Niles AT8700 Installation & Operation Manual page 24

Specifications
Model AT8700
Driver Compliment
WOOFER — 8" aluminum/titanium/urethane
cone with a cast aluminum frame, bi-filer
voice coil winding, a vented pole piece, an
extreme temperature Til voice coil former, an
inverted dust cap, a butyl rubber suspension
and a custom construction debris screen
MIDRANGE — Dual 1-1/2" fluid-cooled alu-
minum/titanium/urethane hyperbolic domes
with NDFE 35 neodymium high magnetic flux
motor structure and distortion canceling bal-
anced drive
TWEETER — 1" fluid-cooled aluminum/
titanium/urethane hyperbolic dome with a
NDFE 35 neodymium, high magnetic flux
motor structure and distortion canceling bal-
anced drive
GENERAL — 360 degree rotating, 30 degree
pivoting, DSFG™ adjustable dispersion array.
6mm low diffraction X-Matrix™ reinforced
polycarbonate baffle.
Crossover
Computer-optimized, Linkwitz-Riley filters
with premium components and 4 increment
(-2dB; Flat; +2dB; +4dB) Bass, Midrange, and
Treble controls plus a Sub-Bass Boost control
(3dB @ 60Hz) and LinearTrack™ filters cen-
tered at 1kHz and 3.5kHz.
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Design Principle
Infinite baffle for large and varying air
volumes
Recommended Amplifier Power
Twenty to two hundred watts per channel RMS
Nominal Impedance
8 ohms (4 ohms minimum)
Frequency Response
30 Hz to 21,000 Hz, plus or minus 3dB (on axis)
Sensitivity
89 decibels for 2.83 volts of Pink Noise, mea-
sured at 1 meter on axis
Maximum Sound Pressure Level
1 14dB
Overall Exterior Frame Dimensions
1 1" x 18-3/8"
Depth Behind Wall
3-1/2" (Assumes 1/2" drywall)
Wall Cut-Out Dimensions
9-3/4" x 17-1/4"
Wiring Requirements
We recommend 16 to 18 gauge for up to 80
feet, 14 gauge for up to two hundred feet.
Connectors accommodate 8 to 22 gauge wire.