Welcome To the Hoffman Amplifiers Forum
March 12, 2026, 04:32:39 pm
Welcome To the Hoffman Amplifiers ForumMarch 12, 2026, 04:32:39 pm | ||
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OT specs and what the mean
Started by Ed_Chambley |
26 Replies
13200 Views |
December 14, 2011, 07:56:43 pmby Ed_Chambley |
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Champ question
Started by worth |
16 Replies
7734 Views |
December 14, 2011, 06:18:52 pm by HotBluePlates |
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Parts Just Arrived For 5F6A
Started by Ed_Chambley |
19 Replies
10669 Views |
December 14, 2011, 09:04:42 am by Ed_Chambley |
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36 Replies
24646 Views |
December 14, 2011, 05:12:10 am by LooseChange |
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Which scheme sounds better?
Started by heavil |
2 Replies
3490 Views |
December 14, 2011, 03:49:10 am by heavil |
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4 Replies
3593 Views |
December 13, 2011, 08:19:57 pm by John |
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8 Replies
6619 Views |
December 13, 2011, 03:51:09 pm by HotBluePlates |
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OT question
Started by Colas LeGrippa |
2 Replies
3636 Views |
December 12, 2011, 07:52:48 am by Colas LeGrippa |
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should i reform?
Started by kwm488 |
18 Replies
7753 Views |
December 12, 2011, 04:54:09 am by LooseChange |
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Active vs Passive
Started by J Rindt |
6 Replies
5241 Views |
December 11, 2011, 10:56:44 pm by PRR |
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Attenuator question
Started by jeff |
10 Replies
5864 Views |
December 11, 2011, 10:46:22 pm by PRR |
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what exactly does this cap do?
Started by 12AX7 |
2 Replies
4294 Views |
December 11, 2011, 07:57:24 pm by 12AX7 |
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fixed bias issue
Started by Colas LeGrippa |
2 Replies
3547 Views |
December 11, 2011, 05:12:37 pm by Colas LeGrippa |
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8 Replies
6114 Views |
December 11, 2011, 10:12:56 am by Ed_Chambley |
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1 Replies
3576 Views |
December 11, 2011, 06:24:42 am by tubenit |
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3 Replies
3630 Views |
December 11, 2011, 06:14:15 am by tubenit |
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2 Replies
3188 Views |
December 10, 2011, 11:34:36 pm by HotBluePlates |
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Vibro Champ Tremolo question!
Started by blueznet |
7 Replies
7561 Views |
December 10, 2011, 11:14:45 pm by HotBluePlates |
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6 Replies
4526 Views |
December 10, 2011, 07:09:45 pm by Colas LeGrippa |
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6 Replies
4864 Views |
December 10, 2011, 06:49:33 pm by Pastortom |
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Sho-Bud TelStar
Started by Blind Lemon |
0 Replies
3338 Views |
December 10, 2011, 06:19:53 pm by Blind Lemon |
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The New Peavey Classic 30
Started by plexi50 |
3 Replies
3987 Views |
December 10, 2011, 04:57:46 pm by triode |
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PI cap question
Started by 12AX7 |
10 Replies
7059 Views |
December 10, 2011, 12:36:40 pm by HotBluePlates |
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31 Replies
13669 Views |
December 10, 2011, 12:05:03 pm by HotBluePlates |
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HRD conversion amp
Started by Tiny_Daddy |
4 Replies
2982 Views |
December 09, 2011, 08:26:58 pm by Rev D |
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Would you add grid resistor to Power Tubes
Started by Cups |
3 Replies
3652 Views |
December 09, 2011, 07:57:56 am by Colas LeGrippa |
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13 Replies
10331 Views |
December 09, 2011, 07:52:43 am by Ed_Chambley |
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Ampeg SVT CL biasing
Started by six el six |
13 Replies
9318 Views |
December 09, 2011, 04:44:50 am by birt |
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5 Replies
4859 Views |
December 08, 2011, 06:43:49 pm by HotBluePlates |
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What is this?
Started by tubenit |
17 Replies
9294 Views |
December 08, 2011, 06:31:09 pm by HotBluePlates |
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Sozo vintage "mustard" caps
Started by 12AX7 |
6 Replies
7122 Views |
December 08, 2011, 04:50:39 pm by thermion |
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princetone reverb master volume
Started by phsyconoodler |
46 Replies
19161 Views |
December 08, 2011, 03:29:43 pm by phsyconoodler |
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Reallly bad bias problem :(
Started by ACDCG400 |
12 Replies
5911 Views |
December 08, 2011, 02:49:28 pm by ACDCG400 |
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TREBLE CUT 3 POSITIONS SWITCH
Started by Colas LeGrippa |
11 Replies
5362 Views |
December 08, 2011, 08:27:52 am by tubenit |
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VOX AC50 and old caps/resistors
Started by Leevi |
5 Replies
5237 Views |
December 08, 2011, 06:02:05 am by SoundmasterG |
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TOS REBUILD ALMOST DONE
Started by TIMBO |
1 Replies
3488 Views |
December 08, 2011, 04:29:35 am by tubenit |
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16 Replies
9546 Views |
December 07, 2011, 09:46:59 pm by Willabe |
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S T A A L H O O F D mod
Started by Colas LeGrippa |
21 Replies
12797 Views |
December 07, 2011, 04:20:48 pm by Colas LeGrippa |
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12 Replies
6880 Views |
December 07, 2011, 02:31:05 pm by Ed_Chambley |
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combine this preamp with that power amp
Started by embotone |
7 Replies
4308 Views |
December 07, 2011, 12:21:11 pm by RicharD |
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9 Replies
6217 Views |
December 07, 2011, 10:23:52 am by tubenit |
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6 Replies
4602 Views |
December 07, 2011, 12:46:32 am by Platefire |
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Hoffman/Randall 50 watt schematic
Started by macula56 |
7 Replies
4765 Views |
December 06, 2011, 08:46:19 pm by EL34 |
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2 Replies
3594 Views |
December 05, 2011, 05:59:39 pm by sluckey |
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3 Replies
5428 Views |
December 05, 2011, 10:09:42 am by 12AX7 |
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3 Replies
5377 Views |
December 04, 2011, 02:20:04 pm by Jack1962 |
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EL84 Sockets Well Done
Started by plexi50 |
9 Replies
5568 Views |
December 04, 2011, 10:41:07 am by Tiny_Daddy |
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7 Replies
4560 Views |
December 03, 2011, 09:43:22 pm by HotBluePlates |
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Silvertone Twin 12 with low output
Started by BigE |
5 Replies
4721 Views |
December 03, 2011, 03:14:17 pm by LooseChange |
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2 Replies
3109 Views |
December 03, 2011, 12:46:53 pm by kagliostro |
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Very Hot Topic (More than 50 replies)
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