Welcome To the Hoffman Amplifiers Forum
September 06, 2025, 06:46:42 am
Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 06:46:42 am | ||
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19 Replies
7483 Views |
October 22, 2010, 03:21:54 pmby phsyconoodler |
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5879 Amps mentioned in threads
Started by moonbird |
6 Replies
3960 Views |
October 22, 2010, 02:13:51 pm by jojokeo |
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Interesting low power amp
Started by mresistor |
15 Replies
6104 Views |
October 22, 2010, 02:05:00 pm by jojokeo |
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Modding pwr amp
Started by rzenc |
3 Replies
3109 Views |
October 22, 2010, 11:32:10 am by FYL |
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Another Magnatone M10A / Reverb Problem
Started by plexi50 |
4 Replies
3248 Views |
October 21, 2010, 05:37:00 pm by plexi50 |
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Rumble's 1/3rd watter
Started by rumble |
46 Replies
18699 Views |
October 21, 2010, 02:55:39 pm by jojokeo |
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17 Replies
6988 Views |
October 20, 2010, 11:40:17 pm by eleventeen |
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Mesa Nomad 45 Output Transformer.
Started by Dave |
5 Replies
4924 Views |
October 20, 2010, 06:30:29 pm by Dave |
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question fo Sluckey
Started by phsyconoodler |
2 Replies
2534 Views |
October 20, 2010, 01:28:12 pm by phsyconoodler |
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2 Replies
2946 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
3859 Views |
October 20, 2010, 10:29:21 am by SleepLess |
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Reusable turrets
Started by FYL |
16 Replies
5338 Views |
October 20, 2010, 09:17:41 am by kagliostro |
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10 Replies
4953 Views |
October 20, 2010, 12:17:54 am by Shrapnel |
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Tube parametric / graphic EQ
Started by joelap |
4 Replies
5971 Views |
October 19, 2010, 10:23:19 pm by joelap |
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dumb question of the day
Started by phsyconoodler |
3 Replies
2804 Views |
October 19, 2010, 06:34:13 pm by phsyconoodler |
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2 Replies
3187 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
2712 Views |
October 19, 2010, 05:34:53 am by tubenit |
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Princeton Reverb - PI Distortion?
Started by Fresh_Start |
16 Replies
11668 Views |
October 18, 2010, 10:22:08 pm by Fresh_Start |
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Revibe Board
Started by GrungeMan |
5 Replies
3514 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
6506 Views |
October 18, 2010, 03:25:07 pm by HotBluePlates |
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BOGNER ALCHEMIST/ Thermal PT Fuse
Started by plexi50 |
8 Replies
6178 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
3844 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
11462 Views |
October 17, 2010, 09:37:45 am by LooseChange |
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Which 12AX7?
Started by knotscott |
3 Replies
3056 Views |
October 16, 2010, 03:33:09 pm by zendragon63 |
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Low output on 5E3
Started by allaboutone |
4 Replies
3070 Views |
October 16, 2010, 02:01:12 pm by mresistor |
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PT primary confusion
Started by dynaman1 |
2 Replies
2645 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
7731 Views |
October 15, 2010, 03:54:09 pm by FYL |
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12 Replies
21069 Views |
October 15, 2010, 03:46:59 pm by tubeswell |
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9 Replies
5146 Views |
October 15, 2010, 10:21:22 am by Tone Junkie |
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Power Transformer Question
Started by TIMBO |
0 Replies
2695 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
11396 Views |
October 14, 2010, 03:23:37 pm by phsyconoodler |
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25 Replies
10918 Views |
October 14, 2010, 01:28:23 pm by eleventeen |
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New amp, retro style
Started by Madison |
14 Replies
5143 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
3985 Views |
October 13, 2010, 07:15:21 pm by zfiles1701 |
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1N4007 vrs. UF4007 fast diode
Started by rdrgtr |
9 Replies
30414 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
5874 Views |
October 13, 2010, 02:12:45 am by SleepLess |
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Substitute 6V6s for 6L6s?
Started by firemedic |
5 Replies
3814 Views |
October 12, 2010, 10:03:24 pm by Tiny_Daddy |
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24 Replies
11643 Views |
October 12, 2010, 08:50:12 pm by woolly |
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Reverb Problem 1977 Twin Reverb
Started by plexi50 |
2 Replies
2497 Views |
October 12, 2010, 03:55:33 pm by plexi50 |
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11 Replies
4128 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
3022 Views |
October 12, 2010, 08:17:56 am by Bub |
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6 Replies
4381 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
3308 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
9262 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
4326 Views |
October 10, 2010, 02:47:03 pm by eleventeen |
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18 Replies
6932 Views |
October 09, 2010, 07:09:02 pm by jeff |
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Firefly Clone Build
Started by shortfuse |
38 Replies
17183 Views |
October 09, 2010, 06:01:29 pm by shortfuse |
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GZ37 max capacitance?
Started by firemedic |
5 Replies
5048 Views |
October 09, 2010, 03:15:18 pm by firemedic |
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4 Replies
7284 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
2607 Views |
October 09, 2010, 11:02:17 am by sluckey |
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