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page 16powered subwoofers
rev 15.0897
IF YOU NEED TO REPLACE THE EXTERNAL FUSE:
Disconnect supply cord before changing fuse. Replace fuse only with same type.
Remove the fuse cap. If the fuse cap has an arrow printed on it, push the cap in and turn it
counterclockwise. If the fuse cap has a slot in it, use a flat head screwdriver to turn it counterclockwise.
Look carefully at the fuse. If the wire filament inside the glass is broken, replace the fuse ONLY with
one of the identical size and value. Using a fuse of a larger value will void your warranty AND MAY
CREATE A FIRE HAZARD. Plug the Subwoofer back in. If it does not work, unplug it immediately,
and contact your dealer or M&K for service.
REPLACEMENT FUSE VALUES (units with U.S. standard fuses)
Replace only with same type 3AG-250 VAC SLO-BLO 1 1/4" x 1/4" fuse.
MODEL 110 v 220 v MODEL 110 v 220 v
MX-2000 6 amp 3 amp MX-300 6 amp 3 amp
MX-200 4 amp 2 amp MX-145 2.5 amp 1.25 amp
MX-125 Mk II 4 amp 2 amp MX-100 4 amp 2 amp
MX-105 2.5 amp 1.25 amp MX-90 2 amp 1 amp
MX-80 1.25 amp .75 amp MX-70/MX-70B 2 amp 1 amp
V-100 4 amp 2 amp V-125 2 amp 1 amp
V-90 1.25 amp .75 amp V-75/V-75 Mk II 1.25 amp .75 amp
V-3B 1.25 amp .75 amp VX-4 1 amp .75 amp
VX-7B/VX-7 Mk II 1 amp .75 amp
REPLACEMENT FUSE VALUES (units with IEC 127-2/III standard fuses)
Replace only with same type IEC 127-2/III 5 X 20 mm timelag "T" fuse.
MODEL 220 v MODEL 220 v MODEL 220 v
MX-2000 2.5 A MX-300 2.5 A MX-200 1.6 A
MX-145 1 A MX-125 1.6 A MX-100 1.6 A
MX-105 1 A MX-90 800 ma MX-80 630 ma
MX-70/70B 800 ma V-100 1.6 A V-125 800 ma
V-90 630 ma V-75/V-75 Mk II 630 ma V-3B 630 ma
VX-4 630 ma VX-7/7B/Mk II 630 ma
13. IF YOU NEED SERVICE
Contact your dealer or M&K. Please have the unit's model and serial numbers (found on the back
of the cabinet), date of purchase, the name of your dealer, and a complete description of the problem.
You can call M&K between 8:30 AM and 5:00 PM Pacific Time, Monday through Friday, at (310) 204-
2854. If you call outside these hours, leave a message, and we will return your call.
DO NOT RETURN YOUR SPEAKERS TO THE FACTORY FOR
SERVICE WITHOUT OBTAINING PRIOR AUTHORIZATION.
All M&K powered subwoofers carry a three year limited parts and labor warranty. This warranty
is transferable to subsequent owners up to three years from the date of original purchase, and it
includes subwoofer amplifiers. It does not cover abuse, misuse, repairs by unauthorized service
stations, speakers without serial numbers, and speakers damaged in shipping or by accident. If you
have any questions about the warranty, please contact M&K.