Welcome To the Hoffman Amplifiers Forum
April 25, 2026, 05:16:41 pm
Welcome To the Hoffman Amplifiers ForumApril 25, 2026, 05:16:41 pm | ||
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Please do not use VPN's
Started by EL34 |
48 Replies
12068 Views |
February 26, 2026, 11:41:16 amby Greenwichpaul |
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ALL-TIME great information
Started by PRR |
0 Replies
53376 Views |
April 16, 2018, 08:09:37 pm by PRR |
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1 Replies
60750 Views |
October 30, 2015, 01:24:25 pm by EL34 |
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What's this board for?
Started by EL34 |
0 Replies
38598 Views |
May 28, 2009, 04:14:29 pm by EL34 |
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34 Replies
5291 Views |
April 25, 2026, 12:07:18 pm by wsscott |
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A Question about system design
Started by pbman1953 |
5 Replies
954 Views |
April 25, 2026, 06:21:25 am by pbman1953 |
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93 Replies
7352 Views |
April 24, 2026, 02:10:56 pm by wsscott |
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4 Replies
165 Views |
April 24, 2026, 10:38:32 am by pbman1953 |
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AO-35 Schematics
Started by Texson |
1 Replies
141 Views |
April 24, 2026, 07:16:59 am by sluckey |
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14 Replies
1607 Views |
April 24, 2026, 05:48:35 am by HotBluePlates |
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FILMOSOUND REBUILT
Started by jujudublues |
28 Replies
7158 Views |
April 23, 2026, 04:54:42 pm by Graydigger |
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Layout once-over?
Started by johnnyreece |
1 Replies
210 Views |
April 22, 2026, 03:41:08 pm by acheld |
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Princeton Reverb circuit refinements
Started by tristanc |
22 Replies
5250 Views |
April 22, 2026, 06:49:30 am by tristanc |
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20 Replies
3254 Views |
April 21, 2026, 12:00:47 pm by passaloutre |
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Grid Bias Versus Cathode Question
Started by apeontheweb |
9 Replies
2763 Views |
April 20, 2026, 05:42:51 am by HotBluePlates |
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8 Replies
5622 Views |
April 17, 2026, 04:34:41 pm by scstill |
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18 Replies
8506 Views |
April 17, 2026, 10:02:56 am by mistersnitz |
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21 Replies
4779 Views |
April 16, 2026, 10:28:32 am by johnnyreece |
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Help with Vibrolux Reverb
Started by ratgon |
19 Replies
1669 Views |
April 16, 2026, 08:58:38 am by Willabe |
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minor Major 7 combo
Started by CascoSieg |
2 Replies
609 Views |
April 15, 2026, 06:03:53 am by tubenit |
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Newcomb E-17 "guitarified"
Started by Jennings |
6 Replies
671 Views |
April 14, 2026, 07:11:06 am by Jennings |
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3 Replies
571 Views |
April 13, 2026, 09:54:21 am by acheld |
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11 Replies
699 Views |
April 13, 2026, 08:33:02 am by pbman1953 |
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Pro Junior tonestack lift
Started by rogbHW80 |
15 Replies
3826 Views |
April 13, 2026, 08:15:28 am by rogbHW80 |
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Can I Get a Sanity Check ?
Started by jewishjay |
4 Replies
763 Views |
April 11, 2026, 04:09:16 pm by ghostinthescope |
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55 Replies
40765 Views |
April 09, 2026, 08:29:45 pm by tubenit |
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Seeking Bias Checker Input
Started by RoadShow |
10 Replies
2396 Views |
April 08, 2026, 12:13:47 pm by stratomaster |
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IS there a reason to build another AMP
Started by TIMBO |
18 Replies
6528 Views |
April 08, 2026, 08:44:42 am by AX84CH |
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2 Replies
799 Views |
April 07, 2026, 04:44:50 am by Yosser |
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2 Replies
1155 Views |
April 06, 2026, 08:07:24 am by BrianS |
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17 Replies
3490 Views |
April 05, 2026, 10:53:19 pm by glass54 |
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6GH8A any good?
Started by Jonas |
6 Replies
2568 Views |
April 05, 2026, 05:00:08 pm by Jonas |
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72 Replies
27420 Views |
April 05, 2026, 03:36:18 pm by pdf64 |
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9 Replies
2280 Views |
April 05, 2026, 03:32:46 pm by pdf64 |
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3 Replies
2119 Views |
April 04, 2026, 07:06:48 am by Backwoods Joe |
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23 Replies
3430 Views |
April 03, 2026, 09:32:30 am by apeontheweb |
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Tweed pre with XLR out
Started by J3ona1 |
3 Replies
2571 Views |
April 03, 2026, 07:09:10 am by J3ona1 |
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Cathodyne + EL34
Started by FREYES_7 |
5 Replies
3260 Views |
April 03, 2026, 05:49:37 am by HotBluePlates |
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ab763 voltages
Started by Beezerboy |
2 Replies
2966 Views |
April 02, 2026, 03:54:00 pm by HotBluePlates |
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10 Replies
3001 Views |
April 02, 2026, 03:08:48 pm by Dealbreaker |
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1 Replies
2470 Views |
April 02, 2026, 08:58:15 am by kagliostro |
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Master Volume for Paraphase Inverter
Started by passaloutre |
9 Replies
2555 Views |
April 01, 2026, 10:32:42 am by passaloutre |
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Help! Speaker switch hammond 1650H
Started by Banjan73 |
9 Replies
2718 Views |
March 31, 2026, 08:22:15 am by Banjan73 |
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StewMac Valve Factory 18
Started by bartman |
6 Replies
4525 Views |
March 30, 2026, 06:10:06 pm by exnihilfit |
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26 Replies
4529 Views |
March 30, 2026, 09:14:05 am by sluckey |
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Blues Jr Hoffman Circuit Adding Reverb
Started by ALK2MT |
3 Replies
3636 Views |
March 27, 2026, 12:08:36 pm by stratomaster |
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1 Replies
2846 Views |
March 26, 2026, 08:04:15 am by Rontone |
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Shielded Jack
Started by astronomicum |
7 Replies
3747 Views |
March 25, 2026, 05:06:15 pm by astronomicum |
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LOW Output from 50's GA20
Started by Yeatzee |
11 Replies
4051 Views |
March 25, 2026, 01:40:21 pm by Yeatzee |
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6 Replies
3274 Views |
March 24, 2026, 09:51:40 am by Rontone |
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