Posted by Damir [ 213.202.115.195 ] on February 20, 2006 at 07:48:04:
In Reply to: Re: 300B Project, Part 6 - Cascode driver a little more posted by manualblock on February 19, 2006 at 18:03:18:
It`s not easy to evaluate and describe sonics. Tha "base" sound is SE 300B output stage coupled with my speakers (JBL 4208) - soft and warm.
I tried two CCS versions, one cascoded DN2540 mosfets, and MJE350/BC558B/LED (from M. Jones book, similar to C4S). Although later has lower Rout, I didn`t find the difference in sound in short listening test - 6J5 tube, anode out (more experiments later:-)). In comparison with 22k load resistor (about the same operating point), both CCS-ed versions sounded much better - cleaner...
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