Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:45 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:45 am | ||
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Bias question
Started by SacDave |
11 Replies
3704 Views |
December 16, 2016, 08:16:27 pmby PRR |
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27 Replies
7561 Views |
December 16, 2016, 08:16:14 pm by rlh5599 |
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OT Position compromise
Started by dennyg |
1 Replies
2731 Views |
December 16, 2016, 01:33:26 pm by PRR |
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100-200w Valve Junior
Started by WintersHarvest |
16 Replies
7877 Views |
December 15, 2016, 04:07:19 pm by BetterOffShred |
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2 Replies
2595 Views |
December 15, 2016, 03:41:05 pm by Planobilly |
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Single-Ended Plexi Build Help
Started by Big_Mike |
5 Replies
4847 Views |
December 15, 2016, 12:48:30 pm by Big_Mike |
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A very peculiar thing...
Started by hesamadman |
8 Replies
3391 Views |
December 14, 2016, 08:21:14 pm by 12AX7 |
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24 Replies
7911 Views |
December 14, 2016, 01:40:34 pm by Bangy |
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Adding Reverb to Sluckey's AC15
Started by clyde |
4 Replies
3561 Views |
December 14, 2016, 10:07:17 am by pompeiisneaks |
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9 Replies
5385 Views |
December 14, 2016, 09:37:56 am by pbman1953 |
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Marshall JMP -78 Master model 100w Lead
Started by niilopi |
11 Replies
4992 Views |
December 14, 2016, 01:41:10 am by silverfox |
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11 Replies
4582 Views |
December 13, 2016, 08:30:24 am by kagliostro |
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2 Replies
2523 Views |
December 12, 2016, 06:12:46 pm by Planobilly |
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Newbie Builder
Started by manofgod4life |
11 Replies
3922 Views |
December 12, 2016, 01:32:46 pm by sluckey |
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High Voltage 6L6 SE
Started by TIMBO |
27 Replies
12207 Views |
December 12, 2016, 01:19:30 pm by TIMBO |
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JCM800 Heater/Tube Issue
Started by dbray6714 |
9 Replies
3756 Views |
December 12, 2016, 12:31:45 pm by sluckey |
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AB763 grounding question
Started by Planobilly |
3 Replies
2703 Views |
December 12, 2016, 09:25:48 am by Planobilly |
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8 Replies
3807 Views |
December 11, 2016, 10:26:57 pm by Leevi |
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Single ended el34 amp
Started by fossilshark |
35 Replies
29813 Views |
December 11, 2016, 10:10:53 pm by frankenxtein |
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Transformer voltage readings
Started by fossilshark |
2 Replies
2794 Views |
December 11, 2016, 09:08:49 pm by Willabe |
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Tweed Super 5E4A tweaking
Started by SleepLess |
35 Replies
10989 Views |
December 11, 2016, 05:49:48 pm by HotBluePlates |
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Amp for steel guitar
Started by Leevi |
28 Replies
8851 Views |
December 11, 2016, 02:02:58 pm by Leevi |
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16 Replies
9321 Views |
December 11, 2016, 12:45:53 pm by steelerfan88 |
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grid bias resistor value 6V6
Started by 12AX7 |
7 Replies
6918 Views |
December 11, 2016, 12:05:03 pm by 12AX7 |
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Hi-fi amp to guitar amp
Started by fossilshark |
7 Replies
3959 Views |
December 11, 2016, 11:14:39 am by HotBluePlates |
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7 Replies
3247 Views |
December 11, 2016, 10:08:07 am by Bangy |
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7 Replies
3945 Views |
December 11, 2016, 09:33:02 am by shooter |
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Newbie Questions on 5F2A build
Started by Bangy |
14 Replies
4666 Views |
December 09, 2016, 09:15:45 pm by shooter |
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Half power switch idea... crazy?
Started by jjjtttggg |
9 Replies
4253 Views |
December 09, 2016, 08:46:46 am by kagliostro |
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Princeton Reverb blowing fuses RESOLVED
Started by makingnoise88 « 1 2 3 » |
102 Replies
22886 Views |
December 09, 2016, 06:52:50 am by makingnoise88 |
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Boogie Lone Star issues. Advice needed!
Started by frpax |
5 Replies
4418 Views |
December 08, 2016, 10:10:40 pm by frpax |
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heater schem question
Started by J Rindt |
11 Replies
3695 Views |
December 08, 2016, 06:59:36 pm by J Rindt |
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2 Replies
2995 Views |
December 08, 2016, 03:16:59 pm by Planobilly |
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Can i use 1R on el84 cathode same as 6V6 ?
Started by 12AX7 |
9 Replies
4670 Views |
December 08, 2016, 09:57:14 am by HotBluePlates |
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5 Replies
2979 Views |
December 07, 2016, 08:17:31 pm by eleventeen |
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Tube pre amp into SS power section
Started by dunner84 |
2 Replies
2700 Views |
December 07, 2016, 07:52:44 pm by MakerDP |
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12AX7 - 8 pin sub
Started by TIMBO |
42 Replies
10335 Views |
December 07, 2016, 04:09:02 pm by tubenit |
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A Stronger One tube Reverb with a SF ?
Started by kagliostro |
13 Replies
7239 Views |
December 07, 2016, 11:48:02 am by kagliostro |
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Tube Rectifier Power Supply with No Load
Started by Zarrir |
2 Replies
2771 Views |
December 06, 2016, 10:05:11 pm by Zarrir |
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Help please newbie builder alpha pots
Started by Bangy |
2 Replies
2852 Views |
December 06, 2016, 07:32:24 pm by Bangy |
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12au7 heater problem
Started by fossilshark |
13 Replies
6161 Views |
December 06, 2016, 06:34:56 pm by pompeiisneaks |
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9 Replies
4901 Views |
December 06, 2016, 02:54:55 pm by goldstache |
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F&T wierdness
Started by 12AX7 |
9 Replies
4088 Views |
December 06, 2016, 02:19:40 pm by 12AX7 |
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Low Powered Tweed Twin Issues - Help...
Started by p2pAmps |
13 Replies
5213 Views |
December 06, 2016, 01:17:35 pm by p2pAmps |
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Newcomb P-10-A
Started by Blind Lemon |
10 Replies
5250 Views |
December 06, 2016, 12:47:15 pm by eleventeen |
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Pp 6aq5 pt
Started by Scsoul |
8 Replies
4707 Views |
December 06, 2016, 12:16:10 pm by Scsoul |
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5 Replies
3824 Views |
December 06, 2016, 11:47:08 am by Bangy |
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Hotrod Deluxe III Weak Clean Channel
Started by dpm309 |
5 Replies
2928 Views |
December 05, 2016, 03:43:53 pm by dpm309 |
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JCM800 Preamp 6v6 Push Pull
Started by mwelch55 |
10 Replies
6059 Views |
December 05, 2016, 01:59:58 pm by HotBluePlates |
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3 Replies
2499 Views |
December 05, 2016, 08:52:02 am by shooter |
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