Rack mounting screws are not supplied with the unit.
Be sure to use the screws with a diameter of over 5 mm (0.2") and
length of over 12 mm (0.47") to mount the unit.
Failure to do so may cause personal injury.

CAUTION

6. INSTALLATION PRECAUTIONS

7
The supplied power supply cord is designed for exclusive use with this unit. Never use it with other
equipment.
When mounting the unit in an equipment rack, the inside of the rack must be sufficiently ventilated.
To achieve sufficient ventilation, remove all panels on the rear of the rack.
When mounting the unit in the rack, also mount a Perforated Panel larger than 1U in size*:
(1) at the top and the bottom of the rack, and
(2) above and below every 5 units.
Perforated panel
Power amplifiers
DA-250D/250DH
Power amplifiers
DA-250D/250DH
Robust structure is one of the unit's main features. However, if the strength is particularly needed when
installing the unit in the rack, use a supporting runner for the safety purposes.
* 1U size = 44.5 mm or 1.75" (reference size)