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In Reply to: RE: "giant killing" class D amps? posted by thump on December 29, 2017 at 15:46:26
Are you looking to DIY an amp or a ready built? If you're DIYing one then cross post over at the DIY/Tweak forum. Great bunch of guys over there and they dabble in that kid of stuff.
I think the Class D is more a fringe kind of audio. Kind of like SET's, high efficiency, arrays, etc... you need to build an entire system around it.
Follow Ups:
yes, class D can be cold and sterile when paired with clinical gear, but nothing woke my way too forgiving, but otherwise awesome sounding & imaging NHT superzeros like my panasonic SA-XR, but it didn't sound as liquid with energy RC10s which have awesome low level resolution and tweeter speed, of the totally unforgivable coice of port resonance, or cereal box cabinet resonance when the ports are plugged. $500+ list minis should NEVER have flimsy 1/2" - 5/8" cabinets!
the other reason i'm looking for class D, besides cost, is i'm considering a tubes/autoformer/N core final system and want to see how class D sounds on hyperdetailed RAAL ribbons
"want to see how class D sounds on hyperdetailed RAAL ribbons"
with high quality class D, the difference in sound is more in the input analog electronics. In any case, I use NAD M22 on Magnepan 3.6 which certainly have 'detailed' 5 foot ribbon tweeters.
Watch the impedance, i did notice serious timbre issues when driving class-D into low Z loads...
Regards
Hi, airtime,
Class D amps are no longer a fringe element; the technology has matured to where quality PWM amp modules are now incorporated into mainstream product lines for many highly regarded manufacturers. Not everyone agrees that they've reached the highest pinnacles of audiophilia but more and more audiophiles are buying them and enjoying the benefits of Class D amplification. They aren't just used as inexpensive subwoofer plate amps anymore.
I own a Class D amp and it was added as part of an existing stereo system; I didn't sell everything off to accommodate the amp.
As for "giant killers", I don't believe they exist, unless the giant was getting on in age and was already on the way out. :-)
Regards,
Tom
with mixed results, IMNSHO.
What they gain by bi-amping and designing the x-over into the individual amps for each driver, they loose because Class D Pulse Width Modulation doesn't really sound that good.
Again, JMHO and nothing more.
apparently you still haven't heard of N cores yet...
many consider n core modules to be THE ABSOLUTE MOST NEUTRAL AMPLIFIERS IN EXISTENCE
now, if you have to have a romantic (thick, euphonic distorted, veiled) sound, as it seems like a MAJORITY do, then no... you'll NEVER like class D
me? i HATE overly romantic sound. i wanted to take an axe to my NAD until i replaced it with an onkyo which got replaced by the panasonic SA-XR that finally breathed some much need air & life into my NHT soft domes.
some of us like class D ON PURPOSE
Been a while since I've been here and I don't post much, but, I have a pair of Ncore NC400 Monos and they are the best sounding amps I have had in my system. For the sake of sharing, there are user reviews and listening impressions just starting to come in on a brand new Icepower class D amp at the link below. At least one user has made favorable comparisons to his NC400's. I am close to pulling the trigger on one. Considerably less $$ than Ncore too.
Harold
I would not mind re-visiting the Primare I32 in comparison to the older I22
integrated amp?
then Why have not other makers some with Deep pockets not immediately switched over?
Love here. Just right for my woofers
Hi, Ivan303,So you've heard these "big boy" powered speakers? What specifically is it about the PWM amps that don't sound good?
I know where the weakness is with my power amp, but unless you're talking upper echelon equipment they all have something that could be better. User preferences and system synergy (and realistically, budget) determine our choices. It's a compromise in any case and Class D amps can sound pretty good if integrated properly into a stereo system. Just my humble opinion. :-)
Regards,
Tom
Edits: 12/30/17
I think we are somewhere in the learning curve of how to best use this class of audio. I know over in the UK they've been using powered speakers since the 90's, so it would be best to ask the guys over there.
When I say a system jas to be built around it that is not a knock. In audio matching is everything. Like you can't be using a 83db speaker with a 3 watt SET amp.
Me personally, I don't understand class D and trying to reinvent the wheel??? I would lean towards the powered speaker direction with Class D.
For me, it's the PWM amp's amazing power and control over bass frequencies and the speed and transparency that compliments the tube preamp's bloom and naturalness. And as an added bonus, it runs nice and "cool".
Reinventing the wheel has context in that there has been a progression of designs over the decades: tubes > solid state > switching > ? . To say that we don't need another amp technology is to say that tube and solid state stereo amplification is perfect, which is absurd. Keep an open mind and you'll see with open eyes. Or more appropriately, hear with open ears. :-)
Regards,
Tom
and using an OLD Class D that fits well in/with my system, which existed with previous Class D amps
but initially was "built around" a Will Vincent ST-70.
It's all been about sounding good to sounding better. Sounding best will have to wait.
As for powered Class D speakers, they don't interest me with the exception of the sub I use.
"Once this was all Black Plasma and Imagination" -Michael McClure
Sorry I meant to say using it as a power amp. I'm all for the powered speaker development end.
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