Welcome To the Hoffman Amplifiers ForumJune 09, 2026, 06:41:03 pm | ||
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8 Replies
3984 Views |
by Skeeter_pdx |
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22 Replies
6572 Views |
by Platefire |
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11 Replies
7832 Views |
by tubeswell |
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47uf/50v caps in place of 47uf/100v cap
Started by punkykatt |
3 Replies
2840 Views |
by punkykatt |
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Fender Gibbs Reverb pan questions
Started by mresistor |
8 Replies
4223 Views |
by Bieworm |
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23 Replies
7630 Views |
by HotBluePlates |
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5F1 first build preamp voltages issue
Started by FREYES_7 |
2 Replies
2778 Views |
by FREYES_7 |
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LED bias and negative feedback
Started by passaloutre |
4 Replies
3240 Views |
by passaloutre |
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filter cap values, traynor yba4
Started by colorado |
2 Replies
2793 Views |
by shooter |
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3 Replies
3079 Views |
by Merlin |
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Schematics and layout drawings.
Started by Willabe |
28 Replies
9860 Views |
by passaloutre |
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Mesa Mark II C (sp10a) export
Started by 74-335 |
4 Replies
3309 Views |
by acheld |
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Mini TOS SE with FX Loop Build
Started by PharmRock |
7 Replies
3731 Views |
by PharmRock |
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6N5P Russian made
Started by Cliff Rogers |
3 Replies
3711 Views |
by jansch |
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Hello from a new member
Started by stw307 |
37 Replies
13996 Views |
by stw307 |
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6 Replies
3976 Views |
by Latole |
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L pad passive attenuator
Started by Snake5150 |
3 Replies
3142 Views |
by Merlin |
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8 Replies
3914 Views |
by Redwood |
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Help identifying heavy hum
Started by kasperbergholt |
7 Replies
3901 Views |
by tubeswell |
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9 Replies
4862 Views |
by shooter |
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Triwec Output Transformer info needed
Started by wsscott |
3 Replies
3084 Views |
by wsscott |
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My First Tube Amp Build
Started by mar2112 |
9 Replies
4287 Views |
by mar2112 |
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3 Prong Grounded Cord Reference
Started by plexi50 |
4 Replies
3570 Views |
by jjasilli |
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Testing output transformer
Started by fossilshark |
2 Replies
3219 Views |
by kagliostro |
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134 Replies
33253 Views |
by Richs1979 |
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23 Replies
7153 Views |
by Willabe |
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Fender Custom 68’ Pro Reverb findings
Started by goldstache |
0 Replies
2729 Views |
by goldstache |
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DIY attenuator build
Started by Snake5150 |
11 Replies
5156 Views |
by 66Strat |
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capactior/ ESR meter recommendations
Started by joesatch |
3 Replies
3569 Views |
by Willabe |
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Fixed biasing el84s
Started by jordan86 |
8 Replies
4777 Views |
by Merlin |
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Master volume and grid leak resistors
Started by Snake5150 |
2 Replies
3177 Views |
by tubeswell |
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Matchless Clubman build
Started by didierleclair |
11 Replies
5293 Views |
by pdf64 |
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DuKane Super Amp Build
Started by dmp |
2 Replies
2985 Views |
by dmp |
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Impedance selector wiring
Started by Snake5150 |
1 Replies
2897 Views |
by SEL49 |
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Silvertone 1472 0n the bench(Platefire)
Started by rafe |
27 Replies
6862 Views |
by Platefire |
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Power Supply Issue
Started by TomG |
6 Replies
3540 Views |
by TomG |
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Reverb Circuit Recommendations
Started by Thisismyname |
12 Replies
5483 Views |
by Thisismyname |
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lubricating a sliding eq
Started by pbman1953 |
5 Replies
3416 Views |
by shooter |
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super original 64 vibrochamp recap??
Started by bullkelp |
33 Replies
7486 Views |
by Latole |
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8K OT with EL34's how?
Started by joesatch |
26 Replies
7148 Views |
by jojokeo |
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Early Gibson GA 40 Foot Switch Wiring
Started by plexi50 |
14 Replies
9865 Views |
by Platefire |
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2 Replies
3476 Views |
by Lauri |
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Parallel v1 guidance
Started by joesatch |
6 Replies
4168 Views |
by tubeswell |
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Hiss at idle ... ideas?
Started by Diverted |
9 Replies
4007 Views |
by Willabe |
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Buguera G5 Infinium bad work
Started by J. Ignacio |
15 Replies
5212 Views |
by ac427v |
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Jtm 45 tone stack
Started by Snake5150 |
23 Replies
7079 Views |
by Snake5150 |
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5e3 Adjustable Cathode Resistor Mod
Started by SteveInMN |
17 Replies
6590 Views |
by SEL49 |
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'63 Tremolux with scratchy pots
Started by SteveInMN |
13 Replies
4991 Views |
by SteveInMN |
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Fender 6G4A Super / Intensity Pot Pop!
Started by plexi50 |
49 Replies
10675 Views |
by plexi50 |
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14 Replies
17609 Views |
by pdf64 |
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