Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 03:10:55 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 03:10:55 pm | ||
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| mountainhick and 76 Guests are viewing this board. | ||||
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8 Replies
3127 Views |
March 17, 2023, 12:23:42 amby tubeswell |
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Laney VH100r heater question.
Started by Balticnoiseforge |
2 Replies
2036 Views |
March 16, 2023, 10:03:53 am by Balticnoiseforge |
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Tubenit’s octal reverb?
Started by Jerry garrcia |
2 Replies
1900 Views |
March 16, 2023, 07:03:14 am by Jerry garrcia |
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5 Replies
3155 Views |
March 16, 2023, 04:17:12 am by Petedub |
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11 Replies
3181 Views |
March 15, 2023, 02:10:36 pm by tubeswell |
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62 Replies
10851 Views |
March 15, 2023, 12:29:12 pm by Willabe |
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PT Open Primary
Started by Thisismyname |
47 Replies
7945 Views |
March 15, 2023, 11:58:14 am by pdf64 |
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4 Replies
2271 Views |
March 15, 2023, 04:43:08 am by kagliostro |
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2 Replies
1780 Views |
March 14, 2023, 04:00:02 pm by mresistor |
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output transfo kaputt
Started by Tirol29 |
18 Replies
4217 Views |
March 14, 2023, 12:49:08 pm by Tirol29 |
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6V6 JCM 800 build: re-tasking old build
Started by Amped |
13 Replies
4040 Views |
March 14, 2023, 12:30:52 am by Amped |
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Stoopid Question re PT datasheet
Started by shaun |
10 Replies
2895 Views |
March 13, 2023, 11:53:57 pm by tubeswell |
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FUZZNIKATOR what is it???
Started by TIMBO |
25 Replies
6932 Views |
March 13, 2023, 01:28:34 am by TIMBO |
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FET input stage?
Started by slowferrari |
1 Replies
2503 Views |
March 12, 2023, 01:39:37 pm by Keppy |
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7 Replies
2600 Views |
March 11, 2023, 05:45:47 pm by Pinball |
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1974 Super Reverb - Channel Bleed
Started by 410_Fanatic |
17 Replies
4164 Views |
March 11, 2023, 02:57:27 pm by 410_Fanatic |
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OT using multiple taps at same time
Started by JPK |
18 Replies
4317 Views |
March 11, 2023, 09:39:18 am by JPK |
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9 Replies
3398 Views |
March 11, 2023, 04:32:22 am by Joel |
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4 Replies
2105 Views |
March 11, 2023, 01:27:28 am by kagliostro |
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Bogus 12ax7 tubes.
Started by AlNewman |
20 Replies
5570 Views |
March 10, 2023, 08:44:47 pm by HotBluePlates |
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Alembic F-2B info
Started by PRR |
6 Replies
3636 Views |
March 10, 2023, 06:50:47 pm by AlNewman |
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5R4 rectifiers
Started by Brownie |
9 Replies
3482 Views |
March 10, 2023, 05:49:33 pm by tubeswell |
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JTM45 bias
Started by g-man |
2 Replies
2458 Views |
March 10, 2023, 01:32:25 pm by g-man |
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6 Replies
4558 Views |
March 09, 2023, 07:38:06 pm by AlNewman |
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Gibson Atlas amp head -- poor tone
Started by Coldhand75 |
9 Replies
3259 Views |
March 09, 2023, 11:16:48 am by bmccowan |
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Davis 106 Amps
Started by plexi50 |
7 Replies
6392 Views |
March 08, 2023, 10:07:50 am by Lectroid |
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MojoTone Studio One Watt
Started by GAStan |
10 Replies
4296 Views |
March 08, 2023, 09:17:34 am by GAStan |
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18 Replies
4302 Views |
March 08, 2023, 06:56:11 am by shooter |
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3 Replies
2771 Views |
March 07, 2023, 11:10:19 pm by PRR |
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Low vac on filaments
Started by dude |
3 Replies
1995 Views |
March 07, 2023, 08:07:10 pm by dude |
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How to measure bias in a Blues Jr?
Started by JustMike |
12 Replies
5571 Views |
March 07, 2023, 06:04:44 pm by AlNewman |
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EF86 GAIN FACTOR
Started by Jonas |
10 Replies
4714 Views |
March 06, 2023, 07:04:10 pm by HotBluePlates |
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AB763 brass plate?
Started by joesatch |
12 Replies
4352 Views |
March 06, 2023, 05:51:19 pm by pdf64 |
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0 Replies
2533 Views |
March 06, 2023, 03:29:45 pm by astronomicum |
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A mod for a '65 Vox AC-10
Started by miserlou |
12 Replies
4038 Views |
March 06, 2023, 12:00:50 pm by Jalmeida |
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Magnatone 280 on the Bench
Started by JustMike |
12 Replies
3559 Views |
March 06, 2023, 11:10:48 am by JustMike |
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1964 Super Reverb NFB rotary switch
Started by Darkpr0 |
10 Replies
3298 Views |
March 05, 2023, 02:25:51 pm by Darkpr0 |
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Screen voltage higher than plate voltage?
Started by dude |
14 Replies
4484 Views |
March 04, 2023, 08:39:31 pm by HotBluePlates |
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0 Replies
2209 Views |
March 04, 2023, 05:29:59 pm by astronomicum |
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Tweaking voltage dividers
Started by TenderTendon |
1 Replies
1771 Views |
March 03, 2023, 09:48:06 pm by sluckey |
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1974 Twin Reverb Transformer
Started by TenderTendon |
4 Replies
1889 Views |
March 03, 2023, 04:28:12 pm by TenderTendon |
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Fender Twin 135w - 120hz hum
Started by Garrett335 |
6 Replies
2620 Views |
March 03, 2023, 02:54:33 pm by sluckey |
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Start-up Surge
Started by shaun |
24 Replies
5223 Views |
March 03, 2023, 10:21:41 am by acheld |
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12 Replies
8139 Views |
March 03, 2023, 06:53:40 am by bmccowan |
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18 Replies
4910 Views |
March 02, 2023, 08:04:08 pm by dude |
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Rogers/Majestic 6R531
Started by AlNewman |
24 Replies
4815 Views |
March 02, 2023, 07:10:53 pm by AlNewman |
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Noisey tubes
Started by pbman1953 |
7 Replies
2576 Views |
March 02, 2023, 05:41:39 pm by scstill |
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Pentode - triode switch 6V6
Started by tubenit |
1 Replies
2050 Views |
March 02, 2023, 07:06:54 am by sluckey |
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A Basic Bias Question
Started by Lectroid |
18 Replies
4037 Views |
March 01, 2023, 10:20:25 am by Lectroid |
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2 Replies
1921 Views |
February 28, 2023, 05:23:55 pm by Jennings |
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