Welcome To the Hoffman Amplifiers ForumMarch 11, 2026, 04:00:33 pm | ||
| Subject / Started by | Replies / Views | Last post ![]() |
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| dogburn, passaloutre, Glenn and 97 Guests are viewing this board. | ||||
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Where to ground the first filter stage.
Started by Mike_J |
23 Replies
7246 Views |
by tubeswell |
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Choosing Power Transformers
Started by acheld |
7 Replies
4739 Views |
by acheld |
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0 Replies
2424 Views |
by Mike_J |
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1977 Princeton Reverb PT failure?
Started by wsscott |
23 Replies
6151 Views |
by wsscott |
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6 Replies
3662 Views |
by Mike_J |
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New most terrible job ever.
Started by Mike_J |
9 Replies
4445 Views |
by Mike_J |
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14 Replies
4178 Views |
by d95err |
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Post PI Master Volume Coupling Cap
Started by scstill |
2 Replies
2485 Views |
by thetragichero |
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B&H Filmosound 626 amp
Started by Zonnebloem |
2 Replies
2802 Views |
by Zonnebloem |
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2 Cathode Followers on the same tube?
Started by dsmith9 |
5 Replies
3070 Views |
by tubeswell |
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Reverb pedal jack
Started by dude |
6 Replies
4019 Views |
by sluckey |
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Doug's shielded wire
Started by munkeyboy |
13 Replies
6354 Views |
by EL34 |
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67 Replies
16415 Views |
by wittyjeff |
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4 Replies
2763 Views |
by walkman |
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14 Replies
6542 Views |
by gitarzysta |
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2 Replies
4157 Views |
by sluckey |
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New Amp Introduction—Brown Junior
Started by brewdude |
7 Replies
3055 Views |
by wittyjeff |
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Global Negitive Feedback with Top Cut?
Started by DuaneOh |
6 Replies
3664 Views |
by wittyjeff |
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6K6GT push pull limits
Started by brewdude |
17 Replies
6027 Views |
by brewdude |
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Plastic Toroidal Xfmr mount?
Started by JustMike |
1 Replies
2247 Views |
by thetragichero |
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Need help.
Started by Mike_J |
8 Replies
3038 Views |
by glass54 |
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How to test/repair speaker?
Started by BobL |
8 Replies
3905 Views |
by acheld |
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Filament wiring gauge
Started by Graydigger |
37 Replies
12430 Views |
by scstill |
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6 Replies
3898 Views |
by tubeswell |
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Suppliers (as of 2021)
Started by munkeyboy |
24 Replies
15700 Views |
by vampwizzard |
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14 Replies
6045 Views |
by BobL |
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Tagboard question
Started by dude |
11 Replies
3957 Views |
by dude |
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UA OX catching amp on fire
Started by British1011 |
5 Replies
3661 Views |
by British1011 |
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Planning my next build (simplified AC15ish)
Started by aon |
12 Replies
4455 Views |
by aon |
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line out for single ended tube amp
Started by mazzgreg |
2 Replies
2562 Views |
by PRR |
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Confused again.
Started by Mike_J |
19 Replies
6132 Views |
by Mike_J |
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Negative Feedback, Where To Get It From?
Started by DuaneOh |
8 Replies
4897 Views |
by DuaneOh |
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Ampeg B 12 XT
Started by Big chief |
8 Replies
3922 Views |
by Big chief |
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1959 Supro Coronado 1690T on the bench
Started by TubeGeek |
16 Replies
10210 Views |
by PRR |
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Cranked Amp "Chirping"?
Started by jordan86 |
4 Replies
3983 Views |
by SILVERGUN |
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Spicemodel for reverb tanks
Started by PRR |
0 Replies
3007 Views |
by PRR |
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Screen and Plate Switch pop in AC15 build
Started by shaun |
12 Replies
4744 Views |
by HotBluePlates |
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How long do Edcor transformers take?
Started by steveo7868 |
11 Replies
4606 Views |
by munkeyboy |
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7 Replies
3521 Views |
by tomof63 |
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1 Replies
2473 Views |
by thetragichero |
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1 Replies
3432 Views |
by sluckey |
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Incoming Amp-PRS 25th Anniversary
Started by JustMike |
10 Replies
4846 Views |
by shooter |
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switching channels with relays questions
Started by Bieworm |
5 Replies
3561 Views |
by Bieworm |
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20 Replies
7585 Views |
by DougGuy |
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Single Input 5f6a Questions.
Started by thebard |
4 Replies
2886 Views |
by thebard |
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SOLVED: Stuck on this build
Started by munkeyboy |
45 Replies
10031 Views |
by PRR |
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3 Replies
2995 Views |
by tubeswell |
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Preamp Switching
Started by dunner84 |
2 Replies
3024 Views |
by dunner84 |
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21 Replies
8865 Views |
by munkeyboy |
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Fender amp biasing methods
Started by goodizzy |
1 Replies
2862 Views |
by kagliostro |
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