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Owner's
Manual
and
Installation
Guide
id
PRECAUTIONS AND NOTES
IMPORTANT i Before you start the installation, please read
§ the remaining pages for instructions and
: { techniques to achieve maximum product
q performance. Although this installation guide
§ explains how to install the DPA 275/250 in a
# general sense, it does not show the exact
_§ installation methods for your particular
"€ vehicle. Installation of automotive stereo
§ components requires extensive experience in
@ dealing with a variety of mechanical and
s electrical procedures. If you do not feel you
"§ have the experience, do not attempt the
§ installation yourself, but instead ask your
8 Authorized Infinity Car Audio Dealer about
# professional installation options.
¢ The DPA 275/250 has five levels of circuit
protection that monitor and will shut down the
amplifier whenever electrical system voltages
drop below 10 V dc or exceed 15.5 V dc, tempera-
tures are above 194° F (90° C), short circuits
occur, or current draw exceeds product
specifications. For best performance, make sure
the operating environment does not create
conditions that trigger circuit protection.
The DPA 275/250 is designed to operate into a
optimum load of 4 ohms. IF POSSIBLE, DO
NOT USE THE DPA 275/250 TO DRIVE
SPEAKER LOADS THAT ARE LESS THAN
4 OHMS PER CHANNEL! OPERATING
INTO LOADS LESS THAN 4 OHMS WILL
ADVERSELY AFFECT PERFORMANCE.
¢ Proper mounting orientation is vertical with heat
sinks facing up. In this position, the rear panel
connections will face down (see Figure 9 on page
14). This will also provide convenient access to
the front panel controls.
Prior to installation, turn off all audio systems
and other electrical devices. As an extra
precaution, disconnect the (-) negative lead from
the vehicle's battery.
Precautions | Notes a
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