Welcome To the Hoffman Amplifiers Forum
December 09, 2025, 07:11:02 am
Welcome To the Hoffman Amplifiers ForumDecember 09, 2025, 07:11:02 am | ||
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| 0 Members and 122 Guests are viewing this board. | ||||
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Send Receive schematic
Started by Lizard King |
2 Replies
2842 Views |
November 06, 2012, 10:51:33 amby Lizard King |
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latest build
Started by ernie_jr |
5 Replies
3093 Views |
November 06, 2012, 04:47:32 am by LooseChange |
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1 Replies
3648 Views |
November 06, 2012, 04:29:32 am by stratele52 |
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2 Replies
2123 Views |
November 05, 2012, 08:35:22 pm by PRR |
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Univox Help Needed
Started by cdmarion |
22 Replies
7117 Views |
November 05, 2012, 05:52:09 pm by Ritchie200 |
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Bassman AA865 - {really AC568}
Started by Lizard King |
14 Replies
6932 Views |
November 05, 2012, 07:13:58 am by Lizard King |
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Hum in a GA-19RVT.......
Started by Jack_Hester |
36 Replies
11390 Views |
November 05, 2012, 05:08:04 am by Jack_Hester |
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6G9 Tremolux bias questions
Started by Gone_Fishing |
12 Replies
5397 Views |
November 04, 2012, 11:06:51 am by sluckey |
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13 Replies
8118 Views |
November 04, 2012, 05:57:07 am by six el six |
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24 Replies
10488 Views |
November 03, 2012, 07:16:03 pm by smackoj |
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8 Replies
4234 Views |
November 03, 2012, 11:44:55 am by HotBluePlates |
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12 Replies
5281 Views |
November 02, 2012, 02:41:11 am by kagliostro |
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HRD Crackling: Update Sucess!
Started by plexi50 |
32 Replies
8352 Views |
November 01, 2012, 04:56:33 pm by phsyconoodler |
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coupling caps quality
Started by Colas LeGrippa |
27 Replies
16391 Views |
November 01, 2012, 02:25:44 pm by Colas LeGrippa |
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Mitchell Pro 100 Schematics?
Started by balcorn80 |
8 Replies
7352 Views |
October 31, 2012, 06:16:41 pm by HotBluePlates |
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Valco tonemaster schem ?
Started by jerrydyer |
4 Replies
4231 Views |
October 30, 2012, 06:51:46 pm by HotBluePlates |
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Setting bias using amp head bias probe
Started by frank57 |
5 Replies
4379 Views |
October 30, 2012, 02:40:14 pm by stratele52 |
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7591 tubes
Started by ernie_jr |
10 Replies
15499 Views |
October 30, 2012, 01:45:47 pm by PRR |
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Trainwreck Express vs Marshall 1987 Plexi
Started by jojokeo |
34 Replies
21320 Views |
October 29, 2012, 07:30:43 pm by printer2 |
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Control Grid Reading On EL34.
Started by Gary_S |
30 Replies
14317 Views |
October 29, 2012, 02:46:01 pm by Gary_S |
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26 Replies
11555 Views |
October 29, 2012, 09:55:48 am by TubeGeek |
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Very Strange Problem
Started by dscottguitars |
11 Replies
4101 Views |
October 29, 2012, 12:55:49 am by PRR |
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Gibson Thor output impedance
Started by Tiny_Daddy |
3 Replies
2675 Views |
October 28, 2012, 12:00:57 pm by HotBluePlates |
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preamp tube testing chassis
Started by Quatro |
7 Replies
5115 Views |
October 28, 2012, 03:34:45 am by SoundmasterG |
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50/60 cycles - difference in tone?
Started by Quatro |
5 Replies
6982 Views |
October 28, 2012, 01:00:32 am by HotBluePlates |
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double decked layout boards ?
Started by tubenit |
7 Replies
3414 Views |
October 27, 2012, 05:59:05 am by SoundmasterG |
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6.3V lamp current
Started by spacelabstudio |
7 Replies
3653 Views |
October 26, 2012, 09:02:42 pm by tubeswell |
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filter caps question
Started by dude |
5 Replies
2577 Views |
October 26, 2012, 05:45:28 pm by dude |
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2x Speaker Cab switch
Started by moonbird |
3 Replies
2741 Views |
October 25, 2012, 08:29:50 pm by moonbird |
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Princeton Reverb Clone Preamp Bias
Started by plexi50 |
8 Replies
4096 Views |
October 25, 2012, 06:34:36 pm by HotBluePlates |
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Powercon
Started by spacelabstudio |
1 Replies
2174 Views |
October 25, 2012, 06:32:42 pm by HotBluePlates |
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51 Replies
11814 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
3153 Views |
October 24, 2012, 11:08:28 am by SILVERGUN |
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44 Replies
15850 Views |
October 23, 2012, 05:42:50 pm by SILVERGUN |
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51 Replies
13413 Views |
October 23, 2012, 04:04:45 pm by SleepLess |
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6v6 ppp output tranny
Started by ernie_jr |
6 Replies
4075 Views |
October 22, 2012, 03:46:27 am by stratele52 |
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Tweed Tone Control Simulation
Started by printer2 |
0 Replies
2834 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
2593 Views |
October 21, 2012, 12:08:42 am by PRR |
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10 Replies
3431 Views |
October 20, 2012, 07:43:13 pm by Willabe |
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TREMOLUX AB763 speaker load ?
Started by Colas LeGrippa |
13 Replies
7168 Views |
October 20, 2012, 04:37:03 pm by Colas LeGrippa |
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71 Replies
17565 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
9045 Views |
October 18, 2012, 07:46:35 pm by tubenit |
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Sovtek 5Y3
Started by labb |
18 Replies
7600 Views |
October 18, 2012, 01:16:23 pm by jeff |
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Hi.
Started by musicman3858 |
13 Replies
4811 Views |
October 17, 2012, 02:52:55 pm by Willabe |
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39 Replies
11622 Views |
October 17, 2012, 02:17:46 pm by Gary_S |
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2 Replies
2949 Views |
October 16, 2012, 10:07:26 pm by HotBluePlates |
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2 Replies
3058 Views |
October 16, 2012, 05:10:21 pm by kagliostro |
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11 Replies
10586 Views |
October 16, 2012, 01:31:58 pm by carausius |
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JCM800 6550 issue
Started by newtube |
7 Replies
5648 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
4179 Views |
October 15, 2012, 07:42:03 pm by rafe |
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