by Leevi |
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BTO back on the bench
Started by TIMBO |
12 Replies
4189 Views |
November 16, 2013, 11:57:40 pm by TIMBO |
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52 Replies
24155 Views |
November 16, 2013, 11:45:46 pm by TIMBO |
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61 Replies
18072 Views |
November 16, 2013, 10:46:40 am by Ed_Chambley |
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11bm8 tubes
Started by Scsoul |
4 Replies
3824 Views |
November 15, 2013, 09:59:45 pm by Scsoul |
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13 Replies
5383 Views |
November 15, 2013, 11:31:24 am by BobL |
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6160 tuner
Started by johnesim |
3 Replies
2097 Views |
November 15, 2013, 08:42:20 am by Willabe |
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5E8A with Tremelo
Started by ajeffcote |
2 Replies
2231 Views |
November 15, 2013, 03:58:10 am by ajeffcote |
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Gibson GA45-RVT low power
Started by BigE |
20 Replies
6757 Views |
November 14, 2013, 07:51:55 pm by BigE |
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6V6 18Watt Parallel V1 Tuning Help
Started by ncusack |
4 Replies
2770 Views |
November 14, 2013, 07:28:12 pm by jojokeo |
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Can an amp's tone curve be tweaked
Started by pbman1953 |
3 Replies
2213 Views |
November 14, 2013, 02:12:49 pm by pbman1953 |
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balancing a LTPI ?
Started by 12AX7 |
14 Replies
6626 Views |
November 14, 2013, 12:15:34 pm by 12AX7 |
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DPST standby switch
Started by Boone |
23 Replies
7530 Views |
November 14, 2013, 11:41:19 am by stratele52 |
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7025s for a Brown Vibrasonic
Started by Voxbox |
6 Replies
3151 Views |
November 14, 2013, 08:31:39 am by Tom_Hull |
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adding dwell to a princeton reverb
Started by lego4040 |
4 Replies
3418 Views |
November 13, 2013, 08:41:24 pm by lego4040 |
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Oahu Amp? Tube Arraingement
Started by plexi50 |
20 Replies
6145 Views |
November 13, 2013, 07:21:20 pm by plexi50 |
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1967 Pro reverb bias problem
Started by Michael1 |
31 Replies
9412 Views |
November 12, 2013, 01:28:54 pm by Michael1 |
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Tube Doctor 5E3 Build
Started by mayburyds |
44 Replies
11019 Views |
November 12, 2013, 10:47:43 am by mayburyds |
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9 Replies
4232 Views |
November 11, 2013, 06:22:04 pm by sluckey |
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6 Replies
2998 Views |
November 11, 2013, 02:58:16 pm by Ed_Chambley |
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7 Replies
6951 Views |
November 11, 2013, 11:59:19 am by jojokeo |
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Anybody recognize this tranny?
Started by eleventeen |
4 Replies
2489 Views |
November 11, 2013, 11:23:13 am by mat janssen |
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foot switch jack
Started by Bugman3183 |
5 Replies
2430 Views |
November 11, 2013, 10:31:05 am by Bugman3183 |
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5E9-A rectifier ?
Started by SLW |
15 Replies
6325 Views |
November 10, 2013, 08:35:00 am by SLW |
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Seafoam green princeton reverb clone
Started by TubeGeek |
30 Replies
7888 Views |
November 09, 2013, 03:19:24 pm by TubeGeek |
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El84 snubber - Anyone try this?
Started by jjasilli |
22 Replies
12077 Views |
November 09, 2013, 10:08:30 am by jojokeo |
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Chassis heat and fans - Part II
Started by alerich |
5 Replies
2923 Views |
November 09, 2013, 09:28:12 am by jojokeo |
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voltage doubler with 7591 tubes
Started by Tom_Hull |
23 Replies
8079 Views |
November 09, 2013, 08:13:58 am by Tom_Hull |
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Challenger CHB 35
Started by plexi50 |
12 Replies
8067 Views |
November 09, 2013, 06:50:04 am by jjasilli |
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13 Replies
5433 Views |
November 08, 2013, 10:15:01 pm by DummyLoad |
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Twin Reverb Filter cap board
Started by Guitarzan |
8 Replies
6660 Views |
November 08, 2013, 10:16:15 am by Guitarzan |
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unity gain?
Started by shooter |
8 Replies
2918 Views |
November 08, 2013, 09:34:39 am by sluckey |
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fender princeton 5f2-a trouble
Started by djsadowsk |
19 Replies
5376 Views |
November 07, 2013, 07:46:46 pm by djsadowsk |
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Diving into a vintage SVT
Started by nateflanigan |
24 Replies
7874 Views |
November 07, 2013, 02:40:04 pm by nateflanigan |
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Ways to get more voltage to V1?
Started by 12AX7 |
30 Replies
10301 Views |
November 07, 2013, 01:12:45 pm by Ed_Chambley |
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