Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 06:31:59 am | ||
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61 Replies
20462 Views |
by Guitarzan |
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14 Replies
9573 Views |
by HotBluePlates |
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London Power power scaling technology
Started by Champ_49 |
8 Replies
10439 Views |
by Champ_49 |
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Princeton to 6L6 from 6V6..from AO-39
Started by Skip Hagey |
3 Replies
2664 Views |
by sluckey |
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5Y3 Rectifier
Started by TIMBO |
4 Replies
3772 Views |
by TIMBO |
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1 Replies
2673 Views |
by PRR |
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AB763 Deluxe_Reverb OD
Started by vicentebd |
5 Replies
3433 Views |
by vicentebd |
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2 Replies
3441 Views |
by Toxophilite |
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Sound City 120r
Started by TIMBO |
16 Replies
7445 Views |
by TIMBO |
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Testing OT. How efficient?
Started by hesamadman |
4 Replies
2903 Views |
by hesamadman |
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Open chassis sitting on speaker cabinet
Started by 6v6Pin1 |
3 Replies
3193 Views |
by 6v6Pin1 |
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4 Replies
3494 Views |
by sluckey |
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Adding 12vdc LED to tube amp
Started by POWDOG |
15 Replies
10293 Views |
by HotBluePlates |
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microphonic PI
Started by Skip Hagey |
25 Replies
7313 Views |
by Skip Hagey |
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output Jacks
Started by taylorc315 |
2 Replies
2727 Views |
by taylorc315 |
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Stout kit cuts out at high volume
Started by 6v6Pin1 |
4 Replies
3498 Views |
by Willabe |
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What decides components?
Started by maxmigax |
18 Replies
7368 Views |
by pinkphiloyd |
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FX Hoffman style turret board
Started by tubenit |
2 Replies
3554 Views |
by John |
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PT in Tweed super using KT66's
Started by RobBozic |
1 Replies
3218 Views |
by AZJimC |
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Plexi-7868 build in Stout Chassis
Started by AZJimC |
42 Replies
14988 Views |
by DummyLoad |
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20 Replies
11111 Views |
by matt117 |
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DIY Stereo Kits or Plans?
Started by Mook |
25 Replies
9161 Views |
by Packerswin14 |
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5F2-A Chassis and Control Board Idea
Started by humbug |
13 Replies
6263 Views |
by humbug |
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56 Replies
24511 Views |
by TIMBO |
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37 Replies
12135 Views |
by basschops1528 |
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7 Replies
4302 Views |
by sluckey |
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Transformer replacement
Started by dunner84 |
3 Replies
3651 Views |
by dunner84 |
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Orange 120 1974
Started by plexi50 |
3 Replies
3273 Views |
by plexi50 |
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15 Replies
8308 Views |
by EL34 |
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Output transformer values
Started by Skip Hagey |
2 Replies
3019 Views |
by PRR |
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4 Replies
4266 Views |
by vibrolax |
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5e3 build. No voltage pins 4
Started by MF76 |
34 Replies
10270 Views |
by Ed_Chambley |
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87 Replies
24320 Views |
by pbman1953 |
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14 Replies
5000 Views |
by phsyconoodler |
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6G12-A "frying" sound
Started by Mars-Hall |
11 Replies
4872 Views |
by jojokeo |
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Artificial center tap for heaters.
Started by pinkphiloyd |
17 Replies
10674 Views |
by pinkphiloyd |
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21 Replies
9942 Views |
by kagliostro |
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Tremolo cap question
Started by BobRuth |
3 Replies
3601 Views |
by BobRuth |
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What the heck did I do?
Started by hesamadman |
0 Replies
2817 Views |
by hesamadman |
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Hoffman 1 Channel Deluxe Reverb
Started by dunner84 |
10 Replies
6497 Views |
by JGk |
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6G6 Power Tubes, no bias current
Started by RAJPE |
11 Replies
7565 Views |
by sluckey |
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Anyone built a Single Ended EL34 Hot Cat?
Started by Shawnee |
15 Replies
6117 Views |
by John |
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5E3 with different PI
Started by Leevi |
6 Replies
6174 Views |
by PRR |
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Transformation
Started by Toxophilite |
2 Replies
2884 Views |
by PRR |
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3-2x12 wiring help
Started by goldstache |
5 Replies
3471 Views |
by goldstache |
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vibrolux issues
Started by Bugman3183 |
43 Replies
11076 Views |
by Bugman3183 |
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Need help identify Twin
Started by crashtm1 |
9 Replies
3493 Views |
by DummyLoad |
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31 Replies
8664 Views |
by sluckey |
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Revibe issue?
Started by lego4040 |
12 Replies
4599 Views |
by lego4040 |
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Bogen MX-60 Vintage P.A. Amp
Started by Guitarzan |
16 Replies
7730 Views |
by Willabe |
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