Yamaha P3200 Owner's Manual - Page 5

s Rear Panel 1 INPUT CHANNEL B CHANNEL A G G 2 3 4 (BRIDGE) (PARALLEL) BRIDGE SPEAKERS CHANNEL B CHANNEL A STEREO PARALLEL STEREO BRIDGE MAX. OUTPUT 450W/4Ω (STEREO) MAX. OUTPUT 900W/8Ω (BRIDGE) (STEREO) 4-8Ω/SP (BRIDGE) 8-16Ω/SP 1 INPUT terminals (CHANNEL A, B) Three types of balanced terminals for channels A and B are provided. Channel A input terminal is used in Bridge and Parallel mode. • XLR-3-31 type connector They are wired pin 1-ground, pin 2-hot (+), and pin 3 cold (-). 3 SPEAKERS terminals For polarity in each mode, refer to the following diagram. • STEREO, PARALLEL mode SPEAKERS CHANNEL B CHANNEL A Hot 21 Ground 3 Cold • Phone jack They are wired tip-hot (+), ring-cold (-), and sleeve- ground. Ring Sleeve Tip • Barrier strip Hot (+), Cold (-) and Ground (G). 2 STEREO/BRIDGE/PARALLEL switch This slide switch is used to set the amplifier operating mode: STEREO, BRIDGE or PARALLEL. For details on the functionality of each mode, refer to "Modes" on page 4. STEREO BRIDGE • BRIDGE mode SPEAKERS CHANNEL B CHANNEL A STEREO BRIDGE In BRIDGE mode, the (-) jacks of CHANNELS A and B are not used. The minimum impedance for the connected speaker system is specified in "Speaker Impedance" on page 4. 4 GND terminals This is the grounding screw terminal. If hum or noise occurs, ground (earth) the unit via this jack, or try connecting it to the chassis of the mixer or preamp, etc. 3