Welcome To the Hoffman Amplifiers Forum
September 08, 2026, 03:40:04 pm
Welcome To the Hoffman Amplifiers ForumSeptember 08, 2026, 03:40:04 pm | ||
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| HexEnduction and 125 Guests are viewing this board. | ||||
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L pad passive attenuator
Started by Snake5150 |
3 Replies
4147 Views |
February 28, 2025, 06:28:20 pmby Merlin |
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8 Replies
5069 Views |
February 28, 2025, 01:37:49 pm by Redwood |
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Help identifying heavy hum
Started by kasperbergholt |
7 Replies
5140 Views |
February 28, 2025, 01:28:28 pm by tubeswell |
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9 Replies
6023 Views |
February 28, 2025, 12:15:59 pm by shooter |
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Triwec Output Transformer info needed
Started by wsscott |
3 Replies
4107 Views |
February 28, 2025, 08:09:51 am by wsscott |
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My First Tube Amp Build
Started by mar2112 |
9 Replies
5416 Views |
February 27, 2025, 10:16:25 pm by mar2112 |
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3 Prong Grounded Cord Reference
Started by plexi50 |
4 Replies
4609 Views |
February 27, 2025, 09:23:37 am by jjasilli |
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Testing output transformer
Started by fossilshark |
2 Replies
4268 Views |
February 26, 2025, 02:16:09 pm by kagliostro |
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134 Replies
43918 Views |
February 25, 2025, 07:55:54 pm by Richs1979 |
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23 Replies
9317 Views |
February 25, 2025, 07:38:36 pm by Willabe |
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Fender Custom 68’ Pro Reverb findings
Started by goldstache |
0 Replies
7458 Views |
February 25, 2025, 05:16:35 pm by goldstache |
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DIY attenuator build
Started by Snake5150 |
11 Replies
6445 Views |
February 25, 2025, 11:42:19 am by 66Strat |
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capactior/ ESR meter recommendations
Started by joesatch |
3 Replies
4639 Views |
February 25, 2025, 10:50:20 am by Willabe |
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Fixed biasing el84s
Started by jordan86 |
8 Replies
6124 Views |
February 25, 2025, 05:46:40 am by Merlin |
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Master volume and grid leak resistors
Started by Snake5150 |
2 Replies
4236 Views |
February 25, 2025, 04:28:26 am by tubeswell |
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Matchless Clubman build
Started by didierleclair |
11 Replies
6880 Views |
February 24, 2025, 06:25:19 pm by pdf64 |
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DuKane Super Amp Build
Started by dmp |
2 Replies
3881 Views |
February 24, 2025, 11:49:30 am by dmp |
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Impedance selector wiring
Started by Snake5150 |
1 Replies
3811 Views |
February 23, 2025, 04:01:16 pm by SEL49 |
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Silvertone 1472 0n the bench(Platefire)
Started by rafe |
27 Replies
8987 Views |
February 23, 2025, 02:45:00 pm by Platefire |
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Power Supply Issue
Started by TomG |
6 Replies
4578 Views |
February 22, 2025, 08:10:54 pm by TomG |
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Reverb Circuit Recommendations
Started by Thisismyname |
12 Replies
6956 Views |
February 22, 2025, 10:06:18 am by Thisismyname |
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lubricating a sliding eq
Started by pbman1953 |
5 Replies
4398 Views |
February 22, 2025, 08:16:28 am by shooter |
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super original 64 vibrochamp recap??
Started by bullkelp |
33 Replies
9968 Views |
February 22, 2025, 02:56:52 am by Latole |
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8K OT with EL34's how?
Started by joesatch |
26 Replies
9015 Views |
February 21, 2025, 11:07:53 am by jojokeo |
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Early Gibson GA 40 Foot Switch Wiring
Started by plexi50 |
14 Replies
11407 Views |
February 20, 2025, 01:01:58 pm by Platefire |
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2 Replies
4353 Views |
February 20, 2025, 08:50:33 am by Lauri |
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Parallel v1 guidance
Started by joesatch |
6 Replies
5248 Views |
February 19, 2025, 11:35:51 pm by tubeswell |
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Hiss at idle ... ideas?
Started by Diverted |
9 Replies
5461 Views |
February 18, 2025, 02:48:32 pm by Willabe |
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Buguera G5 Infinium bad work
Started by J. Ignacio |
15 Replies
6867 Views |
February 18, 2025, 07:57:19 am by ac427v |
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Jtm 45 tone stack
Started by Snake5150 |
23 Replies
9930 Views |
February 17, 2025, 09:18:54 pm by Snake5150 |
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5e3 Adjustable Cathode Resistor Mod
Started by SteveInMN |
17 Replies
8422 Views |
February 16, 2025, 12:07:48 pm by SEL49 |
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'63 Tremolux with scratchy pots
Started by SteveInMN |
13 Replies
6447 Views |
February 16, 2025, 10:10:24 am by SteveInMN |
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Fender 6G4A Super / Intensity Pot Pop!
Started by plexi50 |
49 Replies
14084 Views |
February 15, 2025, 03:30:27 pm by plexi50 |
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42 Replies
15216 Views |
February 14, 2025, 02:51:44 pm by Woodrow F Call |
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V2 tube in blues junior conversion
Started by playindabluz |
4 Replies
4192 Views |
February 13, 2025, 06:41:31 pm by stratomaster |
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Super loud buzz, New PR build
Started by Ash Telecaster |
25 Replies
8200 Views |
February 13, 2025, 12:36:49 pm by shooter |
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3 Replies
4066 Views |
February 13, 2025, 09:47:59 am by helloraph |
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9 Replies
5917 Views |
February 13, 2025, 12:39:01 am by fkadi |
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Bugera 333xl-212 Infinium schematic
Started by matt mincer |
6 Replies
12374 Views |
February 12, 2025, 08:26:28 am by GENOVA AMPLIFICADORES |
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6g15 power transformer
Started by Bluemolded85 |
17 Replies
7557 Views |
February 11, 2025, 11:06:17 pm by Bluemolded85 |
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6g15 'Seaverb' build
Started by bullkelp |
22 Replies
7615 Views |
February 11, 2025, 04:52:17 pm by HotBluePlates |
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6G2 effect loop issue
Started by Leevi |
23 Replies
8105 Views |
February 11, 2025, 11:45:07 am by Leevi |
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Half power switch question
Started by markmalin |
11 Replies
10160 Views |
February 11, 2025, 06:18:20 am by Merlin |
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Ab763 build with original drri pt
Started by a_e_a |
27 Replies
8388 Views |
February 11, 2025, 12:25:17 am by a_e_a |
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6 Replies
5355 Views |
February 10, 2025, 10:53:28 pm by plexi50 |
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23 Replies
9473 Views |
February 10, 2025, 09:53:25 pm by AlNewman |
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spliting plate load resistors
Started by Jonas |
2 Replies
3930 Views |
February 10, 2025, 09:02:26 pm by stratomaster |
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Cathode biased PR Build and thanks
Started by J3ona1 |
1 Replies
3692 Views |
February 10, 2025, 06:59:29 am by J3ona1 |
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45 Replies
26302 Views |
February 09, 2025, 07:15:20 pm by HotBluePlates |
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Probably a stupid bias question
Started by Snake5150 |
3 Replies
4252 Views |
February 09, 2025, 03:30:58 am by Latole |
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