Welcome To the Hoffman Amplifiers Forum
October 22, 2025, 03:10:51 pm
Welcome To the Hoffman Amplifiers ForumOctober 22, 2025, 03:10:51 pm | ||
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| mountainhick and 76 Guests are viewing this board. | ||||
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headphone and line out for tube amp
Started by Bieworm |
1 Replies
1971 Views |
January 30, 2023, 09:00:57 amby kagliostro |
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Mounting a Deluxe Reverb power supply
Started by Petedub |
9 Replies
3345 Views |
January 30, 2023, 04:15:02 am by Petedub |
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Peavey Rock Master preamp build
Started by fossilshark |
9 Replies
3855 Views |
January 29, 2023, 06:55:58 pm by fossilshark |
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Marshall DSL40
Started by Rockranger |
31 Replies
7506 Views |
January 29, 2023, 06:21:18 pm by Rockranger |
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Peav c30 amp
Started by AchiLLeS |
7 Replies
2637 Views |
January 29, 2023, 12:03:26 pm by Lectroid |
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Power transformer to choke Doable
Started by TIMBO |
2 Replies
2032 Views |
January 28, 2023, 06:00:13 pm by TIMBO |
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One tube oscillator
Started by Leevi |
11 Replies
3467 Views |
January 28, 2023, 12:25:10 pm by astronomicum |
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40 Replies
18290 Views |
January 27, 2023, 09:41:11 pm by DummyLoad |
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Volume pot pre V1
Started by shaun |
15 Replies
4446 Views |
January 27, 2023, 07:15:01 pm by shaun |
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Bassman Micro startup issues
Started by EricR |
23 Replies
5103 Views |
January 26, 2023, 08:42:10 pm by EricR |
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Gauge of wire in Presence
Started by dude |
10 Replies
3991 Views |
January 26, 2023, 01:52:35 pm by shooter |
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BADCAT CUB II REVERB - NEED SCHEMATIC
Started by Jonas |
5 Replies
3606 Views |
January 26, 2023, 08:42:49 am by Latole |
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Fender 6G9-B treble cap
Started by Esquirefreak |
2 Replies
2138 Views |
January 25, 2023, 06:27:58 pm by PRR |
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3 Replies
1994 Views |
January 25, 2023, 03:25:29 pm by fdesalvo |
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Running dual coupling caps off of V1a ?
Started by joesatch |
11 Replies
3604 Views |
January 25, 2023, 11:46:53 am by joesatch |
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Blackface Vibrochamp tremolo
Started by isaac_teller |
4 Replies
2120 Views |
January 25, 2023, 07:50:57 am by isaac_teller |
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4 Replies
2411 Views |
January 24, 2023, 08:14:11 pm by HotBluePlates |
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High Plate voltage
Started by Rich_C |
38 Replies
8581 Views |
January 24, 2023, 07:52:02 pm by HotBluePlates |
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Bass Amp Build Circuit-Clone Suggestions
Started by W5FH |
9 Replies
3725 Views |
January 24, 2023, 09:33:30 am by tubeswell |
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23 Replies
5542 Views |
January 23, 2023, 09:52:30 pm by PRR |
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Just finished building and testing
Started by W5FH |
5 Replies
2924 Views |
January 23, 2023, 09:43:07 pm by W5FH |
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1965 Princeton AA964 Bias Problem
Started by plexi50 |
9 Replies
3201 Views |
January 23, 2023, 04:10:28 am by Latole |
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15 Replies
4218 Views |
January 22, 2023, 11:09:10 am by tubeswell |
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Speaker issue with tube amp
Started by Erik Aa |
4 Replies
2203 Views |
January 21, 2023, 12:01:32 pm by mresistor |
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Fixed Bias Question
Started by Jennings |
5 Replies
2604 Views |
January 20, 2023, 11:12:35 am by Jennings |
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14 Replies
5079 Views |
January 20, 2023, 09:09:10 am by jordan86 |
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Sizzle in Blues Junior at idle
Started by dude |
16 Replies
3678 Views |
January 19, 2023, 01:59:58 pm by acheld |
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LND150 buffered loop options
Started by craig.kimble |
3 Replies
3013 Views |
January 19, 2023, 09:23:45 am by kagliostro |
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Judge my latest build
Started by Dyerseve726 |
34 Replies
7704 Views |
January 19, 2023, 08:25:19 am by Dyerseve726 |
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Modding jcm800
Started by fossilshark |
10 Replies
3145 Views |
January 19, 2023, 08:02:25 am by Williamblake |
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20 Replies
4642 Views |
January 18, 2023, 05:33:27 pm by bmccowan |
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Surfing the Glass
Started by Lectroid |
16 Replies
4132 Views |
January 18, 2023, 11:46:53 am by Lectroid |
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Ampeg V4 Bias Issues
Started by AHeck |
41 Replies
7424 Views |
January 17, 2023, 11:27:59 am by shooter |
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9 Replies
4228 Views |
January 17, 2023, 10:16:55 am by Lectroid |
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Super Reverb - Bias Filtering
Started by 410_Fanatic |
9 Replies
4137 Views |
January 16, 2023, 08:35:47 pm by 410_Fanatic |
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The Benson Model 300H
Started by Platefire |
4 Replies
2477 Views |
January 16, 2023, 05:22:34 pm by tdvt |
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Sluckey "Tremonator" Voltage Question
Started by W5FH |
3 Replies
2192 Views |
January 15, 2023, 03:16:18 pm by sluckey |
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Cathode biased amp
Started by rake |
21 Replies
4904 Views |
January 14, 2023, 09:50:07 pm by rake |
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5E3 in a 5F2 chassis
Started by Brownie |
2 Replies
2103 Views |
January 14, 2023, 09:11:45 pm by Brownie |
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4 Replies
2626 Views |
January 14, 2023, 12:29:38 pm by brewdude |
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5F1 From Bitz
Started by TIMBO |
20 Replies
5058 Views |
January 14, 2023, 12:57:24 am by TIMBO |
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ELK viking 100
Started by DummyLoad |
32 Replies
10212 Views |
January 13, 2023, 11:45:31 am by JZRepair |
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Blues Jr Schematic VS layout
Started by Room335 |
2 Replies
2243 Views |
January 13, 2023, 07:34:51 am by EL34 |
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P2P Tweedle Dee - OT Mixup
Started by Thisismyname |
8 Replies
2880 Views |
January 13, 2023, 03:09:20 am by pdf64 |
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25 Replies
5680 Views |
January 13, 2023, 01:03:43 am by PRR |
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Ultralinear Super Reverb
Started by AlNewman |
8 Replies
3139 Views |
January 12, 2023, 08:36:40 pm by AlNewman |
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TapeMaster SA-13 Chop-n-bob.
Started by DummyLoad |
16 Replies
4669 Views |
January 12, 2023, 06:10:06 pm by rybcage |
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switching power cord leads
Started by islandamp |
13 Replies
3824 Views |
January 12, 2023, 12:52:45 pm by JPK |
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Can i run 2 x EL34 with this OT?
Started by joesatch |
22 Replies
4712 Views |
January 11, 2023, 05:58:20 pm by 66Strat |
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Grounding the presence pot
Started by dude |
4 Replies
2670 Views |
January 11, 2023, 05:50:54 pm by sluckey |
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