opaqueice;292032 Wrote: > Eh? What kind of SS amp has an ouput impedance of 4 ohms? Mostly > they're well under .1 ohms (usually expressed in terms of the damping > factor). > > An amplifier with an output impedance close to the impedance of the > speaker it's connected to will audibly distort. > > It's -not- another matter - it's one of the main reasons you need the > output impedance much less than the input impedance.
The Mcintosh mc402 gives 2, 4, and 8 terminals as "output load impedance." Musical Fidelity Kw550 specs a 50 ohm "output load loop impedance." Of course LC effects will distort the waveform (or even eliminate it at certain frequencies due to filtering effects). I guessing if there were no LC effects, then there would still be valid reasons for the relatively different impedance values between source and target. Again as stated earlier I think it's to generate maximum voltage across the input. But if that were absolutely the case then speakers impedances should be as high as possible. The physical machinations required of a woofer or tweeter must account for this difference. -- wireless200 ------------------------------------------------------------------------ wireless200's Profile: http://forums.slimdevices.com/member.php?userid=11887 View this thread: http://forums.slimdevices.com/showthread.php?t=46347 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
