Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 07:47:02 pm | ||
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5 Replies
2662 Views |
by PRR |
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1736 Views |
by kagliostro |
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18 Replies
4310 Views |
by passaloutre |
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6 Replies
3335 Views |
by spunko |
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5 Replies
2855 Views |
by AlNewman |
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6G15 + Tremodrive
Started by J3ona1 |
2 Replies
1989 Views |
by J3ona1 |
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Trem-O-Nator Vactrol?
Started by tdvt |
3 Replies
2191 Views |
by sluckey |
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Suitable Shoulder Washer & Flat Washer
Started by Pollys13a |
10 Replies
3949 Views |
by EL34 |
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New amp D-763
Started by tubenit |
9 Replies
3557 Views |
by Platefire |
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16 Replies
4502 Views |
by Pollys13a |
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Sluckey’s M-2 Magnatone
Started by Jhj |
13 Replies
4157 Views |
by Jhj |
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Odd question about heater wires...
Started by AmberB |
3 Replies
2312 Views |
by glass54 |
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18 Replies
5047 Views |
by acheld |
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10 Replies
4831 Views |
by GuitarPilot65 |
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Issue on one channel, global effect?
Started by tdvt |
2 Replies
2055 Views |
by tdvt |
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8 Replies
3293 Views |
by sluckey |
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I got the "bug" again.....
Started by Jonas |
8 Replies
3589 Views |
by Jonas |
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What is preamp tube transconductance?
Started by Jonas |
6 Replies
3231 Views |
by Jonas |
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5f10 shared plate resistors
Started by TurboGuitarMelton |
4 Replies
2497 Views |
by 66Strat |
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Voltage doubling rectifier
Started by dwinstonwood |
9 Replies
3862 Views |
by HotBluePlates |
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Blown tube?
Started by dbishopbliss |
4 Replies
2741 Views |
by tubeswell |
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Hoffman Princeton build in a PRRI Chassis
Started by Jrusto |
14 Replies
4792 Views |
by sluckey |
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Princtone Reverb No Tremolo with EL84's
Started by Smradek |
3 Replies
2494 Views |
by tdvt |
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Vox AC4 switch question
Started by Kesi from Hungary |
6 Replies
2856 Views |
by Kesi from Hungary |
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High pitched noise 15 watt tube amp Monoprice
Started by sausetron@yahoo.com |
2 Replies
2762 Views |
by sausetron@yahoo.com |
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Fender accessory jack
Started by Diverted |
14 Replies
4784 Views |
by sluckey |
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6 Replies
4976 Views |
by tinkering |
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5 Replies
3574 Views |
by PRR |
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6 Replies
2859 Views |
by PRR |
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6DN3 vs 6CJ3 - interchangeable?
Started by kasperbergholt |
1 Replies
2480 Views |
by kasperbergholt |
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Mullard 3-3 is not amazing
Started by jewishjay |
6 Replies
3542 Views |
by glass54 |
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100 Replies
17077 Views |
by wsscott |
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8 Replies
3442 Views |
by dude |
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record-O-Phone Reel to Reel. Any Ideas?
Started by silat |
10 Replies
3534 Views |
by silat |
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10 Replies
4222 Views |
by HotBluePlates |
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Reuse PT and OT for very different build?
Started by Erik Aa |
10 Replies
3622 Views |
by HotBluePlates |
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0 Replies
2113 Views |
by sciurian |
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Installing a 3 prong wire & plug
Started by pbman1953 |
11 Replies
4376 Views |
by WimWalther |
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Cathode follower question
Started by J Rindt |
6 Replies
2871 Views |
by HotBluePlates |
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6G15 ground lift switch
Started by Diverted |
13 Replies
4984 Views |
by acheld |
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EL84 LarMar
Started by tdvt |
5 Replies
3037 Views |
by Latole |
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Hoffman Princeton build in a PRRI Chassis
Started by Jrusto |
3 Replies
2571 Views |
by Jrusto |
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3 Replies
2725 Views |
by HotBluePlates |
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7 Replies
4677 Views |
by tubenit |
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Gut shot aesthetics
Started by XYZGnomon |
2 Replies
2719 Views |
by WimWalther |
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NOS Mallory Cap Can?
Started by ALBATROS1234 |
5 Replies
3215 Views |
by ALBATROS1234 |
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Up for grabs.....
Started by proaudioguy |
6 Replies
3524 Views |
by scstill |
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BIAS measurement method - a question
Started by kagliostro |
4 Replies
2928 Views |
by WimWalther |
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Hybrid fixed/cathode bias measurements?
Started by Carlsoti |
3 Replies
2692 Views |
by pdf64 |
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Low Output On A "Blackvibe" Build
Started by AHeck |
45 Replies
10246 Views |
by WimWalther |
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