Digital Amplification and analogue amplification...

[popm8]

What are the differences between Digital Amplification and analogue amplification?

Is this receiver OK ??? > Panasonic SA-XR55 Home Theater Receiver with Digital Amplifier and Built-In DTS® 96/24, DTS-ES, and Dolby Digital® EX Decoders; cause I'm going to buy one ....

Thanks.

 

[Buckeyefan 1]

What are the differences between Digital Amplification and analogue amplification?

Is this receiver OK ??? > Panasonic SA-XR55 Home Theater Receiver with Digital Amplifier and Built-In DTS® 96/24, DTS-ES, and Dolby Digital® EX Decoders; cause I'm going to buy one ....

Thanks.

Do a google search for "class d" amplifiers. Then do a search for "class ab" amplifiers. That will tell you the difference.

It's pretty impressive for an 8lb receiver. But for its $230 street price, I'd rather pick up the Onkyo TS XR 602 off ubid that will sell for under $200. I wouldn't expect more than HTIB type sound from that receiver.

That type of amplification is very popular in subwoofers, but not highly regarded (yet) for full range sound. At least not with me.

If you've demo'd it and like it, go for it. It sounds like you've already made up your mind.

The Harman Kardon DPR2005 that retailed for $1799 last year (probably one of the better digital path receivers) was selling for $499 earlier this summer. The ratings were poor, and the units never took off.

http://www.harmankardon.com/product_detail.aspx?Region=USA&Country=US&Language=ENG&cat=REC&prod=DPR 2005&sType=C

http://www.ubid.com/actn/opn/getpage.asp?AuctionId=10495940

 

[DaveOCP]

I've not heard a so called digital amp that sounds good when driving anything but a subwoofer. No amplifier is actually digital, class D amps just have a different transistor switching method than the usual Class A or A\B. Class D amps are great for subs because they can be extremely powerful while still being small and generating almost no heat. The only problem is Class D amps create boatloads of harmonic distortion.

Stick with a Denon, Pioneer, or Yamaha with a traditional amp.

 

[jaxvon]

There are some high-end class D amps that have very low distortion, but they're a lot of money. The only two that I can think of off hand are the Yamaha MX-D1 and the amps in the Halcro Logic series.

 

[mtrycrafts]

The only problem is Class D amps create boatloads of harmonic distortion.

This component has .09% 20Hz-20kHz,THD from Panasonic. I would not call that having a boatload of distortion.

 

[9f9c7z]

From what I have read, Mtrycrafts is correct. Huge improvements in materials and design has reduced the distortion, or pushed it beyond (above) human hearing, resulting a class D amp that is superior to when it was first designed in the 1950’s. I think it is just a matter of time before class D amps become the norm with all ht.

 

[annunaki]

The only thing I would be concerned with would be the frequency response. It may be rolled off at the top end. Other than that it may be a decent little amplifier.