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双重放大
双重放大每个通道需要使用两个放大器。通常,您
A49用于驱动高频(高音)扬声器,而功率放大
器(如P49)用于驱动较低频率(低音)扬声器。
除了A49应连接至标有HF或“高频”的扬声器端子
外,按照单线分音部分的描述将您的A49/P349连接
至扬声器。
接下来,如图所示,将功率放大器(例如P49/
P349)连接至LF或“低频”端子。另外还需要一对
音频互连线缆,以便将A49的前置放大器输出连接
P49的功率放大器输入。
互连可以使用XLR(推荐用于较长走线的应用)或
唱机(RCA)设置。将P49/P349上的INPUT开关设置为
适合所用线缆的适当设置。
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/P349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
使用双重放大方式连接至扬声器的A49P49
PHONO
GROUND
ONLY
PHONO
(MM)
CD TUNER SAT BD PVR AV
RECORD
OUT
PRE
OUT
R
4–16 OHMS. CLASS 2 WIRING
SPEAKER 1 SPEAKER 2
L
4–16 OHMS. CLASS 2 WIRING
SPEAKER 2 SPEAKER 1
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~
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
TRIGGER IN
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
TRIGGER OUT
LF
HF
LF
HF
R L
A49
P49
移除
金属条
移除
金属条
确保INPUT开关与
接线配置(XLR
RCA)匹配
确保MODE开关
已设置为ST
确保GAIN开关
已设置为31dB
注:设备可以通过XLRRCA互连。
展示的两种版本均仅供说明。
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
ST/BRIDGE/DM
MODE
XLR/RCA
INPUT
XLR/RCA
INPUT
25dB/31dB
GAIN
25dB/31dB
GAIN
LF
HF
LF
HF
桥接模式 - P49
在桥接模式下,仅SPEAKER 1L+R+输出处于活动
状态。
警告:请不要连接其他的扬声器端子,这样做会使您的放
大器严重受损。
如果每个扬声器都有多对连接端子,请使用标有LF
或“低频”的端子。
如要驱动您的右侧扬声器,选择某个P49放大器,
然后将标有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。
R
处于桥接模式的1C49前置放大器和2P49功率放大器。
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~
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
TRIGGER IN
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
TRIGGER OUT
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
TRIGGER IN
110-120V/220-240V
~ 50-60 Hz
350W MAX
POWER INLET
SUPPLY
VOLTAGE
SWITCH POSITIONS
115 = 110 - 120V~
230 = 220 - 240V~
TRIGGER OUT
L
类似地,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负LF端子。
重复以上过程,以便将第二个P49放大器连接至左
侧扬声器。
警告:务必确保您使用的是正确的SPEAKER 1L+R+端子。
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。将P49上的INPUT开关设置为适合
所用线缆的适当设置。
C49
P49 P49
警告:如果您的扬声器支持双线分音,将会有将低频(LF)
端子连接至高频(HF)端子的导电金属条;在桥接模式系统
中,不得将此金属条移除。
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
确保放大器的
MODE开关均设置
BRIDGE
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。
确保放大器上的INPUT
开关与接线配置(XLR
RCA)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
确保放大器的
GAIN开关均设置
31dB
102


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