Yamaha XM4220 Benutzerhandbuch - Seite 5

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Yamaha XM4220 Benutzerhandbuch

Rear Panel

1
2
80
1
HPF switches
These switches are used to turn on and off the HPF
(High Pass Filter) for each channel. When set to ON,
frequencies below 80 Hz are filtered using a 12 dB/
octave high pass filter.
Turn this switch ON if 70V-line, high-impedance
speakers are connected.
In Bridge mode, only the HPF switch of the first
channel in the pair is active, i.e., channel A of pair A–
B, channel C of pair C–D, and channel E of pair E–F
(XM6150 only).
2
Attenuators
These detented controls are used to attenuate the input
signal from – dB to 0 dB for each channel.
In Bridge mode, only the attenuator of the first channel
in the pair is active, i.e., channel A of pair A–B,
channel C of pair C–D, and channel E of pair E–F
(XM6150 only).
3
XLR inputs
These balanced XLR-3-31 type connectors are used to
connect input signals. They are wired pin 1–ground,
pin 2–hot (+), and pin 3–cold (–).
Hot
In Bridge mode, only the XLR input of the first channel
in the pair is active, i.e., channel A of pair A–B,
channel C of pair C–D, and channel E of pair E–F
(XM6150 only).
3
4
Ground
1
2
3
Cold
5
6
7
* The illustration shows model XM6150.
4
Euroblock connectors
These balanced Euroblock connectors are used to
connect input signals.
In Bridge mode, only the Euroblock connector of the
first channel in the pair is active, i.e., channel A of pair
A–B, channel C of pair C–D, and channel E of pair E–
F (XM6150 only).
5
CH A TO ALL CH switch
This switch is used to feed the input signal connected
to channel A to all channels.
When set to EACH CH, the input signal connected to
each channel is amplified and output by each channel
respectively. When set to CH A TO ALL CH,
however, the input signal connected to channel A is
fed to all channels.
6
BRIDGE switches
These switches are used to bridge the following
channel pairs: A–B, C–D, and E–F (XM6150 only).
When set to OFF, the two channels operate indepen-
dently. For example, the signal connected to input
channel A is amplified and output by the channel A
outputs, while the signal connected to input channel B
is amplified and output by the channel B outputs.
When set to BRIDGE, the signal connected to input
channel A is amplified and output by the bridged
outputs A–B, and channel B's inputs are not used.
8
5