Altec Lansing M500 - Manual (Page 6)

25"
63.5cm.
,T"
10.2cm.
■ 17.5” -
44.5cm.
<)-------
I
-9-
4”—
10.2cm
9.5”
24.1cm.
LOUDSPEAKER SYSTEM IS SHOWN WITH LOW
FREQUENCY DRIVER TOWARD THE BOTTOM
Figure 15.
ARCHITECT'S AND ENGINEER'S SPECIFICATIONS
The loudspeaker shall be the Altec Lansing Maestro
Series M500. It shall be of the two-way bass reflex
type, consistingof a front mounted 16-inch (40.6
cm) low-frequency loudspeaker, a high-frequency
compression driver on an injection molded con­
stant directivity horn, and a dividing network
having a crossover frequency of 630 Hz. The
loudspeaker system shall meet the following per­
formance criteria: Power handling, 250 watts of
pink noise with
6 dB crest factor, band width
limited from 48 Hz to 20 kHz. Frequency response,
smooth and uniformly usable at high levels from
48 Hz to 20 kHz. Pressure sensitivity, 96.5 db SPL
at one watt, 500 Hz to 3 kHz, measured at a
distance of one meter on axis. Impedance, 8 ohms
nominal, 6.8 ohms minimum. Distribution pattern
90° horizontally nominal from 2 kHz to 20 kHz
X
40° vertical nominal from 2 kHz to 20 kHz
with asymmetrical coverage in the vertical plane.
The enclosure shall be constructed of braced
3/4-inch (1.9 cm) birch plywood damped with
sound absorbing glass wool. The M500 shall
have a black stained finish. The dimensions shall
be 33 inches high by
26 V 2 inches wide by 171/2
inches deep (83.8 cm high x 67.3 cm wide x
44.5 cm deep). The loudspeaker system shall
weigh
86 lbs. (39.1 kg).
LANSING*
a MARK IV company
RO. BOX 26105 • OKLAHOMA CITY, OK • 73126-0105 U.S.A. • 405/324-5311 OR FAX: 405/324-8981
©1990 ALTEC LANSING CORPORATION
PRINTED IN U.S.A. 8/90
AL-1602 42-02-027992