Class D and High Efficiency Speakers?


G'day guys,

I'm just curious at this stage (not allowed to change yet) about using class d amps such as the Nuforce ref 9 with 98db efficient horn speakers. Obviously being such high efficiency they only need a couple of watts (I'm currently using 300b mono-blocs). Will they have adverse effects or over power the speakers?

What are peoples thoughts?
warnsey1

Showing 1 response by larryi

There is really no inherent sonic advantage to Class D, aside from the ability to deliver a LOT of power, and a whole lot of potential problems, most if not all that can be handled by proper implementation. But, if one does not need a whole lot of power, why go Class D?

I got to hear a $14,000 Rowland Class D amp on my friends 106 db/w efficient speaker system. The sound was quite unsatisfactory -- no top end air, oddly sterile and bland sound, lacking in full harmonic structure -- this in comparison to some very good pushpull tube amps (45s). Tubes, generally speaking, sound terrific at low power outputs and have problems with higher power; transistors seem to be just the opposite.

There are a lot of very good speakers that need a bit of power; a Class D amp would be more suited for that application.