Welcome To the Hoffman Amplifiers ForumOctober 21, 2025, 04:06:06 pm | ||
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1 Replies
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5 Replies
9197 Views |
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Testing amperage draw with DMM
Started by punkykatt |
16 Replies
9285 Views |
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1 Replies
3454 Views |
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1 Replies
3656 Views |
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lamp limiter with switch
Started by John |
13 Replies
6848 Views |
![]() by eleventeen |
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3 Replies
6328 Views |
![]() by stratele52 |
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Resistor Decade box, advice
Started by John |
6 Replies
5056 Views |
![]() by stratele52 |
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Variac advice
Started by John |
12 Replies
7127 Views |
![]() by John |
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3 Replies
3562 Views |
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3421 Views |
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soldering gun tip on tips
Started by Colas LeGrippa |
4 Replies
3922 Views |
![]() by Colas LeGrippa |
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USA Military VT type tube X reference.
Started by DummyLoad |
1 Replies
3134 Views |
![]() by kagliostro |
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Reducing Function Gen output voltage
Started by sdp1234 |
7 Replies
5146 Views |
![]() by PRR |
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Link to a Homebrew Tube Tester Project
Started by kagliostro |
5 Replies
5346 Views |
![]() by DummyLoad |
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24 Replies
9708 Views |
![]() by John |
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Repairing Soldering Irons
Started by blown240 |
7 Replies
5559 Views |
![]() by Willabe |
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What is this OT tester about?
Started by overtone |
5 Replies
4451 Views |
![]() by kagliostro |
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Scope pictures, what am I looking at?
Started by Bub |
17 Replies
8351 Views |
![]() by Willabe |
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Multimeters
Started by shortfuse |
18 Replies
8549 Views |
![]() by FYL |
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7 Replies
5062 Views |
![]() by stingray_65 |
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Grounding dilemma
Started by Coastie99 |
8 Replies
5110 Views |
![]() by stingray_65 |
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Epson PCB printer hack
Started by moonbird |
2 Replies
3873 Views |
![]() by moonbird |
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Capacitor meter/checker
Started by J Rindt |
4 Replies
4620 Views |
![]() by jjasilli |
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which tool ?
Started by worth |
15 Replies
8237 Views |
![]() by ThermionicEngine |
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brad points for steel ?
Started by worth |
8 Replies
7266 Views |
![]() by kagliostro |
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Scope help needed
Started by Bub |
2 Replies
3477 Views |
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Cathode Bias Sub Box
Started by jjasilli |
0 Replies
3158 Views |
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I think I found a gold mine
Started by tcoil |
22 Replies
10084 Views |
![]() by tcoil |
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AC mains power regulator
Started by Jennings |
2 Replies
3485 Views |
![]() by Jennings |
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softwre based oscilliscope
Started by tcoil |
1 Replies
3179 Views |
![]() by stingray_65 |
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0 Replies
3072 Views |
![]() by terminalgs |
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6 Replies
6439 Views |
![]() by kagliostro |
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Impressive custom badges?
Started by PRR |
9 Replies
6112 Views |
![]() by surfsup |
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Bias Circuit
Started by surfsup |
19 Replies
9064 Views |
![]() by PRR |
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MOVED: Which jack is four ohms ?
Started by PRR |
0 Replies
3011 Views |
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Free TINA SPICE
Started by DummyLoad |
1 Replies
3444 Views |
![]() by surfsup |
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4 Replies
5732 Views |
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3435 Views |
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23 Replies
12588 Views |
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7 Replies
12043 Views |
![]() by Fresh_Start |
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Telequipment D1010 Oscilliscope
Started by ncusack |
3 Replies
4509 Views |
![]() by kagliostro |
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What Items Should Every Shop Have?
Started by ncusack |
46 Replies
15067 Views |
![]() by Voxbox |
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rheostat as dummy load?
Started by EW57 |
2 Replies
4758 Views |
![]() by Ritchie200 |
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MOVED: Blues Junior Replacement
Started by sluckey |
0 Replies
3123 Views |
![]() by sluckey |
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4 Replies
3825 Views |
![]() by eleventeen |
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Struggles with old liquid tin
Started by tubesornothing |
3 Replies
4571 Views |
![]() by tubesornothing |
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4 Replies
3912 Views |
![]() by overtone |
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Which Deoxit again
Started by worth |
7 Replies
5406 Views |
![]() by Willabe |
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