Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 05:41:24 am | ||
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danhei and 61 Guests are viewing this board. | ||||
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Feedback resistor
Started by Apprentice |
5 Replies
2428 Views |
![]() by pompeiisneaks |
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Tone
Started by Apprentice |
3 Replies
2071 Views |
![]() by Apprentice |
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24 Replies
7871 Views |
![]() by sluckey |
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Lowering B+
Started by TIMBO |
2 Replies
2102 Views |
![]() by TIMBO |
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5v rectifier on a 6v tap
Started by TIMBO |
13 Replies
6422 Views |
![]() by TIMBO |
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I am back after some hard times.
Started by NO_H2O |
7 Replies
3065 Views |
![]() by ratgon |
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Preamp problem
Started by chrisw |
8 Replies
2811 Views |
![]() by chrisw |
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7 Replies
4382 Views |
![]() by DummyLoad |
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Blues Jr control panel overlay
Started by jeffs |
4 Replies
6081 Views |
![]() by jeffs |
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16 Replies
4173 Views |
![]() by PRR |
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Photo gallery
Started by phsyconoodler |
2 Replies
2151 Views |
![]() by Platefire |
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23 Replies
8018 Views |
![]() by super&plexi |
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32 Replies
9318 Views |
![]() by Johntb |
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6 Replies
3979 Views |
![]() by jonyoungyi |
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Getting More treble out of a 5f2a
Started by makingnoise88 |
2 Replies
2470 Views |
![]() by pompeiisneaks |
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26 Replies
5978 Views |
![]() by madnis |
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26 Replies
9782 Views |
![]() by shooter |
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22 Replies
5876 Views |
![]() by kagliostro |
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Hoffman Fender Blues Junior Conversion
Started by dand |
9 Replies
3465 Views |
![]() by EL34 |
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OT question
Started by Johntb |
4 Replies
2242 Views |
![]() by Johntb |
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Voltage filament Q
Started by dude |
9 Replies
2905 Views |
![]() by shooter |
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larger output trans.
Started by okguitarman |
2 Replies
2002 Views |
![]() by okguitarman |
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10 Replies
3283 Views |
![]() by jjasilli |
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Reverb tank matching
Started by hesamadman |
4 Replies
3201 Views |
![]() by hesamadman |
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Filmosound conversion....
Started by ratgon |
0 Replies
4993 Views |
![]() by ratgon |
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breadboard fun.
Started by DummyLoad |
28 Replies
8140 Views |
![]() by DummyLoad |
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promised files to Franco
Started by drgonzonm |
1 Replies
2100 Views |
![]() by kagliostro |
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49 Replies
27935 Views |
![]() by jpdesroc |
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Zenith OT wiring ??
Started by zapped |
5 Replies
2739 Views |
![]() by shooter |
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11 Replies
4093 Views |
![]() by punkykatt |
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Fender Hot Rod Deluxe
Started by VladP |
1 Replies
2071 Views |
![]() by EL34 |
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Graph of Gain from Input to PI Output
Started by jecars |
15 Replies
3885 Views |
![]() by jjasilli |
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FAA teaching
Started by PRR |
7 Replies
3326 Views |
![]() by silverfox |
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17 Replies
4563 Views |
![]() by DummyLoad |
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Finished 5E3 for a friend.
Started by ratgon |
14 Replies
3204 Views |
![]() by jjasilli |
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Hi-Fi amp question.
Started by ratgon |
40 Replies
8906 Views |
![]() by DummyLoad |
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MOVED: FriedWoman Brown Eye
Started by sluckey |
0 Replies
1740 Views |
![]() by sluckey |
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Sluckey's AB763 Deluxe Lite Question
Started by dude |
9 Replies
3299 Views |
![]() by dude |
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7 Replies
5732 Views |
![]() by kagliostro |
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Princeton Reverb Volume issue - Help?
Started by Imntgrumpy |
10 Replies
3543 Views |
![]() by HotBluePlates |
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tapping neg. bias voltage
Started by dude |
18 Replies
4182 Views |
![]() by dude |
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Adjustable Negative feedback
Started by pbman1953 |
3 Replies
3161 Views |
![]() by DummyLoad |
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how not to build an amp?
Started by DummyLoad |
8 Replies
2983 Views |
![]() by DummyLoad |
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Use 8417 instead of 6V6?
Started by pompeiisneaks |
16 Replies
6341 Views |
![]() by HotBluePlates |
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Using a pot as a variable resisitor
Started by pbman1953 |
4 Replies
2314 Views |
![]() by pbman1953 |
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11 Replies
3581 Views |
![]() by shooter |
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6EU7 to 12AX7 adaptor
Started by g-man |
4 Replies
4701 Views |
![]() by g-man |
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23 Replies
7363 Views |
![]() by ylelevier77 |
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98 Replies
24424 Views |
![]() by pbman1953 |
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*NEW* head cabs for Stout chassis
Started by SILVERGUN |
42 Replies
12610 Views |
![]() by Ed_Chambley |
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