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ST/BRIDGE/DM
MODE
XLR/RCA
INPUT
25dB/31dB
GAIN
L
R
PRE
IN
PRE
OUT
R
4–16 OHMS. CLASS 2 WIRING
SPEAKER 1 SPEAKER 2
L
4–16 OHMS. CLASS 2 WIRING
SPEAKER 2 SPEAKER 1
PRE IN R PRE IN L
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
TRIGGER IN
TRIGGER OUT
LF
HF
PHONO
GROUND
ONLY
PHONO
(MM)
CD TUNER SAT BD PVR AV
RECORD
OUT
PRE
OUT
AUX R AUX L PRE OUT R PRE OUT L
TRIGGER OUT
6V 1A 12V 1.5A
ACCESSORY
POWER
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
LF
HF
双重单声道 - P49
双重单声道对于每个通道均需要使用1台功率放大
器。
我们建议,您将您P49功率放大器上的SPEAKER 1 L
子组用于低频,而将SPEAKER 2 R端子组用于高频。
在一台P49上,将标有SPEAKER 1 L+的红色正扬声器
端子连接至您右侧扬声器的正LF端子。类似地,
将标有SPEAKER 1 L-的黑色负扬声器端子连接至您右
侧扬声器的负LF端子。对于左侧扬声器,使用另一
P49功率放大器上标有SPEAKER 1 L+L-的端/P349
子,重复以上过程。
在第一台P49上,将标有SPEAKER 1 R+的红色正扬声
器端子连接至您右侧扬声器的正HF端子。类似地,
将标有SPEAKER 1 R-的黑色负扬声器端子连接至您扬
声器的负HF端子。对于左侧扬声器,使用第二台
P49上标有SPEAKER 1 R+R-的端子,重复以上过程。
在此设置中,每个功率放大器仅需进行一个互连,
该互连应连接至PRE IN L输入。互连可以使用XLR
(推荐用于较长走线的应用)或唱机(RCA)设置。
P49上的INPUT开关设置为适合所用线缆的适当设
置。
注:PRE IN R在此连接方式中不起作用。
警告:必须移除将低频(LF)端子连接至高频(HF)端子的金属
条。否则,会导致两个放大器均受到损坏,由此造成的设
备损坏通常不在保修范围之内。
为使A49能够控制P49的功率级,请使用单声道
3.5mm插线(非附带)将TRIGGER OUT连接至TRIGGER
IN
R
双重单声道配置下的1C49前置放大器和2P49功率放大器。
ST/BRIDGE/DM
MODE
XLR/RCA
INPUT
25dB/31dB
GAIN
L
R
PRE
IN
PRE
OUT
R
4–16 OHMS. CLASS 2 WIRING
SPEAKER 1 SPEAKER 2
L
4–16 OHMS. CLASS 2 WIRING
SPEAKER 2 SPEAKER 1
PRE IN R PRE IN L
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
TRIGGER IN
TRIGGER OUT
L
C49
P49 P49
移除
金属条
移除
金属条
确保放大器上的
MODE开关均设置
DM
确保放大器上的
INPUT开关与接线
配置(XLRRCA
匹配
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
XLR/RCA
INPUT
XLR/RCA
INPUT
25dB/31dB
GAIN
25dB/31dB
GAIN
注:设备可以通过XLRRCA互连。
展示的两种版本均仅供说明。
确保放大器的
GAIN开关均设置
31dB
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
XLR/RCA
INPUT
XLR/RCA
INPUT
25dB/31dB
GAIN
25dB/31dB
GAIN
故障排除
声音意外中断
如果内部散热器的温度上升至安全温度之上,则放
大器内的热断路器将会工作,以便保护设备,而且
保护系统将会暂时移除通往扬声器的功率输出。系
统将会在散热器冷却后自行重置。
<
对于连接2对低阻抗扬声器(6或更低)的情
况,更有可能是发生了过载现象。放大器过
载,可能会使其因过热而关闭。
<
请注意,即便音量未设置为最大,某些CD播放
器的高输出电压,也可能会使您的放大器以最
大功率运行。
如果您的放大器发生故障,请检查以下项目。
没有声音
检查以下内容:
<
放大器已打开。
<
A49/C49没有静音(即MT (mute)没有显示在显示
面板上;电源LED指示灯为绿色,而不是橙色
或红色)。
<
输入A49/C49的选定源正在产生音频(例如,如
果选择了CD,则CD播放器应正在播放)。
<
A49/P49/P349上的扬声器输出处于活动状态,
相应的扬声器LED指示灯为绿色。
无遥控器
检查以下内容:
<
使用新电池检查遥控器。
<
确保放大器和遥控器均设置为采用相同的控制
编码——请参阅第17页中的内容。
<
如果对于选定的输入,音量设置不起作用,请
检查对于该输入是否选择了处理器模式——请
参阅第12页中的内容。
103


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