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In Reply to: Re: QSC Amps - Audiophile Quality?? posted by Al Rose on December 8, 2004 at 04:09:59:
Get the Stereophile recommended components list and check which amplifiers are listed as Class A or B and go from there. You will not find QSC, Crown, Yamaha, Peavey, listed as soundstaging and 3D are not the criteria for most Road Amps...power, stability, and reliablity are. Brystons are listed and are used in many "live" venues where sound quality truly matters and they carry a 20 year warranty that I believe is transferable. Julian H. of Stereo Review fame used to rave about the old Crown DC 300A and the Phase Linear 400's as they were generally the beginning of true affordable high power amps. Headroom is not the only criteria for sound quality. Many still prefer the sound quality of mosfet based Hafler amps to this day, especially if you have bright and harsh horn loaded speaker cabinets. They do sound more tube like than most AB amps. Amp sound quality will be debated until the new millenium. The other question to be asked is are there any road or installed speaker cabinets that anyone would consider using as a true home audiophile speaker system? Not many if any I would doubt. Bag End? JBL?
Follow Ups:
Yer all wet. I defy you to be able to tell the difference in listening to soundstaging and 3d, or any other factor, between a QSC PLX series pro amp and any quality high end home amp (that is not introducing its own coloration), and
B) there are more than a few road/install speakers that have WAY lower distortion than 99% of all home audio speakers. I can give you several older examples, but to fast forward, the new SRX series from JBL shows potential, and would have better measurable and sonic performance (freq. response, polar response, power response, distortion, etc.)than most other speakers of any stripe.
I would recommend to anyone to quit reading things like Stereophile and TAS. I fell into that trap myself. I was happily listening to my horn/bass reflex loudspeakers, using mostly home made electronincs, and then got a 'gift' subscription to TAS. I went through a decade of becoming dissatisfied, thinking I must 'upgrade'. After going through many thousands of dollars, I had high rated loudspeakers and components, but...I was enjoying it less. The recommended components never had the realism of my old horn system and homemade electronics. I have since gone back to horns and given up TAS and Stereophile, and now my system again sounds more like real music. Go listen to live unamplified music, and trust your own ears!
Right on!
Quality/transparency is a criterion for "road" amps, too. "Soundstaging" and "3D" are primarily dependent on the source material.I would take a list of Stereophile recommendations by with some grains of salt. ;^)
-Bob
There are two theories on what makes a great amp. One is that it has to be tube driven, preferably SET, and not necessarily free of coloration. Adhering to that criteria leaves out not only QSC but also 99% of the rest of the amps out there. The other approach is that of acheiving 'straight wire with gain', and when that's the goal QSC reaches it as well as most and better than many.Bob is being quite conservative with regards to his 'grains of salt' advice. A truckload is more like it with regard to any reviewing source that gains its income solely from advertising dollars provided to it from the self-same subjects being reviewed. That doesn't mean that the reviews are necessarily over-inflated in their praise, but on the other hand when have you seen a recommendation made by one of these publications not to purchase something?
Amen, Bill.
Actually, until J. Gordon Holt sold Stereophile it happened quite a bit. My amp, A Forte' model 1a came about because Gordon reviewed the model 1 and claimed it too dark to be acceptable. Threshold then revised the amp to the model 1a.'Twas the good ol' days...:+)
Al
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