Amp/Preamp Asylum

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RE: I have a SAXR57

Posted by triamp on January 15, 2017 at 02:04:52:
Switching amps like those in these receivers- "digital" amps, class D amps, whatever label you like, often sound better than mid-fi class AB amps like those found in most older receivers, etc. But (generally) not as good as really good audiophile amps.
Depends on the speaker too, to some degree. These "digital" amps are not very sensitive to speaker impedance, so a speaker that sounds woolly or boomy on a tube amp may sound quite neutral on a class D amp. (Which you may or may not like!Sometimes the ohms-law impedance interaction between a speaker and an amplifier can be just the sound you're looking for...) Class D amps are also pretty good at supplying current into difficult loads, again, more so than run-of-the-mill mid-fi, and so some speakers that would sound not-so-great on a 1980's receiver might sound quite a bit better on the Panasonic digital unit.
So, these Panasonic jobs would probably sound better in most uses than older mid-fi, but there are better sounding amps out there (for more money...)