Welcome To the Hoffman Amplifiers ForumJanuary 13, 2026, 06:06:03 am | ||
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Please do not use VPN's
Started by EL34 |
47 Replies
3231 Views |
by svejkist |
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ALL-TIME great information
Started by PRR |
0 Replies
36416 Views |
by PRR |
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1 Replies
55278 Views |
by EL34 |
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What's this board for?
Started by EL34 |
0 Replies
31765 Views |
by EL34 |
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NEW Bass Pre-amp Build HPF/Compressor
Started by Wardy |
29 Replies
10265 Views |
by Wardy |
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Ab763 V3 issue
Started by hmontgomery |
5 Replies
71 Views |
by pdf64 |
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16 Replies
1053 Views |
by smackoj |
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Where to ground the first filter cap?
Started by wsscott |
21 Replies
1311 Views |
by Willabe |
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Two channel class A amplifier
Started by Banjan73 |
7 Replies
125 Views |
by Banjan73 |
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AC15 clone cathode resistor question
Started by Big_Mike |
9 Replies
522 Views |
by Merlin |
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4 Replies
85 Views |
by waldner |
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5 Replies
259 Views |
by Lectroid |
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Changing tone stack sanity check
Started by uki |
4 Replies
213 Views |
by SEL49 |
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2 Replies
78 Views |
by Grantorino |
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5 Replies
666 Views |
by glass54 |
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Dark half-power Hoffman AC30
Started by MORE_Guitar_Solos |
23 Replies
2601 Views |
by Big_Mike |
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76 Replies
3476 Views |
by shooter |
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Blues Jr. Rectifier Diode Question.
Started by Thisismyname |
5 Replies
582 Views |
by acheld |
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2 Replies
186 Views |
by whoops |
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Benson Monarch Reverb tone switch
Started by Diverted |
2 Replies
197 Views |
by Diverted |
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8 Replies
778 Views |
by astronomicum |
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Dumb biasing question
Started by Lectroid |
8 Replies
776 Views |
by shooter |
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5 Replies
387 Views |
by Grantorino |
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1 Replies
138 Views |
by pdf64 |
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7 Replies
782 Views |
by roarshock |
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8 Replies
782 Views |
by wsscott |
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7 Replies
619 Views |
by jjasilli |
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4 Replies
267 Views |
by kagliostro |
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AC15 clone using Hoffman AC30 layout
Started by Big_Mike |
4 Replies
896 Views |
by Big_Mike |
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15 Replies
793 Views |
by AlNewman |
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18watt stout in AO35 chassis
Started by dmp |
20 Replies
3773 Views |
by Lectroid |
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Filmosound 385 tone stack mod question
Started by markmalin |
14 Replies
964 Views |
by markmalin |
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Vox AC30/6 Tremolo Woes c.1960
Started by misterc57 |
4 Replies
553 Views |
by misterc57 |
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30 Replies
15289 Views |
by Redwood |
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Fitting higher value PSU filter caps
Started by Yosser |
6 Replies
403 Views |
by HotBluePlates |
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Peavey Mace c.1977 120 Cycle Hum
Started by misterc57 |
0 Replies
180 Views |
by misterc57 |
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What to do with a spare 100k pot?
Started by Jennings |
5 Replies
582 Views |
by Jennings |
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THE HOWLER
Started by TIMBO |
1 Replies
426 Views |
by TIMBO |
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Valco Early Model 1215 Voltages
Started by W5FH |
2 Replies
321 Views |
by W5FH |
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9 Replies
510 Views |
by astronomicum |
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117 Replies
8094 Views |
by waldner |
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5 Replies
722 Views |
by HotBluePlates |
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AC15 combo chassis
Started by Big_Mike |
1 Replies
375 Views |
by bmccowan |
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5e9 Layout with 12DW7 Reverb
Started by J3ona1 |
18 Replies
820 Views |
by tubeswell |
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Tube Bias with a hum after effect
Started by pbman1953 |
1 Replies
299 Views |
by tubeswell |
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PT safety margin?
Started by Lectroid |
4 Replies
464 Views |
by Lectroid |
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Pro Junior Hoffman kit
Started by RTL |
8 Replies
738 Views |
by RTL |
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8 Replies
665 Views |
by pbman1953 |
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Not your usual grounding question . . .
Started by acheld |
3 Replies
449 Views |
by acheld |
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Important grounding question
Started by chaf87 |
5 Replies
649 Views |
by pdf64 |
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