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アンプ Yamaha C 450のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Yamaha C 450 12 ページ。 Yamaha power amplifier owner's manual
Yamaha C 450 にも： オーナーズマニュアル (12 ページ)
ページを印刷するRear Panel
20
25
30
40
∞
CHANNEL B
1 Volume controls
These volume controls allow you to adjust the volume
level in 31 steps in the range between – dB and
0 dB.
2 INPUTS (CHANNEL A, B)
Two types of balanced inputs for channels A and B
are provided.
Channel A input is used in Bridge and Parallel mode.
• XLR-3-31 type connectors
Pin 1–ground, pin 2–hot (+), and pin 3 cold (-).
Hot
• Barrier strip
Hot (+), Cold (-) and Ground (G).
3 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.
2
INPUT
CHANNEL B
CHANNEL A
G
15
20
15
10
10
25
30
6
6
3
40
3
0
∞
0
–dB
–dB
CHANNEL A
1
Ground
2
1
3
Cold
3
(BRIDGE)
(PARALLEL)
G
BRIDGE
STEREO
PARALLEL
4 SPEAKERS terminals
For polarity in each mode, refer to the following
diagram.
• STEREO, PARALLEL mode
• BRIDGE mode
In BRIDGE mode, the (-) terminals of CHANNELS
A and B are not used.
The minimum impedance for the connected speaker
system is specified in "Speaker Impedance" on
page 4.
5 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.
4
SPEAKERS
CHANNEL B
CHANNEL A
BRIDGE
STEREO
SPEAKERS
CHANNEL B
CHANNEL A
SPEAKERS
CHANNEL B
CHANNEL A
5
BRIDGE
STEREO
BRIDGE
STEREO
3