Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 04:38:05 pm | ||
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5e11 build
Started by Bugman3183 |
2 Replies
2503 Views |
by Bugman3183 |
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Help with this preamp schematic
Started by hesamadman |
9 Replies
5840 Views |
by PRR |
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Single-ended Class A Another Dilemma
Started by Crispy |
28 Replies
6992 Views |
by shooter |
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OT question
Started by dude |
7 Replies
3339 Views |
by VMS |
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211 Replies
46206 Views |
by taylorc315 |
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2 Replies
2395 Views |
by tompagan123 |
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1957 Vibrolux Tube Chart / Lookie This!
Started by plexi50 |
2 Replies
2455 Views |
by plexi50 |
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Problem with a AB763 build
Started by rutledj |
7 Replies
3538 Views |
by Willabe |
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Red Plating
Started by Jaymz77 |
0 Replies
2028 Views |
by Jaymz77 |
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Clipping/Distorting issue with new AC15 Build
Started by Evergreen |
15 Replies
5608 Views |
by VMS |
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4 Replies
2909 Views |
by PRR |
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Telefunken Date Code's
Started by plexi50 |
2 Replies
3569 Views |
by plexi50 |
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Power Amps.
Started by pinkphiloyd « 1 2 » |
59 Replies
15722 Views |
by kagliostro |
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5 Replies
3066 Views |
by kagliostro |
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Transformer Induced Hum
Started by hesamadman |
7 Replies
3581 Views |
by alerich |
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Phillips 10w PA Amp
Started by TIMBO |
5 Replies
3156 Views |
by TIMBO |
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6 Replies
3568 Views |
by Fresh_Start |
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Cathodyne PI question
Started by hesamadman |
3 Replies
2929 Views |
by HotBluePlates |
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Broken Vox ac50
Started by Mick-Dee |
4 Replies
3262 Views |
by kagliostro |
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3 Replies
2271 Views |
by kagliostro |
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Hoffman 5f2a Princeton question.
Started by Crispy |
5 Replies
2735 Views |
by Crispy |
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5E3 putting out 19 watts!?!?
Started by waldner |
16 Replies
7169 Views |
by HotBluePlates |
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32 Replies
9274 Views |
by kagliostro |
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6V6 Plexi Bias Adjustment
Started by GS1100 |
3 Replies
3754 Views |
by tubeswell |
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7 Replies
5405 Views |
by Platefire |
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6 Replies
3353 Views |
by Willabe |
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5F1 clone squeal
Started by zlanderous |
2 Replies
2801 Views |
by shooter |
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1 Replies
2304 Views |
by ioplex |
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5 Replies
3171 Views |
by nateflanigan |
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9 Replies
4761 Views |
by kagliostro |
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47 Replies
12301 Views |
by guitylerham |
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5e3 kit - 6v6 pin 1 to pin 8
Started by 6v6Pin1 |
2 Replies
2577 Views |
by PRR |
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'66 Reverberocket 7591 redplating
Started by firemedic |
8 Replies
3807 Views |
by firemedic |
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5e3 kit - filament center tap
Started by 6v6Pin1 |
2 Replies
2379 Views |
by 6v6Pin1 |
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cap voltage
Started by J Rindt |
7 Replies
3164 Views |
by sluckey |
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Optimizing Bias on 5F6A
Started by waldner |
7 Replies
3841 Views |
by waldner |
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Harmony H410A
Started by TIMBO |
4 Replies
4007 Views |
by TIMBO |
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2204 6v6 build bias problem
Started by Auke Jolman |
9 Replies
3935 Views |
by Willabe |
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9 Replies
5914 Views |
by Willabe |
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Looking for info on diode clipping
Started by hesamadman |
7 Replies
5877 Views |
by Fresh_Start |
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8 Replies
9235 Views |
by purpletele |
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25 Replies
7604 Views |
by Champ_49 |
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174 Replies
56884 Views |
by Champ_49 |
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5 Replies
5790 Views |
by kagliostro |
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5 Replies
2741 Views |
by PRR |
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Help me Hoffmanize this MV on 5F6a
Started by waldner |
24 Replies
6970 Views |
by waldner |
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Bugera V22 combo for gutting/rebuild?
Started by MakerDP |
6 Replies
4832 Views |
by eleventeen |
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HIFI build
Started by shooter |
5 Replies
2280 Views |
by shooter |
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Mute Switch
Started by lkrasner |
8 Replies
4770 Views |
by JB |
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PP 6V6 Cathode Bias Question
Started by ncusack |
4 Replies
3951 Views |
by tubeswell |
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