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In Reply to: RE: Old Vs New, and my new system (long) posted by DavidLD on July 02, 2009 at 08:35:05
David,
Yes, exactly. Your memory serves you well, that was about 5 years ago.
There are three key differences besides the PSB B15's Vs the Polk RTi28's. First, the PSB's allow a lower crossover frequency; second, I bypassed the Advent's series inductor this time; and third, this time around I had the Behringer RTA and mike to help with the set up. Everything else is pretty much the same stuff.
I think that if I had the RTA back then it might have been more successful. I did have a Radio Shack meter, the Infinity RABOS kit, and some test CD's back then, but they really were not good enough. For one thing, after I got the RTA, I looked at the output from some 1/3 octave pink noise test CD's. The noise was on 1/3 octave frequency intervals; but the bandwidth of the noise was much greater than 1/3 octave - being nearly a full octave wide. So you think you're doing a narrow band measurement, but you're really not.
My son still has the Polks with the Dennis Murphy crossovers. Great little speakers, and a huge improvement over the stock crossover; but the PSB's are better in several respects.
Jerry
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