Pioneer PDP-425CMX Technical Manual page 34

Special Installation (Embedding in the wall)
(2) Embedding in walls with no space provided behind the unit.
Panting (Punching) net (numerical aperture 50 % or over)
100 mm or
50 mm or
more
Cation : Due to possible heat up, we do not recommend installation in narrow, enclosed areas.
✩ Operating Temperature Restrictions
• Ambient temperature: 0 °C to 40 °C
• The same operating temperature restrictions apply to the speaker system (PDP-S44-LR).
✩ Operating Temperature Restrictions for Upside-Down Installations
* Upside-down mounting is unavailable when embedding this device in a wall.
Methods of Securing: Basic methods of securing are shown below. Avoid blocking or covering areas aside from those
indicated by
Before attaching the unit to fittings, double-check that the thickness and height of the fittings,
and the number of fixing bolts is correct.
(Also refer to "3.4.1 Mounting to fittings (pg. 28)".)
34
more
. The methods indicated by a large X-mark must not be used.
Installation is not possible
100 mm or
more