Welcome To the Hoffman Amplifiers ForumAugust 29, 2026, 10:31:17 am | ||
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5 Replies
4993 Views |
by LooseChange |
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Ampeg B-15 build
Started by LooseChange |
9 Replies
6596 Views |
by LooseChange |
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Virtual TUBE TESTER
Started by Colas LeGrippa |
10 Replies
7268 Views |
by stratele52 |
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Service for Carvin PA in mid west
Started by chuggy |
4 Replies
4647 Views |
by bigsbybender |
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6.3V DC heaters
Started by jeff |
2 Replies
5537 Views |
by John |
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7 Replies
6054 Views |
by ajeffcote |
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4 Replies
4952 Views |
by m3moser |
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16 Replies
11403 Views |
by HotBluePlates |
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8 Replies
13520 Views |
by RicharD |
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plexi/pro bypass switch
Started by burt_toast |
3 Replies
4627 Views |
by burt_toast |
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Bumble B+/Solow Watt ECL84
Started by JBP |
12 Replies
15005 Views |
by JBP |
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VHT special 6 ultra
Started by jeff |
1 Replies
4905 Views |
by Ritchie200 |
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silvertone 1484 tremelo issue
Started by Steve S. |
30 Replies
17045 Views |
by punkykatt |
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ECL84 push-pull amp - Help!
Started by blackcorvo |
49 Replies
32729 Views |
by blackcorvo |
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Help finding buzz
Started by 12AX7 |
5 Replies
6732 Views |
by 12AX7 |
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Bad plate resistors
Started by daveyajd |
6 Replies
7661 Views |
by daveyajd |
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8 Replies
5467 Views |
by overtone |
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2204 Marshall Build Half Power Switch
Started by Ed_Chambley |
7 Replies
8346 Views |
by alerich |
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Princeton Reverb cabinet plans
Started by TubeGeek |
12 Replies
21836 Views |
by TubeGeek |
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13 Replies
9400 Views |
by proaudioguy |
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Fender 3 prong plug wiring (and more)
Started by daveyajd |
12 Replies
12522 Views |
by birt |
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Hammond 125D Hookup for ECL84 Tubes
Started by TIMBO |
9 Replies
7865 Views |
by TIMBO |
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Attenuator schematic?
Started by 12AX7 |
1 Replies
12685 Views |
by kagliostro |
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13 Replies
8218 Views |
by HotBluePlates |
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Webster re-do
Started by John |
2 Replies
3826 Views |
by John |
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Bogen Amp Project
Started by daveyajd |
11 Replies
7550 Views |
by Willabe |
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Help Please 6G15 Reverb Feed Back
Started by Willabe |
5 Replies
6325 Views |
by Willabe |
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What's happening here?
Started by tubenit |
7 Replies
6382 Views |
by tubeswell |
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Question on 1 tube reverb
Started by ACDCG400 |
5 Replies
5204 Views |
by ACDCG400 |
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2 Replies
3981 Views |
by Colas LeGrippa |
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foot switch with light
Started by chuggy |
1 Replies
3812 Views |
by jeff |
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Within a 12AX7
Started by jeff |
8 Replies
5965 Views |
by jeff |
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need to drop 30V
Started by bnew63 |
13 Replies
6581 Views |
by stratele52 |
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8 Replies
5586 Views |
by G._Hoffman |
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Custom Princeton chassis???
Started by crashtm1 |
0 Replies
3927 Views |
by crashtm1 |
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7 Replies
5996 Views |
by bruno |
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30 Replies
13722 Views |
by tubeswell |
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Anyone built an ac30 using 6V6s?
Started by bruno |
4 Replies
5380 Views |
by darkbluemurder |
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5 Replies
6037 Views |
by Ed_Chambley |
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Judge roy bean tone stack?
Started by 12AX7 |
3 Replies
8066 Views |
by bruno |
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How to interpret circuit simulation
Started by frank57 |
0 Replies
3999 Views |
by frank57 |
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1 Replies
4111 Views |
by jjasilli |
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choke input power supply help
Started by jbrew73 |
9 Replies
7562 Views |
by jbrew73 |
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9 Replies
7032 Views |
by John |
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Theory behind PI problem(?)
Started by Geezer |
2 Replies
4281 Views |
by Geezer |
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Grounding questions
Started by 12AX7 |
1 Replies
5643 Views |
by stratele52 |
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19 Replies
11174 Views |
by Ed_Chambley |
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help with new amp
Started by bnew63 |
14 Replies
7603 Views |
by Ed_Chambley |
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Snake oil? or cork sniffing?
Started by tubeswell |
10 Replies
6494 Views |
by EL34 |
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Doug's Board Material
Started by Ed_Chambley |
7 Replies
5377 Views |
by EL34 |
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