Rear Panel - Yamaha P4500 Manual De Instrucciones

Rear Panel

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
(-).
• Phone jack
They are wired tip–hot (+), ring–cold (-), and sleeve–
ground.
• 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.
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INPUT
CHANNEL B
G
Hot Ground
1
2
3
Cold
Ring
Sleeve Tip
1 2
(BRIDGE)
CHANNEL A
(PARALLEL)
G
BRIDGE
STEREO
3 SPEAKERS terminals
For polarity in each mode, refer to the following dia-
gram.
• STEREO, PARALLEL mode
• BRIDGE mode
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
SPEAKERS
CHANNEL B CHANNEL A
STEREO
BRIDGE
PARALLEL MAX. OUTPUT 450W/4Ω (STEREO)
MAX. OUTPUT 900W/8Ω (BRIDGE)
SPEAKERS
CHANNEL B CHANNEL A
STEREO
BRIDGE
SPEAKERS
CHANNEL B CHANNEL A
STEREO
BRIDGE
4
(STEREO)
4-8Ω/SP
(BRIDGE)
8-16Ω/SP
3