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Good sound is a must. Good measurements are, too, if the measurements are valid and complete for the product and its intended application.
It's not unheard of for a product to get a glowing review in <I>Stereophile</I>, but then measure poorly on the test bench. What ultimately guides you when choosing a product to audition or purchase?
I guess it is redundent, but the specs always seem to matter somehow. However, the ears are the final judge. I can spend hours mentally debating on the specs not coinciding with what I believe I am hearing, so I let the ears decide. I often wonder how accurate manufacturers' specs are. Who monitors them and varifies the accuracy?
I checked Sound only. However, what a product looks like is just as important! So I consider sound quality and the aesthetics. Measurements cannot tell me anything about how a product sounds. Maybe we haven't learned to measure the right things?
I have no interest in poorly designed products. I skip to JA's measurements when reading reviewsif all goes well there, then I'll take the time to read the rest of the review. There are plenty of well-designed products in every category. There's no need to waste time on the dumb designs that may sound good to the reviewer due to some "happy accident" of component, cable, or room interaction.
Sound and functionality. Over time, I have learned to look past the sound to make sure the compontent can do the things I need in my system. I am currently interested in an A/V processor that sounds great. Now I have to learn the video requirements I will have and how this compontent will perform those requirements.
JA's and others measurements and technical comments often can be the red flag that will indicate long term enjoyment or dissatisfaction, reliability or problems, a keeper or quick resell. Since I would never be able to duplicate the room and setup the reviewer used, the sound I base my decision on is the sound I hear when auditioning. I read what the reviewer says for enjoyment, not for help in making a decision. When I buy a product that does not have a professional technical review, I research the hell out of it to make sure it is based upon sound design standards and that other consumers have gained long term satisfaction from the product. I only buy audio equipment that has been on the market for at least six months to one year. Similar to my belief in not buying a car my mechanic hasn't checked out and taken for a test drive, I've never gotten a lemon.
Reliability and sound. It all sounds alike when it doesn't work. As for measurements; once we learn what and how to measure, I'll care. Right now all our measurements tell us is does the product meet spec. Thats just fine for blenders and microwave ovens, but has nothing to do with music. Look at how many amps and preamps have high THD specs and sound great. In fact has anyone heard an amp or preamp with ultra-low THD that sounded good?
Until my ossicles learn to decode numbers and graphs and pass that "data" to the scala tympani, media and vestibuli that pass sound to my brain, I'll chose equipment on sound and not numbers because that's what my body uses and likes! I don't even know the number gathered from testing of any component I own. I am glad the numbers are there for those that like them.
Reviews serve to build a candidate list. A component likely won't make the list if it doesn't measure well, but definitely won't make the list if it doesn't sound good, according to the review. Then I go and listen. If I can't listen to it, I won't buy it -- this means supporting local dealers -- So far, components in my 2 channel system have only made it there after an in home addition.