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Get familiar with the reaction system: Introducing the Reaction System
Eclipse W520R-8 (special measurement conditions)
I brought a MTM to Iowa last year that used a pair of these, paired with Dayton Audio RS28. Same frame as the MCM 55-2669, which is a good thing, and possessed of a copper cap (or maybe entire sleeve) and a poly cone with minimal breakup. These are very nice drivers, and plans are to develop a compact, high end desktop monitor using it someday soon.
(Sorry, do not have screen shots of the following two measurements, just FRD and ZMA files).
In-box response, measured at 1M, on a tweeter axis. Account for a few db loss above 2.5k or so as a result.
In-box impedance of pair in parallel:
SPL accurate at 1M:
As can be seen, pretty low distortion and the breakup is relatively benign (even accounting for the slight off-axis bias in these measurements), as well as not propagating as 3rd order distortion lower in frequency.
As my MCM project progresses, I will be paralleling the Eclipse monitor project at the same time - the two drivers behave very similarly in a given enclosure and share the same cutout etc. I will post single driver measurements when I get to that point.
http://meniscusaudio.com/eclipse-w520r8-p-1523.html
Good price, excellent performance - this is a driver I would consider leading edge in the P/P (price divided by performance) factor, and could very well serve as a reference in that regard in the 5" category.
(Sorry, do not have screen shots of the following two measurements, just FRD and ZMA files).
In-box response, measured at 1M, on a tweeter axis. Account for a few db loss above 2.5k or so as a result.
In-box impedance of pair in parallel:
SPL accurate at 1M:
As can be seen, pretty low distortion and the breakup is relatively benign (even accounting for the slight off-axis bias in these measurements), as well as not propagating as 3rd order distortion lower in frequency.
As my MCM project progresses, I will be paralleling the Eclipse monitor project at the same time - the two drivers behave very similarly in a given enclosure and share the same cutout etc. I will post single driver measurements when I get to that point.
http://meniscusaudio.com/eclipse-w520r8-p-1523.html
Good price, excellent performance - this is a driver I would consider leading edge in the P/P (price divided by performance) factor, and could very well serve as a reference in that regard in the 5" category.
I have a signature.
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