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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: CDR comparisons of turntables -- is Fremer using an appropriate approach? posted by chris e. on April 17, 2007 at 03:20:47:
I have used CD-Rs to evalute a number of things such as phono stages, tube rolling in phono stages, TT mats, TT supports, TT cover up or down or off, etc. They can be extremely effective for this, as the CD-Rs I make are virtually indistinguishable from the original vinyl when played back on a top-rate CDP; the latter is very important for this.However, I am intercomparing different things in my system, changing only one thing at a time. I have found that acoustic feedback can be extremely important. You cannot eliminate it if your TT is subject to the sound coming from the speakers. Period. You can reduce it to near-inaudibility, but if your speakers are playing at volumes typical of most listening sessions, a careful comparison of CD-Rs made with the speakers on and off can be instructive. So, the "sound" of a TT can depend on its sensitivity to acoustic feedback plus the acoustic environment in which it is situated, which depends on the volume of the sound coming from the speakers, the support stand for the TT, and even the arm and cartridge sensitivity to acoustic feedback. There is no way you can really know what a TT will sound like in your room or how TTs will compare in your room without listening to them there. Different TTs will sound different from one another in different ways in different acoustic environments. That said, I'm sure that CD-Rs of different TTs can reveal some different characteristics of different TTs, but I think they can only serve as a guide.
Incidentally, one might think that the ideal set-up would be to completely acoustically isolate a TT from the sound produced by the speakers. I knew someone who had his TT in another room in order to do this. However, some people have argued that part of the charm of vinyl sound is provided by the acoustic feedback, giving the sound an extra "something" - perhaps warmth. It is instructive to hear CD-Rs made with the speakers on and off, as I said above.
Joe
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Follow Ups
- A major problem using CD-Rs to compare TTs. - jsm 12:41:05 04/17/07 (0)
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