Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:56:49 am | ||
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13 Replies
5085 Views |
by shooter |
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Tweed mod for Vibro Champ
Started by mresistor |
28 Replies
11613 Views |
by mresistor |
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Need some feedback on my 5E3 design
Started by sean_thornton |
8 Replies
4488 Views |
by HotBluePlates |
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8 Replies
5014 Views |
by PRR |
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5F6A Bassman Bias / Current / Watts
Started by plexi50 |
11 Replies
6478 Views |
by plexi50 |
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lead dress around PI
Started by arjepsen |
3 Replies
3467 Views |
by HotBluePlates |
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17 Replies
8730 Views |
by PRR |
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Filter cap before the plate supply
Started by g-man |
14 Replies
6581 Views |
by PRR |
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28 Replies
9233 Views |
by punkykatt |
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B+ and screen wire layout?
Started by Mike_J |
4 Replies
3749 Views |
by Mike_J |
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Determining Output Transformer
Started by dujuarez |
5 Replies
3844 Views |
by dujuarez |
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8 Replies
4265 Views |
by PRR |
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Tweed Deluxe Build
Started by Fresh_Start |
15 Replies
6622 Views |
by bnwitt |
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Tweed Bassman squeal
Started by osing |
31 Replies
10371 Views |
by osing |
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Bassman 10 75 Model PT Question
Started by plexi50 |
32 Replies
8339 Views |
by plexi50 |
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MOVED: Amp Caddy
Started by Willabe |
0 Replies
3249 Views |
by Willabe |
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6BM8 reverb amp
Started by Paul1453 |
12 Replies
6133 Views |
by Paul1453 |
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couple of transformer questions (Allen)
Started by Shack |
7 Replies
4876 Views |
by Shack |
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Biasing a Hoffman Princeton Reverb
Started by Jerome |
3 Replies
4497 Views |
by sluckey |
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AO-43 to Blues Jr. conversion
Started by Jerome |
12 Replies
5276 Views |
by sluckey |
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AC30, bringing voltages down
Started by bruno |
2 Replies
3710 Views |
by bruno |
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5 Replies
4240 Views |
by dujuarez |
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302 Replies
84933 Views |
by SoundmasterG |
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6 Replies
5331 Views |
by eleventeen |
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Voltage*current = power --> Tone?
Started by jbefumo |
18 Replies
8417 Views |
by jbefumo |
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267 Replies
88273 Views |
by Ritchie200 |
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Swart Space ToNe
Started by mresistor |
20 Replies
13612 Views |
by Ed_Chambley |
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NFB Control Questions????
Started by Platefire |
7 Replies
4830 Views |
by Platefire |
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Fender 100 Watt PA Head w Reverb
Started by TerryD |
47 Replies
14246 Views |
by TerryD |
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Filter Capacitor Questions
Started by dujuarez |
5 Replies
4597 Views |
by dujuarez |
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Fender super reverb
Started by Big chief |
3 Replies
3041 Views |
by Colas LeGrippa |
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Varistor in LFO driver
Started by Willabe |
5 Replies
3661 Views |
by PRR |
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Pre-wiring a PR board
Started by p2pAmps |
13 Replies
4808 Views |
by Paul1453 |
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Shielded cable ground?
Started by punkykatt |
8 Replies
5533 Views |
by punkykatt |
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Bassman AA864 Project
Started by p2pAmps |
12 Replies
5820 Views |
by Willabe |
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Cathode boost question
Started by Colas LeGrippa |
8 Replies
4091 Views |
by kagliostro |
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Biasing the '63 Vibroverb RI
Started by alange5 |
7 Replies
8502 Views |
by redtabby |
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use of MOVs
Started by jim |
4 Replies
3828 Views |
by jim |
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Crossline negative feedback?
Started by skeezbo |
8 Replies
4479 Views |
by skeezbo |
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Sluckey's Warbler mods
Started by Willabe |
9 Replies
5387 Views |
by Willabe |
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Doppler Stereo combo tube amp
Started by Willabe |
8 Replies
6290 Views |
by Willabe |
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Another Tone Stack Question
Started by Gone_Fishing |
1 Replies
2368 Views |
by HotBluePlates |
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2 Replies
3006 Views |
by Mike_J |
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5 Replies
4147 Views |
by VMS |
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2 Replies
3148 Views |
by markmalin |
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Adding Individual Bias Controls?
Started by jbefumo |
19 Replies
9436 Views |
by jbefumo |
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Reel to Reel Conversion
Started by Brendan |
28 Replies
8113 Views |
by John |
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active effect loop question
Started by Colas LeGrippa |
27 Replies
9720 Views |
by Colas LeGrippa |
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Fender Bassman 100 problem
Started by jacodaro |
4 Replies
3391 Views |
by Shack |
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trouble with an old national combo
Started by phsyconoodler |
12 Replies
5209 Views |
by Colas LeGrippa |
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