Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 11:05:48 am
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 11:05:48 am | ||
| Subject / Started by | Replies / Views | Last post  |
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| 0 Members and 44 Guests are viewing this board. | ||||
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Star Grounding Schemes
Started by turtle441 |
2 Replies
3289 Views |
April 28, 2016, 09:31:44 amby Fresh_Start |
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Effects of running 6.3V tubes with 5.5V?
Started by casssax |
10 Replies
9903 Views |
April 28, 2016, 09:12:44 am by casssax |
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Blues Junior transformer
Started by chrischris |
7 Replies
3810 Views |
April 28, 2016, 08:09:11 am by chrischris |
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Tube amp impedance question
Started by Guitarzan |
14 Replies
6749 Views |
April 27, 2016, 07:13:57 am by Guitarzan |
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AB763 Amp Build Problems
Started by h4ck.b0x7 |
11 Replies
3734 Views |
April 27, 2016, 12:23:45 am by h4ck.b0x7 |
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1 Replies
4200 Views |
April 26, 2016, 05:06:07 pm by HotBluePlates |
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53 Replies
16947 Views |
April 26, 2016, 02:41:41 pm by EL34 |
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Sudden loss of volume in Vibrolux
Started by macula56 |
18 Replies
6582 Views |
April 25, 2016, 07:17:30 am by macula56 |
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11 Replies
4783 Views |
April 24, 2016, 05:39:13 pm by Shack |
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AC 30 replica
Started by Hargestbatman |
8 Replies
5081 Views |
April 24, 2016, 04:58:01 pm by G._Hoffman |
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Wiring power transformer 5e3
Started by Oddvar |
4 Replies
3647 Views |
April 24, 2016, 11:37:47 am by sluckey |
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Failing Power supply Cap Question
Started by ncusack |
2 Replies
2886 Views |
April 23, 2016, 06:47:43 am by Colas LeGrippa |
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Noise/Distortion from my house
Started by willhugh |
4 Replies
2645 Views |
April 22, 2016, 07:16:26 pm by willhugh |
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Bassman AB165 low level noise issue
Started by mresistor |
25 Replies
8490 Views |
April 22, 2016, 06:33:13 pm by mresistor |
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MOVED: Flooding down in Texas
Started by tubenit |
0 Replies
2530 Views |
April 21, 2016, 02:16:24 pm by tubenit |
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DIY optocoupler
Started by basschops1528 |
2 Replies
3660 Views |
April 21, 2016, 02:02:18 pm by eleventeen |
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DSL50 Heater Problems
Started by dpm309 |
3 Replies
2480 Views |
April 20, 2016, 06:31:58 pm by pompeiisneaks |
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67 Pro Verb - Sound Check
Started by p2pAmps |
38 Replies
10761 Views |
April 20, 2016, 06:02:19 pm by mresistor |
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Kalamazoo Model Two problem
Started by mresistor |
15 Replies
4921 Views |
April 20, 2016, 03:29:43 pm by mresistor |
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motorboating ?
Started by shooter |
11 Replies
3780 Views |
April 19, 2016, 08:49:31 pm by shooter |
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32 Replies
10091 Views |
April 19, 2016, 04:40:10 pm by Voxacthirtee |
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11 Replies
5277 Views |
April 19, 2016, 02:20:21 pm by pnadora |
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what problem of my ac30
Started by kwm488 |
11 Replies
5147 Views |
April 19, 2016, 12:03:22 pm by sluckey |
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Doug's 5F6A Bassman Build
Started by pompeiisneaks |
25 Replies
7033 Views |
April 18, 2016, 10:47:31 pm by pompeiisneaks |
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3 Replies
3372 Views |
April 18, 2016, 10:09:25 pm by Whiskeyzipper |
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My new faceplate
Started by p2pAmps |
9 Replies
4085 Views |
April 18, 2016, 09:10:26 pm by p2pAmps |
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13 Replies
10325 Views |
April 18, 2016, 06:01:55 pm by Paul1453 |
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transformer position and oscillation
Started by alange5 |
5 Replies
4054 Views |
April 18, 2016, 04:10:15 pm by PRR |
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5E3 in a PR Chassis
Started by p2pAmps |
19 Replies
5596 Views |
April 18, 2016, 08:07:18 am by p2pAmps |
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Princeton Reverb Trem issues
Started by ratgon |
11 Replies
3834 Views |
April 17, 2016, 06:44:06 pm by HotBluePlates |
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Prototyping Help
Started by ratgon |
9 Replies
3868 Views |
April 17, 2016, 01:06:59 pm by HotBluePlates |
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8 Replies
5367 Views |
April 17, 2016, 03:02:50 am by sean_thornton |
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PT Hack .... is this possible ?
Started by kagliostro |
9 Replies
3852 Views |
April 17, 2016, 02:56:18 am by kagliostro |
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69 Replies
18553 Views |
April 16, 2016, 05:42:26 pm by Paul1453 |
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10 Replies
4510 Views |
April 16, 2016, 04:05:29 pm by pnadora |
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Added bias pot to Pignose G60VR Tube Combo
Started by JML |
0 Replies
3696 Views |
April 15, 2016, 06:10:51 pm by JML |
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cathode resistor
Started by EKDENTON |
2 Replies
2414 Views |
April 15, 2016, 01:57:28 pm by EKDENTON |
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16 Replies
9650 Views |
April 15, 2016, 08:23:27 am by Mike_J |
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Marshall 1959/2203 preamp build questions
Started by Rp3703 |
6 Replies
3945 Views |
April 13, 2016, 10:53:58 pm by Ritchie200 |
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10 Replies
5544 Views |
April 13, 2016, 09:50:59 pm by HotBluePlates |
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Modded My Jet City PicoValve and WOW!!!!
Started by Erich |
12 Replies
9386 Views |
April 13, 2016, 09:38:43 pm by HotBluePlates |
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12ax7 fixed bias ?
Started by Colas LeGrippa |
15 Replies
9903 Views |
April 13, 2016, 05:49:39 pm by Colas LeGrippa |
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11 Replies
5339 Views |
April 13, 2016, 05:43:59 pm by Colas LeGrippa |
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Hooked up PT wrong on a 6v6 2204 build
Started by jasonvilla |
7 Replies
4323 Views |
April 13, 2016, 03:04:49 pm by jasonvilla |
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Build suggestions for Hammond 279X
Started by ncusack |
2 Replies
1982 Views |
April 13, 2016, 11:15:43 am by Paul1453 |
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Help needed selecting insertion point
Started by Ed_Chambley |
3 Replies
2313 Views |
April 12, 2016, 03:49:19 pm by Ed_Chambley |
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Strange Parisitics in my power section
Started by goldstache |
6 Replies
2821 Views |
April 12, 2016, 07:25:58 am by sluckey |
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Bypass cap and resistor jig
Started by Mike_J |
34 Replies
10143 Views |
April 11, 2016, 07:06:34 pm by Mike_J |
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24 Replies
10227 Views |
April 11, 2016, 01:06:34 pm by jojokeo |
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Isolating a reverb tank
Started by pompeiisneaks |
8 Replies
4227 Views |
April 09, 2016, 07:58:45 pm by pompeiisneaks |
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