Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 08:57:56 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 08:57:56 am | ||
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Hoffman Fender Blues Junior Conversion
Started by dand |
9 Replies
3162 Views |
June 12, 2017, 06:34:05 amby EL34 |
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OT question
Started by Johntb |
4 Replies
2005 Views |
June 11, 2017, 12:47:21 pm by Johntb |
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Voltage filament Q
Started by dude |
9 Replies
2689 Views |
June 10, 2017, 08:50:03 pm by shooter |
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larger output trans.
Started by okguitarman |
2 Replies
1761 Views |
June 10, 2017, 06:42:10 pm by okguitarman |
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10 Replies
3052 Views |
June 10, 2017, 09:16:43 am by jjasilli |
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Reverb tank matching
Started by hesamadman |
4 Replies
2948 Views |
June 10, 2017, 07:26:06 am by hesamadman |
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Filmosound conversion....
Started by ratgon |
0 Replies
4672 Views |
June 09, 2017, 11:42:32 pm by ratgon |
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breadboard fun.
Started by DummyLoad |
28 Replies
7665 Views |
June 09, 2017, 09:23:13 pm by DummyLoad |
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promised files to Franco
Started by drgonzonm |
1 Replies
1959 Views |
June 09, 2017, 10:50:43 am by kagliostro |
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49 Replies
27329 Views |
June 09, 2017, 09:05:59 am by jpdesroc |
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Zenith OT wiring ??
Started by zapped |
5 Replies
2559 Views |
June 09, 2017, 08:27:45 am by shooter |
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11 Replies
3831 Views |
June 08, 2017, 08:51:39 pm by punkykatt |
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Fender Hot Rod Deluxe
Started by VladP |
1 Replies
1932 Views |
June 07, 2017, 12:30:09 pm by EL34 |
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Graph of Gain from Input to PI Output
Started by jecars |
15 Replies
3556 Views |
June 06, 2017, 06:58:06 pm by jjasilli |
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FAA teaching
Started by PRR |
7 Replies
2845 Views |
June 06, 2017, 12:06:21 pm by silverfox |
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17 Replies
4249 Views |
June 05, 2017, 08:43:22 pm by DummyLoad |
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Finished 5E3 for a friend.
Started by ratgon |
14 Replies
3052 Views |
June 05, 2017, 03:39:16 pm by jjasilli |
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Hi-Fi amp question.
Started by ratgon |
40 Replies
8294 Views |
June 04, 2017, 09:01:34 pm by DummyLoad |
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MOVED: FriedWoman Brown Eye
Started by sluckey |
0 Replies
1543 Views |
June 04, 2017, 08:03:45 am by sluckey |
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Sluckey's AB763 Deluxe Lite Question
Started by dude |
9 Replies
3046 Views |
June 03, 2017, 05:33:13 pm by dude |
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7 Replies
5410 Views |
June 03, 2017, 02:22:12 pm by kagliostro |
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Princeton Reverb Volume issue - Help?
Started by Imntgrumpy |
10 Replies
3298 Views |
June 03, 2017, 10:11:10 am by HotBluePlates |
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tapping neg. bias voltage
Started by dude |
18 Replies
3850 Views |
June 02, 2017, 11:40:02 pm by dude |
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Adjustable Negative feedback
Started by pbman1953 |
3 Replies
2909 Views |
June 02, 2017, 02:00:16 pm by DummyLoad |
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how not to build an amp?
Started by DummyLoad |
8 Replies
2774 Views |
June 01, 2017, 05:43:56 pm by DummyLoad |
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Use 8417 instead of 6V6?
Started by pompeiisneaks |
16 Replies
5853 Views |
June 01, 2017, 03:59:33 pm by HotBluePlates |
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Using a pot as a variable resisitor
Started by pbman1953 |
4 Replies
2104 Views |
June 01, 2017, 12:11:07 pm by pbman1953 |
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11 Replies
3315 Views |
June 01, 2017, 09:44:33 am by shooter |
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6EU7 to 12AX7 adaptor
Started by g-man |
4 Replies
4440 Views |
June 01, 2017, 06:32:02 am by g-man |
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23 Replies
6993 Views |
May 31, 2017, 08:02:11 am by ylelevier77 |
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98 Replies
23355 Views |
May 31, 2017, 08:00:17 am by pbman1953 |
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*NEW* head cabs for Stout chassis
Started by SILVERGUN |
42 Replies
11682 Views |
May 30, 2017, 03:59:11 pm by Ed_Chambley |
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Blonde Bassman strage behavior in the PI
Started by Dave |
21 Replies
7589 Views |
May 30, 2017, 07:58:02 am by clyde |
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9 Replies
3875 Views |
May 30, 2017, 12:34:11 am by PRR |
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Mounting screws
Started by davidwpack |
4 Replies
2124 Views |
May 29, 2017, 06:12:51 pm by davidwpack |
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93 Replies
18033 Views |
May 29, 2017, 12:29:27 am by sluckey |
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Newbie and Intimidated.
Started by dj_pga |
37 Replies
8244 Views |
May 28, 2017, 03:25:57 pm by purpletele |
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5E3 build with low volume
Started by Apexelectric |
13 Replies
4166 Views |
May 27, 2017, 05:54:37 pm by Apexelectric |
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Sound with MV at zero
Started by jokn |
16 Replies
3839 Views |
May 27, 2017, 02:47:02 pm by kagliostro |
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11 Replies
3402 Views |
May 27, 2017, 12:25:37 am by Willabe |
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Returning Noise in a Fender Hot Rod Deluxe
Started by TerryD |
3 Replies
1792 Views |
May 26, 2017, 09:14:29 pm by TerryD |
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OT impedance for 12ax7
Started by fossilshark |
5 Replies
2573 Views |
May 26, 2017, 06:05:43 pm by PRR |
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Calculate voltage for output tubes
Started by fossilshark |
4 Replies
2252 Views |
May 26, 2017, 05:58:00 pm by PRR |
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Reducing B+ Using Power MOSFET
Started by mwelch55 |
37 Replies
13502 Views |
May 26, 2017, 12:32:11 pm by Colas LeGrippa |
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Carolina Overdrive Special 5879 plus
Started by tubenit |
4 Replies
4395 Views |
May 26, 2017, 04:22:44 am by tubenit |
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12 Replies
3549 Views |
May 25, 2017, 06:31:12 pm by kagliostro |
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24 Replies
6424 Views |
May 25, 2017, 03:29:16 pm by pompeiisneaks |
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0 Replies
5139 Views |
May 25, 2017, 01:57:34 pm by pullshocks |
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21 Replies
6377 Views |
May 24, 2017, 10:16:49 pm by PRR |
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Phase inverter plate driven ?
Started by Colas LeGrippa |
15 Replies
4027 Views |
May 24, 2017, 10:47:31 am by sluckey |
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