Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 04:32:44 pm
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:44 pm | ||
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PUSH-PULL, no cathode follower ?
Started by Colas LeGrippa |
4 Replies
3456 Views |
January 24, 2013, 02:30:43 pmby DummyLoad |
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0 Replies
3786 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
10588 Views |
January 24, 2013, 08:21:20 am by frank57 |
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Top Gun Toobz.
Started by DummyLoad |
7 Replies
4722 Views |
January 24, 2013, 07:16:35 am by kagliostro |
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6 Replies
3919 Views |
January 23, 2013, 10:39:58 pm by 12AX7 |
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Is this Schematic correction right?
Started by frank57 |
5 Replies
4713 Views |
January 23, 2013, 04:56:58 pm by Willabe |
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Best AB763 MV
Started by jim |
3 Replies
3100 Views |
January 23, 2013, 08:54:18 am by jim |
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Transformers
Started by Medman |
0 Replies
2859 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
3736 Views |
January 23, 2013, 07:25:10 am by tubenit |
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Oscillation with volume knob down?
Started by John |
2 Replies
4040 Views |
January 23, 2013, 05:55:31 am by John |
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EVH mod ??????????
Started by Colas LeGrippa |
37 Replies
14126 Views |
January 22, 2013, 11:57:45 pm by HotBluePlates |
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10Y, 807 and 2C53 tubes
Started by SLW |
10 Replies
6403 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
5272 Views |
January 22, 2013, 09:17:36 am by greg7vwh |
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19 Replies
6697 Views |
January 22, 2013, 05:23:16 am by smackoj |
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Fixed Bias with PPIMV
Started by TIMBO |
3 Replies
5604 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
7435 Views |
January 21, 2013, 08:01:59 pm by Gary_S |
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52 Replies
22101 Views |
January 21, 2013, 06:29:00 pm by catnine |
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4 Replies
3545 Views |
January 21, 2013, 01:22:50 pm by Colas LeGrippa |
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Lifeless Super Champ Repair
Started by Platefire |
46 Replies
20542 Views |
January 21, 2013, 09:45:31 am by Platefire |
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chirping amp when powering down
Started by Madison |
0 Replies
2458 Views |
January 20, 2013, 05:03:20 pm by Madison |
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Lost with bias setting
Started by TIMBO |
6 Replies
4264 Views |
January 20, 2013, 01:13:42 pm by TIMBO |
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crate-a-saurus.
Started by DummyLoad |
7 Replies
4925 Views |
January 20, 2013, 08:26:42 am by pullshocks |
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21 Replies
13798 Views |
January 19, 2013, 06:37:44 pm by tubenit |
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Mosfet CF vibrato?
Started by tubenit |
7 Replies
3646 Views |
January 19, 2013, 03:44:01 pm by tubenit |
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Experimenting with Wreck Topology
Started by zendragon63 |
13 Replies
6249 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
8025 Views |
January 19, 2013, 11:18:27 am by jim |
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Relay problems? Not sure
Started by dscottguitars |
10 Replies
4680 Views |
January 19, 2013, 10:11:16 am by guitardude57 |
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amp blowing fuses
Started by ernie_jr |
12 Replies
5237 Views |
January 19, 2013, 08:23:51 am by DummyLoad |
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Tube mixer circuit request
Started by silverfox |
0 Replies
2851 Views |
January 18, 2013, 10:16:10 pm by silverfox |
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1 Replies
3489 Views |
January 18, 2013, 04:43:53 pm by HotBluePlates |
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Stand alone tube tremolo
Started by fuzz |
3 Replies
9534 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
4843 Views |
January 17, 2013, 09:24:16 pm by plexi50 |
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Maggie Tube Pedal
Started by plexi50 |
34 Replies
13090 Views |
January 17, 2013, 07:10:30 pm by Willabe |
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ADDING A GAIN STAGE
Started by Colas LeGrippa |
11 Replies
5046 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
3569 Views |
January 17, 2013, 03:33:18 pm by HotBluePlates |
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vox ac15--30-untested
Started by Tom_Hull |
10 Replies
5136 Views |
January 17, 2013, 09:38:14 am by Tom_Hull |
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little Push pull amp
Started by fuzz |
17 Replies
10938 Views |
January 17, 2013, 06:34:47 am by fuzz |
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6 Replies
5497 Views |
January 17, 2013, 05:29:31 am by tubenit |
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PT question
Started by kagliostro |
7 Replies
4659 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
7443 Views |
January 16, 2013, 09:21:33 pm by teisco88 |
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3 Replies
4115 Views |
January 16, 2013, 05:57:16 pm by PRR |
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Yet another plexi 50 (head)
Started by archaos |
11 Replies
5333 Views |
January 16, 2013, 07:35:39 am by archaos |
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15 Replies
7128 Views |
January 15, 2013, 07:29:38 pm by Colas LeGrippa |
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New T-bolty home brew
Started by tubeswell |
5 Replies
4082 Views |
January 15, 2013, 01:02:59 pm by Willabe |
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new amp/bought not built
Started by phsyconoodler |
8 Replies
4569 Views |
January 15, 2013, 09:57:28 am by phsyconoodler |
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Leaking film caps
Started by dynaman1 |
6 Replies
6609 Views |
January 14, 2013, 08:12:10 pm by HotBluePlates |
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odd nfb squeel
Started by worth |
2 Replies
3346 Views |
January 14, 2013, 07:51:50 pm by HotBluePlates |
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15 Replies
9593 Views |
January 14, 2013, 07:42:24 pm by HotBluePlates |
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Hoffman layout with eyelets
Started by sdp1234 |
3 Replies
3170 Views |
January 14, 2013, 12:58:47 pm by kagliostro |
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Check This Out! What?
Started by plexi50 |
10 Replies
4592 Views |
January 14, 2013, 10:50:13 am by 6G6 |
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