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MagneQuest/Peerless Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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MagneQuest/Peerless Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: FS-030 posted by Frank Mena on October 3, 2011 at 16:54:16:
The Fi Primer (J.C. Morrison) 300B amp is the classic; the Angela / JE Labs design is closely related. These are older designs, however - there are some useful innovations that have appeared in the last decade or two.
Looking at the data, I find it interesting that the FS-030 running 90mADC reaches it's greatest inductance at 15 watts output. That makes it well suited to a sturdy 300B operated close to its maximum ratings. Even though it is "rated" at 60mADC. (It can muster 5% more inductance at 60mADC/3.3watts - a good 2A3 point).
Most 300B amps will call for a 3K primary impedance and the FS-030 will serve well.
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Follow Ups
- RE: FS-030 - Paul Joppa 20:05:16 10/03/11 (0)
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