Welcome To the Hoffman Amplifiers Forum
July 14, 2026, 03:23:56 pm
Welcome To the Hoffman Amplifiers ForumJuly 14, 2026, 03:23:56 pm | ||
| Subject / Started by | Replies / Views | Last post  |
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10 Replies
5785 Views |
June 26, 2016, 02:03:59 pmby Michael1 |
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OT/field coil?
Started by shooter |
23 Replies
9713 Views |
June 25, 2016, 11:55:25 pm by PRR |
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Legion Music Fest Australia 2017
Started by jojokeo |
1 Replies
3795 Views |
June 25, 2016, 05:04:43 pm by TIMBO |
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5e3 biasing advice
Started by ernest |
3 Replies
4732 Views |
June 25, 2016, 11:55:48 am by HotBluePlates |
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Slow click on/off switch
Started by super&plexi |
2 Replies
4180 Views |
June 24, 2016, 05:44:35 am by jojokeo |
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High Power Champ
Started by plaidzebra |
21 Replies
15753 Views |
June 23, 2016, 09:11:39 pm by shooter |
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8 Replies
7241 Views |
June 23, 2016, 04:32:32 am by FranciscoPerez |
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10 Replies
7257 Views |
June 23, 2016, 04:04:55 am by Zedman |
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4 Replies
5893 Views |
June 22, 2016, 09:38:21 pm by sluckey |
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low wattage el34 amp
Started by blindopher « 1 2 » |
51 Replies
30629 Views |
June 22, 2016, 04:30:46 pm by Paul1453 |
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12 Replies
7266 Views |
June 22, 2016, 03:01:49 pm by Ed_Chambley |
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100 Watt Build
Started by hesamadman « 1 2 » |
51 Replies
20000 Views |
June 22, 2016, 01:35:30 pm by Paul1453 |
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3 Replies
5714 Views |
June 22, 2016, 10:10:36 am by PRR |
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Silver Mica vs Ceramic caps for treble?
Started by markmalin |
13 Replies
18525 Views |
June 21, 2016, 03:15:33 pm by FranciscoPerez |
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Rectifier Tubes-Pros and Cons
Started by basschops1528 |
26 Replies
16917 Views |
June 21, 2016, 03:12:56 pm by Paul1453 |
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1 Replies
4164 Views |
June 20, 2016, 11:07:12 pm by PRR |
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6L6 Question
Started by Paul1453 |
16 Replies
6770 Views |
June 20, 2016, 08:22:53 pm by Paul1453 |
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Channel Switching
Started by hesamadman |
1 Replies
4541 Views |
June 20, 2016, 11:17:02 am by hesamadman |
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Rectifier Tube Chart/Cross Reference
Started by Justa |
8 Replies
19473 Views |
June 19, 2016, 07:50:20 pm by Justa |
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low frequency hum solved
Started by Colas LeGrippa |
1 Replies
6182 Views |
June 19, 2016, 09:24:09 am by HotBluePlates |
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77 Replies
30382 Views |
June 19, 2016, 06:50:13 am by p2pAmps |
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3 Replies
4788 Views |
June 18, 2016, 08:16:00 pm by Colas LeGrippa |
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13 Replies
13977 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
4245 Views |
June 18, 2016, 12:53:34 pm by Justa |
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4 Replies
4660 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
11188 Views |
June 18, 2016, 09:37:45 am by drgonzonm |
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output tranny suggestion
Started by ernie_jr |
3 Replies
4200 Views |
June 18, 2016, 07:58:26 am by drgonzonm |
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Pictures for AB763 Builders
Started by p2pAmps |
3 Replies
4165 Views |
June 18, 2016, 01:10:05 am by kagliostro |
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6 Replies
6102 Views |
June 17, 2016, 10:43:22 pm by TubeGeek |
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Supro 1965t
Started by mayburyds |
0 Replies
3771 Views |
June 17, 2016, 04:57:26 am by mayburyds |
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10 Replies
7989 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
22550 Views |
June 16, 2016, 06:25:05 pm by pompeiisneaks |
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17 Replies
8082 Views |
June 16, 2016, 01:40:40 pm by Papa Jim |
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53 Replies
19043 Views |
June 16, 2016, 12:10:42 pm by markmalin |
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Kay 703 safety revisited
Started by mresistor |
10 Replies
8071 Views |
June 16, 2016, 10:15:30 am by mresistor |
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6 Replies
5050 Views |
June 16, 2016, 02:16:25 am by Clear Guy |
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10 Replies
6473 Views |
June 15, 2016, 10:24:02 pm by PRR |
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9 Replies
6792 Views |
June 15, 2016, 07:51:53 pm by Ambugaton |
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7 Replies
5217 Views |
June 15, 2016, 06:29:12 pm by G._Hoffman |
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1974 Super Reverb
Started by mresistor |
14 Replies
7637 Views |
June 15, 2016, 08:44:54 am by mresistor |
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Sunn Spectrum Voltages
Started by Hellawatt |
11 Replies
7782 Views |
June 15, 2016, 02:06:46 am by SoundmasterG |
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Grid Stoppers for KT66s
Started by p2pAmps |
17 Replies
9955 Views |
June 14, 2016, 08:12:45 pm by tubenit |
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4 Replies
4949 Views |
June 14, 2016, 10:27:15 am by fingersoccer |
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New build, choked up?
Started by CraigB |
27 Replies
12276 Views |
June 13, 2016, 08:57:17 am by CraigB |
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7 Replies
5065 Views |
June 13, 2016, 06:01:18 am by nateflanigan |
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2 Replies
3792 Views |
June 13, 2016, 12:07:12 am by dbroekema |
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Prince Royal schematic
Started by Blind Lemon |
19 Replies
7799 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
7546 Views |
June 12, 2016, 10:55:56 am by silat |
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12 Replies
7099 Views |
June 12, 2016, 10:25:14 am by jojokeo |
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Not having exact resistor values
Started by pbman1953 |
5 Replies
5303 Views |
June 12, 2016, 09:02:50 am by pbman1953 |
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