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