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In Reply to: RE: KT120 vs KT150 posted by Michael Samra on January 25, 2015 at 09:59:38
Those are not IRF differential amps, those are MOSFET source followers and a CCS cathode load. That amp should do an incredible amount of power + 200 watts.
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Chip
I didn't say that was a differential amp.I said a lot of amps are using the IRF types as differential amps and I mentioned that due to discussion about sand devices in tube amps we had a few days ago..I should have been more clear..There is no NFB in this amp so distortion will probably be higher even tho power is extremely high.
"If it measures good and sounds bad, it is bad; if it measures bad and sounds good, you have measured the wrong thing."
- Daniel R. von Recklinghausen
You can see it a lot better in the original schematic.
"If it measures good and sounds bad, it is bad; if it measures bad and sounds good, you have measured the wrong thing."
- Daniel R. von Recklinghausen
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