Crate Amplifiers PX700DLX 用户手册
3
PX700DLX/PX900DLX Powered Mixer
Features:
The Input Channels:
• Peak/Signal LEDs for optimum level settings
• Three bands of equalization
• Monitor, effects, and main level controls
• Gain control
• Pad switch (channels 1-4 only) to accommodate “hot” signals
• 1/4” balanced low impedance and XLR balanced high impedance input jacks
• Color coded knobs for ease of reference
The Master Section:
• Separate 7-band graphic eq’s for Monitor/Main 2 and Main/Main 1 (switchable)
• Separate Master level controls for Monitor/Main 2 and Main/Main 1 (switchable)
• Built in Limiter to prevent overdriving the amplifiers
• Five-segment LED displays for monitoring the output signals
• Effects send and return controls
• Switchable phantom power
• DSP Digital Signal Processing with on/off switch and four selectable effects
• Footswitch jack for remote control of DSP on/off
• Effects send/aux in jacks for external effects
• Tape in and tape out jacks for recording and play back
• Main and monitor line out jacks
• Color coded knobs for ease of reference
System Block Diagram:
VOCAL
LARGE
HALL
SMALL
HALL
DELAY
ON
HI Z
LOW Z
+48V
LOW MID
EFFECT
HIGH
PHANTOM
POWER
PEAK/
SIGNAL
PAD
GAIN
MAIN
MON
CHANNEL 1-4:
LINE 1
MIC
+48V
LOW MID
EFFECT
HIGH
PHANTOM
POWER
PEAK/
SIGNAL
GAIN
LINE 2
AUX IN
TAPE IN
TAPE IN
AUX IN
MAIN
MON
CHANNEL 5-7/5-9:
TAPE IN
SUM
MAIN
MAIN
EFFECT
EFFECT
MONITOR
MONITOR
INV
BRIDGE
MON/MAIN
3
2
1
3
2
1
6
5
4
B
POWER
AMP 2
MAIN
MASTER
7-BAND
GRAPHIC EQ
POWER
AMP 1
BRIDGE
SPKR OUT
MAIN 1 "A"
SPKR OUT
MAIN 1 "B"
SPKR OUT
MAIN 2 "A"
SPKR OUT
MAIN 2 "B"
SPKR OUT
MAIN
OUT
TAPE
OUT
TAPE
OUT
MAIN/
EFF RTN
LIMITER/
LED
DISPLAY
MON
MASTER
7-BAND
GRAPHIC EQ
MON
OUT
EFFECTS
SEND
FOOT
SWITCH
MON/
EFF RTN
DSP
LIMITER/
LED
DISPLAY
EFFECTS
SEND
6
5
4
B