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Re: your comments on 1.6

Posted by Mart (B) on December 17, 2001 at 09:35:38

In Reply to: your comments on 1.6 posted by paco on December 17, 2001 at 07:53:26:

Have I heard MG1.6QRs driven by decent amps? If you consider Sunfire systems & Bryston systems decent.

Have I seen a naked MG1.6QR in person? No.

Have I examined the through the grill cloth? Yes. The distance between the center of the mid-bass planar panel and the center of the mid-treble panel are about 9” even though the adjacent driver edges are nearly coincident. The centers are the cumulative source of the sound. Thus, the bulk of the integrated sound is perceived to emanate from there. Thus, it is where the perceived reintegration must coalesce. Above ½-wavelength distance interference patterns may develop. Now, while the huge surface area would reduce effects of such subsequent lobbing, it wouldn’t eliminate it all together as one noticed how the MG1.6QR predecessor sounded off axis (different result ... same physics). Below, ¼ wavelength the reintegration remains quite good even at 6’ away. This I don’t recommend anyone do with MG1.6s. So, while MG2.7QRs sound adequate at 6’, by 12’ they sound almost concentric.

Do I know what concentric planars sound like? Yes. That's why I own twin MGCC1s. I stack them with the tweeters meeting in a M?T-T/M configuration for that vary purpose.
... just my 2¢

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