Welcome To the Hoffman Amplifiers Forum
March 11, 2026, 04:00:29 pm
Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 04:00:29 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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| passaloutre, Glenn, dogburn and 102 Guests are viewing this board. | ||||
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6G13a filter capacitors layout
Started by Roukedou |
8 Replies
4804 Views |
August 13, 2017, 09:06:02 pmby bnwitt |
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1979 135w Fender Twin distorted output
Started by mresistor |
2 Replies
3285 Views |
August 13, 2017, 11:45:41 am by mresistor |
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Speakers for a BFSR build
Started by bnwitt |
4 Replies
3199 Views |
August 13, 2017, 09:10:15 am by bnwitt |
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Help with eyelet board layout
Started by mikepukmel |
18 Replies
7343 Views |
August 13, 2017, 08:18:54 am by bnwitt |
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Cascade 6V6 18Watt Tweaking Help Please
Started by ncusack |
20 Replies
7991 Views |
August 13, 2017, 08:16:46 am by ac427v |
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5F6A
Started by davidwpack |
9 Replies
4769 Views |
August 12, 2017, 10:55:35 pm by davidwpack |
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1 Replies
2739 Views |
August 11, 2017, 09:31:25 pm by sluckey |
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6V Regulated DC heater
Started by dennyg |
6 Replies
5155 Views |
August 10, 2017, 02:29:02 am by trobbins |
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1-tube reverb-voltage
Started by adamG |
32 Replies
9751 Views |
August 10, 2017, 12:28:03 am by adamG |
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6 Replies
5808 Views |
August 09, 2017, 06:13:47 pm by mike123 |
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AB763 2 channel question
Started by frpax |
6 Replies
3973 Views |
August 09, 2017, 11:48:04 am by hokenpoke |
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Joe Walsh Mods
Started by purpletele |
22 Replies
10504 Views |
August 09, 2017, 10:32:55 am by purpletele |
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Would Philco 6L6 GA f6s be any good?
Started by TerryD |
6 Replies
3749 Views |
August 09, 2017, 08:03:19 am by TerryD |
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how tube amps work
Started by EKDENTON |
1 Replies
2671 Views |
August 09, 2017, 05:39:20 am by Joel |
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A combo Cabinet for my Kendrick Climax
Started by bnwitt |
10 Replies
6710 Views |
August 08, 2017, 11:48:45 pm by jojokeo |
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AC30 Build Help! I'll keep building, you keep helping!
Started by evancorylevine « 1 2 » |
76 Replies
20359 Views |
August 08, 2017, 04:04:53 pm by evancorylevine |
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4 Replies
3554 Views |
August 08, 2017, 03:51:42 pm by sluckey |
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Speaker jack ground
Started by g-man |
9 Replies
6267 Views |
August 08, 2017, 02:47:43 pm by jojokeo |
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Parallel Circuit
Started by J Rindt |
1 Replies
2893 Views |
August 08, 2017, 11:03:37 am by PRR |
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Vox Top Boost Tonestack
Started by fiftynine |
0 Replies
2854 Views |
August 08, 2017, 07:16:09 am by fiftynine |
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BF Vibro Champ Power Transformer
Started by upnorth2 |
1 Replies
2973 Views |
August 07, 2017, 03:57:24 pm by sluckey |
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Early Bassman Scematic?
Started by brewdude |
10 Replies
4488 Views |
August 07, 2017, 01:11:15 pm by brewdude |
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68 Super Reverb Reverb Problem
Started by TerryD |
3 Replies
3248 Views |
August 07, 2017, 11:52:48 am by bnwitt |
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GTC output transformer
Started by Joel |
4 Replies
3625 Views |
August 07, 2017, 02:38:34 am by Joel |
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10 Replies
4260 Views |
August 05, 2017, 12:55:46 pm by PRR |
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Resistor in parallel with potentiometer
Started by Big_Mike |
43 Replies
23575 Views |
August 05, 2017, 09:33:17 am by Big_Mike |
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Heres an odd one....
Started by hesamadman |
15 Replies
4919 Views |
August 05, 2017, 08:57:51 am by kagliostro |
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High plate diss
Started by davidwpack |
13 Replies
4710 Views |
August 04, 2017, 05:46:28 pm by davidwpack |
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2 Replies
3813 Views |
August 04, 2017, 12:57:01 pm by PRR |
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5E3 Malfunction: Volume Fluctuation
Started by ululufut |
5 Replies
4000 Views |
August 04, 2017, 09:23:58 am by shooter |
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Learning circuits
Started by davidwpack |
4 Replies
3661 Views |
August 03, 2017, 01:15:07 pm by davidwpack |
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27 Replies
8874 Views |
August 03, 2017, 11:37:29 am by leevc5 |
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9 Replies
5714 Views |
August 02, 2017, 10:49:21 pm by PRR |
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30 Replies
11789 Views |
August 02, 2017, 07:50:09 pm by ke4mcl |
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Reverb circuit FBJ / FHRD
Started by Apprentice |
4 Replies
3360 Views |
August 02, 2017, 12:38:54 pm by Apprentice |
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GM 28 blocking distortion
Started by Leevi |
9 Replies
4057 Views |
August 01, 2017, 03:25:23 pm by Leevi |
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Marshall 20W Phase Inverter
Started by Leevi |
26 Replies
12013 Views |
August 01, 2017, 03:22:40 pm by Leevi |
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5E3 woes....
Started by tylerrussell |
23 Replies
7007 Views |
August 01, 2017, 10:24:20 am by Ed_Chambley |
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Bass Pot Not Functional / 5F6A Bassman
Started by plexi50 |
15 Replies
6024 Views |
July 31, 2017, 09:11:54 pm by plexi50 |
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Help with amp noise issue please
Started by Shack |
5 Replies
3176 Views |
July 30, 2017, 07:44:39 pm by Shack |
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Ken Fisher type I/II and LarMar. PPIMV
Started by Willabe |
46 Replies
31383 Views |
July 30, 2017, 12:30:00 pm by Ed_Chambley |
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Sudden low bias on Deluxe Reverb
Started by Joeriz |
3 Replies
3347 Views |
July 30, 2017, 08:50:38 am by Joeriz |
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Major noise issue with AB763 build
Started by Apexelectric « 1 2 » |
59 Replies
13907 Views |
July 28, 2017, 08:47:54 pm by Apexelectric |
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Joel: re: RCA 6973 datasheet
Started by John |
4 Replies
3516 Views |
July 28, 2017, 11:04:27 am by shooter |
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Capacitor Question
Started by JLS |
3 Replies
2931 Views |
July 28, 2017, 08:29:54 am by JLS |
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7 Replies
4506 Views |
July 27, 2017, 08:09:11 pm by jjasilli |
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0 Replies
2312 Views |
July 27, 2017, 02:34:58 pm by PRR |
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Cascode advice?
Started by murrayatuptown |
8 Replies
6294 Views |
July 27, 2017, 12:05:42 pm by Tony Bones |
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3 Replies
3727 Views |
July 27, 2017, 10:29:55 am by goldstache |
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10 Replies
4916 Views |
July 27, 2017, 09:44:19 am by Apprentice |
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