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sam9 31st January 2005 05:05 AM

A Break thouogh fom B&O ??

I haven't had time yet to read all the way through the material, a great deal is claimed. My uniformed reaction to anything that sounds too good to be true is that it usually isn't.

Still this is offered up for comment and general interest.

Bill Fitzpatrick 31st January 2005 05:21 AM

The real question is, when will Parts Express begin stocking the modules? :D

audiousername 31st January 2005 05:29 AM

My reaction is it's probably a boring switching/Class D design with a nice hyperbolic ribbon tied around it by the marketing department.

Variac 31st January 2005 07:08 AM

It seems to me that switching/Class D amps will become the mainstay of pro PA amps in the future...

Lightweight, high power, very efficient. pretty cheap. And probably with better sound......

Are there any mainstream pro amps of this type out yet?

wiligruen 31st January 2005 07:13 AM

It is, for one example, what is in the JeffRowland 201 and 501 amps. You may find a review (in French) on the JR page for the 201 amp.

uli 31st January 2005 07:14 AM


Originally posted by Variac

Are there any mainstream pro amps of this type out yet?

Crown, QSC, Crest...

all of them are doing Class D in their REALLY Hipower designs.


:nod: :nod: :nod:

Variac 31st January 2005 07:22 AM


Crown, QSC, Crest...
OK, I guess those could be called mainstream...:D

I wonder how they sound- maybe better than their conventional amps with switching power supplies?

uli 31st January 2005 07:37 AM

IMHO those companies also produce amps without SMPS and
ClassD for sound reasons. You might take a look at the Crest
8002 or the QSC ISA 1350


:nod: :nod: :nod:

pinkmouse 31st January 2005 07:45 AM


Originally posted by Variac
I wonder how they sound-
A year or so ago I just test checked a couple of racks of QSC before dispatch to a customer, including the class D and switching psu versions. They all sounded very similar, though I have to admit that was just with a big pile of Turbosound bass bins, and in non ideal conditions. ;)

Jocko Homo 31st January 2005 07:57 AM

I know people who been producing products with these units for 2 years now. This seems like old news.

Sorry, Bill, I don't think PE will be carrying them soon.


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