Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:45 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:45 am | ||
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| 0 Members and 46 Guests are viewing this board. | ||||
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AB763 Twin build problem
Started by ElPedro |
3 Replies
2677 Views |
November 24, 2015, 09:46:09 amby 6v6Pin1 |
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11 Replies
6847 Views |
November 23, 2015, 04:22:26 pm by TerryD |
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Sure Vocal Master for guitar amp
Started by Ritchie200 |
4 Replies
3574 Views |
November 23, 2015, 12:58:48 am by PRR |
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7 Replies
3857 Views |
November 22, 2015, 10:14:50 pm by jojokeo |
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5 Replies
3186 Views |
November 22, 2015, 05:20:02 pm by shooter |
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Question on Voltage Ratings on Caps
Started by pompeiisneaks |
8 Replies
4143 Views |
November 22, 2015, 11:34:33 am by jojokeo |
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Bugera V55 Head....Improvements Please
Started by TerryD |
5 Replies
8776 Views |
November 22, 2015, 05:51:34 am by Sowndman |
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Salvaged Transformer Testing
Started by ncusack |
11 Replies
4804 Views |
November 21, 2015, 01:53:08 pm by kagliostro |
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Bias with 1.3 ohm cathode resistors
Started by 6v6Pin1 |
24 Replies
8405 Views |
November 21, 2015, 08:46:19 am by alerich |
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Kustom defender 15h mod repair
Started by Sowndman |
14 Replies
9745 Views |
November 20, 2015, 01:42:16 pm by PRR |
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adjusting preamp gain
Started by Toxophilite |
12 Replies
11019 Views |
November 20, 2015, 12:39:01 pm by Toxophilite |
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13 Replies
5564 Views |
November 20, 2015, 07:28:45 am by Ed_Chambley |
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tremelo
Started by Toxophilite |
11 Replies
4642 Views |
November 19, 2015, 06:06:48 pm by Willabe |
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VVR for 100 watt fixed bias amps
Started by phsyconoodler |
29 Replies
14657 Views |
November 19, 2015, 05:37:17 pm by HotBluePlates |
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Marshall jtm-45/1987t schematic question
Started by Sowndman |
3 Replies
4079 Views |
November 18, 2015, 10:56:21 pm by PRR |
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2 Replies
2289 Views |
November 18, 2015, 02:30:10 pm by EL34 |
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What power amp is this??
Started by Toxophilite |
44 Replies
14482 Views |
November 18, 2015, 08:28:13 am by shooter |
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17 Replies
5502 Views |
November 17, 2015, 07:53:32 pm by goldstache |
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154 Replies
44561 Views |
November 17, 2015, 07:33:09 pm by Willabe |
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Cutting a faceplate on a CNC
Started by tubesornothing |
3 Replies
4411 Views |
November 17, 2015, 06:28:57 pm by vibrolax |
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BOGEN CHB 20A
Started by Colas LeGrippa |
9 Replies
4781 Views |
November 17, 2015, 08:45:12 am by Colas LeGrippa |
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7 Replies
3507 Views |
November 17, 2015, 04:22:25 am by Sowndman |
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Noisy reverb circuit
Started by Toxophilite |
11 Replies
4500 Views |
November 16, 2015, 10:35:17 pm by Fresh_Start |
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5F6 preamp voltages
Started by Bub |
5 Replies
3495 Views |
November 16, 2015, 07:38:33 pm by Bub |
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What to do with this PT?
Started by VMS |
15 Replies
5780 Views |
November 16, 2015, 06:33:05 pm by VMS |
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Center tap fuse on JTM45
Started by keithv |
5 Replies
4448 Views |
November 16, 2015, 12:06:11 pm by sluckey |
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11 Replies
5605 Views |
November 15, 2015, 07:03:06 pm by Steve_P |
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5f2a Power supply filtering question
Started by morton |
46 Replies
17252 Views |
November 15, 2015, 02:21:44 pm by HotBluePlates |
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Fender Super Reverb
Started by Big chief |
2 Replies
2638 Views |
November 15, 2015, 09:02:31 am by Big chief |
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Best preamp tubes for 1966 Vibrolux
Started by TerryD |
7 Replies
3779 Views |
November 14, 2015, 09:21:41 am by clyde |
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Fi Sonic 10W Combo
Started by TIMBO |
6 Replies
4235 Views |
November 14, 2015, 07:47:18 am by printer2 |
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20 Replies
8097 Views |
November 14, 2015, 07:02:49 am by EL34 |
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1st 5E3 build dead short problem
Started by Skip Hagey |
17 Replies
5416 Views |
November 13, 2015, 01:52:14 pm by sluckey |
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2 Replies
2597 Views |
November 13, 2015, 10:57:46 am by hesamadman |
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switching SS/Tube Rectification
Started by hesamadman |
11 Replies
5084 Views |
November 12, 2015, 11:20:49 pm by 2deaf |
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Bias Balance "AND" Bias Adjust
Started by cjl1106 |
31 Replies
19311 Views |
November 12, 2015, 10:04:23 pm by pompeiisneaks |
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Triple Header Amp Build???
Started by Paul1453 |
39 Replies
14767 Views |
November 12, 2015, 10:02:28 pm by printer2 |
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OT Tranny Polarity/PI Polarity
Started by fiftynine |
16 Replies
6322 Views |
November 11, 2015, 05:28:57 pm by Willabe |
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14 Replies
5918 Views |
November 10, 2015, 11:30:57 pm by PRR |
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6 Replies
3724 Views |
November 10, 2015, 04:27:37 pm by PRR |
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Reverb Question
Started by dunner84 |
2 Replies
2559 Views |
November 10, 2015, 06:57:58 am by dunner84 |
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Bias vary Tremelo problem
Started by Toxophilite « 1 2 » |
58 Replies
14959 Views |
November 09, 2015, 05:34:33 pm by shooter |
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What kinds of things blows fuses?
Started by TerryD |
9 Replies
4429 Views |
November 09, 2015, 05:26:33 pm by TerryD |
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My AC30 build
Started by pompeiisneaks « 1 2 » |
54 Replies
15041 Views |
November 09, 2015, 11:10:41 am by pompeiisneaks |
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New Princeton Build - Very low volume
Started by daveneary |
24 Replies
10107 Views |
November 09, 2015, 06:51:42 am by HotBluePlates |
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Phaser sound with heavy distortion
Started by Ambugaton |
3 Replies
3031 Views |
November 07, 2015, 08:29:22 pm by HotBluePlates |
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14 Replies
5595 Views |
November 07, 2015, 06:50:15 pm by Colas LeGrippa |
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fender 5d5 pro amp
Started by DummyLoad |
1 Replies
2716 Views |
November 07, 2015, 09:32:16 am by HotBluePlates |
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Transformer education please;)
Started by crashtm1 |
2 Replies
3103 Views |
November 07, 2015, 08:17:57 am by vibrolax |
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Fender Blues Deville Bias schematic
Started by MikePR |
4 Replies
5161 Views |
November 06, 2015, 11:51:37 pm by PRR |
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