Welcome To the Hoffman Amplifiers Forum
April 27, 2026, 03:29:04 am
Welcome To the Hoffman Amplifiers ForumApril 27, 2026, 03:29:04 am | ||
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| 0 Members and 32 Guests are viewing this board. | ||||
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low frequency hum solved
Started by Colas LeGrippa |
1 Replies
5473 Views |
June 19, 2016, 09:24:09 amby HotBluePlates |
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77 Replies
26305 Views |
June 19, 2016, 06:50:13 am by p2pAmps |
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3 Replies
4122 Views |
June 18, 2016, 08:16:00 pm by Colas LeGrippa |
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13 Replies
12991 Views |
June 18, 2016, 01:00:01 pm by HotBluePlates |
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ESR Meter Screen of Old Capacitors
Started by Justa |
2 Replies
3723 Views |
June 18, 2016, 12:53:34 pm by Justa |
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4 Replies
4079 Views |
June 18, 2016, 09:58:48 am by Papa Jim |
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Bias Tap on PT?
Started by Clear Guy |
20 Replies
10240 Views |
June 18, 2016, 09:37:45 am by drgonzonm |
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output tranny suggestion
Started by ernie_jr |
3 Replies
3668 Views |
June 18, 2016, 07:58:26 am by drgonzonm |
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Pictures for AB763 Builders
Started by p2pAmps |
3 Replies
3557 Views |
June 18, 2016, 01:10:05 am by kagliostro |
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6 Replies
5348 Views |
June 17, 2016, 10:43:22 pm by TubeGeek |
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Supro 1965t
Started by mayburyds |
0 Replies
3274 Views |
June 17, 2016, 04:57:26 am by mayburyds |
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10 Replies
7342 Views |
June 17, 2016, 04:39:00 am by Glennjeff |
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Finished Amp/hum issue!
Started by basschops1528 « 1 2 » |
65 Replies
20025 Views |
June 16, 2016, 06:25:05 pm by pompeiisneaks |
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17 Replies
7165 Views |
June 16, 2016, 01:40:40 pm by Papa Jim |
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53 Replies
16949 Views |
June 16, 2016, 12:10:42 pm by markmalin |
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Kay 703 safety revisited
Started by mresistor |
10 Replies
7203 Views |
June 16, 2016, 10:15:30 am by mresistor |
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6 Replies
4544 Views |
June 16, 2016, 02:16:25 am by Clear Guy |
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10 Replies
5815 Views |
June 15, 2016, 10:24:02 pm by PRR |
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9 Replies
5979 Views |
June 15, 2016, 07:51:53 pm by Ambugaton |
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7 Replies
4518 Views |
June 15, 2016, 06:29:12 pm by G._Hoffman |
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1974 Super Reverb
Started by mresistor |
14 Replies
6898 Views |
June 15, 2016, 08:44:54 am by mresistor |
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Sunn Spectrum Voltages
Started by Hellawatt |
11 Replies
6785 Views |
June 15, 2016, 02:06:46 am by SoundmasterG |
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Grid Stoppers for KT66s
Started by p2pAmps |
17 Replies
8827 Views |
June 14, 2016, 08:12:45 pm by tubenit |
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4 Replies
4377 Views |
June 14, 2016, 10:27:15 am by fingersoccer |
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New build, choked up?
Started by CraigB |
27 Replies
10684 Views |
June 13, 2016, 08:57:17 am by CraigB |
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7 Replies
4372 Views |
June 13, 2016, 06:01:18 am by nateflanigan |
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2 Replies
3238 Views |
June 13, 2016, 12:07:12 am by dbroekema |
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Prince Royal schematic
Started by Blind Lemon |
19 Replies
6739 Views |
June 12, 2016, 12:52:26 pm by Blind Lemon |
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Can someone tell me what this is?
Started by silat |
21 Replies
6874 Views |
June 12, 2016, 10:55:56 am by silat |
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12 Replies
6421 Views |
June 12, 2016, 10:25:14 am by jojokeo |
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Not having exact resistor values
Started by pbman1953 |
5 Replies
4664 Views |
June 12, 2016, 09:02:50 am by pbman1953 |
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35-watts from 2 Tubes?
Started by jbefumo |
22 Replies
11176 Views |
June 11, 2016, 05:43:37 pm by kagliostro |
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4 Replies
5071 Views |
June 11, 2016, 02:31:22 pm by kagliostro |
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SS driven OTs?
Started by Paul1453 |
14 Replies
6361 Views |
June 11, 2016, 08:52:30 am by HotBluePlates |
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12 Replies
11986 Views |
June 11, 2016, 08:52:26 am by leevc5 |
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2 Replies
3229 Views |
June 11, 2016, 05:51:33 am by Leevi |
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8 Replies
6763 Views |
June 10, 2016, 02:47:46 pm by Paul1453 |
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Matchless clubman 35
Started by Leevi |
22 Replies
13969 Views |
June 09, 2016, 11:10:42 pm by PRR |
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Odd circuits?
Started by shooter |
2 Replies
3526 Views |
June 09, 2016, 08:47:29 pm by shooter |
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Amp with one tube
Started by Leevi |
33 Replies
12207 Views |
June 09, 2016, 03:43:41 pm by kagliostro |
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fuzzy/pumping tremolo
Started by casssax |
4 Replies
3755 Views |
June 09, 2016, 11:13:11 am by PRR |
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Bridging AB763 Channels 'in phase'
Started by Alistar |
10 Replies
5189 Views |
June 09, 2016, 10:24:41 am by pompeiisneaks |
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R4YB for GZ34
Started by Oddvar |
7 Replies
4332 Views |
June 08, 2016, 08:07:01 pm by jjasilli |
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12 Replies
9029 Views |
June 08, 2016, 08:04:42 pm by sluckey |
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Tube Data Charts
Started by hesamadman |
4 Replies
4051 Views |
June 08, 2016, 04:37:39 pm by pompeiisneaks |
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Bassman trouble, again
Started by Oddvar |
14 Replies
5809 Views |
June 08, 2016, 12:49:11 pm by HotBluePlates |
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Plate to Plate Load Impedance
Started by hesamadman |
6 Replies
7293 Views |
June 07, 2016, 11:47:22 pm by PRR |
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reverb tank output
Started by jeff |
2 Replies
3473 Views |
June 07, 2016, 01:07:09 pm by PRR |
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Full Circle Build
Started by silverfox |
12 Replies
5376 Views |
June 07, 2016, 12:25:06 am by silverfox |
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13 Replies
7626 Views |
June 06, 2016, 06:43:23 pm by TheTubeNoob |
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