Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 02:31:04 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 02:31:04 am | ||
| Subject / Started by | Replies / Views | Last post  |
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0 Replies
1737 Views |
May 10, 2015, 02:05:20 pmby hesamadman |
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6 Replies
3097 Views |
May 10, 2015, 08:05:25 am by Champ_49 |
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Doug -- wiring diagram of old transformer?
Started by Mook |
3 Replies
2204 Views |
May 09, 2015, 01:26:15 pm by EL34 |
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Leaking .02 cap ?
Started by dude |
3 Replies
2165 Views |
May 08, 2015, 05:59:24 pm by shooter |
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Old Power Tubes
Started by TIMBO |
40 Replies
8991 Views |
May 08, 2015, 03:10:24 am by TIMBO |
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Weak tremolo in Vibro Champ
Started by dude |
5 Replies
2960 Views |
May 07, 2015, 04:05:35 pm by sluckey |
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James tone stack wiring
Started by ncusack |
4 Replies
3447 Views |
May 07, 2015, 01:57:27 pm by xm52 |
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Ab763 reverb circuit in separate mini chassis
Started by Toxophilite « 1 2 » |
73 Replies
12707 Views |
May 07, 2015, 02:48:30 am by Toxophilite |
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Laney AOR 50 output transformer
Started by navdave |
4 Replies
3791 Views |
May 06, 2015, 09:02:05 pm by Willabe |
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Chassis source?
Started by markmalin |
9 Replies
2925 Views |
May 06, 2015, 12:13:41 pm by markmalin |
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7 Replies
4064 Views |
May 05, 2015, 11:19:22 pm by HotBluePlates |
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PP OT question
Started by dude |
8 Replies
2766 Views |
May 05, 2015, 10:27:49 pm by HotBluePlates |
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Tremelo footswitch pop
Started by Toxophilite |
0 Replies
1594 Views |
May 05, 2015, 10:09:03 pm by Toxophilite |
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Help with volume pot
Started by goldstache |
15 Replies
3470 Views |
May 05, 2015, 09:57:34 pm by goldstache |
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5 Replies
2208 Views |
May 05, 2015, 07:33:09 pm by tubeswell |
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Another PA Amp
Started by TIMBO |
15 Replies
4789 Views |
May 05, 2015, 01:53:10 pm by TIMBO |
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4 Replies
1781 Views |
May 05, 2015, 08:54:47 am by 2deaf |
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Keys to a quiet amp
Started by hesamadman |
6 Replies
2758 Views |
May 05, 2015, 12:29:37 am by Champ_49 |
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Heater wiring wire question.
Started by Champ_49 |
28 Replies
11396 Views |
May 05, 2015, 12:26:15 am by Champ_49 |
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Single end OT question
Started by dude |
14 Replies
3621 Views |
May 04, 2015, 08:13:17 pm by PRR |
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Strange Cathode Voltage Reading
Started by ChubeRules |
4 Replies
2021 Views |
May 04, 2015, 03:14:45 pm by ChubeRules |
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23 Replies
5810 Views |
May 04, 2015, 11:54:42 am by Willabe |
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heavy buss wire - can it be too heavy?
Started by bakerlite |
8 Replies
3850 Views |
May 03, 2015, 07:37:08 pm by labb |
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6 Replies
2398 Views |
May 03, 2015, 10:36:13 am by kagliostro |
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Has the 5879 an octal correspondent ?
Started by kagliostro |
1 Replies
1741 Views |
May 03, 2015, 08:08:29 am by VMS |
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5 Replies
2436 Views |
May 03, 2015, 07:54:13 am by kagliostro |
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Floating Paraphase Negative Feedback
Started by navdave |
8 Replies
5611 Views |
May 02, 2015, 03:31:35 pm by tubeswell |
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Bias circuit addition
Started by navdave |
4 Replies
2169 Views |
May 02, 2015, 10:22:59 am by ernie_jr |
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Princeton reverb / deluxe reverb clone
Started by Shack |
4 Replies
2668 Views |
May 01, 2015, 06:48:41 pm by HotBluePlates |
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25 Replies
5547 Views |
May 01, 2015, 06:41:27 pm by HotBluePlates |
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Hot chassis - normal?
Started by markmalin |
6 Replies
2554 Views |
May 01, 2015, 02:32:44 pm by sluckey |
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$90,000 vintage amp
Started by dude |
6 Replies
3638 Views |
May 01, 2015, 11:07:24 am by dude |
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The JG Twin Reverb Preamp - Pictures
Started by LooseChange |
27 Replies
10706 Views |
May 01, 2015, 07:48:31 am by Willabe |
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bias vary tremelo distortion
Started by Toxophilite |
21 Replies
6070 Views |
April 30, 2015, 09:08:10 pm by Fresh_Start |
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Reverb Tanks
Started by Toxophilite |
6 Replies
3195 Views |
April 30, 2015, 04:53:04 pm by 2deaf |
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2 Replies
2792 Views |
April 30, 2015, 03:26:33 pm by Champ_49 |
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Hoffman Princeton Reverb AA1164
Started by khansen810 |
3 Replies
2023 Views |
April 30, 2015, 05:17:25 am by EL34 |
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6 Replies
2306 Views |
April 28, 2015, 03:03:41 pm by Willabe |
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4 Replies
1902 Views |
April 28, 2015, 09:43:30 am by kagliostro |
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25 Replies
6251 Views |
April 27, 2015, 03:23:39 pm by kagliostro |
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reverb transformer....
Started by John |
2 Replies
1703 Views |
April 27, 2015, 01:41:12 pm by John |
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BASSMAN brownface standby loud pop
Started by Colas LeGrippa |
7 Replies
2260 Views |
April 27, 2015, 10:04:30 am by Colas LeGrippa |
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27 Replies
8656 Views |
April 26, 2015, 10:24:02 pm by shwnicus |
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Are these voltages too low?
Started by markmalin |
13 Replies
4194 Views |
April 25, 2015, 11:58:00 am by markmalin |
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totally crazy build
Started by shooter |
4 Replies
2116 Views |
April 25, 2015, 11:22:14 am by shooter |
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5 Replies
2560 Views |
April 25, 2015, 08:05:11 am by Fresh_Start |
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The Stout Chassis Version #2 are here
Started by EL34 |
6 Replies
2233 Views |
April 25, 2015, 07:27:02 am by EL34 |
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6X5 rectifier
Started by Toxophilite |
16 Replies
5334 Views |
April 24, 2015, 10:34:06 pm by PRR |
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3 Replies
2273 Views |
April 24, 2015, 08:49:05 am by markmalin |
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other input tubes?
Started by Mook |
5 Replies
2776 Views |
April 23, 2015, 02:02:53 pm by Ed_Chambley |
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