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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1973 Princeton Reverb question
Started by Michael1 |
18 Replies
9242 Views |
January 26, 2013, 06:55:32 amby plexi50 |
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7 Replies
4676 Views |
January 26, 2013, 03:29:51 am by kagliostro |
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11 Replies
6402 Views |
January 25, 2013, 10:46:13 pm by SoundmasterG |
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Deluxe Bassman Reverb
Started by tubenit |
9 Replies
5490 Views |
January 25, 2013, 09:46:32 pm by printer2 |
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5E3 blowing a speaker?
Started by Madison |
11 Replies
6382 Views |
January 25, 2013, 11:19:24 am by archaos |
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4 Replies
4710 Views |
January 25, 2013, 03:45:47 am by jazbo8 |
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16 Replies
8014 Views |
January 24, 2013, 04:12:34 pm by DummyLoad |
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PUSH-PULL, no cathode follower ?
Started by Colas LeGrippa |
4 Replies
4338 Views |
January 24, 2013, 02:30:43 pm by DummyLoad |
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0 Replies
4569 Views |
January 24, 2013, 10:32:32 am by dkevin |
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Is this Fuse Switch Plug wiring wrong?
Started by frank57 |
14 Replies
11789 Views |
January 24, 2013, 08:21:20 am by frank57 |
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Top Gun Toobz.
Started by DummyLoad |
7 Replies
5760 Views |
January 24, 2013, 07:16:35 am by kagliostro |
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6 Replies
4762 Views |
January 23, 2013, 10:39:58 pm by 12AX7 |
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Is this Schematic correction right?
Started by frank57 |
5 Replies
5753 Views |
January 23, 2013, 04:56:58 pm by Willabe |
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Best AB763 MV
Started by jim |
3 Replies
3917 Views |
January 23, 2013, 08:54:18 am by jim |
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Transformers
Started by Medman |
0 Replies
3647 Views |
January 23, 2013, 07:45:38 am by Medman |
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AB-763 w/ EL-84's?
Started by duke of earl |
6 Replies
4519 Views |
January 23, 2013, 07:25:10 am by tubenit |
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Oscillation with volume knob down?
Started by John |
2 Replies
4825 Views |
January 23, 2013, 05:55:31 am by John |
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EVH mod ??????????
Started by Colas LeGrippa |
37 Replies
15837 Views |
January 22, 2013, 11:57:45 pm by HotBluePlates |
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10Y, 807 and 2C53 tubes
Started by SLW |
10 Replies
7366 Views |
January 22, 2013, 10:20:04 am by kagliostro |
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Need help with carvin legacy 2 amp..
Started by greg7vwh |
11 Replies
6079 Views |
January 22, 2013, 09:17:36 am by greg7vwh |
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19 Replies
7896 Views |
January 22, 2013, 05:23:16 am by smackoj |
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Fixed Bias with PPIMV
Started by TIMBO |
3 Replies
6523 Views |
January 22, 2013, 12:52:31 am by TIMBO |
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Tech Question From Merlin's Book
Started by Gary_S |
20 Replies
8773 Views |
January 21, 2013, 08:01:59 pm by Gary_S |
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52 Replies
26756 Views |
January 21, 2013, 06:29:00 pm by catnine |
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4 Replies
4437 Views |
January 21, 2013, 01:22:50 pm by Colas LeGrippa |
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Lifeless Super Champ Repair
Started by Platefire |
46 Replies
22429 Views |
January 21, 2013, 09:45:31 am by Platefire |
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chirping amp when powering down
Started by Madison |
0 Replies
3181 Views |
January 20, 2013, 05:03:20 pm by Madison |
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Lost with bias setting
Started by TIMBO |
6 Replies
5180 Views |
January 20, 2013, 01:13:42 pm by TIMBO |
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crate-a-saurus.
Started by DummyLoad |
7 Replies
5741 Views |
January 20, 2013, 08:26:42 am by pullshocks |
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21 Replies
15415 Views |
January 19, 2013, 06:37:44 pm by tubenit |
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Mosfet CF vibrato?
Started by tubenit |
7 Replies
4514 Views |
January 19, 2013, 03:44:01 pm by tubenit |
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Experimenting with Wreck Topology
Started by zendragon63 |
13 Replies
7241 Views |
January 19, 2013, 02:17:20 pm by JB |
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cap in parallel with gain stage plate R?
Started by 12AX7 |
12 Replies
9393 Views |
January 19, 2013, 11:18:27 am by jim |
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Relay problems? Not sure
Started by dscottguitars |
10 Replies
5680 Views |
January 19, 2013, 10:11:16 am by guitardude57 |
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amp blowing fuses
Started by ernie_jr |
12 Replies
6221 Views |
January 19, 2013, 08:23:51 am by DummyLoad |
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Tube mixer circuit request
Started by silverfox |
0 Replies
3573 Views |
January 18, 2013, 10:16:10 pm by silverfox |
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1 Replies
4329 Views |
January 18, 2013, 04:43:53 pm by HotBluePlates |
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Stand alone tube tremolo
Started by fuzz |
3 Replies
10491 Views |
January 18, 2013, 07:48:58 am by fuzz |
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Mesa Dual Rectifier Solo FX Mod
Started by plexi50 |
4 Replies
5721 Views |
January 17, 2013, 09:24:16 pm by plexi50 |
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Maggie Tube Pedal
Started by plexi50 |
34 Replies
15341 Views |
January 17, 2013, 07:10:30 pm by Willabe |
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ADDING A GAIN STAGE
Started by Colas LeGrippa |
11 Replies
6192 Views |
January 17, 2013, 04:11:19 pm by Willabe |
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Do you think? (filter cap question)
Started by 12AX7 |
3 Replies
4477 Views |
January 17, 2013, 03:33:18 pm by HotBluePlates |
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vox ac15--30-untested
Started by Tom_Hull |
10 Replies
5915 Views |
January 17, 2013, 09:38:14 am by Tom_Hull |
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little Push pull amp
Started by fuzz |
17 Replies
11938 Views |
January 17, 2013, 06:34:47 am by fuzz |
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6 Replies
6285 Views |
January 17, 2013, 05:29:31 am by tubenit |
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PT question
Started by kagliostro |
7 Replies
5702 Views |
January 17, 2013, 02:24:17 am by kagliostro |
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Noob Bass Amp Build Need Input
Started by Ed_Chambley |
17 Replies
8766 Views |
January 16, 2013, 09:21:33 pm by teisco88 |
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3 Replies
4798 Views |
January 16, 2013, 05:57:16 pm by PRR |
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Yet another plexi 50 (head)
Started by archaos |
11 Replies
6186 Views |
January 16, 2013, 07:35:39 am by archaos |
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15 Replies
8186 Views |
January 15, 2013, 07:29:38 pm by Colas LeGrippa |
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