Yamaha MS20S Operating Manual page 3

FEATURES
Thank you for purchasing the Yamaha MS20S powered monitor speaker
system. Yamaha's ongoing research in audio technology has resulted in the
YAMAHA: Active Servo Technology used in the М5205, providing a rev-
olutionary advance over previous speaker systems. This technology unifies .
the construction of the ported cabinet and the negative output impedance
of the 20W amplifier, enabling superb reproduction of the low-frequency
range, together with a tight, well-defined sound. Three inputs are provided,
allowing both microphone and line level (unbalanced) sources to be
connected. A 12cm cone woofer and 3cm cone tweeter in a bass reflex
enclosure provide a flat efficient response from low- to high- frequency
ranges. Efficient magnetic shielding allows the MS20S to be used even with
audio-visual components.
To ensure long and trouble-free use of your MS20S, please read this manual
carefully before use.
CONTENTS
PRECAUTIONS
. Although the №205 is fitted with magnetic shielding to minimize
interference to audio-visual components, color distortion may
appear on a color TV or monitor if the MS20S is placed too
close. lf this symptom is observed, increase the distance
between the TV/monitor and М5206.
. AVOID EXCESSIVE HEAT, HUMIDITY, DUST AND VIBRATION
Keep the unit away from locations where it is likely to be exposed
to high temperatures or humidity-such as near radiators, stoves,
etc. Also avoid locations which are subject to excessive dust
accumulation or vibration which could cause mechanical dam-
age.
. AVOID PHYSICAL SHOCKS
Strong physical shocks to the unit can cause damage. Handle it |
with care.
. DO NOT OPEN THE UNIT OR ATTEMPT REPAIRS OR MODI-
FICATIONS YOURSELF
This product contains no user-serviceable parts. Refer all main-
tenance to qualified YAMAHA service personnel. Opening the
unit and/or tampering with the internal circuitry will void the war-
ranty. Do not remove the screws. holding the metal grille to the
plastic cabinet. This will prevent accidental damage to the speak-
ers. To avoid accidental electric shock, avoid inserting anything
into the plastic case or the speaker reflex port.
. MAKE SURE POWER IS OFF BEFORE MAKING OR REMOV-
ING CONNECTIONS
Always turn the power OFF prior to connecting or disconnecting
cables. This is important to prevent damage to the unit itself as
weil as other connected equipment.
. HANDLE CABLES CAREFULLY
Always plug and unplug cables-inctuding the AC cord-by grip-
ping the connector, not the cord.
. CLEAN WITH A SOFT DRY CLOTH
Never use solvents such as benzine or thinner to clean the unit.
Wipe clean with a soft, dry cloth.
. ALWAYS USE THE CORRECT POWER SOURCE
Make sure that the power source voltage specified on the rear
panel matches your local AC mains supply.
U.S. & Canadian Models: 120V AC, 60Hz
General Model: 220/240V AC, 50/60Hz
. Do not place a container with liquid or small metal objects on top
of this unit. Liquid or metal objects inside this unit are a fire and
electrical shock hazard.