Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 04:16:23 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 04:16:23 pm | ||
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are these caps bad?
Started by pbman1953 |
36 Replies
9652 Views |
January 03, 2014, 08:28:56 amby pbman1953 |
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Mismatch power tube current balance
Started by TIMBO |
28 Replies
7099 Views |
January 03, 2014, 12:14:12 am by TIMBO |
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4 Replies
2344 Views |
January 02, 2014, 08:27:33 pm by Speakz |
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16 Replies
7642 Views |
January 02, 2014, 06:21:05 pm by Willabe |
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3 Replies
2015 Views |
January 02, 2014, 11:50:16 am by stratele52 |
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Reverb hum - pedal related
Started by osing |
13 Replies
3804 Views |
January 01, 2014, 07:10:18 pm by osing |
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Happy New Year!!!
Started by plexi50 |
8 Replies
3144 Views |
January 01, 2014, 12:07:00 pm by FranciscoPerez |
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Adding EMI filter to an amp?
Started by ncusack |
4 Replies
4936 Views |
January 01, 2014, 04:02:15 am by stratele52 |
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9 Replies
3698 Views |
December 31, 2013, 06:25:14 pm by HotBluePlates |
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Does dual bias really work to 'Match' tubes?
Started by Ed_Chambley « 1 2 » |
66 Replies
21556 Views |
December 31, 2013, 02:24:21 pm by Willabe |
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Why did Peavey do this ?
Started by floyd |
1 Replies
2291 Views |
December 30, 2013, 05:05:44 pm by PRR |
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Temperature of a 12AX7
Started by TIMBO |
14 Replies
6145 Views |
December 30, 2013, 04:25:57 pm by TIMBO |
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Brown Concert bias mod?
Started by Mars-Hall |
12 Replies
4336 Views |
December 29, 2013, 10:10:46 pm by eleventeen |
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Mo' Rock Special
Started by tubenit |
3 Replies
2201 Views |
December 29, 2013, 08:51:32 am by terminalgs |
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Newcomb Pathfinder E-10B
Started by SpareRibs |
22 Replies
10243 Views |
December 28, 2013, 10:05:59 pm by SpareRibs |
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Ampeg Superjet SJ12T (1990's)
Started by upnorth2 |
0 Replies
2870 Views |
December 28, 2013, 07:08:09 pm by upnorth2 |
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mosfet CF bootstrapped?
Started by tubenit |
19 Replies
7143 Views |
December 28, 2013, 01:54:19 am by kagliostro |
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New Tung Sol- KT's
Started by pbman1953 |
16 Replies
6514 Views |
December 26, 2013, 10:50:03 pm by Ritchie200 |
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quad 6bq5 build
Started by shooter |
14 Replies
5763 Views |
December 26, 2013, 12:24:41 pm by shooter |
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AA864 Bassman ?
Started by floyd |
7 Replies
6517 Views |
December 26, 2013, 11:50:09 am by Willabe |
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Note to all - Merry Christmas
Started by dude |
16 Replies
4531 Views |
December 26, 2013, 03:29:21 am by FranciscoPerez |
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26 Replies
6662 Views |
December 24, 2013, 03:31:48 pm by Cutter |
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56 Replies
17182 Views |
December 24, 2013, 09:09:18 am by tfrost |
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Blending two circuits
Started by TIMBO |
25 Replies
7104 Views |
December 23, 2013, 05:26:52 am by tubenit |
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Working on the back side of a Gibson circuit board?
Started by chuggy |
6 Replies
3108 Views |
December 22, 2013, 09:14:52 am by chuggy |
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Capacitor testing
Started by Guitarzan |
17 Replies
6828 Views |
December 22, 2013, 02:52:57 am by SoundmasterG |
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FX LOOP REVERB/VIBRATO
Started by TIMBO |
0 Replies
2197 Views |
December 22, 2013, 12:45:15 am by TIMBO |
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Hoffman amp parts 20yrs!
Started by PRR |
0 Replies
2011 Views |
December 20, 2013, 01:40:37 pm by PRR |
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1st P/P build, questions
Started by shooter |
20 Replies
6029 Views |
December 19, 2013, 11:50:07 pm by jjasilli |
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58 Replies
14376 Views |
December 18, 2013, 08:50:22 am by plexi50 |
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2 Replies
2358 Views |
December 18, 2013, 08:48:16 am by tubeswell |
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5B4/5C4/5C5 Build
Started by olgoat |
18 Replies
6866 Views |
December 18, 2013, 12:42:01 am by olgoat |
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90 year old Magnavox Amp
Started by P Batty |
16 Replies
5312 Views |
December 17, 2013, 08:51:12 pm by P Batty |
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AB763 hum and fix
Started by Leevi |
17 Replies
5947 Views |
December 17, 2013, 11:39:48 am by SILVERGUN |
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Newby 2550 build!
Started by Jaymz77 |
40 Replies
10902 Views |
December 17, 2013, 02:56:02 am by Jaymz77 |
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Transformer and valve protection
Started by JB |
17 Replies
7092 Views |
December 16, 2013, 05:13:05 pm by silverfox |
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deluxe reverb with el84s
Started by phsyconoodler |
4 Replies
2593 Views |
December 16, 2013, 05:07:55 pm by phsyconoodler |
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heater specs
Started by shooter |
5 Replies
2561 Views |
December 16, 2013, 01:43:28 pm by shooter |
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Peavey makeover
Started by floyd |
13 Replies
4039 Views |
December 16, 2013, 10:39:13 am by floyd |
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Delta Blues Half Watt Mod Help
Started by ncusack |
8 Replies
3576 Views |
December 14, 2013, 11:07:39 pm by HotBluePlates |
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12 Replies
10283 Views |
December 14, 2013, 12:22:33 pm by HotBluePlates |
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3 Replies
2436 Views |
December 14, 2013, 11:45:17 am by HotBluePlates |
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ampeg tone control
Started by ernie_jr |
10 Replies
3811 Views |
December 14, 2013, 09:50:43 am by ernie_jr |
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Why do we call the HT the B rail.
Started by drgonzonm |
3 Replies
2168 Views |
December 13, 2013, 03:35:08 pm by billcreller |
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High Gain for 5E3
Started by kingplank |
16 Replies
6443 Views |
December 13, 2013, 01:08:24 pm by kingplank |
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7 Replies
8593 Views |
December 13, 2013, 06:06:18 am by Ed_Chambley |
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5D6 Bassman Layout From Pics
Started by plexi50 |
18 Replies
8921 Views |
December 13, 2013, 01:27:58 am by DummyLoad |
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O.T. wiring
Started by chocopower |
10 Replies
3636 Views |
December 12, 2013, 03:09:58 pm by stratele52 |
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Specific capacitors for BFVR build?
Started by Speakz |
10 Replies
4181 Views |
December 12, 2013, 10:41:06 am by Ed_Chambley |
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Question for Sluckey
Started by kagliostro |
10 Replies
4203 Views |
December 10, 2013, 07:23:00 pm by sluckey |
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