Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 08:37:21 pm
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 08:37:21 pm | ||
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12 Replies
4330 Views |
December 19, 2016, 07:18:55 pmby shooter |
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4 Replies
4781 Views |
December 19, 2016, 04:16:01 pm by Ed_Chambley |
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Voltage drop and compression
Started by Auke Jolman |
23 Replies
6063 Views |
December 18, 2016, 07:26:30 pm by pompeiisneaks |
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Is it possible....
Started by 12AX7 |
3 Replies
4064 Views |
December 18, 2016, 04:49:30 pm by 12AX7 |
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Power Supply Capacitors
Started by upnorth2 |
2 Replies
3413 Views |
December 18, 2016, 04:09:57 pm by upnorth2 |
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peavey 6505+ head
Started by J Rindt |
4 Replies
4640 Views |
December 18, 2016, 08:55:40 am by shooter |
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15 Replies
8833 Views |
December 18, 2016, 05:05:05 am by tubenit |
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Grid Leak Resistors
Started by hesamadman |
7 Replies
13416 Views |
December 17, 2016, 07:01:59 pm by jjasilli |
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Melvin Leibowitz EL84 HiFi?
Started by Zarrir |
4 Replies
4686 Views |
December 17, 2016, 01:13:13 pm by jjasilli |
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circuit understanding?
Started by shooter |
15 Replies
5069 Views |
December 17, 2016, 08:45:11 am by shooter |
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Bias question
Started by SacDave |
11 Replies
4618 Views |
December 16, 2016, 08:16:27 pm by PRR |
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27 Replies
8742 Views |
December 16, 2016, 08:16:14 pm by rlh5599 |
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OT Position compromise
Started by dennyg |
1 Replies
3543 Views |
December 16, 2016, 01:33:26 pm by PRR |
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100-200w Valve Junior
Started by WintersHarvest |
16 Replies
9299 Views |
December 15, 2016, 04:07:19 pm by BetterOffShred |
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2 Replies
3362 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
5763 Views |
December 15, 2016, 12:48:30 pm by Big_Mike |
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A very peculiar thing...
Started by hesamadman |
8 Replies
4238 Views |
December 14, 2016, 08:21:14 pm by 12AX7 |
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24 Replies
9384 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
4332 Views |
December 14, 2016, 10:07:17 am by pompeiisneaks |
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9 Replies
6340 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
6081 Views |
December 14, 2016, 01:41:10 am by silverfox |
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11 Replies
5591 Views |
December 13, 2016, 08:30:24 am by kagliostro |
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2 Replies
3249 Views |
December 12, 2016, 06:12:46 pm by Planobilly |
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Newbie Builder
Started by manofgod4life |
11 Replies
4818 Views |
December 12, 2016, 01:32:46 pm by sluckey |
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High Voltage 6L6 SE
Started by TIMBO |
27 Replies
13842 Views |
December 12, 2016, 01:19:30 pm by TIMBO |
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JCM800 Heater/Tube Issue
Started by dbray6714 |
9 Replies
4674 Views |
December 12, 2016, 12:31:45 pm by sluckey |
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AB763 grounding question
Started by Planobilly |
3 Replies
3462 Views |
December 12, 2016, 09:25:48 am by Planobilly |
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8 Replies
4822 Views |
December 11, 2016, 10:26:57 pm by Leevi |
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Single ended el34 amp
Started by fossilshark |
35 Replies
31553 Views |
December 11, 2016, 10:10:53 pm by frankenxtein |
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Transformer voltage readings
Started by fossilshark |
2 Replies
3618 Views |
December 11, 2016, 09:08:49 pm by Willabe |
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Tweed Super 5E4A tweaking
Started by SleepLess |
35 Replies
12690 Views |
December 11, 2016, 05:49:48 pm by HotBluePlates |
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Amp for steel guitar
Started by Leevi |
28 Replies
10328 Views |
December 11, 2016, 02:02:58 pm by Leevi |
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16 Replies
10556 Views |
December 11, 2016, 12:45:53 pm by steelerfan88 |
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grid bias resistor value 6V6
Started by 12AX7 |
7 Replies
8077 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
4909 Views |
December 11, 2016, 11:14:39 am by HotBluePlates |
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7 Replies
4099 Views |
December 11, 2016, 10:08:07 am by Bangy |
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7 Replies
4836 Views |
December 11, 2016, 09:33:02 am by shooter |
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Newbie Questions on 5F2A build
Started by Bangy |
14 Replies
5696 Views |
December 09, 2016, 09:15:45 pm by shooter |
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Half power switch idea... crazy?
Started by jjjtttggg |
9 Replies
5272 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
25755 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
5151 Views |
December 08, 2016, 10:10:40 pm by frpax |
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heater schem question
Started by J Rindt |
11 Replies
4482 Views |
December 08, 2016, 06:59:36 pm by J Rindt |
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2 Replies
4001 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
5790 Views |
December 08, 2016, 09:57:14 am by HotBluePlates |
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5 Replies
3768 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
3569 Views |
December 07, 2016, 07:52:44 pm by MakerDP |
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12AX7 - 8 pin sub
Started by TIMBO |
42 Replies
11724 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
8367 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
3572 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
3501 Views |
December 06, 2016, 07:32:24 pm by Bangy |
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