PRODUCT DESCRIPTION
The AMC650r and AMC680r
crossover gives an incredibly tight ±1dB match to the Master Reference. The AMC650r is perfect for any
Tweeter and waveguide are angled at 20 degrees for optimum coverage of the listening area. Copolymer woofer with NBR rubber surround offers smooth, natural performance.
This Package Contains:
2Model AMC650r or AMC680 loudspeakers
2White metal grilles
2Paint masks
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Examine the contents of the package and confirm that you have all the items.
INTRODUCTION
Note: This manual is written with the assumption that the installer possesses skill in the proper use of hand and power tools, a knowledge of local fire and building codes, and a familiarity with the environment behind the surface of the wall or ceiling in which the speakers will be installed.
Where to Place Your Speaker Systems
Effects of the Installation Location
The wall or ceiling into which the AMC650r or AMC680r is installed becomes its acoustical enclosure. A large part of the system’s acoustical performance is dependent on that enclosure. Generally, larger volumes will ensure full bass response. Whenever possible, avoid placing the speakers at either end of a long column such as that created between wall studs, the footer, and the header. Placement at the ends of such a tunnel will create a
Be sure the area behind the speaker mounting location is large enough - 0.5 cu. ft. or more. Avoid installing the speaker near the ends of the chamber behind the mounting that is formed by 2x4 framing. (Typically at ceiling or floor).
Fill the chamber behind the speaker mounting location with acoustically absorbent material.
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