Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 08:02:42 pm
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 08:02:42 pm | ||
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what exactly does this cap do?
Started by 12AX7 |
2 Replies
4929 Views |
December 11, 2011, 07:57:24 pmby 12AX7 |
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fixed bias issue
Started by Colas LeGrippa |
2 Replies
3864 Views |
December 11, 2011, 05:12:37 pm by Colas LeGrippa |
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8 Replies
6630 Views |
December 11, 2011, 10:12:56 am by Ed_Chambley |
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1 Replies
3902 Views |
December 11, 2011, 06:24:42 am by tubenit |
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3 Replies
3941 Views |
December 11, 2011, 06:14:15 am by tubenit |
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2 Replies
3528 Views |
December 10, 2011, 11:34:36 pm by HotBluePlates |
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Vibro Champ Tremolo question!
Started by blueznet |
7 Replies
8058 Views |
December 10, 2011, 11:14:45 pm by HotBluePlates |
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6 Replies
4859 Views |
December 10, 2011, 07:09:45 pm by Colas LeGrippa |
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6 Replies
5245 Views |
December 10, 2011, 06:49:33 pm by Pastortom |
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Sho-Bud TelStar
Started by Blind Lemon |
0 Replies
3640 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
4316 Views |
December 10, 2011, 04:57:46 pm by triode |
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PI cap question
Started by 12AX7 |
10 Replies
7802 Views |
December 10, 2011, 12:36:40 pm by HotBluePlates |
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31 Replies
14529 Views |
December 10, 2011, 12:05:03 pm by HotBluePlates |
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HRD conversion amp
Started by Tiny_Daddy |
4 Replies
3257 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
3962 Views |
December 09, 2011, 07:57:56 am by Colas LeGrippa |
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13 Replies
10869 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
9881 Views |
December 09, 2011, 04:44:50 am by birt |
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5 Replies
5258 Views |
December 08, 2011, 06:43:49 pm by HotBluePlates |
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What is this?
Started by tubenit |
17 Replies
9619 Views |
December 08, 2011, 06:31:09 pm by HotBluePlates |
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Sozo vintage "mustard" caps
Started by 12AX7 |
6 Replies
7747 Views |
December 08, 2011, 04:50:39 pm by thermion |
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princetone reverb master volume
Started by phsyconoodler |
46 Replies
19840 Views |
December 08, 2011, 03:29:43 pm by phsyconoodler |
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Reallly bad bias problem :(
Started by ACDCG400 |
12 Replies
6282 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
5758 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
5565 Views |
December 08, 2011, 06:02:05 am by SoundmasterG |
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TOS REBUILD ALMOST DONE
Started by TIMBO |
1 Replies
3805 Views |
December 08, 2011, 04:29:35 am by tubenit |
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16 Replies
10070 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
13244 Views |
December 07, 2011, 04:20:48 pm by Colas LeGrippa |
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12 Replies
7260 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
4610 Views |
December 07, 2011, 12:21:11 pm by RicharD |
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9 Replies
6628 Views |
December 07, 2011, 10:23:52 am by tubenit |
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6 Replies
4929 Views |
December 07, 2011, 12:46:32 am by Platefire |
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Hoffman/Randall 50 watt schematic
Started by macula56 |
7 Replies
5176 Views |
December 06, 2011, 08:46:19 pm by EL34 |
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2 Replies
3936 Views |
December 05, 2011, 05:59:39 pm by sluckey |
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3 Replies
6104 Views |
December 05, 2011, 10:09:42 am by 12AX7 |
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3 Replies
5714 Views |
December 04, 2011, 02:20:04 pm by Jack1962 |
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EL84 Sockets Well Done
Started by plexi50 |
9 Replies
5913 Views |
December 04, 2011, 10:41:07 am by Tiny_Daddy |
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7 Replies
4913 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
5051 Views |
December 03, 2011, 03:14:17 pm by LooseChange |
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2 Replies
3401 Views |
December 03, 2011, 12:46:53 pm by kagliostro |
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coupling cap question
Started by 12AX7 |
4 Replies
5826 Views |
December 03, 2011, 09:14:56 am by 12AX7 |
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7 Replies
5714 Views |
December 03, 2011, 02:57:42 am by kagliostro |
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180 Replies
58757 Views |
December 03, 2011, 01:57:10 am by blown240 |
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3.4K or 6.8K for 6L6 in push pull?
Started by Baguette |
4 Replies
5458 Views |
December 02, 2011, 08:58:55 pm by PRR |
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'50s Epiphone EA-35.....cool story
Started by Geezer |
33 Replies
15904 Views |
December 02, 2011, 08:46:46 pm by HotBluePlates |
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Tame new speakers for a 5f4
Started by Ed_Chambley |
21 Replies
11120 Views |
December 01, 2011, 08:58:23 pm by Ed_Chambley |
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MOVED: Attention Tampa
Started by tubenit |
0 Replies
3883 Views |
December 01, 2011, 02:32:58 pm by tubenit |
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output tranny issues
Started by ernie_jr |
2 Replies
4225 Views |
November 30, 2011, 08:27:08 pm by six el six |
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17 Replies
8779 Views |
November 30, 2011, 07:35:20 pm by Underwood |
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Update on my Violater design
Started by escopunk |
10 Replies
5847 Views |
November 30, 2011, 03:17:08 pm by escopunk |
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2 Replies
3826 Views |
November 30, 2011, 02:44:24 pm by frank57 |
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