Welcome To the Hoffman Amplifiers Forum
January 24, 2026, 06:55:29 pm
Welcome To the Hoffman Amplifiers ForumJanuary 24, 2026, 06:55:29 pm | ||
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preamp tube testing chassis
Started by Quatro |
7 Replies
5606 Views |
October 28, 2012, 03:34:45 amby SoundmasterG |
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50/60 cycles - difference in tone?
Started by Quatro |
5 Replies
7518 Views |
October 28, 2012, 01:00:32 am by HotBluePlates |
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double decked layout boards ?
Started by tubenit |
7 Replies
3809 Views |
October 27, 2012, 05:59:05 am by SoundmasterG |
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6.3V lamp current
Started by spacelabstudio |
7 Replies
4022 Views |
October 26, 2012, 09:02:42 pm by tubeswell |
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filter caps question
Started by dude |
5 Replies
2972 Views |
October 26, 2012, 05:45:28 pm by dude |
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2x Speaker Cab switch
Started by moonbird |
3 Replies
3121 Views |
October 25, 2012, 08:29:50 pm by moonbird |
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Princeton Reverb Clone Preamp Bias
Started by plexi50 |
8 Replies
4549 Views |
October 25, 2012, 06:34:36 pm by HotBluePlates |
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Powercon
Started by spacelabstudio |
1 Replies
2461 Views |
October 25, 2012, 06:32:42 pm by HotBluePlates |
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51 Replies
13193 Views |
October 24, 2012, 05:41:01 pm by embotone |
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Stand Alone JCM800 Preamp Help Please
Started by ncusack |
1 Replies
3494 Views |
October 24, 2012, 11:08:28 am by SILVERGUN |
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44 Replies
17105 Views |
October 23, 2012, 05:42:50 pm by SILVERGUN |
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51 Replies
14989 Views |
October 23, 2012, 04:04:45 pm by SleepLess |
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6v6 ppp output tranny
Started by ernie_jr |
6 Replies
4423 Views |
October 22, 2012, 03:46:27 am by stratele52 |
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Tweed Tone Control Simulation
Started by printer2 |
0 Replies
3155 Views |
October 21, 2012, 09:36:29 pm by printer2 |
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Pilot/heater delay when powering up
Started by Mars-Hall |
4 Replies
2941 Views |
October 21, 2012, 12:08:42 am by PRR |
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10 Replies
3914 Views |
October 20, 2012, 07:43:13 pm by Willabe |
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TREMOLUX AB763 speaker load ?
Started by Colas LeGrippa |
13 Replies
7782 Views |
October 20, 2012, 04:37:03 pm by Colas LeGrippa |
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71 Replies
19526 Views |
October 20, 2012, 09:12:08 am by worth |
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Lower V1 bypass cap value increases hum?
Started by schoolie |
18 Replies
9702 Views |
October 18, 2012, 07:46:35 pm by tubenit |
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Sovtek 5Y3
Started by labb |
18 Replies
8208 Views |
October 18, 2012, 01:16:23 pm by jeff |
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Hi.
Started by musicman3858 |
13 Replies
5293 Views |
October 17, 2012, 02:52:55 pm by Willabe |
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39 Replies
12889 Views |
October 17, 2012, 02:17:46 pm by Gary_S |
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2 Replies
3212 Views |
October 16, 2012, 10:07:26 pm by HotBluePlates |
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2 Replies
3372 Views |
October 16, 2012, 05:10:21 pm by kagliostro |
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11 Replies
11190 Views |
October 16, 2012, 01:31:58 pm by carausius |
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JCM800 6550 issue
Started by newtube |
7 Replies
6162 Views |
October 15, 2012, 10:26:32 pm by PRR |
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Model x what are they good for?
Started by rafe |
7 Replies
4550 Views |
October 15, 2012, 07:42:03 pm by rafe |
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5E3 Volume Tone mod
Started by printer2 |
6 Replies
4232 Views |
October 14, 2012, 07:00:42 pm by printer2 |
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New pre-build pics...eye candy
Started by SILVERGUN |
25 Replies
8057 Views |
October 14, 2012, 12:32:33 pm by SILVERGUN |
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6 Replies
5212 Views |
October 13, 2012, 10:31:55 am by carausius |
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9 Replies
4729 Views |
October 13, 2012, 06:33:52 am by jeff |
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1955 Fender Super Amp
Started by plexi50 |
15 Replies
9449 Views |
October 12, 2012, 04:20:55 pm by HotBluePlates |
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SE AMP build idea ?
Started by Colas LeGrippa |
17 Replies
5995 Views |
October 12, 2012, 08:55:13 am by Colas LeGrippa |
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8 Replies
4085 Views |
October 12, 2012, 08:37:30 am by Colas LeGrippa |
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14 Replies
7562 Views |
October 12, 2012, 02:05:23 am by slidincharlie |
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5 Replies
3725 Views |
October 11, 2012, 10:57:04 pm by PRR |
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Volume spike
Started by jeff |
3 Replies
3200 Views |
October 11, 2012, 08:53:02 pm by SILVERGUN |
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Marshall OP transformer issue
Started by newtube |
11 Replies
6542 Views |
October 10, 2012, 07:55:44 pm by newtube |
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headphone line out on a tube amp
Started by gtrbryan |
5 Replies
3257 Views |
October 10, 2012, 05:57:37 pm by alerich |
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Pot value ?
Started by Stankfut |
3 Replies
2684 Views |
October 10, 2012, 10:50:12 am by Stankfut |
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Ot hole spacing
Started by Stankfut |
3 Replies
2704 Views |
October 10, 2012, 09:19:19 am by Stankfut |
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el84 schedule 40 to 6v6 ?
Started by john_t |
8 Replies
3793 Views |
October 10, 2012, 08:35:14 am by john_t |
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Smaller caps, bigger choke?
Started by schoolie |
11 Replies
5640 Views |
October 10, 2012, 06:50:48 am by HotBluePlates |
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Help with jolida mod
Started by Trall |
7 Replies
4978 Views |
October 09, 2012, 04:09:59 pm by HotBluePlates |
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5 Replies
3895 Views |
October 09, 2012, 10:42:44 am by SILVERGUN |
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Two rectifiers
Started by Leevi |
17 Replies
5980 Views |
October 09, 2012, 08:19:19 am by kagliostro |
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9 Replies
7077 Views |
October 09, 2012, 08:07:51 am by kagliostro |
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Low output on tmb ef86
Started by Bugman3183 |
19 Replies
6886 Views |
October 09, 2012, 04:20:36 am by Bugman3183 |
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Princeton Reverb
Started by plexi50 |
6 Replies
3906 Views |
October 07, 2012, 07:52:40 pm by plexi50 |
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PPIMV issue? UPDATED.
Started by TweeDLX |
17 Replies
7154 Views |
October 07, 2012, 07:52:08 pm by crashtm1 |
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