Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 05:58:27 am | ||
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Please do not use VPN's
Started by EL34 |
48 Replies
11976 Views |
by Greenwichpaul |
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ALL-TIME great information
Started by PRR |
0 Replies
53366 Views |
by PRR |
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1 Replies
60735 Views |
by EL34 |
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What's this board for?
Started by EL34 |
0 Replies
38591 Views |
by EL34 |
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A Question about system design
Started by pbman1953 |
4 Replies
806 Views |
by HotBluePlates |
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93 Replies
7242 Views |
by wsscott |
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4 Replies
145 Views |
by pbman1953 |
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AO-35 Schematics
Started by Texson |
1 Replies
120 Views |
by sluckey |
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14 Replies
1574 Views |
by HotBluePlates |
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FILMOSOUND REBUILT
Started by jujudublues |
28 Replies
7118 Views |
by Graydigger |
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Layout once-over?
Started by johnnyreece |
1 Replies
198 Views |
by acheld |
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Princeton Reverb circuit refinements
Started by tristanc |
22 Replies
5199 Views |
by tristanc |
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20 Replies
3220 Views |
by passaloutre |
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Grid Bias Versus Cathode Question
Started by apeontheweb |
9 Replies
2753 Views |
by HotBluePlates |
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8 Replies
5592 Views |
by scstill |
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18 Replies
8457 Views |
by mistersnitz |
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21 Replies
4771 Views |
by johnnyreece |
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Help with Vibrolux Reverb
Started by ratgon |
19 Replies
1655 Views |
by Willabe |
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minor Major 7 combo
Started by CascoSieg |
2 Replies
603 Views |
by tubenit |
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Newcomb E-17 "guitarified"
Started by Jennings |
6 Replies
664 Views |
by Jennings |
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3 Replies
564 Views |
by acheld |
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11 Replies
683 Views |
by pbman1953 |
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Pro Junior tonestack lift
Started by rogbHW80 |
15 Replies
3810 Views |
by rogbHW80 |
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Can I Get a Sanity Check ?
Started by jewishjay |
4 Replies
750 Views |
by ghostinthescope |
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55 Replies
40704 Views |
by tubenit |
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Seeking Bias Checker Input
Started by RoadShow |
10 Replies
2382 Views |
by stratomaster |
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IS there a reason to build another AMP
Started by TIMBO |
18 Replies
6511 Views |
by AX84CH |
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2 Replies
793 Views |
by Yosser |
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2 Replies
1150 Views |
by BrianS |
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17 Replies
3467 Views |
by glass54 |
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6GH8A any good?
Started by Jonas |
6 Replies
2549 Views |
by Jonas |
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72 Replies
27359 Views |
by pdf64 |
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9 Replies
2274 Views |
by pdf64 |
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3 Replies
2113 Views |
by Backwoods Joe |
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23 Replies
3423 Views |
by apeontheweb |
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Tweed pre with XLR out
Started by J3ona1 |
3 Replies
2567 Views |
by J3ona1 |
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Cathodyne + EL34
Started by FREYES_7 |
5 Replies
3246 Views |
by HotBluePlates |
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ab763 voltages
Started by Beezerboy |
2 Replies
2958 Views |
by HotBluePlates |
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10 Replies
2996 Views |
by Dealbreaker |
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1 Replies
2461 Views |
by kagliostro |
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Master Volume for Paraphase Inverter
Started by passaloutre |
9 Replies
2547 Views |
by passaloutre |
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Help! Speaker switch hammond 1650H
Started by Banjan73 |
9 Replies
2706 Views |
by Banjan73 |
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StewMac Valve Factory 18
Started by bartman |
6 Replies
4516 Views |
by exnihilfit |
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26 Replies
4509 Views |
by sluckey |
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Blues Jr Hoffman Circuit Adding Reverb
Started by ALK2MT |
3 Replies
3631 Views |
by stratomaster |
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1 Replies
2834 Views |
by Rontone |
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Shielded Jack
Started by astronomicum |
7 Replies
3731 Views |
by astronomicum |
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LOW Output from 50's GA20
Started by Yeatzee |
11 Replies
4028 Views |
by Yeatzee |
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6 Replies
3269 Views |
by Rontone |
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New project, new possibillities
Started by Banjan73 |
3 Replies
2790 Views |
by Banjan73 |
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