Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 05:58:51 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 05:58:51 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| astronomicum and 109 Guests are viewing this board. | ||||
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AA864 bass channel mod help - SOLVED
Started by bullkelp |
15 Replies
2211 Views |
August 09, 2025, 05:09:42 pmby bullkelp |
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Silicone filter caps down
Started by Blooze |
5 Replies
1516 Views |
August 09, 2025, 11:06:12 am by Blooze |
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Roaches: Rolling your own
Started by stratomaster |
19 Replies
3049 Views |
August 08, 2025, 02:22:01 pm by astronomicum |
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Anyone have layout of soldano X88R?
Started by chaohore |
5 Replies
1580 Views |
August 08, 2025, 05:44:15 am by chaohore |
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Did I ruin my resevoir e-cap?
Started by pullshocks |
5 Replies
1402 Views |
August 06, 2025, 04:01:46 pm by pullshocks |
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39 Replies
12929 Views |
August 06, 2025, 09:28:49 am by SpeedTrip |
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5 Replies
1636 Views |
August 05, 2025, 10:11:05 am by JPK |
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1 Replies
932 Views |
August 03, 2025, 06:52:50 am by EL34 |
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Rebuilding Fender Deluxe Reverb Reissue
Started by jaster55 |
5 Replies
2889 Views |
August 01, 2025, 07:42:54 pm by jaster55 |
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127 Replies
31021 Views |
July 31, 2025, 04:58:59 pm by plexi50 |
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Power section & bias checks
Started by Wonder2121 |
24 Replies
8116 Views |
July 31, 2025, 03:56:58 pm by Wonder2121 |
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"bleeder" resistor from primary fuse
Started by scstill |
1 Replies
856 Views |
July 31, 2025, 03:21:36 pm by tubeswell |
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Clean tube amp design
Started by FREYES_7 |
10 Replies
2798 Views |
July 31, 2025, 03:00:07 pm by HotBluePlates |
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34 Replies
5790 Views |
July 31, 2025, 10:56:45 am by tubeswell |
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Need to increase Negative bias voltage
Started by pbman1953 |
9 Replies
2285 Views |
July 30, 2025, 02:05:07 pm by pbman1953 |
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14 Replies
5401 Views |
July 29, 2025, 01:33:35 pm by TexasTone |
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MOVED: New Cab Design
Started by Willabe |
0 Replies
1178 Views |
July 28, 2025, 08:01:12 am by Willabe |
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bass 400 +
Started by fredouille |
3 Replies
1837 Views |
July 27, 2025, 06:08:17 pm by tubeswell |
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Gibson GA-77 New Issue
Started by jukelemon |
9 Replies
1958 Views |
July 26, 2025, 11:51:02 am by jukelemon |
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10 Replies
4057 Views |
July 26, 2025, 09:21:04 am by RoadShow |
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DRRI tremolo Intensity issue
Started by GuitarPilot65 |
5 Replies
1517 Views |
July 25, 2025, 02:40:07 pm by stratomaster |
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Blackstar Ht club 40 MkII
Started by maltikeks |
3 Replies
1745 Views |
July 25, 2025, 11:40:59 am by rake |
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Location of OT to PT
Started by dude |
6 Replies
2017 Views |
July 25, 2025, 03:33:57 am by kagliostro |
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MK2 Vox AC50 Bias issues..,
Started by Jalmeida |
10 Replies
3128 Views |
July 24, 2025, 03:40:24 pm by Jalmeida |
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Sunn Beta bass 100 watt
Started by isaac_teller |
2 Replies
1319 Views |
July 24, 2025, 09:46:43 am by isaac_teller |
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Fender 6G6-C Bassman Build
Started by dwinstonwood |
33 Replies
10921 Views |
July 23, 2025, 09:01:56 am by dwinstonwood |
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1954 Gibson GA-77 issue/design flaw?
Started by jukelemon |
17 Replies
4916 Views |
July 21, 2025, 06:38:52 pm by jukelemon |
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Bugera BVV 3000 Preamp filaments
Started by Jennings |
3 Replies
1697 Views |
July 21, 2025, 02:25:10 pm by Jennings |
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AB763 Troubles
Started by RoadShow |
45 Replies
14836 Views |
July 20, 2025, 05:45:19 pm by RoadShow |
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15 Replies
8847 Views |
July 20, 2025, 09:56:47 am by Bieworm |
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cordovox "what use?"
Started by rafe |
1 Replies
2114 Views |
July 19, 2025, 02:27:06 pm by scstill |
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BIG SE AMP
Started by TIMBO |
19 Replies
5192 Views |
July 19, 2025, 02:10:31 am by uki |
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Hoffman PR Layout - Build
Started by p2pAmps |
4 Replies
3730 Views |
July 18, 2025, 07:49:15 pm by bnwitt |
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1 Replies
1946 Views |
July 18, 2025, 06:17:24 am by kagliostro |
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6 Replies
3846 Views |
July 14, 2025, 12:54:01 pm by MagnaClone108 |
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13 Replies
5362 Views |
July 13, 2025, 02:31:28 pm by Jennings |
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Orange TH-30 clone
Started by attilan |
11 Replies
11251 Views |
July 13, 2025, 01:18:36 pm by attilan |
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Versatile 6L6 w/1 tube reverb
Started by UncleRuckus |
7 Replies
4034 Views |
July 13, 2025, 06:36:50 am by UncleRuckus |
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No volts on cathode
Started by stokes |
10 Replies
4388 Views |
July 11, 2025, 07:59:46 pm by stokes |
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6G3 to SS Rectifier
Started by Thisismyname |
5 Replies
3474 Views |
July 11, 2025, 04:06:37 pm by tubeswell |
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Gibson tremolo question
Started by isaac_teller |
2 Replies
2451 Views |
July 11, 2025, 11:18:33 am by Merlin |
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7 Replies
4042 Views |
July 10, 2025, 08:09:54 pm by topbrent |
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11 Replies
5159 Views |
July 10, 2025, 05:47:26 pm by pullshocks |
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DP3T switch confusion
Started by hylaphone |
23 Replies
8017 Views |
July 10, 2025, 03:17:54 pm by elams1894 |
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12 Replies
5208 Views |
July 10, 2025, 02:00:43 am by tubeswell |
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6 Replies
3354 Views |
July 09, 2025, 05:27:45 pm by uki |
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10 Replies
5014 Views |
July 08, 2025, 11:59:24 am by tubeswell |
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Basic old Magnatone 5w Mod'ing
Started by Yeatzee |
29 Replies
9136 Views |
July 07, 2025, 09:36:24 pm by Yeatzee |
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6 Replies
3998 Views |
July 07, 2025, 12:19:24 pm by stratomaster |
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Hoffman BFPR Layout
Started by bnwitt |
3 Replies
2896 Views |
July 07, 2025, 11:39:44 am by Lectroid |
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