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Specifications - Yamaha KMS-301 User Manual

Natural sound bass-reflex type full-range speaker system

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This speaker system is designed for use in a side
long way.
Left speaker (A)
Note
Though this speaker system is a magnetic shielding
type, there may be an influence on TV picture
according to the type of TV or the placement of the
speakers. In such a case, place the speakers apart
from the TV so that there is no influence on TV
picture.
You can also use the screw holes on the rear or on
top of the speaker for installing the speakers on the
wall or the ceiling by using commercially available
mounting brackets.
60 mm
Rear
48.5
mm
A screw with a diameter of 5 mm and
a pitch of 0.8 mm can be used.
(Depth of hole : 8 mm)
60 mm
Top
PLACING THE SPEAKER
WARNING
● The required length of a screw differs depending on
the mounting bracket to be used. Select a screw
Right speaker (B)
which is suitable for use with the mounting bracket
and can be fully inserted into the hole on the
speaker.
● Each speaker weigh 3.0 kg (6 lbs. 10 oz.). Do not
attach them to thin plywoods or soft wall surface
materials, as the screws may tear free from flimsy
surfaces, causing the speakers to fall and be
damaged, or result in personal injury.
● Do not fasten the speakers to walls with nails,
adhesives, or other unsound hardware. Long-term
use and vibrations may cause them to pull free.
● To avoid accidents resulting from tripping over loose
speaker cables, fix these to the wall along with the
speakers.
Type................Full-range bass-reflex speaker system
Speaker Unit......................12 cm cone type (JA1234)
Input Terminal .............................................Push-type
Nominal Impedance.........................................6 ohms
Frequency Response ...........50 Hz – 20 kHz (–15 dB)
Nominal Input Power............................................40W
Maximum Input Power .......................................120W
Sensitivity ...................................................90 dB/w/m
Dimensions (WxHxD)..................273 x 167 x 211 mm
Weight.........................................3.0 kg (6 lbs. 10 oz.)
* Specifications subject to change without notice due
90 mm
to product improvements.
* Care should be taken not to exceed the input power
values noted above.

SPECIFICATIONS

Magnetic-shielding type (EIAJ)
3
9
5
(10-
/
" x 6-
/
" x 8-
4
16
REMOVING THE FRONT COVER
The front cover is fastened to the enclosure at four
points, and can be removed if desired. To remove the
cover, hold on to both sides and slowly pull straight
away from the speaker. To reattach, line up the four
pegs on the inside surface of the cover with the four
corresponding holes on the speaker and push gently.
Right speaker
Opening
Notes
● When the cover is removed, take care not to touch
the speaker units with your hands or to exert
excessive force with tools.
● This bass-reflex type speaker has an opening on the
front side.
Be careful not to obstruct the opening or put some
objects into it. If doing so, the sound will be
unnatural or it may cause damage to the speaker
and/or amplifier.
Built-in speaker protector
This speaker system incorporates a speaker
protector which protects the speakers from
excessive input. Once an excessive input is
applied to the speakers, the protector functions
and cuts out sound output from the speakers. If it
/
")
16
occurs, decrease the volume on the amplifier.
After several seconds, the protector stops
automatically and sound output revives.
Hole
Front cover
Peg
VV30830

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