Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 08:21:55 pm | ||
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Tube Pedal Grounding
Started by Pick-n-Strum |
14 Replies
4711 Views |
![]() by sluckey |
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16 Replies
6170 Views |
![]() by rundgrenrules |
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My Mentor Lars Jacobsen Died
Started by JustMike |
1 Replies
1719 Views |
![]() by Joel in Texas |
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Baffling rf/ground loop issue
Started by luthierwnc |
6 Replies
2355 Views |
![]() by luthierwnc |
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AC30/6 Parts Question
Started by mjcyates |
3 Replies
2032 Views |
![]() by mjcyates |
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5 Replies
3144 Views |
![]() by sluckey |
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13 Replies
3395 Views |
![]() by d95err |
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JTM1 build anybody?
Started by Bieworm |
3 Replies
3577 Views |
![]() by tubenit |
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Help with JCM800 BASS STD 1992
Started by Travis8 |
16 Replies
3664 Views |
![]() by Travis8 |
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power transformers for 6SN7-KT88 PP
Started by pc1093 |
4 Replies
2556 Views |
![]() by DummyLoad |
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Reverb Circuit Help
Started by Mason |
5 Replies
2268 Views |
![]() by shooter |
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JTM1 build
Started by Bieworm |
4 Replies
3067 Views |
![]() by Bieworm |
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2 Replies
2112 Views |
![]() by Latole |
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20 Replies
4364 Views |
![]() by Irkin_Bollikans |
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31 Replies
27798 Views |
![]() by tonemnstr |
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23 Replies
6076 Views |
![]() by pdf64 |
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Transformer set for 5881s/Bassman
Started by acheld |
3 Replies
2500 Views |
![]() by acheld |
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weird amp problem
Started by ALBATROS1234 |
17 Replies
4838 Views |
![]() by sluckey |
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Traynor YBA-1 open power rail resistor
Started by Diverted |
14 Replies
4343 Views |
![]() by 2deaf |
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7 Replies
3308 Views |
![]() by Mike_J |
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Plate voltage's effect on sound?
Started by JustMike |
0 Replies
1917 Views |
![]() by JustMike |
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70s Vibrosonic filtercap explosion.
Started by Jatchley |
6 Replies
2308 Views |
![]() by DummyLoad |
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Hoffman 6V6 bias missmatch
Started by Beezerboy |
13 Replies
3835 Views |
![]() by Beezerboy |
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Yet another 6424 build started
Started by AnalogDok |
17 Replies
4077 Views |
![]() by AnalogDok |
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Blackface Princeton reverb smoke
Started by SelmaSedlak |
4 Replies
2480 Views |
![]() by SelmaSedlak |
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Is Tremolo Plate Voltage Critical?
Started by dwinstonwood |
20 Replies
8065 Views |
![]() by dwinstonwood |
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about PPIMV
Started by Leevi |
0 Replies
2058 Views |
![]() by Leevi |
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8 Replies
3859 Views |
![]() by kagliostro |
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Single channel DR with no reverb
Started by daveneary |
4 Replies
2395 Views |
![]() by EL34 |
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16 Replies
4361 Views |
![]() by Mike_J |
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6 Replies
2657 Views |
![]() by sluckey |
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After 5 years, help me finish my AC15
Started by dbishopbliss « 1 2 » |
61 Replies
14765 Views |
![]() by Willabe |
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24 Replies
6022 Views |
![]() by acheld |
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Unreasonably confused about ohm's law.
Started by Mike_J |
8 Replies
3076 Views |
![]() by PharmRock |
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3 Replies
2705 Views |
![]() by ac427v |
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loud noise when i probe the EF86 plate
Started by jewishjay |
15 Replies
5580 Views |
![]() by jewishjay |
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Smoking Pot
Started by jordan86 |
35 Replies
7807 Views |
![]() by sluckey |
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Where to inject reverb circuit?
Started by Diverted |
7 Replies
3342 Views |
![]() by tubenit |
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11 Replies
4157 Views |
![]() by liddokun |
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Two small voltage caps in series
Started by dude |
7 Replies
3311 Views |
![]() by Willabe |
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AC-15 Lite “Bass Cut” Control?
Started by Jacob |
12 Replies
3544 Views |
![]() by dwinstonwood |
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66 Fender Showman output transformer
Started by sd8450 |
10 Replies
3612 Views |
![]() by sd8450 |
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DIY build, power section issues.
Started by eurekaiv |
9 Replies
2770 Views |
![]() by eurekaiv |
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7 Replies
3638 Views |
![]() by markmalin |
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HoSo56 6au6 schematic
Started by Irkin_Bollikans |
5 Replies
3349 Views |
![]() by tubenit |
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4 Replies
2789 Views |
![]() by Cree |
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Bass to Guitar Amp Conversion???
Started by Jacob |
21 Replies
5738 Views |
![]() by Jacob |
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ECC82 cascode push pull
Started by Gregwor |
3 Replies
2542 Views |
![]() by Gregwor |
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21 Replies
5522 Views |
![]() by AHeck |
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Supro 1690T vs S-6424 differences
Started by dbishopbliss |
14 Replies
5255 Views |
![]() by dbishopbliss |
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