Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 08:54:15 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 08:54:15 pm | ||
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| rafe and 40 Guests are viewing this board. | ||||
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Hum, not heater, not filter
Started by jeff |
12 Replies
5440 Views |
March 01, 2011, 04:49:50 pmby jeff |
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9 Replies
6126 Views |
March 01, 2011, 03:03:10 pm by phsyconoodler |
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14 Replies
8643 Views |
March 01, 2011, 09:59:54 am by matta |
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9 Replies
6087 Views |
March 01, 2011, 08:55:26 am by pullshocks |
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7 Replies
5020 Views |
March 01, 2011, 06:17:55 am by sluckey |
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First build Recommendations, Please.
Started by sjturbo |
16 Replies
7068 Views |
February 28, 2011, 09:04:10 pm by sjturbo |
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Strange clicking noise
Started by aro |
3 Replies
3525 Views |
February 27, 2011, 09:11:31 pm by aro |
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5e3 build problem
Started by Tubed |
4 Replies
3782 Views |
February 27, 2011, 03:34:15 pm by HotBluePlates |
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12 Replies
6088 Views |
February 27, 2011, 11:39:03 am by Leevi |
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Rogers to Marshall Conversion
Started by Jack1962 |
2 Replies
3320 Views |
February 27, 2011, 09:00:06 am by stingray_65 |
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Vacuum Tube Car Amp
Started by RicharD |
17 Replies
8538 Views |
February 27, 2011, 12:38:31 am by PRR |
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26 Replies
11137 Views |
February 26, 2011, 09:58:57 pm by Tone Junkie |
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6v6 plugged in incorrectly
Started by prs_matt |
9 Replies
7394 Views |
February 26, 2011, 07:28:43 pm by prs_matt |
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10 Replies
9459 Views |
February 26, 2011, 01:24:04 am by PRR |
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Tweed Atlas/6V6 Spitfire
Started by ncusack |
6 Replies
7090 Views |
February 25, 2011, 08:05:03 pm by tubenit |
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Shielded ground wires?
Started by jeff |
3 Replies
3644 Views |
February 25, 2011, 07:41:10 pm by Bub |
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10 Replies
6265 Views |
February 25, 2011, 01:04:43 pm by Leevi |
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18 Replies
8122 Views |
February 25, 2011, 11:32:45 am by frank57 |
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passive efx loop location
Started by punkykatt |
8 Replies
4644 Views |
February 25, 2011, 11:03:29 am by punkykatt |
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14 Replies
10200 Views |
February 25, 2011, 07:31:48 am by FYL |
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1/4 Watt Bias Pot?
Started by jeff |
5 Replies
4606 Views |
February 25, 2011, 06:55:56 am by jeff |
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silicone all over tube socket pins
Started by phsyconoodler |
8 Replies
5025 Views |
February 24, 2011, 10:13:51 am by phsyconoodler |
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AC30 Layout
Started by Voxbox |
11 Replies
8779 Views |
February 24, 2011, 07:31:42 am by archaos |
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Where to add Reverb
Started by TIMBO |
4 Replies
3620 Views |
February 24, 2011, 12:04:18 am by TIMBO |
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Sag Resistor on CT
Started by 3choplex |
9 Replies
7327 Views |
February 23, 2011, 05:54:50 pm by Tone Junkie |
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ELK Guitar Man tremolo
Started by Tristan |
8 Replies
8263 Views |
February 23, 2011, 05:06:43 pm by PRR |
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Output socket sizzle and smoke
Started by aro |
6 Replies
4838 Views |
February 23, 2011, 11:29:30 am by aro |
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Reverb tweak on FX-Rev unit
Started by tubenit |
1 Replies
3140 Views |
February 23, 2011, 09:19:43 am by 67polara |
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3 Replies
3615 Views |
February 22, 2011, 05:06:09 pm by Voxbox |
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looking for help with a 5f2a build
Started by alange5 |
5 Replies
7113 Views |
February 22, 2011, 12:27:28 pm by Fresh_Start |
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What PT for 6L6 SE
Started by Leevi |
11 Replies
6860 Views |
February 22, 2011, 11:38:12 am by Leevi |
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suitable pwr trafo for the new project
Started by mat |
8 Replies
4790 Views |
February 22, 2011, 06:49:55 am by sluckey |
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5 Replies
6344 Views |
February 21, 2011, 10:50:30 pm by Fresh_Start |
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Marshall Bluesbreaker
Started by Tiny_Daddy |
18 Replies
13533 Views |
February 21, 2011, 05:44:24 pm by Geezer |
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0 Replies
3208 Views |
February 21, 2011, 11:42:30 am by bruno |
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schematic for TUSC amp?
Started by juanchi |
4 Replies
4354 Views |
February 21, 2011, 04:48:50 am by juanchi |
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frankenstein - frankenamp
Started by DummyLoad |
16 Replies
7839 Views |
February 21, 2011, 12:07:49 am by Tone Junkie |
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Output transformer question
Started by 67polara |
2 Replies
3225 Views |
February 20, 2011, 10:18:12 pm by 67polara |
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Single Channel 5e3?
Started by ncusack |
5 Replies
7041 Views |
February 20, 2011, 08:45:57 pm by Fresh_Start |
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OT screaming at me
Started by macula56 |
6 Replies
4879 Views |
February 20, 2011, 07:05:19 pm by J Rindt |
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Dumb question about full wave bridge
Started by Tone Junkie |
3 Replies
3199 Views |
February 20, 2011, 03:39:23 pm by Tone Junkie |
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6 Replies
4686 Views |
February 20, 2011, 03:36:24 pm by Tone Junkie |
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Princeton Reverb questions
Started by New2ampsman |
4 Replies
3379 Views |
February 20, 2011, 12:38:07 pm by Fresh_Start |
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LEDs in Silver jubilee
Started by TIMBO |
12 Replies
6903 Views |
February 20, 2011, 11:57:15 am by Tone Junkie |
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need input jack circuit help
Started by chuggy |
5 Replies
3932 Views |
February 20, 2011, 05:34:28 am by LooseChange |
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6 Replies
4873 Views |
February 19, 2011, 02:15:23 pm by RicharD |
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Marshall 18watt
Started by jeff |
7 Replies
4996 Views |
February 19, 2011, 12:56:51 pm by Rev D |
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Redplate 6AQ5?
Started by jeff |
16 Replies
9767 Views |
February 19, 2011, 10:33:57 am by DummyLoad |
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reverb TANK buzzes
Started by Baguette |
2 Replies
3436 Views |
February 19, 2011, 08:54:34 am by 67polara |
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spst switch did i order the wrong switch?
Started by mikhett |
1 Replies
2888 Views |
February 19, 2011, 05:33:07 am by jeff |
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