Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 08:08:54 am
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 08:08:54 am | ||
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Mesa Nomad 45 Output Transformer.
Started by Dave |
5 Replies
7760 Views |
October 20, 2010, 06:30:29 pmby Dave |
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question fo Sluckey
Started by phsyconoodler |
2 Replies
4442 Views |
October 20, 2010, 01:28:12 pm by phsyconoodler |
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2 Replies
4935 Views |
October 20, 2010, 11:26:34 am by bruno |
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Bright Switch issue on Super Reverb
Started by SleepLess |
5 Replies
6557 Views |
October 20, 2010, 10:29:21 am by SleepLess |
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Reusable turrets
Started by FYL |
16 Replies
8542 Views |
October 20, 2010, 09:17:41 am by kagliostro |
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10 Replies
7664 Views |
October 20, 2010, 12:17:54 am by Shrapnel |
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Tube parametric / graphic EQ
Started by joelap |
4 Replies
8447 Views |
October 19, 2010, 10:23:19 pm by joelap |
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dumb question of the day
Started by phsyconoodler |
3 Replies
5668 Views |
October 19, 2010, 06:34:13 pm by phsyconoodler |
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2 Replies
5312 Views |
October 19, 2010, 12:33:50 pm by tubeswell |
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MOVED: tube effects loop on board
Started by tubenit |
0 Replies
4788 Views |
October 19, 2010, 05:34:53 am by tubenit |
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Princeton Reverb - PI Distortion?
Started by Fresh_Start |
16 Replies
15762 Views |
October 18, 2010, 10:22:08 pm by Fresh_Start |
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Revibe Board
Started by GrungeMan |
5 Replies
6257 Views |
October 18, 2010, 06:06:50 pm by GrungeMan |
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12AX7 and 12AY7 12 volt heater
Started by 67polara |
10 Replies
9811 Views |
October 18, 2010, 03:25:07 pm by HotBluePlates |
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BOGNER ALCHEMIST/ Thermal PT Fuse
Started by plexi50 |
8 Replies
8795 Views |
October 18, 2010, 01:58:52 pm by plexi50 |
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No Vibrato 1977 Twin Reverb / UPDATE:
Started by plexi50 |
6 Replies
6204 Views |
October 17, 2010, 09:13:20 pm by duke of earl |
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regulated 12vdc on 6vac heaters?
Started by rdrgtr |
9 Replies
14452 Views |
October 17, 2010, 09:37:45 am by LooseChange |
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Which 12AX7?
Started by knotscott |
3 Replies
5247 Views |
October 16, 2010, 03:33:09 pm by zendragon63 |
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Low output on 5E3
Started by allaboutone |
4 Replies
5498 Views |
October 16, 2010, 02:01:12 pm by mresistor |
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PT primary confusion
Started by dynaman1 |
2 Replies
5076 Views |
October 16, 2010, 10:59:03 am by dynaman1 |
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5F6-A decopling and main filter stage
Started by Bub |
15 Replies
10884 Views |
October 15, 2010, 03:54:09 pm by FYL |
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12 Replies
25942 Views |
October 15, 2010, 03:46:59 pm by tubeswell |
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9 Replies
7581 Views |
October 15, 2010, 10:21:22 am by Tone Junkie |
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Power Transformer Question
Started by TIMBO |
0 Replies
4822 Views |
October 15, 2010, 03:23:32 am by TIMBO |
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Help with 100 watt Marshall 2210 PT
Started by chabby-ao |
30 Replies
17742 Views |
October 14, 2010, 03:23:37 pm by phsyconoodler |
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25 Replies
17698 Views |
October 14, 2010, 01:28:23 pm by eleventeen |
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New amp, retro style
Started by Madison |
14 Replies
8406 Views |
October 13, 2010, 09:45:40 pm by billcreller |
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Schematic for AB 763 foot switches?
Started by zfiles1701 |
8 Replies
6515 Views |
October 13, 2010, 07:15:21 pm by zfiles1701 |
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1N4007 vrs. UF4007 fast diode
Started by rdrgtr |
9 Replies
34731 Views |
October 13, 2010, 06:43:59 am by FYL |
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Tremolo not working anymore on SR...
Started by SleepLess |
13 Replies
9613 Views |
October 13, 2010, 02:12:45 am by SleepLess |
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Substitute 6V6s for 6L6s?
Started by firemedic |
5 Replies
6623 Views |
October 12, 2010, 10:03:24 pm by Tiny_Daddy |
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24 Replies
15914 Views |
October 12, 2010, 08:50:12 pm by woolly |
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Reverb Problem 1977 Twin Reverb
Started by plexi50 |
2 Replies
4470 Views |
October 12, 2010, 03:55:33 pm by plexi50 |
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11 Replies
6900 Views |
October 12, 2010, 02:43:15 pm by musicfixerupper |
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Build #2 5F6-A PT and OT options
Started by Bub |
3 Replies
5460 Views |
October 12, 2010, 08:17:56 am by Bub |
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6 Replies
7186 Views |
October 11, 2010, 04:46:42 pm by G._Hoffman |
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I need a great harp amp design
Started by 67polara |
4 Replies
6033 Views |
October 11, 2010, 11:22:24 am by bigdaddy |
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linear pots and audio taper pots
Started by 67polara |
10 Replies
12801 Views |
October 11, 2010, 09:30:09 am by simonallaway |
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filter cap value for tube rectifier
Started by rdrgtr |
8 Replies
7164 Views |
October 10, 2010, 02:47:03 pm by eleventeen |
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18 Replies
10533 Views |
October 09, 2010, 07:09:02 pm by jeff |
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Firefly Clone Build
Started by shortfuse |
38 Replies
23576 Views |
October 09, 2010, 06:01:29 pm by shortfuse |
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GZ37 max capacitance?
Started by firemedic |
5 Replies
8067 Views |
October 09, 2010, 03:15:18 pm by firemedic |
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4 Replies
10758 Views |
October 09, 2010, 01:19:28 pm by eleventeen |
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Phase shift between preamp and PI?
Started by chip |
1 Replies
4816 Views |
October 09, 2010, 11:02:17 am by sluckey |
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zener diodes for voltage drop
Started by rdrgtr |
4 Replies
8618 Views |
October 09, 2010, 09:02:29 am by Fresh_Start |
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Improving a Deluxe Reverb
Started by fiftynine |
19 Replies
15607 Views |
October 09, 2010, 08:39:15 am by alerich |
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Feedback question...
Started by Ritchie200 |
1 Replies
4338 Views |
October 09, 2010, 06:18:07 am by Geezer |
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Troubleshooting SE homebuilt amp
Started by Twangmaster |
11 Replies
7698 Views |
October 08, 2010, 10:34:13 pm by Twangmaster |
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Mars OD special "idea"
Started by tubenit |
2 Replies
4921 Views |
October 08, 2010, 08:26:13 pm by 67polara |
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Blues Jr - Odd Topology
Started by Fresh_Start |
7 Replies
7539 Views |
October 08, 2010, 07:10:30 pm by jjasilli |
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Hammond Universal 125d OT
Started by TIMBO |
7 Replies
7446 Views |
October 08, 2010, 03:09:23 pm by TIMBO |
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