Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 11:32:17 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 11:32:17 pm | ||
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Which princeton schematic & tranny set ?
Started by 12AX7 |
3 Replies
4503 Views |
November 05, 2011, 03:29:46 pmby 12AX7 |
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Interesting new Hiwatt tube amp the t20
Started by frank57 |
4 Replies
7833 Views |
November 05, 2011, 01:22:37 pm by frank57 |
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Do I need to re-bias?
Started by pbman1953 |
1 Replies
2305 Views |
November 05, 2011, 09:43:54 am by FYL |
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Do We Like This Effects Loop?
Started by blown240 |
2 Replies
2612 Views |
November 05, 2011, 06:44:24 am by LooseChange |
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Edition Tube 20th Anniversary
Started by plexi50 |
7 Replies
4096 Views |
November 05, 2011, 04:51:43 am by John |
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4 Replies
2712 Views |
November 04, 2011, 05:43:49 pm by tubeswell |
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Low Bias Voltage on 5E6-A
Started by luthierwnc |
2 Replies
2300 Views |
November 04, 2011, 03:34:54 am by stratele52 |
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Another VVR Question
Started by theundeadelvis |
8 Replies
4038 Views |
November 03, 2011, 06:34:10 pm by theundeadelvis |
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bleed resistor calculation
Started by stingray_65 |
2 Replies
4495 Views |
November 03, 2011, 04:21:58 pm by stingray_65 |
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Tag board finished 6G15 Stand Alone Build
Started by Willabe |
5 Replies
3890 Views |
November 03, 2011, 02:43:57 pm by Willabe |
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power transformer
Started by ernie_jr |
4 Replies
2798 Views |
November 03, 2011, 08:09:52 am by ernie_jr |
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3 Replies
2979 Views |
November 03, 2011, 07:48:17 am by FYL |
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Peavey Triumph Signal Loss Or Gain?
Started by plexi50 |
7 Replies
5826 Views |
November 03, 2011, 05:18:50 am by alerich |
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What temp to solder?
Started by Geezer |
12 Replies
9141 Views |
November 03, 2011, 03:40:52 am by The_Gaz |
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8 Replies
4760 Views |
November 02, 2011, 02:18:26 pm by TIMBO |
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8 Replies
3717 Views |
November 02, 2011, 06:35:47 am by TerryD |
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Please Critique This Layout
Started by blown240 |
5 Replies
2847 Views |
November 02, 2011, 02:50:52 am by jojokeo |
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24 Replies
9623 Views |
November 01, 2011, 08:50:46 pm by 12AX7 |
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12AX7 Balanced XLR Out
Started by blown240 |
6 Replies
5981 Views |
November 01, 2011, 01:31:03 pm by blown240 |
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6 Replies
3961 Views |
November 01, 2011, 01:02:46 pm by Fresh_Start |
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4 Replies
3071 Views |
November 01, 2011, 11:19:56 am by Geezer |
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11 Replies
10856 Views |
November 01, 2011, 09:31:40 am by FYL |
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Doug's custom board progam rocks
Started by ernie_jr |
3 Replies
2556 Views |
November 01, 2011, 07:21:57 am by EL34 |
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Chunky switch
Started by PRR |
2 Replies
2410 Views |
November 01, 2011, 01:48:22 am by kagliostro |
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Hammond organ OT question
Started by bigsbybender |
2 Replies
3554 Views |
October 31, 2011, 11:35:35 pm by bigsbybender |
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What power transformer would work?
Started by theundeadelvis |
12 Replies
5789 Views |
October 31, 2011, 06:34:35 pm by theundeadelvis |
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Hello....1st question regarding PI
Started by 12AX7 |
9 Replies
5598 Views |
October 31, 2011, 10:24:51 am by 12AX7 |
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0 Replies
2928 Views |
October 30, 2011, 02:58:12 pm by Ryteone |
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VVR and PPIMV - Yay or Nay
Started by theundeadelvis |
5 Replies
5117 Views |
October 30, 2011, 02:33:20 pm by Willabe |
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1 Replies
2207 Views |
October 30, 2011, 12:31:19 pm by sluckey |
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tweaking a '59 RI Bassman LTD
Started by tubeswell |
1 Replies
2753 Views |
October 30, 2011, 08:26:18 am by sluckey |
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Need some help with debugging an amp
Started by G._Hoffman |
9 Replies
3746 Views |
October 30, 2011, 06:45:05 am by LooseChange |
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3 Replies
3647 Views |
October 29, 2011, 01:40:31 pm by kagliostro |
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Marshall class 5
Started by Leevi |
0 Replies
2891 Views |
October 29, 2011, 11:34:21 am by Leevi |
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paralleled SE output tubes
Started by Colas LeGrippa |
3 Replies
2932 Views |
October 29, 2011, 10:52:27 am by stratele52 |
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Grid leak on KT88
Started by LooseChange |
7 Replies
4899 Views |
October 29, 2011, 09:13:46 am by ernie_jr |
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My PT is dead but reads fine. WTF?
Started by Baguette |
9 Replies
3766 Views |
October 29, 2011, 08:26:17 am by Baguette |
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Tremolo Ckt in Silvertone 1344
Started by mrm0to |
2 Replies
3112 Views |
October 28, 2011, 01:20:48 pm by mrm0to |
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ampeg home brew
Started by ernie_jr |
0 Replies
2311 Views |
October 28, 2011, 08:05:27 am by ernie_jr |
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Silver Jubilee Hum
Started by plexi50 |
2 Replies
2571 Views |
October 27, 2011, 02:54:18 pm by plexi50 |
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5 Replies
4954 Views |
October 27, 2011, 08:52:45 am by Jennings |
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NHAD!! (New homebrew amp day)
Started by Danskman |
18 Replies
6034 Views |
October 26, 2011, 08:16:37 pm by Madison |
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6 Replies
4792 Views |
October 26, 2011, 11:00:58 am by bruno |
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B+ Connection JTM 45
Started by Ed_Chambley |
5 Replies
3789 Views |
October 26, 2011, 09:56:14 am by sluckey |
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Capacitor Value?
Started by plexi50 |
5 Replies
3000 Views |
October 26, 2011, 03:41:41 am by stratele52 |
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6 Replies
3570 Views |
October 25, 2011, 04:05:59 pm by gldtp99 |
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63 vibroverb cabinet dimensions
Started by phsyconoodler |
3 Replies
6221 Views |
October 25, 2011, 03:53:50 pm by FYL |
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Extension Cabinet
Started by rosenfeld88 |
1 Replies
2158 Views |
October 25, 2011, 11:32:15 am by PRR |
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3 Replies
2323 Views |
October 24, 2011, 09:58:56 am by RicharD |
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5E3 troubles
Started by Madison |
2 Replies
2580 Views |
October 24, 2011, 01:42:42 am by Madison |
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