Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 08:07:59 am
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 08:07:59 am | ||
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8 Replies
4688 Views |
January 28, 2014, 04:12:14 pmby kagliostro |
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Need opinions please on an odd issue..
Started by jukelemon |
12 Replies
5279 Views |
January 28, 2014, 12:22:52 pm by jukelemon |
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5E3 sizzle YT video Diagnosed!!
Started by Bdimb |
3 Replies
3368 Views |
January 28, 2014, 10:26:53 am by Bdimb |
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17 Replies
6175 Views |
January 27, 2014, 01:16:44 pm by Jack_Hester |
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102 Replies
30207 Views |
January 26, 2014, 11:48:15 pm by Platefire |
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Blues Deville Lack of output volume
Started by shortfuse |
24 Replies
10752 Views |
January 26, 2014, 12:47:01 am by shortfuse |
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ac50, joe piazza schematic questions
Started by mols |
22 Replies
9894 Views |
January 25, 2014, 12:25:48 am by SoundmasterG |
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15 Replies
6669 Views |
January 24, 2014, 05:05:58 pm by plexi50 |
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Requested Build, 63 Clone Brownface
Started by Ed_Chambley |
7 Replies
4217 Views |
January 24, 2014, 04:46:38 pm by Ed_Chambley |
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11 Replies
5421 Views |
January 24, 2014, 12:27:07 pm by eleventeen |
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light bulb noise reduction issues
Started by guntherbuffalo |
27 Replies
11287 Views |
January 24, 2014, 10:16:15 am by kagliostro |
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Quad Reverb bias conversion?
Started by Mars-Hall |
17 Replies
6077 Views |
January 24, 2014, 12:58:55 am by PRR |
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7 Replies
4173 Views |
January 24, 2014, 12:48:08 am by PRR |
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5F11 Tweed Vibrolux... Coupling caps...
Started by Phil_Tre |
13 Replies
9403 Views |
January 23, 2014, 09:59:36 pm by HotBluePlates |
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Fisher 500
Started by ernie_jr |
5 Replies
3669 Views |
January 23, 2014, 03:48:28 pm by stratele52 |
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8 Replies
4964 Views |
January 23, 2014, 09:20:37 am by kagliostro |
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Noisy 12AY7 in Bassman 5F6-A
Started by vincenzo |
43 Replies
11944 Views |
January 23, 2014, 09:03:44 am by sluckey |
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Plexi-2203 Marshall wantobe
Started by printer2 |
3 Replies
3646 Views |
January 21, 2014, 10:51:08 pm by printer2 |
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'68 SUper reverb anomalies
Started by Underwood |
2 Replies
2883 Views |
January 21, 2014, 07:13:44 pm by Underwood |
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43 Replies
13084 Views |
January 21, 2014, 10:52:18 am by Willabe |
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Voltage Doubler using a Recto Tube
Started by Jack1962 |
15 Replies
8206 Views |
January 21, 2014, 03:20:34 am by SoundmasterG |
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6L6GC tube testing
Started by dscottguitars |
6 Replies
5999 Views |
January 20, 2014, 06:41:30 pm by dscottguitars |
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19 Replies
7080 Views |
January 20, 2014, 09:14:47 am by terminalgs |
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17 Replies
8138 Views |
January 20, 2014, 01:32:09 am by Toxophilite |
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18 Replies
8051 Views |
January 19, 2014, 09:17:19 pm by Willabe |
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6 Replies
4989 Views |
January 19, 2014, 01:28:56 pm by sluckey |
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32 Replies
15357 Views |
January 19, 2014, 01:24:50 pm by thelonious |
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Outrageous freebie
Started by eleventeen |
11 Replies
5659 Views |
January 19, 2014, 01:04:03 am by Toxophilite |
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Tweed Pro 5e5a cathode/fixed bias switch
Started by TubeGeek |
8 Replies
6842 Views |
January 19, 2014, 12:22:54 am by TubeGeek |
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Bias Supply - Can be done this way ???
Started by kagliostro |
6 Replies
3929 Views |
January 18, 2014, 11:57:55 am by kagliostro |
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Cathode bias EL34 power amp
Started by Tone Junkie |
25 Replies
16084 Views |
January 17, 2014, 03:47:07 am by Tone Junkie |
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Silvertone 1484 speakers
Started by TubeGeek |
5 Replies
3733 Views |
January 17, 2014, 02:34:25 am by SoundmasterG |
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7 Replies
4482 Views |
January 16, 2014, 10:01:10 pm by Toxophilite |
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5 Replies
4100 Views |
January 16, 2014, 01:28:31 am by kagliostro |
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6BR7 & 6BS7 pentodes.
Started by DummyLoad |
4 Replies
6589 Views |
January 15, 2014, 10:11:17 pm by zendragon63 |
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Power transformer for tube preamp/DI
Started by Keppy |
23 Replies
11300 Views |
January 15, 2014, 07:48:38 pm by Keppy |
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Univox Tremolo..
Started by Jack_Hester |
12 Replies
5636 Views |
January 15, 2014, 04:01:39 pm by Willabe |
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Today's Haul
Started by Toxophilite |
18 Replies
6106 Views |
January 15, 2014, 02:03:21 pm by Toxophilite |
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input jack resistor
Started by Underwood |
3 Replies
2579 Views |
January 15, 2014, 11:46:26 am by thelonious |
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9 Replies
4537 Views |
January 15, 2014, 07:58:59 am by stratele52 |
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Too much B+ ??
Started by Toxophilite |
18 Replies
8071 Views |
January 15, 2014, 02:46:20 am by Toxophilite |
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Mosfet CF FX
Started by tubenit |
9 Replies
5232 Views |
January 14, 2014, 05:54:52 pm by HotBluePlates |
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Is this a real active Baxandall TS ?
Started by kagliostro |
2 Replies
2551 Views |
January 14, 2014, 07:42:19 am by kagliostro |
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fender 5e3
Started by roadking |
21 Replies
6974 Views |
January 14, 2014, 12:15:00 am by PRR |
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Guild 66-J Amp..........
Started by Jack_Hester |
18 Replies
10647 Views |
January 13, 2014, 07:58:44 pm by Steve_P |
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Checking Bias on a 5F6A
Started by dpm309 |
14 Replies
5350 Views |
January 12, 2014, 11:40:04 am by sluckey |
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Overall output questions?
Started by Speakz |
5 Replies
3095 Views |
January 11, 2014, 09:31:12 pm by HotBluePlates |
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Hudson SJ and TOSII in action
Started by TIMBO |
8 Replies
4252 Views |
January 11, 2014, 07:14:38 pm by TIMBO |
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48 Replies
16150 Views |
January 11, 2014, 05:46:37 pm by foghornleghorn |
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New amp build.....input wanted!
Started by Stankfut |
19 Replies
8576 Views |
January 11, 2014, 05:42:30 pm by Willabe |
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