Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 12:18:48 pm | ||
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3 Replies
2020 Views |
![]() by SoundmasterG |
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½ 12AX7, ½ 12AU7 in one tube.
Started by jeff |
4 Replies
1900 Views |
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Xvive Optocoupler
Started by aajeffcote |
2 Replies
1539 Views |
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5 Replies
2167 Views |
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32 Replies
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2 Replies
1672 Views |
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Shout out to Doug's Custom Boards
Started by p2pAmps |
2 Replies
1594 Views |
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Tracking down noise
Started by idontknowyou « 1 2 » |
50 Replies
8446 Views |
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14 Replies
3910 Views |
![]() by LazarusLong |
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AB763 Style Power Amp Layout ?
Started by Soulchief |
8 Replies
2470 Views |
![]() by Dave |
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23 Replies
4818 Views |
![]() by DummyLoad |
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4 Replies
1738 Views |
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Couldn’t get a response in cabinets
Started by imgumby001 |
6 Replies
2144 Views |
![]() by imgumby001 |
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Maggie's Mystery
Started by zodiac_analog |
29 Replies
5993 Views |
![]() by trobbins |
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General Question: Iron Temperature
Started by jeff |
7 Replies
2343 Views |
![]() by ac427v |
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18 Replies
3783 Views |
![]() by kagliostro |
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Correct LaMar Pot
Started by dude |
4 Replies
1858 Views |
![]() by Latole |
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9 Replies
2603 Views |
![]() by acheld |
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76 Replies
11829 Views |
![]() by Willabe |
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6550s for Sunn 300T
Started by hiegdk |
5 Replies
2207 Views |
![]() by tubeswell |
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Peavey Classic VT output jacks
Started by Esquirefreak |
4 Replies
1764 Views |
![]() by Latole |
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39 Replies
6905 Views |
![]() by pdf64 |
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26 Replies
4952 Views |
![]() by AlNewman |
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18 Watt -- Problem voltages
Started by Lectroid |
19 Replies
4257 Views |
![]() by Lectroid |
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1-Tube Reverb question
Started by Lectroid |
4 Replies
2101 Views |
![]() by Lectroid |
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Kay 803 Tube Confusion & Ground Issue
Started by plexi50 |
11 Replies
3196 Views |
![]() by AlNewman |
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Back to Back 6-0-6Vac Xfmrs
Started by jeff |
28 Replies
5208 Views |
![]() by Merlin |
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VoxAC15CC1 tremolo
Started by Latole |
5 Replies
2462 Views |
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AB763 Super Reverb Clone Blowing a cap
Started by 72Blazer |
14 Replies
3649 Views |
![]() by 72Blazer |
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ECL84 Reverb in new amp questions
Started by boodle |
10 Replies
2980 Views |
![]() by boodle |
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Increasing OPT Primary
Started by clyde |
6 Replies
2544 Views |
![]() by HotBluePlates |
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Teflon Wire Can be Microphonic?
Started by JustMike |
20 Replies
5099 Views |
![]() by Williamblake |
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5150III heater voltage wrong
Started by fossilshark |
7 Replies
2891 Views |
![]() by Williamblake |
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10 Replies
4210 Views |
![]() by Williamblake |
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Correct component value
Started by isaac_teller |
6 Replies
2419 Views |
![]() by sluckey |
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Orange Rockerverb Mkii Clean channel mod
Started by Vitotoyo |
1 Replies
1767 Views |
![]() by Esquirefreak |
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41 Replies
7761 Views |
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15 Replies
3709 Views |
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Confirming PT usage w/ Princeton Circuit
Started by BobL |
2 Replies
1811 Views |
![]() by BobL |
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Marshall 6100 Power Supply Capacitors
Started by plexi50 |
2 Replies
1789 Views |
![]() by sluckey |
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0 Replies
1615 Views |
![]() by 72Blazer |
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1974 Twin Reverb Volume changing
Started by rustyadams |
15 Replies
4055 Views |
![]() by mresistor |
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0 Replies
1670 Views |
![]() by EL34 |
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14 Replies
3982 Views |
![]() by Kesi from Hungary |
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LFO Sine and Cosine
Started by jeff |
13 Replies
3643 Views |
![]() by Merlin |
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7 Replies
2660 Views |
![]() by kagliostro |
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Princeton Reverb Preamp, Phase Inverter to ICEPower amp
Started by dbishopbliss « 1 2 » |
92 Replies
16567 Views |
![]() by HotBluePlates |
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1968 Fender Bandmaster Help Please
Started by jukelemon |
20 Replies
4875 Views |
![]() by sluckey |
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13 Replies
3817 Views |
![]() by tubenit |
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11 Replies
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