Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 10:31:35 am
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 10:31:35 am | ||
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| Saturnine and 31 Guests are viewing this board. | ||||
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Ampeg J12R re-issue runs zero bias?
Started by Tiny_Daddy |
6 Replies
5447 Views |
April 14, 2012, 08:13:33 pmby Tiny_Daddy |
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Doug's AB763 Tremolo{here we-go}
Started by goldtop1 |
2 Replies
4263 Views |
April 14, 2012, 01:54:24 pm by goldtop1 |
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Dual Bias or Bias and balance
Started by Ed_Chambley |
7 Replies
6105 Views |
April 13, 2012, 09:18:06 am by Ed_Chambley |
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Gibson GA20 w/9 pin preamp tubes
Started by davohilts |
6 Replies
5354 Views |
April 13, 2012, 04:38:53 am by Shrapnel |
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1950's Mathes Tube Amp Console
Started by plexi50 |
6 Replies
7514 Views |
April 11, 2012, 07:42:12 pm by plexi50 |
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500V on reverb plate
Started by Colas LeGrippa |
14 Replies
8575 Views |
April 11, 2012, 04:17:32 pm by jerrydyer |
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Vibro-Champ/ Bronco trem into 5F1 Champ ?
Started by worth |
15 Replies
10889 Views |
April 11, 2012, 02:00:38 pm by balcorn80 |
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Dead choke?
Started by chocopower |
5 Replies
4978 Views |
April 11, 2012, 09:46:38 am by chocopower |
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SOVTEK MIG 50 questions
Started by Colas LeGrippa |
10 Replies
6944 Views |
April 11, 2012, 07:19:46 am by Colas LeGrippa |
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5 Replies
4687 Views |
April 10, 2012, 02:40:37 pm by Packerswin14 |
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24 Replies
15924 Views |
April 10, 2012, 12:31:11 pm by John |
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4 Replies
6006 Views |
April 09, 2012, 04:38:24 pm by phsyconoodler |
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2 Replies
4158 Views |
April 09, 2012, 01:22:17 pm by archaos |
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Sovtek Mig 50 Bias
Started by plexi50 |
14 Replies
13670 Views |
April 09, 2012, 08:54:38 am by Colas LeGrippa |
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6 Replies
5552 Views |
April 09, 2012, 07:02:55 am by EL34 |
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TOS " FATT PLUS"
Started by TIMBO |
4 Replies
4504 Views |
April 09, 2012, 05:29:47 am by tubenit |
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ceramic disc capacitors
Started by bakerlite |
8 Replies
6503 Views |
April 08, 2012, 05:58:47 pm by HotBluePlates |
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5F2-A with VVR
Started by Leevi |
12 Replies
8034 Views |
April 08, 2012, 04:49:16 pm by Leevi |
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Plexi style front baffle
Started by navdave |
8 Replies
5978 Views |
April 08, 2012, 01:29:22 pm by tdvt |
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Vox AC30 vib-trem trouble shoot
Started by Quatro |
9 Replies
12095 Views |
April 08, 2012, 10:08:54 am by Quatro |
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74 Orange OR80
Started by ronco05 |
5 Replies
5326 Views |
April 07, 2012, 11:59:02 pm by The_Gaz |
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Bandmaster AB763 Trouble *RESOLVED*
Started by seedlings |
4 Replies
4948 Views |
April 07, 2012, 09:36:47 pm by Willabe |
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another VibroChamp problem
Started by mresistor |
4 Replies
4406 Views |
April 07, 2012, 06:14:54 pm by mresistor |
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Lancer 35RVT
Started by dpm309 |
19 Replies
9969 Views |
April 07, 2012, 11:58:07 am by dpm309 |
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5E3 works after 1 hour playing
Started by Leevi |
5 Replies
4974 Views |
April 06, 2012, 04:09:25 pm by archaos |
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Magnatone M10A with a hot transformer
Started by bsmif |
14 Replies
7781 Views |
April 06, 2012, 03:56:34 pm by bsmif |
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Input on chassis layout please
Started by hokenpoke |
8 Replies
5887 Views |
April 06, 2012, 12:26:17 pm by Willabe |
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State of emergency - please read
Started by EL34 |
1 Replies
4041 Views |
April 06, 2012, 11:13:59 am by EL34 |
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MOVED: RIP Jim Marshall
Started by EL34 |
0 Replies
3779 Views |
April 06, 2012, 11:13:20 am by EL34 |
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Best type of wire for ac into amp?
Started by frank57 |
8 Replies
5656 Views |
April 06, 2012, 08:33:40 am by tubeswell |
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34 Replies
19663 Views |
April 05, 2012, 07:49:57 pm by HotBluePlates |
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JTM45BB finished...and WOW!!
Started by Tsquared |
4 Replies
4220 Views |
April 05, 2012, 07:19:57 pm by HotBluePlates |
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4 Replies
5181 Views |
April 05, 2012, 04:15:04 pm by markmalin |
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SoLow Watt 12A_7
Started by tubenit |
15 Replies
14315 Views |
April 05, 2012, 02:32:50 pm by tubenit |
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no presence on Sound City 120
Started by telenorman |
10 Replies
8518 Views |
April 05, 2012, 12:01:41 pm by telenorman |
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VibroChamp buzzing
Started by mresistor |
4 Replies
4477 Views |
April 05, 2012, 11:04:00 am by mresistor |
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Fire in the hole!
Started by hokenpoke |
22 Replies
8666 Views |
April 04, 2012, 11:39:03 pm by Fresh_Start |
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3 Replies
4907 Views |
April 04, 2012, 12:06:35 pm by zambo |
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6v6 problems
Started by EKDENTON |
4 Replies
4801 Views |
April 04, 2012, 12:03:58 pm by EKDENTON |
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5E3 board wiring question
Started by olgoat |
12 Replies
6387 Views |
April 03, 2012, 03:46:51 pm by archaos |
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question about "immortal amp mod"
Started by norstroms |
6 Replies
5268 Views |
April 03, 2012, 03:34:29 pm by norstroms |
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3 Replies
5971 Views |
April 03, 2012, 01:14:03 pm by Fresh_Start |
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New fender tweed champ vs kits?
Started by 12AX7 |
18 Replies
21349 Views |
April 03, 2012, 09:06:57 am by echuta13 |
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Yet another 5E3...
Started by archaos |
14 Replies
8372 Views |
April 03, 2012, 01:58:22 am by archaos |
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5e3 hi/lo jack wiring from library
Started by olgoat |
1 Replies
4204 Views |
April 02, 2012, 11:27:30 pm by PRR |
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Schem Question
Started by J Rindt |
5 Replies
4766 Views |
April 02, 2012, 11:16:50 pm by PRR |
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30 Replies
13238 Views |
April 02, 2012, 10:02:11 pm by bnwitt |
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SUPER REVERB silver face MODS ?
Started by Colas LeGrippa |
5 Replies
5928 Views |
April 02, 2012, 09:21:58 pm by jojokeo |
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Understanding MA rating in PT
Started by Tone Junkie |
6 Replies
5899 Views |
April 02, 2012, 01:03:07 pm by Tone Junkie |
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100K from 120 AC power cord to chassis
Started by jeff |
8 Replies
6205 Views |
April 02, 2012, 05:55:42 am by jeff |
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