Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 09:39:12 pm | ||
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another trem problem
Started by floyd |
22 Replies
6043 Views |
![]() by sluckey |
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Is this an UL Power Amp or not ?
Started by kagliostro |
9 Replies
3058 Views |
![]() by kagliostro |
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Secret of the big headroom?
Started by Leevi |
12 Replies
3839 Views |
![]() by Leevi |
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6 Replies
2748 Views |
![]() by DummyLoad |
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Low watt amp power supply, design problems.
Started by rob_h |
13 Replies
5284 Views |
![]() by rob_h |
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6 Replies
7155 Views |
![]() by alerich |
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0 Replies
1561 Views |
![]() by tubenit |
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3 Replies
3448 Views |
![]() by Scsoul |
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HELP!! ENGL Powerball trouble.
Started by trikmorgan |
29 Replies
12820 Views |
![]() by punkykatt |
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4 Replies
3368 Views |
![]() by DummyLoad |
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EL90 alternatives
Started by teletubbie |
4 Replies
8020 Views |
![]() by HotBluePlates |
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Reducing the FIZZ and BUZZ
Started by TIMBO |
6 Replies
2985 Views |
![]() by tubenit |
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Ampeg VT22 V4
Started by shortfuse |
11 Replies
5243 Views |
![]() by PRR |
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D'Mars ODS & FX (non-5879)
Started by tubenit |
1 Replies
2264 Views |
![]() by SILVERGUN |
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ampeg build, M12,R12R reverbrocket.
Started by Tom_Hull |
5 Replies
3183 Views |
![]() by Tom_Hull |
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6L6's in Princeton clone
Started by frankeg |
10 Replies
5530 Views |
![]() by Ed_Chambley |
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2 Replies
3988 Views |
![]() by kagliostro |
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Choke orientation
Started by alerich |
25 Replies
10865 Views |
![]() by jojokeo |
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Dumble Distortion Circuit Design
Started by silverfox |
11 Replies
6983 Views |
![]() by jazbo8 |
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Carolina Blues Special build for a friend
Started by BarryW |
7 Replies
3667 Views |
![]() by BarryW |
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52 Replies
12459 Views |
![]() by HotBluePlates |
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PLEXI 6V6 With OD
Started by TIMBO |
3 Replies
2381 Views |
![]() by tubenit |
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44 Replies
12414 Views |
![]() by SILVERGUN |
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2 Replies
5186 Views |
![]() by kagliostro |
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New Power Amp Build
Started by silverfox |
6 Replies
2823 Views |
![]() by HotBluePlates |
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72 Quad Reverb heater wires crossed?
Started by Mars-Hall |
6 Replies
2671 Views |
![]() by jeff |
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Problem with pots
Started by ericlen838 |
4 Replies
2094 Views |
![]() by stratele52 |
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Schematic for National Glenwood 2x12
Started by six_eight |
3 Replies
2794 Views |
![]() by six_eight |
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Pro reverb tremolo problem
Started by Underwood |
7 Replies
2819 Views |
![]() by punkykatt |
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Pro reverb vibrato noise
Started by Underwood |
0 Replies
1703 Views |
![]() by Underwood |
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powerless sound caused by OT?
Started by Leevi |
7 Replies
2600 Views |
![]() by firemedic |
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bad tube or what
Started by Seegs |
16 Replies
4915 Views |
![]() by HotBluePlates |
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AB763 Dropping Resistors?
Started by ajeffcote |
7 Replies
4970 Views |
![]() by ajeffcote |
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Marshall JTM45 Combo design
Started by TuBo |
12 Replies
5661 Views |
![]() by TuBo |
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HIWATT LEAD
Started by TIMBO |
5 Replies
2650 Views |
![]() by SILVERGUN |
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P/P plate driven issue
Started by Colas LeGrippa |
4 Replies
2096 Views |
![]() by Colas LeGrippa |
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Cathode bias Plexi tuning
Started by SLW |
17 Replies
7815 Views |
![]() by SLW |
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Tube amp grounding
Started by BobbyS |
4 Replies
3230 Views |
![]() by BobbyS |
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where to put my pot?
Started by shooter |
4 Replies
2408 Views |
![]() by HotBluePlates |
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Push-Pull 12au7
Started by VMS |
7 Replies
8686 Views |
![]() by VMS |
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6 Replies
3842 Views |
![]() by kagliostro |
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6L6GC Load Resistance
Started by triplejjr |
6 Replies
9647 Views |
![]() by PRR |
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10 Replies
4132 Views |
![]() by loogie |
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5 Replies
5298 Views |
![]() by HotBluePlates |
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Virgin 66 Pro Reverb
Started by Voxbox |
22 Replies
6660 Views |
![]() by HotBluePlates |
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Ceriatone 18w EF86 TMB
Started by shortfuse |
22 Replies
8321 Views |
![]() by jojokeo |
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TA and TU for pcl86 amp question
Started by kagliostro |
4 Replies
2949 Views |
![]() by kagliostro |
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16 Replies
5178 Views |
![]() by HotBluePlates |
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Boost pedal popping
Started by Madison |
11 Replies
3357 Views |
![]() by Madison |
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TOOB EF86 Recommendations
Started by Ed_Chambley |
4 Replies
2146 Views |
![]() by Davidg |
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