Pioneer PRS-D1200SPL Mode D'emploi page 12

Connecting the Unit
CAUTION
Diagram A - Proper
4 Ω
Speaker
2 Ω Bridged Mode
DO NOT install or use this amplifier by wiring speakers rated at 2 Ω (or lower) in parallel to achieve a 1 Ω (or
lower) bridged mode (Diagram B).
Amplifier damage, smoke, and overheating could result from improper bridging. The amplifier surface could
also become hot to the touch and minor burns could result.
To properly install or use a bridged mode and achieve a 2 Ω load, wire two 4 Ω speakers in parallel with Left +
and Right – (Diagram A) or use a single 2 Ω speaker.
In addition, refer to the speaker instruction manual for information on the correct connection procedure.
Single Amplifier
MODE SELECT switch must
be in MASTER position.
• Use speakers having an impedance from 1 Ω to 8 Ω.
11
Amplifier
4 Ω
Speaker
Amplifier
Connect to a car stereo.
For details, see the "Connection Diagram".
Diagram B - Improper
2 Ω
Speaker
1 Ω Bridged Mode
Amplifier
2 Ω
Speaker
Amplifier
1 Ω to 8 Ω
1 200 W
(1 Ω)