M 9500 - JBL Audio User Guide / Operation Manual. Page 7

Your M9500 monitors should give years of trouble-free service.
Normally, the only routine maintenance will be cleaning. The
grilles may be cleaned of dust gently with a vacuum cleaner
using a brush attachment. If there should be stains on the
grille, a soft bristle brush moistened with a dilute mixture of
water and dishwashing  detergent may be used. The same
mixture may be used for cleaning the enclosure finish itself 
if it has become smudged.

As mentioned before, the 9-volt batteries in the dividing net-
works will last perhaps as long as their normal shelf life. You
may expect them to last at least 5 years. If the LED no longer
lights, remove the acrylic door on the front of the network and
replace them.

Sensitivity:

95 dB for 2.83 V @ 1 meter

Rated Impedance (LF parallel):

4 Ohms

Minimum Impedance:

3.0 Ohms @ 100 Hz

Frequency Response:

35 Hz to 20 kHz (half space)

Crossover Frequency: 

650 Hz

System Polarity:

EIA (positive voltage to red terminal
produced outward cone motion)

Low-Frequency Transducer:

1400 Nd

High-Frequency Transducer:

475 Nd

Horn Assembly:

H9500

Dividing Network:

N9500

Enclosure Volumes:

78 liters (2.8 cu ft) 35 Hz tuning (upper LF) 
115 liters (4.1 cu ft) 28 Hz tuning (lower LF)

System Dimensions:

140 mm H x 330 mm W x 403 mm D
(55"H x 15.13"W x 15.88"D) 
Total depth including horn 521 mm (20.5")

Weight:

38.2 kg (84 lbs) upper LF
54.5 kg (120 lbs) lower LF
37.3 kg (82 lbs) horn assembly

Version 9/14/95  7/27/98 2:58 PM  Page 7