Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 04:44:24 pm
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 04:44:24 pm | ||
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9 Replies
4532 Views |
February 16, 2012, 05:45:24 amby John |
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Theory behind PI problem(?)
Started by Geezer |
2 Replies
2311 Views |
February 15, 2012, 05:53:59 pm by Geezer |
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Grounding questions
Started by 12AX7 |
1 Replies
2945 Views |
February 15, 2012, 05:21:37 pm by stratele52 |
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19 Replies
6887 Views |
February 15, 2012, 10:06:56 am by Ed_Chambley |
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help with new amp
Started by bnew63 |
14 Replies
4554 Views |
February 15, 2012, 09:07:34 am by Ed_Chambley |
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Snake oil? or cork sniffing?
Started by tubeswell |
10 Replies
3720 Views |
February 15, 2012, 05:45:16 am by EL34 |
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Doug's Board Material
Started by Ed_Chambley |
7 Replies
3179 Views |
February 15, 2012, 05:39:40 am by EL34 |
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Green Bullet: EF86 + 5E3 in U.L. mode.
Started by chocopower |
44 Replies
15782 Views |
February 14, 2012, 08:12:15 pm by chocopower |
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Voicing/Master Volume
Started by ajeffcote |
19 Replies
5746 Views |
February 14, 2012, 03:58:55 pm by ajeffcote |
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72 plexi vol 1 comes on to loud
Started by redmojo |
14 Replies
3948 Views |
February 14, 2012, 04:21:43 am by Jennings |
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SLOW DRIVE 84 PSU problem
Started by TIMBO |
8 Replies
3004 Views |
February 14, 2012, 12:47:29 am by TIMBO |
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3 Replies
1811 Views |
February 12, 2012, 06:36:28 pm by Packerswin14 |
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Need advice repairing SVT
Started by jeff |
8 Replies
3208 Views |
February 12, 2012, 02:14:05 pm by PRR |
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7 Replies
4923 Views |
February 12, 2012, 08:43:42 am by jbrew73 |
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TOS II LOOKIN GOOOOOOD,SOUNDIN GRRRR8
Started by TIMBO |
18 Replies
6197 Views |
February 12, 2012, 06:16:11 am by tubenit |
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please help my JTM45
Started by kwm488 |
32 Replies
8688 Views |
February 11, 2012, 08:09:29 am by Ed_Chambley |
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FUSE SIZE??
Started by TIMBO |
4 Replies
9695 Views |
February 11, 2012, 12:19:50 am by TIMBO |
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melted heater wires
Started by thermion |
10 Replies
6548 Views |
February 10, 2012, 03:19:02 pm by HotBluePlates |
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Bassman RI Experiance Anyone
Started by Ed_Chambley |
10 Replies
3740 Views |
February 10, 2012, 01:31:22 pm by Ed_Chambley |
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Plate Load Resistors
Started by ajeffcote |
4 Replies
3935 Views |
February 10, 2012, 09:01:01 am by ajeffcote |
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What's happening here?
Started by tubenit |
4 Replies
2074 Views |
February 09, 2012, 09:46:41 pm by PRR |
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18 Replies
6306 Views |
February 09, 2012, 08:56:26 pm by HotBluePlates |
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Mesa Boogie Maverick repair blues
Started by six el six |
13 Replies
7489 Views |
February 09, 2012, 06:22:48 pm by Jack1962 |
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74 Replies
18725 Views |
February 09, 2012, 12:22:56 pm by quayhog |
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Build Suggestions for Hammond 261G6 PT
Started by ncusack |
3 Replies
2853 Views |
February 09, 2012, 08:15:02 am by tubenit |
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3 Replies
2541 Views |
February 08, 2012, 05:57:22 pm by jjasilli |
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Mains socket polarity?
Started by 12AX7 |
3 Replies
3133 Views |
February 08, 2012, 03:23:08 pm by jjasilli |
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5 Replies
2842 Views |
February 08, 2012, 11:29:24 am by zambo |
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"dual rectifier"
Started by stingray_65 |
16 Replies
10035 Views |
February 08, 2012, 09:30:56 am by Jack1962 |
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Curious phenomenon
Started by 12AX7 |
8 Replies
4525 Views |
February 07, 2012, 07:16:51 pm by stingray_65 |
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OT for AB763
Started by duke of earl |
9 Replies
3385 Views |
February 07, 2012, 02:51:30 pm by duke of earl |
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Loss of volume - Vox tube Berkeley
Started by klarsen01 |
2 Replies
2028 Views |
February 07, 2012, 02:15:31 am by jojokeo |
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Ladies and Gents: The Blowhole
Started by Tsquared |
11 Replies
3614 Views |
February 06, 2012, 04:13:29 pm by jjackson7 |
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Another take on the "HoSo" type amp
Started by CraigB |
13 Replies
4542 Views |
February 06, 2012, 05:13:28 am by arjepsen |
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Proper grounding on vintage amps
Started by P Batty |
1 Replies
2437 Views |
February 05, 2012, 12:12:35 pm by John |
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3 Replies
2106 Views |
February 05, 2012, 10:13:10 am by Colas LeGrippa |
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Standel 25L15 and dual PI
Started by Baguette |
14 Replies
7454 Views |
February 05, 2012, 09:22:38 am by tdvt |
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10 Replies
5136 Views |
February 04, 2012, 09:10:24 pm by jjasilli |
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PENTODE/TRIODE SWITCH Question
Started by Otis |
2 Replies
2953 Views |
February 04, 2012, 11:31:31 am by PRR |
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57 Replies
49197 Views |
February 04, 2012, 05:39:07 am by arjepsen |
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Tapping dcv from filament supply
Started by dude |
6 Replies
3982 Views |
February 03, 2012, 09:21:03 pm by dude |
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Wire wound R placebo effect?
Started by 12AX7 |
6 Replies
4543 Views |
February 03, 2012, 09:06:57 pm by PRR |
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Tube Diode Question.....
Started by J Rindt |
3 Replies
2330 Views |
February 03, 2012, 09:05:51 pm by PRR |
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Pedal Steel/4X6l6 amp recommendations?
Started by Tsquared |
7 Replies
3463 Views |
February 03, 2012, 08:15:00 pm by HotBluePlates |
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Some Final ReVibe pics
Started by EL34 |
2 Replies
2272 Views |
February 03, 2012, 11:30:05 am by EL34 |
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Kemper profiling amplifier
Started by TubeGeek |
12 Replies
4423 Views |
February 03, 2012, 05:28:26 am by macula56 |
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Anti Humm for interconnected circuits
Started by kagliostro |
0 Replies
2046 Views |
February 02, 2012, 05:02:47 pm by kagliostro |
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Add-A-Verb with tweed amp
Started by TubeGeek |
3 Replies
4790 Views |
February 02, 2012, 01:47:46 pm by TubeGeek |
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A less toxic flux remover?
Started by 12AX7 |
17 Replies
7242 Views |
February 02, 2012, 10:43:03 am by phsyconoodler |
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Power Supply filtering question
Started by schoolie |
8 Replies
6610 Views |
February 01, 2012, 10:23:47 pm by Fresh_Start |
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