Welcome To the Hoffman Amplifiers Forum
September 07, 2025, 05:39:14 am
Welcome To the Hoffman Amplifiers ForumSeptember 07, 2025, 05:39:14 am | ||
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13 Replies
8571 Views |
April 18, 2016, 06:01:55 pmby Paul1453 |
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transformer position and oscillation
Started by alange5 |
5 Replies
2825 Views |
April 18, 2016, 04:10:15 pm by PRR |
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5E3 in a PR Chassis
Started by p2pAmps |
19 Replies
4324 Views |
April 18, 2016, 08:07:18 am by p2pAmps |
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Princeton Reverb Trem issues
Started by ratgon |
11 Replies
2956 Views |
April 17, 2016, 06:44:06 pm by HotBluePlates |
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Prototyping Help
Started by ratgon |
9 Replies
2794 Views |
April 17, 2016, 01:06:59 pm by HotBluePlates |
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8 Replies
4557 Views |
April 17, 2016, 03:02:50 am by sean_thornton |
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PT Hack .... is this possible ?
Started by kagliostro |
9 Replies
2937 Views |
April 17, 2016, 02:56:18 am by kagliostro |
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69 Replies
14927 Views |
April 16, 2016, 05:42:26 pm by Paul1453 |
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10 Replies
3592 Views |
April 16, 2016, 04:05:29 pm by pnadora |
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Added bias pot to Pignose G60VR Tube Combo
Started by JML |
0 Replies
2492 Views |
April 15, 2016, 06:10:51 pm by JML |
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cathode resistor
Started by EKDENTON |
2 Replies
1752 Views |
April 15, 2016, 01:57:28 pm by EKDENTON |
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16 Replies
7925 Views |
April 15, 2016, 08:23:27 am by Mike_J |
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Marshall 1959/2203 preamp build questions
Started by Rp3703 |
6 Replies
3112 Views |
April 13, 2016, 10:53:58 pm by Ritchie200 |
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10 Replies
4370 Views |
April 13, 2016, 09:50:59 pm by HotBluePlates |
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Modded My Jet City PicoValve and WOW!!!!
Started by Erich |
12 Replies
8401 Views |
April 13, 2016, 09:38:43 pm by HotBluePlates |
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12ax7 fixed bias ?
Started by Colas LeGrippa |
15 Replies
8376 Views |
April 13, 2016, 05:49:39 pm by Colas LeGrippa |
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11 Replies
4307 Views |
April 13, 2016, 05:43:59 pm by Colas LeGrippa |
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Hooked up PT wrong on a 6v6 2204 build
Started by jasonvilla |
7 Replies
2989 Views |
April 13, 2016, 03:04:49 pm by jasonvilla |
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Build suggestions for Hammond 279X
Started by ncusack |
2 Replies
1504 Views |
April 13, 2016, 11:15:43 am by Paul1453 |
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Help needed selecting insertion point
Started by Ed_Chambley |
3 Replies
1742 Views |
April 12, 2016, 03:49:19 pm by Ed_Chambley |
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Strange Parisitics in my power section
Started by goldstache |
6 Replies
2216 Views |
April 12, 2016, 07:25:58 am by sluckey |
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Bypass cap and resistor jig
Started by Mike_J |
34 Replies
7933 Views |
April 11, 2016, 07:06:34 pm by Mike_J |
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24 Replies
8837 Views |
April 11, 2016, 01:06:34 pm by jojokeo |
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Isolating a reverb tank
Started by pompeiisneaks |
8 Replies
3408 Views |
April 09, 2016, 07:58:45 pm by pompeiisneaks |
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KT88 O/P tranny
Started by ernie_jr |
13 Replies
3673 Views |
April 09, 2016, 04:54:43 pm by DummyLoad |
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3 Replies
3196 Views |
April 09, 2016, 09:07:38 am by tdvt |
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Steve Luckey AO-44 Pee Wee Build
Started by boxcarcut |
30 Replies
7324 Views |
April 09, 2016, 08:29:25 am by HotBluePlates |
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5 Replies
3216 Views |
April 09, 2016, 07:51:42 am by hatchhh |
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5 Replies
2123 Views |
April 08, 2016, 09:15:51 pm by punkykatt |
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gain - bypass ?
Started by shooter |
24 Replies
4907 Views |
April 08, 2016, 05:14:36 pm by mresistor |
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PA conversion finished – odd plate voltage reading
Started by g-man |
11 Replies
2836 Views |
April 08, 2016, 06:12:33 am by g-man |
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32 Replies
6077 Views |
April 07, 2016, 07:49:30 pm by Paul1453 |
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28 Replies
11291 Views |
April 07, 2016, 06:53:08 am by lucasluan |
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5e3 noises...
Started by tylerrussell |
4 Replies
2280 Views |
April 06, 2016, 05:21:27 pm by tylerrussell |
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0 Replies
1601 Views |
April 05, 2016, 09:43:25 am by Willabe |
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5F6A bassman ground switch
Started by pompeiisneaks |
6 Replies
3297 Views |
April 05, 2016, 09:39:10 am by HotBluePlates |
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New to site … TR rebuild w/ EL34
Started by toddm7 |
3 Replies
2479 Views |
April 04, 2016, 10:00:58 pm by toddm7 |
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32 Replies
6305 Views |
April 04, 2016, 04:53:57 pm by Shack |
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Bassman AA864 vs AB165
Started by mresistor |
34 Replies
14502 Views |
April 04, 2016, 01:34:14 pm by mresistor |
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19 Replies
7714 Views |
April 04, 2016, 07:41:13 am by tdvt |
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PT Question
Started by kagliostro |
10 Replies
2930 Views |
April 04, 2016, 01:18:13 am by kagliostro |
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Bouyer ST-10
Started by chocopower |
3 Replies
2494 Views |
April 03, 2016, 04:01:46 pm by chocopower |
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27 Replies
7230 Views |
April 03, 2016, 09:40:50 am by Popsleigh |
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55 Replies
12626 Views |
April 02, 2016, 09:27:23 pm by Moonage |
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input jack question
Started by EKDENTON |
10 Replies
2775 Views |
April 02, 2016, 09:04:15 am by HotBluePlates |
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Amp ticking like metronome
Started by navdave |
12 Replies
5158 Views |
April 02, 2016, 01:40:40 am by navdave |
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78 Replies
15852 Views |
April 01, 2016, 07:30:39 pm by Mike_J |
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3 Replies
1737 Views |
April 01, 2016, 07:09:43 pm by HotBluePlates |
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Help with Mesa resistor values!
Started by Searing |
6 Replies
2478 Views |
April 01, 2016, 11:02:49 am by Searing |
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Layout Design Question
Started by turtle441 |
4 Replies
1965 Views |
March 31, 2016, 09:19:53 pm by sluckey |
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