Welcome To the Hoffman Amplifiers Forum
April 26, 2026, 08:37:20 pm
Welcome To the Hoffman Amplifiers ForumApril 26, 2026, 08:37:20 pm | ||
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Graph of Gain from Input to PI Output
Started by jecars |
15 Replies
6018 Views |
June 06, 2017, 06:58:06 pmby jjasilli |
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FAA teaching
Started by PRR |
7 Replies
5823 Views |
June 06, 2017, 12:06:21 pm by silverfox |
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17 Replies
6785 Views |
June 05, 2017, 08:43:22 pm by DummyLoad |
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Finished 5E3 for a friend.
Started by ratgon |
14 Replies
4559 Views |
June 05, 2017, 03:39:16 pm by jjasilli |
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Hi-Fi amp question.
Started by ratgon |
40 Replies
12560 Views |
June 04, 2017, 09:01:34 pm by DummyLoad |
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MOVED: FriedWoman Brown Eye
Started by sluckey |
0 Replies
3330 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
5237 Views |
June 03, 2017, 05:33:13 pm by dude |
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7 Replies
7854 Views |
June 03, 2017, 02:22:12 pm by kagliostro |
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Princeton Reverb Volume issue - Help?
Started by Imntgrumpy |
10 Replies
5354 Views |
June 03, 2017, 10:11:10 am by HotBluePlates |
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tapping neg. bias voltage
Started by dude |
18 Replies
6349 Views |
June 02, 2017, 11:40:02 pm by dude |
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Adjustable Negative feedback
Started by pbman1953 |
3 Replies
4787 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
4604 Views |
June 01, 2017, 05:43:56 pm by DummyLoad |
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Use 8417 instead of 6V6?
Started by pompeiisneaks |
16 Replies
9174 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
4001 Views |
June 01, 2017, 12:11:07 pm by pbman1953 |
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11 Replies
5640 Views |
June 01, 2017, 09:44:33 am by shooter |
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6EU7 to 12AX7 adaptor
Started by g-man |
4 Replies
6460 Views |
June 01, 2017, 06:32:02 am by g-man |
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23 Replies
9825 Views |
May 31, 2017, 08:02:11 am by ylelevier77 |
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98 Replies
30649 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
17998 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
10257 Views |
May 30, 2017, 07:58:02 am by clyde |
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9 Replies
5943 Views |
May 30, 2017, 12:34:11 am by PRR |
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Mounting screws
Started by davidwpack |
4 Replies
4252 Views |
May 29, 2017, 06:12:51 pm by davidwpack |
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93 Replies
25583 Views |
May 29, 2017, 12:29:27 am by sluckey |
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Newbie and Intimidated.
Started by dj_pga |
37 Replies
11565 Views |
May 28, 2017, 03:25:57 pm by purpletele |
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5E3 build with low volume
Started by Apexelectric |
13 Replies
6589 Views |
May 27, 2017, 05:54:37 pm by Apexelectric |
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Sound with MV at zero
Started by jokn |
16 Replies
6336 Views |
May 27, 2017, 02:47:02 pm by kagliostro |
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11 Replies
5559 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
3607 Views |
May 26, 2017, 09:14:29 pm by TerryD |
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OT impedance for 12ax7
Started by fossilshark |
5 Replies
4646 Views |
May 26, 2017, 06:05:43 pm by PRR |
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Calculate voltage for output tubes
Started by fossilshark |
4 Replies
4154 Views |
May 26, 2017, 05:58:00 pm by PRR |
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Reducing B+ Using Power MOSFET
Started by mwelch55 |
37 Replies
17709 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
6670 Views |
May 26, 2017, 04:22:44 am by tubenit |
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12 Replies
5871 Views |
May 25, 2017, 06:31:12 pm by kagliostro |
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24 Replies
10232 Views |
May 25, 2017, 03:29:16 pm by pompeiisneaks |
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0 Replies
7721 Views |
May 25, 2017, 01:57:34 pm by pullshocks |
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21 Replies
9687 Views |
May 24, 2017, 10:16:49 pm by PRR |
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Phase inverter plate driven ?
Started by Colas LeGrippa |
15 Replies
6742 Views |
May 24, 2017, 10:47:31 am by sluckey |
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5E3 Deluxe Point-to-Point Layout
Started by robrob |
2 Replies
3555 Views |
May 23, 2017, 12:26:26 pm by robrob |
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Trainwreck Liverpool
Started by Leevi |
26 Replies
11313 Views |
May 22, 2017, 02:17:12 pm by kagliostro |
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weird power tube behaviour
Started by Colas LeGrippa |
5 Replies
4461 Views |
May 22, 2017, 10:32:25 am by Colas LeGrippa |
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7 Replies
4361 Views |
May 22, 2017, 10:25:29 am by shooter |
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Cordovox
Started by matt mincer |
13 Replies
7861 Views |
May 21, 2017, 08:33:01 pm by PRR |
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redux of a redux.
Started by DummyLoad |
7 Replies
4751 Views |
May 21, 2017, 05:38:20 pm by DummyLoad |
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Princeton Reverb breakup
Started by who...me? |
8 Replies
6045 Views |
May 21, 2017, 01:19:03 pm by vibrolax |
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30 Replies
10485 Views |
May 20, 2017, 02:36:20 pm by purpletele |
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New Amp Build - 6V6 Plexi
Started by Blind Lemon |
19 Replies
6371 Views |
May 19, 2017, 08:13:31 pm by Blind Lemon |
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What is this component?
Started by tubenit |
10 Replies
6170 Views |
May 19, 2017, 07:04:06 pm by brewdude |
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LENARD SGB100
Started by TIMBO |
13 Replies
5559 Views |
May 19, 2017, 03:18:57 pm by TIMBO |
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9 Replies
5879 Views |
May 19, 2017, 12:03:58 pm by frankenxtein |
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one channel AB763 Voltages?
Started by nickp |
1 Replies
3288 Views |
May 19, 2017, 11:22:50 am by PRR |
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