Welcome To the Hoffman Amplifiers ForumSeptember 06, 2025, 04:38:20 pm | ||
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17 Replies
7794 Views |
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1 Replies
2146 Views |
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5C3 vs. 5E3
Started by panhead |
4 Replies
6031 Views |
![]() by bluesbear |
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parallel cathode bypass caps of different values?
Started by chuggy |
10 Replies
6215 Views |
![]() by LooseChange |
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re capping 70' YGM-3
Started by toomanyslurpees |
3 Replies
2762 Views |
![]() by PRR |
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Layout problem w/ab763 build
Started by six el six |
7 Replies
3539 Views |
![]() by jim |
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Stray Cat / Hot Cat rectifier question
Started by 3choplex |
4 Replies
3614 Views |
![]() by Boots Deville |
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Hot switch on a pot?
Started by Madison |
0 Replies
1871 Views |
![]() by Madison |
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Plexi pot substitute?
Started by Madison |
2 Replies
2253 Views |
![]() by Madison |
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Filter caps..?
Started by crashtm1 |
2 Replies
1976 Views |
![]() by crashtm1 |
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PI question
Started by ernie_jr |
5 Replies
2645 Views |
![]() by RicharD |
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5 Replies
3689 Views |
![]() by firemedic |
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6 x 6L6 - One is broken - WWYD ??
Started by LooseChange |
10 Replies
4213 Views |
![]() by bigsbybender |
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what amp do I build for my friend
Started by embotone |
4 Replies
2244 Views |
![]() by eleventeen |
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15 Replies
4942 Views |
![]() by punkykatt |
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5 Replies
3046 Views |
![]() by Tone Junkie |
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TOS REBUILD
Started by TIMBO |
20 Replies
5536 Views |
![]() by Tone Junkie |
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9 Replies
5782 Views |
![]() by Willabe |
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104 Replies
25411 Views |
![]() by punkykatt |
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7 Replies
5506 Views |
![]() by sluckey |
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Kay 703 Clone or Change?
Started by americanflyer302 |
12 Replies
6653 Views |
![]() by jojokeo |
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5 watt build
Started by Matty_V |
25 Replies
10649 Views |
![]() by jojokeo |
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4 Replies
3646 Views |
![]() by tubeswell |
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Quick B+ question
Started by navdave |
5 Replies
3096 Views |
![]() by navdave |
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Big bad bass amp build report
Started by birt |
11 Replies
3941 Views |
![]() by birt |
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Mid Fi Stereo Amp Idea
Started by RicharD |
15 Replies
4725 Views |
![]() by DummyLoad |
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Brown Face Bias Vary Trem
Started by Blind Lemon |
14 Replies
4825 Views |
![]() by tubeswell |
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6av6 Tremelo circuit - schematic here
Started by kagliostro |
3 Replies
6064 Views |
![]() by kagliostro |
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Marshall Bluesbreaker Bias???
Started by plexi50 |
2 Replies
3928 Views |
![]() by plexi50 |
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Motor Boating
Started by J Rindt |
10 Replies
9851 Views |
![]() by J Rindt |
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Which princeton schematic & tranny set ?
Started by 12AX7 |
3 Replies
4305 Views |
![]() by 12AX7 |
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Interesting new Hiwatt tube amp the t20
Started by frank57 |
4 Replies
7524 Views |
![]() by frank57 |
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Do I need to re-bias?
Started by pbman1953 |
1 Replies
2166 Views |
![]() by FYL |
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Do We Like This Effects Loop?
Started by blown240 |
2 Replies
2444 Views |
![]() by LooseChange |
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Edition Tube 20th Anniversary
Started by plexi50 |
7 Replies
3790 Views |
![]() by John |
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4 Replies
2458 Views |
![]() by tubeswell |
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Low Bias Voltage on 5E6-A
Started by luthierwnc |
2 Replies
2165 Views |
![]() by stratele52 |
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Another VVR Question
Started by theundeadelvis |
8 Replies
3857 Views |
![]() by theundeadelvis |
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bleed resistor calculation
Started by stingray_65 |
2 Replies
4252 Views |
![]() by stingray_65 |
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Tag board finished 6G15 Stand Alone Build
Started by Willabe |
5 Replies
3676 Views |
![]() by Willabe |
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power transformer
Started by ernie_jr |
4 Replies
2495 Views |
![]() by ernie_jr |
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3 Replies
2784 Views |
![]() by FYL |
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Peavey Triumph Signal Loss Or Gain?
Started by plexi50 |
7 Replies
5571 Views |
![]() by alerich |
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What temp to solder?
Started by Geezer |
12 Replies
8871 Views |
![]() by The_Gaz |
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8 Replies
4448 Views |
![]() by TIMBO |
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8 Replies
3505 Views |
![]() by TerryD |
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Please Critique This Layout
Started by blown240 |
5 Replies
2669 Views |
![]() by jojokeo |
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24 Replies
9080 Views |
![]() by 12AX7 |
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12AX7 Balanced XLR Out
Started by blown240 |
6 Replies
5717 Views |
![]() by blown240 |
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6 Replies
3741 Views |
![]() by Fresh_Start |
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