Welcome To the Hoffman Amplifiers Forum
October 23, 2025, 08:19:03 pm
Welcome To the Hoffman Amplifiers ForumOctober 23, 2025, 08:19:03 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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Outrageous freebie
Started by eleventeen |
11 Replies
4294 Views |
January 19, 2014, 01:04:03 amby Toxophilite |
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Tweed Pro 5e5a cathode/fixed bias switch
Started by TubeGeek |
8 Replies
5885 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
3186 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
13654 Views |
January 17, 2014, 03:47:07 am by Tone Junkie |
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Silvertone 1484 speakers
Started by TubeGeek |
5 Replies
2780 Views |
January 17, 2014, 02:34:25 am by SoundmasterG |
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7 Replies
3436 Views |
January 16, 2014, 10:01:10 pm by Toxophilite |
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5 Replies
3395 Views |
January 16, 2014, 01:28:31 am by kagliostro |
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6BR7 & 6BS7 pentodes.
Started by DummyLoad |
4 Replies
5592 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
9577 Views |
January 15, 2014, 07:48:38 pm by Keppy |
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Univox Tremolo..
Started by Jack_Hester |
12 Replies
4454 Views |
January 15, 2014, 04:01:39 pm by Willabe |
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Today's Haul
Started by Toxophilite |
18 Replies
4742 Views |
January 15, 2014, 02:03:21 pm by Toxophilite |
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input jack resistor
Started by Underwood |
3 Replies
1950 Views |
January 15, 2014, 11:46:26 am by thelonious |
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9 Replies
3280 Views |
January 15, 2014, 07:58:59 am by stratele52 |
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Too much B+ ??
Started by Toxophilite |
18 Replies
6782 Views |
January 15, 2014, 02:46:20 am by Toxophilite |
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Mosfet CF FX
Started by tubenit |
9 Replies
4198 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
1885 Views |
January 14, 2014, 07:42:19 am by kagliostro |
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fender 5e3
Started by roadking |
21 Replies
5570 Views |
January 14, 2014, 12:15:00 am by PRR |
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Guild 66-J Amp..........
Started by Jack_Hester |
18 Replies
8913 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
4370 Views |
January 12, 2014, 11:40:04 am by sluckey |
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Overall output questions?
Started by Speakz |
5 Replies
2400 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
3285 Views |
January 11, 2014, 07:14:38 pm by TIMBO |
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48 Replies
13365 Views |
January 11, 2014, 05:46:37 pm by foghornleghorn |
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New amp build.....input wanted!
Started by Stankfut |
19 Replies
6768 Views |
January 11, 2014, 05:42:30 pm by Willabe |
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Correct primary impedance for a GA-20 OT
Started by john59 |
3 Replies
1940 Views |
January 11, 2014, 12:11:29 am by jazbo8 |
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Silver Jubilee Lite
Started by TIMBO |
0 Replies
1706 Views |
January 10, 2014, 06:28:52 pm by TIMBO |
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Bass boost switch on brown deluxe?
Started by Quatro |
8 Replies
3128 Views |
January 10, 2014, 12:47:00 am by sluckey |
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Help with my Mesa MarkIIB
Started by Marcus |
2 Replies
1859 Views |
January 09, 2014, 05:20:30 pm by stratele52 |
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Peavey Road Master Hack
Started by silverfox |
7 Replies
3819 Views |
January 09, 2014, 02:55:52 pm by silverfox |
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Master volume pot taper.
Started by FranciscoPerez |
27 Replies
6692 Views |
January 09, 2014, 10:45:38 am by thelonious |
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Unfair Bias ?
Started by Toxophilite |
21 Replies
5782 Views |
January 09, 2014, 03:25:19 am by Toxophilite |
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811 insanity
Started by 6G6 |
11 Replies
3839 Views |
January 08, 2014, 09:11:45 pm by PRR |
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Amp weirdness
Started by 3choplex |
6 Replies
2652 Views |
January 08, 2014, 05:24:43 pm by Platefire |
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134 Replies
34470 Views |
January 08, 2014, 05:20:34 pm by plexi50 |
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Stumped on a 5f11
Started by jukelemon |
11 Replies
4718 Views |
January 08, 2014, 01:22:22 pm by stratele52 |
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New Tube Market Survey
Started by plexi50 |
1 Replies
1918 Views |
January 08, 2014, 12:21:33 am by HotBluePlates |
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WARNING!!!(3 prong cords)
Started by jeff |
6 Replies
2764 Views |
January 07, 2014, 08:25:40 pm by Stankfut |
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Transformers .......in disguise
Started by Toxophilite |
8 Replies
3174 Views |
January 07, 2014, 07:24:08 pm by Toxophilite |
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10 Replies
3629 Views |
January 07, 2014, 02:07:34 pm by kagliostro |
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12 Replies
6290 Views |
January 07, 2014, 09:35:30 am by FranciscoPerez |
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old orange drops
Started by ernie_jr |
2 Replies
2283 Views |
January 07, 2014, 03:03:09 am by SoundmasterG |
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18 Replies
9705 Views |
January 07, 2014, 12:23:20 am by chocopower |
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68 Replies
20254 Views |
January 06, 2014, 05:40:03 pm by Willabe |
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8 Replies
6689 Views |
January 06, 2014, 05:24:26 pm by kagliostro |
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13 Replies
4610 Views |
January 06, 2014, 01:46:29 pm by HotBluePlates |
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2 Replies
2564 Views |
January 06, 2014, 12:52:59 pm by x44d80 |
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all-tube guitar headphone amp.
Started by arjepsen |
5 Replies
4954 Views |
January 06, 2014, 12:40:15 pm by kagliostro |
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isolation transformer question.
Started by jeff |
8 Replies
2994 Views |
January 06, 2014, 12:28:32 pm by jjasilli |
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pre-amp ?'s
Started by shooter |
9 Replies
3661 Views |
January 06, 2014, 11:34:00 am by shooter |
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12 Replies
3806 Views |
January 06, 2014, 11:24:20 am by eleventeen |
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Should I use .001 instead of .0005?
Started by hesamadman |
4 Replies
2096 Views |
January 06, 2014, 03:11:07 am by stratele52 |
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