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For MOSFETs, it is necessary to install additional heatsinks so that they do not overheat. By changing R15 to 1.5 Ohm, the BIAS current becomes 400mA, which results in a power loss of 0.4Ax6V= 2.4W on each transistor at the set 6V center voltage. Therefore, it is necessary to conduct 4.8W of...

By mislabeling the value of the BIAS resistor (1000 times too large), the whole circuit becomes incorrect, because the PCB assembled in this way cannot work. But it's sad that when I consulted with Bill from Griffin, I got the answer: "The value is 1.5K in the original so that is what we use in...

The schematic of the clone is just wrong.

I joined your forum because I'm building a Ricochet reverb and ran into the same problems as the others. After a few days of research and unsuccessfully trying to get the reverb to work, I dug into the schematic and I think I found the problem. R15 determines the BIAS current through the MOSFET...