Yamaha XS250 - Manual (Page 11)

11
■ Portable Rack Mounting
This unit uses a forced cooling system in which air comes in through the front opening and goes out from the sides
and rear. If you mount a single unit on a portable rack, be sure to maintain vent openings on the rear and sides.
FILTER CHANNEL B CHANNEL A
INPUT CHANNEL B CHANNEL A INPUT CHANNEL B CHANNEL A
SPEAKERS CHANNEL B
70V = 32 Ω /CHANNEL 100V = 64 Ω /CHANNEL
CHANNEL A
G G
OUTPUT VOLTAGE CHANNEL B CHANNEL A
LOW CUT LOW CUT 40Hz 40Hz OFF OFF 80Hz 80Hz
HIGH CUT HIGH CUT 5kHz 5kHz
20 15 10 6
3
70V 100V
0 –dB 00 40 30 25 20 15 10 6
3
0 –dB 00 40 30 25
OFF OFF 10kHz 10kHz
– – + +
– + – +
Front
Air intake Air exhaust
Completely open
(Rear View) (Side View)
■ Fixed Installation Mounting
Do not block the vent openings on the rear and sides when you use the power amplifier.
More than 10 cm More than 10 cm More than 10 cm
Front
Front