Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 05:36:17 am | ||
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11 Replies
4082 Views |
![]() by Steve_P |
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5f2a Power supply filtering question
Started by morton |
46 Replies
14401 Views |
![]() by HotBluePlates |
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Fender Super Reverb
Started by Big chief |
2 Replies
1918 Views |
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Best preamp tubes for 1966 Vibrolux
Started by TerryD |
7 Replies
2830 Views |
![]() by clyde |
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Fi Sonic 10W Combo
Started by TIMBO |
6 Replies
3028 Views |
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20 Replies
6581 Views |
![]() by EL34 |
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1st 5E3 build dead short problem
Started by Skip Hagey |
17 Replies
4194 Views |
![]() by sluckey |
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2 Replies
1880 Views |
![]() by hesamadman |
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switching SS/Tube Rectification
Started by hesamadman |
11 Replies
3757 Views |
![]() by 2deaf |
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Bias Balance "AND" Bias Adjust
Started by cjl1106 |
31 Replies
16673 Views |
![]() by pompeiisneaks |
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Triple Header Amp Build???
Started by Paul1453 |
39 Replies
11753 Views |
![]() by printer2 |
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OT Tranny Polarity/PI Polarity
Started by fiftynine |
16 Replies
4915 Views |
![]() by Willabe |
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14 Replies
4428 Views |
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6 Replies
2807 Views |
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Reverb Question
Started by dunner84 |
2 Replies
1745 Views |
![]() by dunner84 |
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Bias vary Tremelo problem
Started by Toxophilite « 1 2 » |
58 Replies
11707 Views |
![]() by shooter |
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What kinds of things blows fuses?
Started by TerryD |
9 Replies
3438 Views |
![]() by TerryD |
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My AC30 build
Started by pompeiisneaks « 1 2 » |
54 Replies
10989 Views |
![]() by pompeiisneaks |
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New Princeton Build - Very low volume
Started by daveneary |
24 Replies
8040 Views |
![]() by HotBluePlates |
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Phaser sound with heavy distortion
Started by Ambugaton |
3 Replies
2162 Views |
![]() by HotBluePlates |
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14 Replies
4369 Views |
![]() by Colas LeGrippa |
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fender 5d5 pro amp
Started by DummyLoad |
1 Replies
1941 Views |
![]() by HotBluePlates |
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Transformer education please;)
Started by crashtm1 |
2 Replies
2155 Views |
![]() by vibrolax |
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Fender Blues Deville Bias schematic
Started by MikePR |
4 Replies
4060 Views |
![]() by PRR |
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Rectifier saftey
Started by p2pAmps |
25 Replies
5631 Views |
![]() by uki |
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38 Replies
14831 Views |
![]() by 2deaf |
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JTM45 makes awful noise when turned up
Started by keithv |
11 Replies
4068 Views |
![]() by Willabe |
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11 Replies
3419 Views |
![]() by HotBluePlates |
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AX84 High Octane build
Started by Paul1453 |
11 Replies
5311 Views |
![]() by John |
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9 Replies
2874 Views |
![]() by tubesornothing |
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AB763 Twin build
Started by willhugh |
1 Replies
1794 Views |
![]() by sluckey |
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Tweed Overdrive Special - EF86
Started by adamG |
10 Replies
4994 Views |
![]() by tubenit |
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EL84 sounds louder than EL34
Started by Leevi |
14 Replies
6571 Views |
![]() by Leevi |
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Tweed Overdrive Special
Started by DCbluez |
5 Replies
2601 Views |
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Stout TMB possible NFB issues
Started by Ambugaton |
17 Replies
4875 Views |
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26 Replies
9181 Views |
![]() by 2deaf |
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24 Replies
6743 Views |
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Hoffman AB763 grounding
Started by 6v6Pin1 |
6 Replies
4078 Views |
![]() by Ed_Chambley |
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Musicman HD-130 Reverb / Bias Problem
Started by plexi50 |
11 Replies
5174 Views |
![]() by plexi50 |
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Steel Amp Build and Design
Started by p2pAmps |
35 Replies
8237 Views |
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14 Replies
6134 Views |
![]() by TIMBO |
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236 Replies
42504 Views |
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Square speaker that goes round
Started by Toxophilite |
6 Replies
2283 Views |
![]() by Toxophilite |
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1 channel Vibrolux no Trem
Started by dunner84 |
5 Replies
2347 Views |
![]() by uki |
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Problem with 6sl7 as V1
Started by goldstache |
10 Replies
3702 Views |
![]() by goldstache |
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princeton reverb build
Started by Garycbet |
16 Replies
3740 Views |
![]() by drew |
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Problems with Hoffman stereo preamp
Started by Rp3703 |
14 Replies
3836 Views |
![]() by tubenit |
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96 Replies
15600 Views |
![]() by Ed_Chambley |
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70 Replies
12282 Views |
![]() by Ed_Chambley |
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75 Replies
26530 Views |
![]() by jbrew73 |
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