Welcome To the Hoffman Amplifiers ForumMarch 10, 2026, 07:25:04 pm | ||
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Important grounding question
Started by chaf87 |
5 Replies
1133 Views |
by pdf64 |
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Very loud amp is now attenuated
Started by newguitarsmell |
7 Replies
1059 Views |
by Merlin |
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Weber Beam Blocker Install
Started by Thisismyname |
6 Replies
1004 Views |
by Thisismyname |
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5879 Blues Bassman
Started by TIMBO |
22 Replies
3133 Views |
by TIMBO |
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1968 Fender Vibrochamp AA764 Resto
Started by TIMBO |
11 Replies
1818 Views |
by TIMBO |
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5 Replies
875 Views |
by mxrshiver |
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2 Replies
696 Views |
by AngryWalrus |
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Princeton Reverb circuit refinements
Started by tristanc |
16 Replies
2345 Views |
by stratomaster |
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4 Replies
1139 Views |
by pbman1953 |
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Input matching
Started by Lectroid |
3 Replies
832 Views |
by Lectroid |
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8 Replies
1310 Views |
by SEL49 |
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POTS IN BLUES JR
Started by BLUESMAN-2 |
4 Replies
936 Views |
by BLUESMAN-2 |
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Bootstrapped gain stage questions
Started by hylaphone |
4 Replies
1149 Views |
by hylaphone |
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Updated Tube Comparison Table
Started by HotBluePlates |
10 Replies
7326 Views |
by Lectroid |
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8 Replies
1353 Views |
by burchyk |
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0 Replies
708 Views |
by TubeAmpDegen |
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15 Replies
2845 Views |
by maxdissipation |
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Future Filmosound Project....
Started by Khristophorous |
9 Replies
1528 Views |
by bmccowan |
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5 Replies
1382 Views |
by kagliostro |
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Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
3 Replies
993 Views |
by turbofeedus |
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Curious grid voltages, 6HC8 SE build
Started by turbofeedus |
1 Replies
1146 Views |
by turbofeedus |
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Unmarked tubes ????12a?7
Started by rafe |
7 Replies
1217 Views |
by Platefire |
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Seeking opinions on strategy
Started by PetePalumbo |
2 Replies
974 Views |
by acheld |
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10 Replies
1844 Views |
by acheld |
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Fuse size question
Started by Diverted |
2 Replies
998 Views |
by kagliostro |
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5 Replies
4010 Views |
by Mypalmurph |
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6 Replies
1168 Views |
by pbman1953 |
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2 questions- Tube values and pot value
Started by pbman1953 |
14 Replies
2413 Views |
by pbman1953 |
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Carvin Legacy 3 bias issue or design?
Started by EddyMunster « 1 2 » |
76 Replies
7453 Views |
by EddyMunster |
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58 Replies
14624 Views |
by scstill |
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Transistor parts MTP6N60E
Started by dsones |
5 Replies
1230 Views |
by DummyLoad |
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DC-coupled cathodyne and feedback
Started by passaloutre |
16 Replies
1808 Views |
by tubeswell |
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Help with modded SFDR bias circuit
Started by Choan |
1 Replies
748 Views |
by stratomaster |
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8 Replies
1723 Views |
by Duncan |
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4 Replies
952 Views |
by Sansteeth |
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2 Replies
798 Views |
by kevin_taylor |
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6G7A Intermittent Hum
Started by jazjamr |
7 Replies
1195 Views |
by jazjamr |
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1 Replies
721 Views |
by SEL49 |
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Princeton Reverb turret board dimensions?
Started by fretts |
6 Replies
1082 Views |
by tubeswell |
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Crate G80Xl schematic
Started by punkykatt |
1 Replies
729 Views |
by punkykatt |
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Testing an inductor coil
Started by pbman1953 |
4 Replies
896 Views |
by Merlin |
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4 Replies
805 Views |
by Grantorino |
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Vox JMI amp voltage selector US wiring?
Started by Jalmeida |
4 Replies
861 Views |
by pdf64 |
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Thanksgiving Score
Started by rafe |
0 Replies
741 Views |
by rafe |
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marketplace 5f1 what did I buy?
Started by ernest |
14 Replies
1651 Views |
by rafe |
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6 Replies
1213 Views |
by kagliostro |
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6g2 'tiki-princeton' build
Started by bullkelp |
17 Replies
3406 Views |
by owen |
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StewMac Valve Factory 18
Started by bartman |
1 Replies
985 Views |
by SEL49 |
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Tricky tremolo question
Started by isaac_teller |
7 Replies
1294 Views |
by HotBluePlates |
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5 Replies
1125 Views |
by tubeswell |
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