Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 11:27:27 pm | ||
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15 Replies
6343 Views |
by danger-russ |
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Bias Reading/Adjustment Questions
Started by Platefire |
35 Replies
12803 Views |
by PRR |
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Jensen F12NS field coil speaker in an instrument amp?
Started by chuggy |
1 Replies
3741 Views |
by bigsbybender |
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Traynor Tonestacks
Started by plexi50 |
5 Replies
3403 Views |
by jjasilli |
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18 watt PT filament windings
Started by panhead |
15 Replies
6944 Views |
by Willabe |
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First Build Ideas
Started by jjackson7 |
20 Replies
7794 Views |
by Willabe |
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PLEXI + HOTSWITCH
Started by rzenc |
9 Replies
3726 Views |
by rzenc |
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MOVED: So how's your Friday?
Started by EL34 |
0 Replies
1963 Views |
by EL34 |
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Estimating G2 current
Started by rzenc |
4 Replies
3190 Views |
by rzenc |
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Need some 5f6a build advice, please
Started by schoolie |
19 Replies
7652 Views |
by steven |
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6 Replies
6171 Views |
by thelonious |
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There is an 1/2 12au7 tube ?
Started by kagliostro |
2 Replies
3044 Views |
by kagliostro |
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Fender's new pawn shop amps...
Started by TubeGeek |
12 Replies
5325 Views |
by phsyconoodler |
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Power tube substitution.
Started by zapped |
1 Replies
2309 Views |
by bigsbybender |
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What Causes Radio Interference?
Started by blown240 |
10 Replies
5369 Views |
by Willabe |
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OT question
Started by 12AX7 |
6 Replies
4695 Views |
by Willabe |
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biasing bogen receiver
Started by embotone |
2 Replies
3148 Views |
by embotone |
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18 Watt Questions
Started by jeff |
23 Replies
11807 Views |
by Willabe |
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Lowering B+
Started by dude |
7 Replies
7305 Views |
by stratele52 |
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Tracing a buzz?
Started by 12AX7 |
14 Replies
8641 Views |
by stratele52 |
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12 Replies
6916 Views |
by PRR |
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some pot questions
Started by 12AX7 |
31 Replies
13942 Views |
by stratele52 |
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Odd noises in my amp...
Started by Mostro |
10 Replies
5974 Views |
by Mostro |
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first guitar amp repair .dart alamo .
Started by Tom_Hull |
16 Replies
8264 Views |
by Tom_Hull |
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Ground Old Amp
Started by Otis |
9 Replies
4941 Views |
by Willabe |
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Need help wiring a PT without any CT taps
Started by dude |
48 Replies
17088 Views |
by dude |
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Bridge rectifier straight talk
Started by firemedic |
8 Replies
4838 Views |
by firemedic |
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6 Replies
4178 Views |
by Colas LeGrippa |
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29 Replies
9640 Views |
by Jack_Hester |
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18 Replies
10632 Views |
by EL34 |
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why a 22k presence pot?
Started by 12AX7 |
4 Replies
7229 Views |
by jojokeo |
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When the chase becomes more important....
Started by 12AX7 |
21 Replies
10718 Views |
by 12AX7 |
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Champ Amp build! Need oddball cap
Started by blueznet |
10 Replies
5246 Views |
by thermion |
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ampeg gu-12 trem issue
Started by thermion |
6 Replies
4779 Views |
by thermion |
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Trem-O-Drive Transformer Question
Started by blown240 |
4 Replies
4041 Views |
by PRR |
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14 Replies
10473 Views |
by HotBluePlates |
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2 channel amp - Switching help!
Started by liagasg |
31 Replies
13799 Views |
by liagasg |
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silvertone 1484 tremelo issue
Started by Steve S. |
3 Replies
3014 Views |
by Steve S. |
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7 Replies
4455 Views |
by PRR |
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1975 Twin Reverb in for Repairs
Started by Platefire |
39 Replies
14857 Views |
by Willabe |
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Knobs for a Supro 1624
Started by LooseChange |
10 Replies
5278 Views |
by LooseChange |
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Single channel AB763 question?
Started by tdvt |
7 Replies
4448 Views |
by sluckey |
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help with old radio????
Started by zapped |
11 Replies
4946 Views |
by PRR |
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1939 guitar amp
Started by PRR |
29 Replies
10427 Views |
by tubeswell |
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??? Amp Model
Started by plexi50 |
15 Replies
7321 Views |
by bigsbybender |
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Built A Sch 40 GA-5 Today
Started by shortfuse |
23 Replies
7364 Views |
by shortfuse |
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rectifier heater question
Started by bnew63 |
2 Replies
2472 Views |
by bnew63 |
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5 Replies
3832 Views |
by Willabe |
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7591 conversion to 6V6
Started by oldhippy |
25 Replies
21820 Views |
by oldhippy |
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Alamo Electra 2570 Need a little help
Started by dude |
1 Replies
5613 Views |
by dude |
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