Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 02:18:09 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 02:18:09 pm | ||
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| tomojt and 137 Guests are viewing this board. | ||||
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MIG 60 PT question - Schematic here
Started by kagliostro |
3 Replies
5452 Views |
October 30, 2013, 09:49:04 amby alerich |
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Hoffman AC30 voltage
Started by labb |
15 Replies
7967 Views |
October 30, 2013, 09:02:52 am by labb |
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Unused transformer leads
Started by macula56 |
8 Replies
5043 Views |
October 29, 2013, 02:16:24 pm by shoggoth |
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Ultra Rectifier Board
Started by macula56 |
11 Replies
6689 Views |
October 29, 2013, 01:18:16 pm by sluckey |
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28 Replies
30655 Views |
October 29, 2013, 02:32:42 am by tubeswell |
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Time for a Marshall plan
Started by bnwitt |
11 Replies
6305 Views |
October 28, 2013, 08:22:44 am by Ed_Chambley |
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crate blue voodoo 120 bias problem
Started by danger-russ |
10 Replies
12590 Views |
October 27, 2013, 08:03:45 pm by plexi50 |
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help with a Hoffman AC30
Started by JCleghorn1 |
15 Replies
6402 Views |
October 27, 2013, 06:29:42 pm by tubenit |
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Using Chassis as Ground?
Started by ioplex |
26 Replies
13468 Views |
October 27, 2013, 01:06:20 pm by Ghetto_Soundwave |
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14 Replies
6408 Views |
October 26, 2013, 03:07:28 pm by TIMBO |
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16 Replies
7585 Views |
October 26, 2013, 10:10:35 am by HotBluePlates |
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Sweet Hammond score
Started by Slimtim |
9 Replies
5450 Views |
October 25, 2013, 08:03:32 pm by Ritchie200 |
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3 Replies
4118 Views |
October 25, 2013, 02:28:07 pm by HotBluePlates |
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PT getting hot
Started by Ed_Chambley |
16 Replies
8097 Views |
October 25, 2013, 12:48:17 pm by DummyLoad |
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Do you think this would work
Started by Leevi |
29 Replies
9548 Views |
October 24, 2013, 09:12:01 am by Leevi |
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9 Replies
8644 Views |
October 24, 2013, 08:20:55 am by Jack1962 |
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Output tube(s) replacement
Started by LHPcope |
31 Replies
13105 Views |
October 24, 2013, 08:07:04 am by Jack1962 |
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MESA BOOGIE shit fan removal
Started by Colas LeGrippa |
18 Replies
10913 Views |
October 24, 2013, 08:02:11 am by stratele52 |
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12ax7 safe voltage
Started by Boone |
5 Replies
4320 Views |
October 24, 2013, 03:58:49 am by tubeswell |
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strange output transformers
Started by dscottguitars |
22 Replies
11407 Views |
October 22, 2013, 09:20:53 pm by dscottguitars |
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Silvertone 1484 reverb
Started by Tiny_Daddy |
13 Replies
14069 Views |
October 22, 2013, 02:33:37 pm by zarfnober |
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?s about the output of AC568 bassman
Started by nateflanigan |
2 Replies
5456 Views |
October 22, 2013, 06:25:33 am by nateflanigan |
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Power Chord Strain Relief w/ 16 AWG Cord?
Started by ioplex |
5 Replies
5918 Views |
October 21, 2013, 12:29:26 pm by ioplex |
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gain pot values
Started by 12AX7 |
4 Replies
10800 Views |
October 19, 2013, 03:55:43 pm by jojokeo |
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KT 66'S IN 67' BFSR
Started by muzacman02 |
4 Replies
3985 Views |
October 19, 2013, 10:46:11 am by HotBluePlates |
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AC30 build red plating, loud hum
Started by glassesnvests |
14 Replies
7263 Views |
October 19, 2013, 06:40:43 am by sluckey |
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5 Replies
3631 Views |
October 18, 2013, 10:12:34 pm by silverfox |
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Keeping it clean
Started by TIMBO |
7 Replies
4623 Views |
October 18, 2013, 05:23:15 pm by TIMBO |
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Interesting problem cascading EF86s
Started by 3choplex |
15 Replies
8917 Views |
October 18, 2013, 12:54:12 pm by PRR |
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V1 Hissy
Started by G._Hoffman |
7 Replies
4789 Views |
October 17, 2013, 08:37:47 pm by jojokeo |
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Fender Twi re issue HUM
Started by jerrydyer |
11 Replies
5205 Views |
October 17, 2013, 07:51:03 pm by jerrydyer |
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Power transformers in parallel
Started by alerich |
6 Replies
4251 Views |
October 17, 2013, 06:19:44 pm by HotBluePlates |
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0 Replies
3578 Views |
October 17, 2013, 09:25:57 am by LHPcope |
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mesa mk IV bias issues
Started by phsyconoodler |
4 Replies
4707 Views |
October 16, 2013, 04:53:16 pm by phsyconoodler |
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12 Replies
7965 Views |
October 16, 2013, 04:48:06 am by G._Hoffman |
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SE amp with VVR and tremolo
Started by Leevi |
16 Replies
6276 Views |
October 15, 2013, 11:59:45 pm by Leevi |
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11 Replies
5665 Views |
October 15, 2013, 11:35:10 pm by TubeGeek |
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Cooling fan
Started by labb |
6 Replies
4783 Views |
October 15, 2013, 09:25:30 am by Jack1962 |
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AC30 Vox owner ; tremolo / vibrato channel
Started by stratele52 |
1 Replies
3631 Views |
October 15, 2013, 09:18:59 am by Jack1962 |
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9 Replies
5652 Views |
October 14, 2013, 05:19:19 pm by Gainzilla |
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8 Replies
5857 Views |
October 14, 2013, 01:25:43 pm by punkykatt |
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L-pad Attenuator Build
Started by jjasilli |
4 Replies
7765 Views |
October 14, 2013, 01:13:50 pm by jjasilli |
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Reverberocket 2 volume falls when trem turned up
Started by chuggy |
3 Replies
4264 Views |
October 14, 2013, 12:09:14 pm by terminalgs |
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17 Replies
12075 Views |
October 14, 2013, 08:53:53 am by HotBluePlates |
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1954 Guild Masteramp
Started by Steve_P |
27 Replies
15413 Views |
October 14, 2013, 08:46:02 am by Steve_P |
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B-52 Biasing Problems
Started by dpm309 |
8 Replies
8950 Views |
October 14, 2013, 05:56:40 am by Jack1962 |
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Mounting a reverb tank
Started by TIMBO |
11 Replies
6528 Views |
October 14, 2013, 03:56:47 am by TIMBO |
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14 Replies
6834 Views |
October 11, 2013, 11:44:06 pm by PRR |
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46 Replies
16628 Views |
October 11, 2013, 07:39:33 pm by John |
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power supply question
Started by ernie_jr |
6 Replies
4905 Views |
October 11, 2013, 02:48:07 pm by jjasilli |
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