Welcome To the Hoffman Amplifiers Forum
October 24, 2025, 01:08:58 am
Welcome To the Hoffman Amplifiers ForumOctober 24, 2025, 01:08:58 am | ||
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jcm 900 slx 50w issues
Started by 961le |
4 Replies
3337 Views |
August 30, 2011, 08:43:05 pmby 961le |
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eletrolytic radial vs axial
Started by tcoil |
2 Replies
2726 Views |
August 29, 2011, 11:04:09 pm by PRR |
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Marshall Jubilee tonestack
Started by RobBozic |
2 Replies
2889 Views |
August 29, 2011, 05:38:19 pm by RobBozic |
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Power Amp Rewire (Plexi Gain 20 )
Started by TIMBO |
2 Replies
2353 Views |
August 29, 2011, 02:27:39 pm by TIMBO |
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"actual" plate voltage ?
Started by worth |
3 Replies
3193 Views |
August 29, 2011, 12:34:16 pm by sluckey |
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My Traynor YBA-3A Super seems weaker
Started by pbman1953 |
18 Replies
6439 Views |
August 29, 2011, 10:49:34 am by pbman1953 |
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16 Replies
12829 Views |
August 29, 2011, 06:58:12 am by kagliostro |
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Boogie 50 Caliber repair
Started by six el six |
13 Replies
5764 Views |
August 29, 2011, 03:33:59 am by six el six |
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parallel output tube bias ?
Started by worth |
16 Replies
5573 Views |
August 29, 2011, 12:50:52 am by tubeswell |
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5 Replies
2618 Views |
August 28, 2011, 02:25:18 pm by HotBluePlates |
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transformer damage?
Started by CraigB |
9 Replies
3882 Views |
August 28, 2011, 12:13:27 pm by CraigB |
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VVR. Entire amp or power section?
Started by Madison |
9 Replies
4848 Views |
August 28, 2011, 12:33:45 am by Madison |
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PLEXI GAIN 20 with BUZZ
Started by TIMBO |
18 Replies
4907 Views |
August 27, 2011, 03:26:06 pm by TIMBO |
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67 Bassman head pin voltages
Started by Craselaw |
19 Replies
9153 Views |
August 27, 2011, 12:10:32 pm by eleventeen |
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11 Replies
7002 Views |
August 26, 2011, 05:39:34 pm by HotBluePlates |
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Deluxe Reverb problem?
Started by mresistor |
9 Replies
4031 Views |
August 26, 2011, 12:53:36 am by Rev D |
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dialing in your NFB tone
Started by tubenit |
17 Replies
8722 Views |
August 25, 2011, 12:43:52 am by PRR |
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power supply help
Started by ernie_jr |
9 Replies
3807 Views |
August 24, 2011, 11:55:31 pm by PRR |
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3 Replies
5087 Views |
August 24, 2011, 11:17:19 pm by stingray_65 |
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More headroom
Started by John |
5 Replies
3033 Views |
August 24, 2011, 09:20:52 pm by HotBluePlates |
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Power Amp in on Marshall 2204?
Started by JustMike |
5 Replies
3093 Views |
August 24, 2011, 12:16:31 pm by Boots Deville |
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TRRI reverb not working
Started by firemedic |
12 Replies
4125 Views |
August 23, 2011, 05:40:15 pm by firemedic |
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17 Replies
13633 Views |
August 22, 2011, 10:48:33 pm by jojokeo |
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Does this work as an adjustable NFB?
Started by Madison |
8 Replies
4809 Views |
August 22, 2011, 09:21:49 am by jjasilli |
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25K - RA POT?
Started by blueznet |
7 Replies
4453 Views |
August 22, 2011, 08:02:50 am by OldHouseScott |
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parallel 6V6 5F1 output primary ?
Started by worth |
6 Replies
3814 Views |
August 20, 2011, 11:52:51 pm by PRR |
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Strange 5F1 build problem
Started by worth |
6 Replies
3262 Views |
August 20, 2011, 04:39:29 pm by eleventeen |
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Hammond S6 Chord Organ
Started by mresistor |
8 Replies
6232 Views |
August 20, 2011, 11:09:23 am by stingray_65 |
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13 Replies
7332 Views |
August 20, 2011, 06:47:11 am by LooseChange |
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Tubes for Sound City 120
Started by telenorman |
9 Replies
7641 Views |
August 20, 2011, 03:18:25 am by overtone |
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Presence control on 5F4
Started by Ed_Chambley |
9 Replies
5641 Views |
August 19, 2011, 10:48:15 pm by Ed_Chambley |
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Kent DR-77 cardboard amp
Started by PRR |
19 Replies
8190 Views |
August 19, 2011, 08:41:36 pm by billcreller |
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Filter caps
Started by J Rindt |
16 Replies
5182 Views |
August 19, 2011, 02:15:12 pm by catnine |
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Princeton Reverb Problem on a new build
Started by KDakaWalt |
14 Replies
5128 Views |
August 19, 2011, 02:14:06 pm by tubeswell |
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11 Replies
4472 Views |
August 19, 2011, 10:58:15 am by accmeint |
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Schematic Library
Started by LooseChange |
14 Replies
5342 Views |
August 19, 2011, 06:34:11 am by EL34 |
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capacitance in series
Started by tubenit |
3 Replies
2698 Views |
August 18, 2011, 08:12:58 pm by tubeswell |
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23 Replies
7135 Views |
August 18, 2011, 06:03:03 pm by catnine |
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Which PT to use?
Started by Madison |
13 Replies
5044 Views |
August 18, 2011, 05:21:42 pm by Madison |
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12 Replies
5766 Views |
August 18, 2011, 05:20:35 am by mguitarworks |
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Parallel Front End
Started by TIMBO |
10 Replies
3902 Views |
August 18, 2011, 03:39:14 am by TIMBO |
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Tremolux 1964 AB763 ???
Started by plexi50 |
8 Replies
3474 Views |
August 18, 2011, 12:53:17 am by jojokeo |
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18 Watt tone control?
Started by jeff |
7 Replies
5616 Views |
August 17, 2011, 11:23:05 am by sluckey |
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VOX AC100 resistors
Started by Tiny_Daddy |
4 Replies
3799 Views |
August 16, 2011, 11:22:45 pm by SoundmasterG |
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current production el34 tubes
Started by duke of earl |
8 Replies
3783 Views |
August 16, 2011, 11:14:27 pm by SoundmasterG |
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Quick resistor question regarding wattage
Started by navdave |
6 Replies
3065 Views |
August 16, 2011, 05:51:56 pm by navdave |
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Bassman 135 - Power supply questions
Started by LooseChange |
3 Replies
2692 Views |
August 16, 2011, 01:45:10 pm by LooseChange |
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5f3 Build Nubie
Started by Ed_Chambley |
15 Replies
6119 Views |
August 16, 2011, 10:27:21 am by stingray_65 |
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8 Replies
3640 Views |
August 15, 2011, 08:05:00 pm by PRR |
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Omega Mods - Fender Hot Rod Deluxe
Started by dpm309 |
2 Replies
8583 Views |
August 15, 2011, 08:02:35 pm by jim |
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