Welcome To the Hoffman Amplifiers Forum
August 29, 2026, 03:04:50 pm
Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 03:04:50 pm | ||
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Translating schematics to layouts
Started by Fizazzles |
1 Replies
4424 Views |
April 12, 2018, 08:33:23 pmby shooter |
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6GW8/ECL86 datasheet notes
Started by terminalgs |
4 Replies
8680 Views |
April 12, 2018, 04:41:37 pm by jojokeo |
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21 Replies
14217 Views |
April 12, 2018, 04:15:11 pm by jojokeo |
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Can someone clarify this when biasing tubes
Started by dude |
16 Replies
8840 Views |
April 12, 2018, 06:27:45 am by pdf64 |
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Combo amp top panel
Started by dscottguitars |
2 Replies
3888 Views |
April 10, 2018, 02:50:25 pm by dscottguitars |
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230 volt pilot light
Started by Oddvar |
10 Replies
6725 Views |
April 10, 2018, 12:56:26 pm by PRR |
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Ampeg V4 VT22 Refurb
Started by goldstache |
6 Replies
5779 Views |
April 09, 2018, 09:39:52 pm by PRR |
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Deluxe Reverb Question
Started by Glenn |
2 Replies
4276 Views |
April 09, 2018, 05:45:37 pm by Glenn |
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Marshall Superlead Rectifier
Started by dpm309 |
5 Replies
7654 Views |
April 09, 2018, 05:11:38 pm by 2deaf |
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2 Replies
4866 Views |
April 09, 2018, 12:48:29 pm by Major Twang |
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Cap can in place of separate caps
Started by Joe6v6 |
9 Replies
6227 Views |
April 09, 2018, 11:17:19 am by dude |
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1-Tube reverb 6BM8/ECL82
Started by adamG |
25 Replies
19263 Views |
April 09, 2018, 07:44:37 am by adamG |
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Want trem intensity ?
Started by ginger |
13 Replies
6396 Views |
April 08, 2018, 02:55:08 pm by sluckey |
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3 Replies
5180 Views |
April 08, 2018, 01:45:17 pm by 2deaf |
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11 Replies
7121 Views |
April 07, 2018, 10:17:19 pm by ALBATROS1234 |
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The Dirty Princeton Reverb
Started by Ledzepp007 |
19 Replies
11108 Views |
April 07, 2018, 02:25:36 pm by Ledzepp007 |
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Tweed Mod for Vibro Champ (part 2)
Started by multmin |
4 Replies
5118 Views |
April 07, 2018, 11:52:39 am by multmin |
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Hoffman 6v6 Plexi
Started by Big_Mike |
12 Replies
8999 Views |
April 07, 2018, 11:43:43 am by dude |
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Schematic etiquette
Started by dennyg |
46 Replies
21056 Views |
April 06, 2018, 07:57:48 pm by tubeswell |
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Custom powder-coated chassis?
Started by Diverted |
5 Replies
5321 Views |
April 06, 2018, 07:28:30 pm by shooter |
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Positioning of filter caps
Started by taddy |
8 Replies
6936 Views |
April 06, 2018, 04:31:05 pm by Diverted |
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Princeton reverb no tremolo question
Started by Rascalrick |
5 Replies
5070 Views |
April 06, 2018, 03:05:24 pm by jjasilli |
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Single ended EL84
Started by rake |
18 Replies
43169 Views |
April 06, 2018, 01:37:19 pm by Menryk |
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Fixed Bias El84?
Started by JKRamsey1991 |
15 Replies
13598 Views |
April 06, 2018, 08:51:46 am by plumcrazyfx |
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Spacing of components DELUXE REVERB
Started by taddy |
1 Replies
4614 Views |
April 05, 2018, 07:36:39 pm by PRR |
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More headroom in a 5e3?
Started by markmalin |
24 Replies
13012 Views |
April 05, 2018, 04:25:40 pm by 2deaf |
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Electrolytics in series ... question?
Started by Diverted |
14 Replies
8024 Views |
April 05, 2018, 08:58:29 am by sluckey |
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66' Among gs12 R turret board
Started by mikhett |
2 Replies
4111 Views |
April 04, 2018, 09:05:15 pm by PRR |
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HiFi output noise
Started by Heavenamps |
3 Replies
4359 Views |
April 04, 2018, 02:51:29 pm by 92Volts |
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supro push pull ot question.
Started by ALBATROS1234 |
19 Replies
10020 Views |
April 04, 2018, 08:16:20 am by ALBATROS1234 |
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31 Replies
10876 Views |
April 03, 2018, 10:40:47 pm by dude |
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MOVED: New Magnatone amp schematics
Started by Willabe |
0 Replies
4022 Views |
April 03, 2018, 02:12:06 pm by Willabe |
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two EL-84 amp with reverb ????
Started by mikhett |
3 Replies
4657 Views |
April 02, 2018, 06:51:49 pm by DummyLoad |
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Peavey cap id.
Started by Colas LeGrippa |
6 Replies
6035 Views |
April 02, 2018, 12:50:41 pm by Colas LeGrippa |
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5 Replies
6600 Views |
April 01, 2018, 06:59:00 pm by ALBATROS1234 |
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Grid resistors to power tubes
Started by dude |
5 Replies
11473 Views |
March 31, 2018, 11:28:03 pm by PRR |
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Traynor 1973 ygm_3 tone stack mod
Started by mikhett |
4 Replies
5182 Views |
March 31, 2018, 10:39:28 pm by plumcrazyfx |
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VVR Hints & Tips
Started by plumcrazyfx |
8 Replies
6438 Views |
March 31, 2018, 10:35:39 pm by plumcrazyfx |
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8 Replies
5016 Views |
March 31, 2018, 06:45:34 pm by shooter |
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Questions about my fix to a problem?
Started by ALBATROS1234 |
9 Replies
4922 Views |
March 31, 2018, 09:54:22 am by ALBATROS1234 |
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19 Replies
7771 Views |
March 31, 2018, 05:37:10 am by Menryk |
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Output Transformer Help
Started by dscottguitars |
47 Replies
15036 Views |
March 30, 2018, 10:31:52 pm by dscottguitars |
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GA-90 fuse size
Started by malti |
1 Replies
4381 Views |
March 30, 2018, 01:27:39 pm by sluckey |
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grounding bias filters
Started by dude |
3 Replies
4229 Views |
March 29, 2018, 04:39:21 pm by Colas LeGrippa |
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noisy Showman 6G-14
Started by bhill |
2 Replies
4677 Views |
March 29, 2018, 02:07:43 pm by bhill |
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16 Replies
9143 Views |
March 29, 2018, 08:31:15 am by ALBATROS1234 |
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2 Replies
5456 Views |
March 29, 2018, 05:40:45 am by MFowler |
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Gibson GA20 HUM!!!!!!!!! UPDATE!
Started by plexi50 |
49 Replies
20159 Views |
March 28, 2018, 11:49:35 pm by DummyLoad |
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about heaters hum
Started by Colas LeGrippa |
7 Replies
5955 Views |
March 28, 2018, 10:31:26 pm by Colas LeGrippa |
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My 50W plexi Screen Supply dilemma
Started by goldstache |
19 Replies
8667 Views |
March 28, 2018, 04:25:37 pm by DummyLoad |
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