Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 09:36:18 am
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 09:36:18 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| RoadShow and 85 Guests are viewing this board. | ||||
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Clone of Marshall JTM 45 Fails Bulb Test
Started by timmyjoe |
18 Replies
7455 Views |
September 02, 2023, 07:01:20 pmby pdf64 |
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Hot rod deluxe conversion
Started by Bautista392 |
2 Replies
4656 Views |
September 02, 2023, 06:54:21 am by pdf64 |
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10 Replies
14186 Views |
September 02, 2023, 04:44:30 am by Latole |
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Angela Super Single w/reverb
Started by Diverted |
18 Replies
8579 Views |
September 01, 2023, 03:54:01 pm by Diverted |
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Hot Rod Deluxe Conversion to ?
Started by dujuarez |
13 Replies
9095 Views |
September 01, 2023, 03:17:35 pm by scstill |
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Leaking coupling cap question
Started by labb |
8 Replies
5893 Views |
September 01, 2023, 07:10:52 am by tdvt |
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6G6-B build - planning stages
Started by Esquirefreak |
1 Replies
4010 Views |
August 30, 2023, 08:06:28 pm by sluckey |
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Help with Power Transformer voltages?
Started by mini612 |
2 Replies
4679 Views |
August 30, 2023, 02:45:52 pm by mini612 |
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3 Replies
7120 Views |
August 30, 2023, 02:28:02 pm by spunko |
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molded heater wire
Started by joesatch |
11 Replies
5946 Views |
August 30, 2023, 10:46:23 am by Latole |
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Easiest Circuit with The Fewest Parts
Started by imgumby001 « 1 2 » |
50 Replies
17043 Views |
August 29, 2023, 10:46:45 pm by Carlsoti |
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M11 Rickenbacher Big Box Cathode Voltage
Started by plexi50 |
21 Replies
8042 Views |
August 29, 2023, 07:05:54 am by shooter |
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15 Replies
6732 Views |
August 28, 2023, 08:49:00 pm by zephyrblau |
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Yorkville YBA-3A Circuits
Started by W5FH |
3 Replies
4609 Views |
August 28, 2023, 08:15:07 pm by AlNewman |
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Tube Problems from Tube Depot
Started by Thisismyname |
9 Replies
6593 Views |
August 28, 2023, 08:07:08 pm by AlNewman |
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P2P Tweedle Dee Sound Clips
Started by Thisismyname |
3 Replies
4815 Views |
August 28, 2023, 07:31:40 pm by Thisismyname |
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12 Replies
9322 Views |
August 28, 2023, 05:12:19 pm by shooter |
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4 Replies
6580 Views |
August 28, 2023, 01:37:40 pm by luthierwnc |
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6 Replies
4969 Views |
August 28, 2023, 01:15:23 pm by mresistor |
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Which resistor would you keep?
Started by pbman1953 |
5 Replies
4443 Views |
August 28, 2023, 07:36:57 am by pbman1953 |
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11 Replies
6618 Views |
August 28, 2023, 03:45:44 am by Latole |
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30 Replies
47318 Views |
August 27, 2023, 10:19:45 pm by marshallguy |
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Gibson GA-15RVT Repair
Started by rnevins |
9 Replies
6542 Views |
August 27, 2023, 12:15:53 pm by Dave |
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13 Replies
7822 Views |
August 27, 2023, 11:34:51 am by MSVguitar |
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6CG7 substitution tube ?
Started by kagliostro |
7 Replies
19872 Views |
August 27, 2023, 11:12:31 am by kagliostro |
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11 Replies
6128 Views |
August 27, 2023, 10:06:43 am by acheld |
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Scratch Build Orange Tiny Terror
Started by EKDENTON |
26 Replies
33594 Views |
August 27, 2023, 03:33:28 am by kagliostro |
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Power transformer question
Started by AlNewman |
29 Replies
9697 Views |
August 26, 2023, 06:50:48 pm by AlNewman |
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46 Replies
16226 Views |
August 26, 2023, 01:20:26 pm by marshallguy |
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4 Replies
4943 Views |
August 26, 2023, 10:45:20 am by mozz |
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Suspected shorted tube socket
Started by Esquirefreak |
3 Replies
3627 Views |
August 26, 2023, 06:27:11 am by Esquirefreak |
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F & T Caps -- Black vs Blue?
Started by Nathan |
7 Replies
4885 Views |
August 25, 2023, 03:02:14 pm by mresistor |
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0 Replies
3365 Views |
August 25, 2023, 11:21:24 am by Willabe |
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500p coupling cap type ?
Started by Colas LeGrippa |
12 Replies
5452 Views |
August 25, 2023, 10:42:21 am by Colas LeGrippa |
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AO-29 Iron for Slucky’s Dual Lite
Started by imgumby001 |
4 Replies
4005 Views |
August 25, 2023, 05:48:11 am by imgumby001 |
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Ampeg B15s oscillation problem
Started by stagam |
3 Replies
4439 Views |
August 25, 2023, 05:46:59 am by pdf64 |
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Tube Data Sheets & RCA Manuals
Started by Pollys13a |
8 Replies
5796 Views |
August 24, 2023, 10:11:31 pm by HotBluePlates |
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2203 RI schematic question
Started by RoadShow |
3 Replies
5047 Views |
August 24, 2023, 02:32:17 pm by PRR |
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8 Replies
5235 Views |
August 24, 2023, 10:46:15 am by kagliostro |
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91 Replies
39831 Views |
August 23, 2023, 05:21:57 pm by murrayatuptown |
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24 Replies
7543 Views |
August 23, 2023, 12:13:08 pm by separateness |
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Left-field phase inverter question
Started by luthierwnc |
6 Replies
5028 Views |
August 23, 2023, 11:22:15 am by pdf64 |
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Sunn Sceptre Output Transformer Flame Up!
Started by plexi50 |
32 Replies
11113 Views |
August 23, 2023, 09:50:07 am by plexi50 |
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Lost Gibson amp schematics recovered
Started by Sonny ReVerb |
8 Replies
5652 Views |
August 23, 2023, 05:26:00 am by Sonny ReVerb |
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3 Replies
3722 Views |
August 23, 2023, 01:16:56 am by kagliostro |
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5f1 build trouble
Started by jada3909 |
20 Replies
6691 Views |
August 22, 2023, 07:27:47 pm by separateness |
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Mixing black and brown
Started by jordan86 |
37 Replies
13287 Views |
August 22, 2023, 11:38:40 am by Sonny ReVerb |
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4 Replies
4016 Views |
August 22, 2023, 11:21:16 am by Platefire |
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1958'ish Fender Champ
Started by John |
24 Replies
9042 Views |
August 22, 2023, 05:35:01 am by John |
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Standalone power amp unit
Started by fossilshark |
4 Replies
3644 Views |
August 21, 2023, 08:41:03 pm by nandrewjackson |
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