XRT28 in mind

wilbur-x · 9th July 2008, 07:19 AM

The McIntosh XRT28 has 10+10 4" mids and 16 tweeters per side.

In my look-alike/wannabe/cheapo/me-too project I have 8+8 mids and 16 tweeters per side, but in OB.
The drivers are chosen from Zaph project ZBM4: Aura NT1 and MCM-55-1853.
Hopefully, they will not be much stressed in this array.
Woofers are 2x 12"sls in vertical Ripole.
This system is 3 way, managed from a Behringer DCX2496 .

The big question for you, the skilled reader with high eyebrows:
How should the drivers be wired ?
Is "normal" 4 in series and then parallelled in groups of 4 to 8 ohm the way to go--- or do the Bessel-goast appear ?
(I'm worried for this).

wilbur-x · 11th July 2008, 01:32 PM

Ok, I take lack of replies that wiring of arrays not may be a common case.
I heard that listening distance is approx 8-10 x height of line source.
This may due to reduction of delay between center-to-lower/upper tweeter as listening distance increases ?
Anyway, Bessel or not to Bessel, I can try to reduce the virtual distance in a mechanical way by curving the arrray.
Please (!) arrest me if I'm going totally wrong.

9th July 2008, 07:19 AM	#1
wilbur-x diyAudio Member Join Date: Dec 2005 Location: Norway	XRT28 in mind The McIntosh XRT28 has 10+10 4" mids and 16 tweeters per side. In my look-alike/wannabe/cheapo/me-too project I have 8+8 mids and 16 tweeters per side, but in OB. The drivers are chosen from Zaph project ZBM4: Aura NT1 and MCM-55-1853. Hopefully, they will not be much stressed in this array. Woofers are 2x 12"sls in vertical Ripole. This system is 3 way, managed from a Behringer DCX2496 . The big question for you, the skilled reader with high eyebrows: How should the drivers be wired ? Is "normal" 4 in series and then parallelled in groups of 4 to 8 ohm the way to go--- or do the Bessel-goast appear ? (I'm worried for this).

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11th July 2008, 01:32 PM	#2
wilbur-x diyAudio Member Join Date: Dec 2005 Location: Norway	Ok, I take lack of replies that wiring of arrays not may be a common case. I heard that listening distance is approx 8-10 x height of line source. This may due to reduction of delay between center-to-lower/upper tweeter as listening distance increases ? Anyway, Bessel or not to Bessel, I can try to reduce the virtual distance in a mechanical way by curving the arrray. Please (!) arrest me if I'm going totally wrong.

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