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12. SUBWOOFER CALIBRATION
A. Set your SPL meter for C weighting and slow response. Set the scale to 80dB. Point the meter at the center speaker at
ear height with the meter at a slightly up-turned angle. Play track two of the test CD through the selected speaker and read the
SPL (Remember that the LFE-4 will re-route all frequencies below 80 Hz to the subwoofer.) Adjust the subwoofer level using a
small screw driver to 85dB on the subwoofer trim pot on the LFE-4 or LFE-5.
B. Next, route track two on the TEST CD to each of the 5 channels. Make sure that the subwoofer level is exactly 85dB SPL
for all channels. If they are not, you may have a frequency response problem in the signal path that will have to be corrected before
proper calibration can be achieved.
13. IF YOU NEED SERVICE OR SET-UP ASSISTANCE
Contact your dealer or M&K with a complete description of the problem. Please have the unit's model and serial numbers
(found on the back of the cabinet), date of purchase, and your dealer's name. You can call M&K between 8:30 AM and 5:00 PM
Pacific Time, Monday through Friday, at (818) 701-7010. If you call outside these hours, leave a message, and we will return your
call promptly. Alternatively, an email can be sent to service@mksound.com
.
DO NOT RETURN YOUR SPEAKERS TO THE FACTORY FOR
SERVICE WITHOUT OBTAINING PRIOR AUTHORIZATION
14. MPS-1611P SPECIFICATIONS
DRIVER COMPLEMENT: 1 X 1” SOFT-CLOTH-DOME FERROFLUID COOLED TWEETER
1 X 6.5” ULTRA-LINEAR MOTOR POLYPROPYLENE WOOFER
FREQUENCY RESPONSE: (anechoic) 80 Hz – 22 kHz +/- 3 dB (sealed cabinet – Normal setting)
(wall or console loaded) 35 Hz – 22 kHz +/- 3 dB (sealed cabinet – Full Range setting)
(wall or console loaded) 45 Hz – 22 kHz +/- 3 dB (ported cabinet – Normal setting)
(wall or console loaded) 35 Hz – 22 kHz +/- 3 dB (ported cabinet – Full Range setting)
INTERNAL CROSSOVER FREQUENCY: 1.6 kHz
CABINET TYPE: PORTED OR SEALED ENCLOSURE (WITH PORT PLUG)
POWER AMPLIFIER TYPE: 2 CHANNELS BI-AMPED/MIXED BI-POLAR DMOS TECHNOLOGY
CONTINUOUS RMS POWER OUTPUT:
MIDRANGE/WOOFER AMP: 100 WATTS INTO 8 OHMS @ 0.02% THD @ 100 Hz
TWEETER AMP: 50 WATTS INTO 4 OHMS @ 0.02% THD @ 3 KHz
FIXED & VARIABLE INPUT SENSITIVITY:
REF = 200mV Balanced/Unbalanced: 200mV/100 mV = 85 dB SPL @ 6 feet/2 Meters
REF = +4dBu Balance/Unbalanced: 1.23V/.615V = 85 dB SPL @ 6 feet/2 Meters
VARIABLE (REF = +4dBu ±6dB): 85 dB SPL @ 3 feet (-6dB) to 12 feet (+6dB)
S/N RATIO: >90 db
DIMENSIONS: 12 5/8” x 8 3/8” x 12 1/8” (HWD)
32 cm x 21.3 cm x 30.7 cm (HWD)
WEIGHT: 21 lbs. (9.4 kg)
(Specifications subject to change without notice)
12-1/8"
8-3/8"
12-5/8"
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