Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 11:26:12 am
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 11:26:12 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 31 Guests are viewing this board. | ||||
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17 Replies
7870 Views |
January 27, 2014, 01:16:44 pmby Jack_Hester |
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102 Replies
35880 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
13098 Views |
January 26, 2014, 12:47:01 am by shortfuse |
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ac50, joe piazza schematic questions
Started by mols |
22 Replies
11567 Views |
January 25, 2014, 12:25:48 am by SoundmasterG |
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15 Replies
8106 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
5398 Views |
January 24, 2014, 04:46:38 pm by Ed_Chambley |
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11 Replies
6837 Views |
January 24, 2014, 12:27:07 pm by eleventeen |
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light bulb noise reduction issues
Started by guntherbuffalo |
27 Replies
14041 Views |
January 24, 2014, 10:16:15 am by kagliostro |
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Quad Reverb bias conversion?
Started by Mars-Hall |
17 Replies
7789 Views |
January 24, 2014, 12:58:55 am by PRR |
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7 Replies
5334 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
11576 Views |
January 23, 2014, 09:59:36 pm by HotBluePlates |
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Fisher 500
Started by ernie_jr |
5 Replies
4923 Views |
January 23, 2014, 03:48:28 pm by stratele52 |
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8 Replies
6210 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
15056 Views |
January 23, 2014, 09:03:44 am by sluckey |
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Plexi-2203 Marshall wantobe
Started by printer2 |
3 Replies
4653 Views |
January 21, 2014, 10:51:08 pm by printer2 |
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'68 SUper reverb anomalies
Started by Underwood |
2 Replies
3980 Views |
January 21, 2014, 07:13:44 pm by Underwood |
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43 Replies
16197 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
10173 Views |
January 21, 2014, 03:20:34 am by SoundmasterG |
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6L6GC tube testing
Started by dscottguitars |
6 Replies
7615 Views |
January 20, 2014, 06:41:30 pm by dscottguitars |
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19 Replies
8730 Views |
January 20, 2014, 09:14:47 am by terminalgs |
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17 Replies
10224 Views |
January 20, 2014, 01:32:09 am by Toxophilite |
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18 Replies
10180 Views |
January 19, 2014, 09:17:19 pm by Willabe |
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6 Replies
6490 Views |
January 19, 2014, 01:28:56 pm by sluckey |
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32 Replies
18447 Views |
January 19, 2014, 01:24:50 pm by thelonious |
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Outrageous freebie
Started by eleventeen |
11 Replies
7190 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
8147 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
4978 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
18727 Views |
January 17, 2014, 03:47:07 am by Tone Junkie |
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Silvertone 1484 speakers
Started by TubeGeek |
5 Replies
4794 Views |
January 17, 2014, 02:34:25 am by SoundmasterG |
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7 Replies
5753 Views |
January 16, 2014, 10:01:10 pm by Toxophilite |
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5 Replies
5141 Views |
January 16, 2014, 01:28:31 am by kagliostro |
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6BR7 & 6BS7 pentodes.
Started by DummyLoad |
4 Replies
7895 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
14378 Views |
January 15, 2014, 07:48:38 pm by Keppy |
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Univox Tremolo..
Started by Jack_Hester |
12 Replies
7276 Views |
January 15, 2014, 04:01:39 pm by Willabe |
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Today's Haul
Started by Toxophilite |
18 Replies
7614 Views |
January 15, 2014, 02:03:21 pm by Toxophilite |
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input jack resistor
Started by Underwood |
3 Replies
3631 Views |
January 15, 2014, 11:46:26 am by thelonious |
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9 Replies
5817 Views |
January 15, 2014, 07:58:59 am by stratele52 |
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Too much B+ ??
Started by Toxophilite |
18 Replies
9455 Views |
January 15, 2014, 02:46:20 am by Toxophilite |
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Mosfet CF FX
Started by tubenit |
9 Replies
6426 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
3612 Views |
January 14, 2014, 07:42:19 am by kagliostro |
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fender 5e3
Started by roadking |
21 Replies
9037 Views |
January 14, 2014, 12:15:00 am by PRR |
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Guild 66-J Amp..........
Started by Jack_Hester |
18 Replies
12500 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
6508 Views |
January 12, 2014, 11:40:04 am by sluckey |
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Overall output questions?
Started by Speakz |
5 Replies
4033 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
5257 Views |
January 11, 2014, 07:14:38 pm by TIMBO |
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48 Replies
19470 Views |
January 11, 2014, 05:46:37 pm by foghornleghorn |
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New amp build.....input wanted!
Started by Stankfut |
19 Replies
10398 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
3597 Views |
January 11, 2014, 12:11:29 am by jazbo8 |
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Silver Jubilee Lite
Started by TIMBO |
0 Replies
2845 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
4979 Views |
January 10, 2014, 12:47:00 am by sluckey |
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