Welcome To the Hoffman Amplifiers Forum
December 08, 2025, 01:59:20 pm
Welcome To the Hoffman Amplifiers ForumDecember 08, 2025, 01:59:20 pm | ||
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Pre-Amp tube specs
Started by dearborndave |
2 Replies
2382 Views |
January 31, 2019, 01:34:07 pmby dearborndave |
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18 Replies
7805 Views |
January 31, 2019, 01:20:40 pm by PRR |
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Impedance question
Started by Leevi |
3 Replies
2576 Views |
January 31, 2019, 12:38:56 pm by Leevi |
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Dual Showman 4x12 combo
Started by clayman |
1 Replies
2115 Views |
January 31, 2019, 10:40:43 am by sluckey |
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Marshall Dual Reverb 4100 amp question
Started by mresistor |
17 Replies
6092 Views |
January 31, 2019, 06:46:34 am by mresistor |
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Blues Jr. Output Transformer Upgrade
Started by dearborndave |
4 Replies
4234 Views |
January 30, 2019, 04:07:39 pm by dearborndave |
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Bass Amp eating power tubes, remedies?
Started by Jonas |
14 Replies
6289 Views |
January 29, 2019, 07:57:03 pm by Ritchie200 |
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7591 Build.
Started by 8wattjack |
15 Replies
11051 Views |
January 29, 2019, 03:35:09 pm by sluckey |
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hookup for switch
Started by davidwpack |
4 Replies
2888 Views |
January 29, 2019, 01:55:50 pm by davidwpack |
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Volume Knob Thump
Started by JKRamsey1991 |
9 Replies
4892 Views |
January 29, 2019, 11:05:55 am by pdf64 |
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1 Replies
2612 Views |
January 29, 2019, 10:23:56 am by alathIN |
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4 Replies
3936 Views |
January 28, 2019, 07:56:37 pm by mechtonia |
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8 Replies
4613 Views |
January 28, 2019, 07:16:34 pm by PRR |
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275-0- 275 PT WITH DIODE RECTIFIER
Started by mikhett |
2 Replies
2689 Views |
January 28, 2019, 06:45:41 pm by mikhett |
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6g16 Clone
Started by 8wattjack |
3 Replies
2917 Views |
January 28, 2019, 04:26:55 pm by Glenn |
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Blues Jr. Rebuild
Started by dearborndave |
4 Replies
3209 Views |
January 28, 2019, 11:52:28 am by dearborndave |
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EL84/6V6 switch
Started by jeff |
10 Replies
7497 Views |
January 28, 2019, 07:59:04 am by jjasilli |
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Hammond replacement transforemer
Started by Papa Jim |
2 Replies
2494 Views |
January 27, 2019, 05:33:58 pm by Papa Jim |
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Trinity TC-15 rookie build
Started by alathIN |
40 Replies
12497 Views |
January 27, 2019, 04:48:07 pm by mresistor |
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Super Reverb: Reverb channel distorting
Started by dude |
2 Replies
2725 Views |
January 27, 2019, 03:02:28 pm by pdf64 |
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AB763 hum question and fix.
Started by KimboDb |
0 Replies
2022 Views |
January 27, 2019, 10:40:36 am by KimboDb |
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Gain pots won't zero.
Started by Captain chunkulus |
2 Replies
2700 Views |
January 27, 2019, 10:07:09 am by jjasilli |
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EL34 vs 6V6 for 20W power range?
Started by SnickSound |
5 Replies
6381 Views |
January 27, 2019, 09:12:14 am by SnickSound |
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Can this be done for troubleshooting?
Started by Papa Jim |
3 Replies
3082 Views |
January 26, 2019, 05:34:39 pm by Papa Jim |
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1973 Champ Gut or Repair?
Started by ndross475 |
25 Replies
8990 Views |
January 26, 2019, 04:31:34 pm by ndross475 |
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DC Voltage Reduction
Started by mwelch55 |
14 Replies
6138 Views |
January 26, 2019, 07:55:22 am by kagliostro |
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8 Replies
3437 Views |
January 25, 2019, 06:22:21 pm by Papa Jim |
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DIY 2024 (4010) mismatch bias
Started by jasonvilla |
10 Replies
4223 Views |
January 25, 2019, 09:37:34 am by jasonvilla |
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Preamp filter cap values
Started by Captain chunkulus |
2 Replies
2999 Views |
January 25, 2019, 08:20:08 am by derekiseric |
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2 Replies
2339 Views |
January 25, 2019, 08:13:21 am by Papa Jim |
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13 Replies
6604 Views |
January 25, 2019, 08:09:03 am by derekiseric |
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7 Replies
3656 Views |
January 25, 2019, 08:03:51 am by derekiseric |
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42 Replies
12761 Views |
January 25, 2019, 04:30:59 am by sluckey |
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What can I build with this IRON?
Started by mikhett |
5 Replies
2953 Views |
January 24, 2019, 04:20:10 pm by mikhett |
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24 Replies
12503 Views |
January 24, 2019, 02:40:33 pm by John |
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4 Replies
2302 Views |
January 24, 2019, 01:28:55 pm by dunner84 |
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1 Replies
2159 Views |
January 24, 2019, 11:28:41 am by sluckey |
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Matching tubes by current draw
Started by dude |
4 Replies
2599 Views |
January 24, 2019, 10:58:29 am by dude |
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0 Replies
3467 Views |
January 24, 2019, 09:34:35 am by derekiseric |
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Hoffman relay question.
Started by Captain chunkulus |
14 Replies
6703 Views |
January 24, 2019, 08:45:38 am by hesamadman |
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old radio to amp converion
Started by distortionhead |
0 Replies
1855 Views |
January 24, 2019, 12:09:00 am by distortionhead |
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dual triode issues
Started by ALBATROS1234 |
4 Replies
2963 Views |
January 23, 2019, 11:00:36 pm by ALBATROS1234 |
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1971 Peavey Deuce series 240
Started by punkykatt |
2 Replies
3247 Views |
January 23, 2019, 08:06:09 pm by punkykatt |
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18 watt 2xEL84 biasing?
Started by Skilpadda |
11 Replies
6543 Views |
January 23, 2019, 03:09:22 pm by Skilpadda |
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ss rectifier 6V6 PP schematic
Started by centervolume |
8 Replies
4727 Views |
January 23, 2019, 10:54:21 am by centervolume |
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getter flash peeling/crinkled ?
Started by ALBATROS1234 |
5 Replies
5015 Views |
January 23, 2019, 01:20:33 am by ALBATROS1234 |
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GA15 RV turret board
Started by mak009 |
5 Replies
3726 Views |
January 22, 2019, 07:45:35 pm by mak009 |
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Weber 6M18 kit
Started by Skilpadda |
14 Replies
5780 Views |
January 22, 2019, 04:27:55 am by Skilpadda |
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21 Replies
9936 Views |
January 22, 2019, 01:27:46 am by vincenzo |
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holiday model 204.
Started by DummyLoad |
11 Replies
5991 Views |
January 21, 2019, 05:59:46 pm by DummyLoad |
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