Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 08:50:24 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 08:50:24 am | ||
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Tonebox
Started by Sonny ReVerb |
39 Replies
8879 Views |
December 25, 2016, 02:07:18 pmby Zarrir |
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1967 Super Reverb Blackface Tranny change?
Started by Oddvar |
5 Replies
2426 Views |
December 24, 2016, 02:55:21 pm by Oddvar |
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Initial Bias adjustments
Started by jaster55 |
2 Replies
1820 Views |
December 24, 2016, 07:25:47 am by HotBluePlates |
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5 Replies
2130 Views |
December 24, 2016, 05:53:42 am by kagliostro |
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coupling caps n DC
Started by shooter |
25 Replies
5292 Views |
December 23, 2016, 09:09:20 pm by shooter |
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AA864 turret board, which one to use?
Started by mozz |
10 Replies
3411 Views |
December 23, 2016, 08:23:54 pm by EL34 |
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5F2A Little to no noise.
Started by makingnoise88 |
11 Replies
3226 Views |
December 23, 2016, 07:44:28 am by makingnoise88 |
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17 Replies
7242 Views |
December 22, 2016, 11:57:57 pm by pompeiisneaks |
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Temporary rectifier swap
Started by dunner84 |
4 Replies
1861 Views |
December 22, 2016, 01:47:44 pm by dunner84 |
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6 Replies
2396 Views |
December 22, 2016, 07:55:42 am by goldstache |
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17 Replies
9344 Views |
December 21, 2016, 05:23:15 pm by Ritchie200 |
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2 Replies
2824 Views |
December 21, 2016, 12:15:28 pm by BetterOffShred |
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Photo of the Deluxe Reverb
Started by Planobilly |
9 Replies
2600 Views |
December 21, 2016, 12:30:44 am by TIMBO |
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3 Replies
1696 Views |
December 19, 2016, 07:39:53 pm by Planobilly |
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12 Replies
2370 Views |
December 19, 2016, 07:18:55 pm by shooter |
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4 Replies
3118 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
3958 Views |
December 18, 2016, 07:26:30 pm by pompeiisneaks |
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Is it possible....
Started by 12AX7 |
3 Replies
2075 Views |
December 18, 2016, 04:49:30 pm by 12AX7 |
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Power Supply Capacitors
Started by upnorth2 |
2 Replies
1743 Views |
December 18, 2016, 04:09:57 pm by upnorth2 |
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peavey 6505+ head
Started by J Rindt |
4 Replies
2516 Views |
December 18, 2016, 08:55:40 am by shooter |
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15 Replies
5969 Views |
December 18, 2016, 05:05:05 am by tubenit |
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Grid Leak Resistors
Started by hesamadman |
7 Replies
11309 Views |
December 17, 2016, 07:01:59 pm by jjasilli |
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Melvin Leibowitz EL84 HiFi?
Started by Zarrir |
4 Replies
2788 Views |
December 17, 2016, 01:13:13 pm by jjasilli |
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circuit understanding?
Started by shooter |
15 Replies
2769 Views |
December 17, 2016, 08:45:11 am by shooter |
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Bias question
Started by SacDave |
11 Replies
2564 Views |
December 16, 2016, 08:16:27 pm by PRR |
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27 Replies
6019 Views |
December 16, 2016, 08:16:14 pm by rlh5599 |
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OT Position compromise
Started by dennyg |
1 Replies
1837 Views |
December 16, 2016, 01:33:26 pm by PRR |
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100-200w Valve Junior
Started by WintersHarvest |
16 Replies
5797 Views |
December 15, 2016, 04:07:19 pm by BetterOffShred |
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2 Replies
1823 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
3771 Views |
December 15, 2016, 12:48:30 pm by Big_Mike |
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A very peculiar thing...
Started by hesamadman |
8 Replies
2451 Views |
December 14, 2016, 08:21:14 pm by 12AX7 |
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24 Replies
5875 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
2770 Views |
December 14, 2016, 10:07:17 am by pompeiisneaks |
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9 Replies
4236 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
3566 Views |
December 14, 2016, 01:41:10 am by silverfox |
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11 Replies
3278 Views |
December 13, 2016, 08:30:24 am by kagliostro |
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2 Replies
1812 Views |
December 12, 2016, 06:12:46 pm by Planobilly |
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Newbie Builder
Started by manofgod4life |
11 Replies
2821 Views |
December 12, 2016, 01:32:46 pm by sluckey |
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High Voltage 6L6 SE
Started by TIMBO |
27 Replies
10345 Views |
December 12, 2016, 01:19:30 pm by TIMBO |
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JCM800 Heater/Tube Issue
Started by dbray6714 |
9 Replies
2690 Views |
December 12, 2016, 12:31:45 pm by sluckey |
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AB763 grounding question
Started by Planobilly |
3 Replies
1988 Views |
December 12, 2016, 09:25:48 am by Planobilly |
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8 Replies
2623 Views |
December 11, 2016, 10:26:57 pm by Leevi |
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Single ended el34 amp
Started by fossilshark |
35 Replies
27135 Views |
December 11, 2016, 10:10:53 pm by frankenxtein |
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Transformer voltage readings
Started by fossilshark |
2 Replies
1959 Views |
December 11, 2016, 09:08:49 pm by Willabe |
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Tweed Super 5E4A tweaking
Started by SleepLess |
35 Replies
8801 Views |
December 11, 2016, 05:49:48 pm by HotBluePlates |
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Amp for steel guitar
Started by Leevi |
28 Replies
6778 Views |
December 11, 2016, 02:02:58 pm by Leevi |
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16 Replies
7761 Views |
December 11, 2016, 12:45:53 pm by steelerfan88 |
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grid bias resistor value 6V6
Started by 12AX7 |
7 Replies
5487 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
2829 Views |
December 11, 2016, 11:14:39 am by HotBluePlates |
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7 Replies
2360 Views |
December 11, 2016, 10:08:07 am by Bangy |
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