Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 09:42:58 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:42:58 pm | ||
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| 0 Members and 28 Guests are viewing this board. | ||||
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5E3 blowing a speaker?
Started by Madison |
11 Replies
3768 Views |
January 25, 2013, 11:19:24 amby archaos |
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4 Replies
2553 Views |
January 25, 2013, 03:45:47 am by jazbo8 |
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16 Replies
5234 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
2226 Views |
January 24, 2013, 02:30:43 pm by DummyLoad |
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0 Replies
2835 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
8737 Views |
January 24, 2013, 08:21:20 am by frank57 |
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Top Gun Toobz.
Started by DummyLoad |
7 Replies
2940 Views |
January 24, 2013, 07:16:35 am by kagliostro |
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6 Replies
2750 Views |
January 23, 2013, 10:39:58 pm by 12AX7 |
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Is this Schematic correction right?
Started by frank57 |
5 Replies
2807 Views |
January 23, 2013, 04:56:58 pm by Willabe |
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Best AB763 MV
Started by jim |
3 Replies
1829 Views |
January 23, 2013, 08:54:18 am by jim |
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Transformers
Started by Medman |
0 Replies
1732 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
2662 Views |
January 23, 2013, 07:25:10 am by tubenit |
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Oscillation with volume knob down?
Started by John |
2 Replies
2990 Views |
January 23, 2013, 05:55:31 am by John |
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EVH mod ??????????
Started by Colas LeGrippa |
37 Replies
11438 Views |
January 22, 2013, 11:57:45 pm by HotBluePlates |
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10Y, 807 and 2C53 tubes
Started by SLW |
10 Replies
4662 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
3831 Views |
January 22, 2013, 09:17:36 am by greg7vwh |
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19 Replies
4743 Views |
January 22, 2013, 05:23:16 am by smackoj |
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Fixed Bias with PPIMV
Started by TIMBO |
3 Replies
4402 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
5167 Views |
January 21, 2013, 08:01:59 pm by Gary_S |
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52 Replies
15652 Views |
January 21, 2013, 06:29:00 pm by catnine |
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4 Replies
2304 Views |
January 21, 2013, 01:22:50 pm by Colas LeGrippa |
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Lifeless Super Champ Repair
Started by Platefire |
46 Replies
17371 Views |
January 21, 2013, 09:45:31 am by Platefire |
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chirping amp when powering down
Started by Madison |
0 Replies
1650 Views |
January 20, 2013, 05:03:20 pm by Madison |
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Lost with bias setting
Started by TIMBO |
6 Replies
2813 Views |
January 20, 2013, 01:13:42 pm by TIMBO |
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crate-a-saurus.
Started by DummyLoad |
7 Replies
3636 Views |
January 20, 2013, 08:26:42 am by pullshocks |
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21 Replies
11579 Views |
January 19, 2013, 06:37:44 pm by tubenit |
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Mosfet CF vibrato?
Started by tubenit |
7 Replies
2602 Views |
January 19, 2013, 03:44:01 pm by tubenit |
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Experimenting with Wreck Topology
Started by zendragon63 |
13 Replies
4443 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
6473 Views |
January 19, 2013, 11:18:27 am by jim |
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Relay problems? Not sure
Started by dscottguitars |
10 Replies
3153 Views |
January 19, 2013, 10:11:16 am by guitardude57 |
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amp blowing fuses
Started by ernie_jr |
12 Replies
3820 Views |
January 19, 2013, 08:23:51 am by DummyLoad |
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Tube mixer circuit request
Started by silverfox |
0 Replies
1771 Views |
January 18, 2013, 10:16:10 pm by silverfox |
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1 Replies
2155 Views |
January 18, 2013, 04:43:53 pm by HotBluePlates |
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Stand alone tube tremolo
Started by fuzz |
3 Replies
7876 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
3511 Views |
January 17, 2013, 09:24:16 pm by plexi50 |
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Maggie Tube Pedal
Started by plexi50 |
34 Replies
9950 Views |
January 17, 2013, 07:10:30 pm by Willabe |
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ADDING A GAIN STAGE
Started by Colas LeGrippa |
11 Replies
3603 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
2266 Views |
January 17, 2013, 03:33:18 pm by HotBluePlates |
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vox ac15--30-untested
Started by Tom_Hull |
10 Replies
3948 Views |
January 17, 2013, 09:38:14 am by Tom_Hull |
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little Push pull amp
Started by fuzz |
17 Replies
9279 Views |
January 17, 2013, 06:34:47 am by fuzz |
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6 Replies
4494 Views |
January 17, 2013, 05:29:31 am by tubenit |
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PT question
Started by kagliostro |
7 Replies
3129 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
5310 Views |
January 16, 2013, 09:21:33 pm by teisco88 |
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3 Replies
2930 Views |
January 16, 2013, 05:57:16 pm by PRR |
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Yet another plexi 50 (head)
Started by archaos |
11 Replies
3938 Views |
January 16, 2013, 07:35:39 am by archaos |
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15 Replies
5283 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
2730 Views |
January 15, 2013, 01:02:59 pm by Willabe |
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new amp/bought not built
Started by phsyconoodler |
8 Replies
3046 Views |
January 15, 2013, 09:57:28 am by phsyconoodler |
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Leaking film caps
Started by dynaman1 |
6 Replies
4947 Views |
January 14, 2013, 08:12:10 pm by HotBluePlates |
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odd nfb squeel
Started by worth |
2 Replies
2294 Views |
January 14, 2013, 07:51:50 pm by HotBluePlates |
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