Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 10:29:07 pm | ||
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7 Replies
4157 Views |
by Balticnoiseforge |
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29 Replies
9416 Views |
by gfarina55 |
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MOVED: 15" Speaker Recommendations
Started by Willabe |
0 Replies
2363 Views |
by Willabe |
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5V4 with 6L6 in push pull
Started by jordan86 |
9 Replies
5042 Views |
by shooter |
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Back-To-Back Power Transformers
Started by TIMBO |
8 Replies
3839 Views |
by Willabe |
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Tube Town 5a3?
Started by Ledvedder |
19 Replies
5777 Views |
by Bieworm |
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Oversized choke for vibroverb
Started by valvetones |
1 Replies
3048 Views |
by pdf64 |
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Technical Question about SE
Started by kagliostro |
10 Replies
4820 Views |
by kagliostro |
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Burnt screen grid resistor, my mistake.
Started by Mr.Death |
4 Replies
3328 Views |
by sluckey |
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Hoffmann 5F6A bias range
Started by Arry |
6 Replies
4229 Views |
by Arry |
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3 Replies
3563 Views |
by jordan86 |
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3 Replies
3252 Views |
by 66Strat |
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Acrosound Ultra Linear II
Started by Peter212 |
19 Replies
8306 Views |
by Peter212 |
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9 Replies
4434 Views |
by Jennings |
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First amp build SW50R clone
Started by lamp |
7 Replies
4303 Views |
by lamp |
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11 Replies
5348 Views |
by PRR |
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10 Replies
5232 Views |
by DummyLoad |
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10 Replies
4584 Views |
by spunko |
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Preamp filtering stage
Started by joesatch |
4 Replies
3183 Views |
by shooter |
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‘81 JCM 800 build help
Started by etneccas |
14 Replies
5453 Views |
by JPK |
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A250k solid shaft push/pull pot
Started by Esquirefreak |
3 Replies
2952 Views |
by Esquirefreak |
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16 Replies
7247 Views |
by jordane |
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25 Replies
8200 Views |
by Eric-NC |
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EL84 Arcing Failure
Started by scstill |
10 Replies
6422 Views |
by scstill |
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Refurbishing a Peavey Artist 240
Started by olliu |
6 Replies
5572 Views |
by shooter |
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Input resistance measurements
Started by Mr.Death |
12 Replies
5444 Views |
by pdf64 |
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22 Replies
7983 Views |
by Willabe |
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Reverb drivers transformers
Started by Bieworm |
1 Replies
3199 Views |
by thetragichero |
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28 Replies
7350 Views |
by Williamblake |
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Which preamps?
Started by maltikeks |
12 Replies
5342 Views |
by Williamblake |
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Where Does the Signal Go?
Started by clyde |
6 Replies
3491 Views |
by pdf64 |
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12AT7 Single ended
Started by walkman |
7 Replies
4514 Views |
by PRR |
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Bias Voltage Issue
Started by imgumby001 |
10 Replies
4781 Views |
by imgumby001 |
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5w amp scheme with reverb?
Started by rafaelctt |
45 Replies
13118 Views |
by rafaelctt |
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15 Replies
6678 Views |
by sluckey |
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5E3 with Pre and PI series heater wiring
Started by scstill |
1 Replies
3318 Views |
by pdf64 |
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Tube Guitar Preamp with a Chip Amp
Started by dbishopbliss |
7 Replies
5721 Views |
by dbishopbliss |
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Master volume on Musicmaster amp
Started by isaac_teller |
9 Replies
5419 Views |
by PRR |
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My Vox Ac15 playing
Started by rafaelctt |
32 Replies
8592 Views |
by rafaelctt |
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19 Replies
8896 Views |
by jacobarber |
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6G16 Build
Started by p2pAmps |
3 Replies
3085 Views |
by bmccowan |
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2 Replies
3061 Views |
by kagliostro |
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Gibson GA-8
Started by Leevi |
9 Replies
7076 Views |
by Leevi |
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How to make my amp safe (shock)
Started by 12AX7 |
16 Replies
6782 Views |
by PRR |
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Harmonic tremolo noise issue
Started by Esquirefreak |
7 Replies
4202 Views |
by Esquirefreak |
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Cliff style jack on new amp build
Started by JPK |
10 Replies
6327 Views |
by JPK |
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12 Replies
8269 Views |
by Tone Junkie |
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120hz hum only in phase inverter
Started by thetragichero |
37 Replies
10117 Views |
by thetragichero |
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Soldano Astroverb Circuit Questions
Started by W5FH |
11 Replies
5540 Views |
by sluckey |
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Marshall DSL 401 biasing question
Started by JZRepair |
12 Replies
5994 Views |
by JZRepair |
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