18

THRESHOLD

LOW CUT

CONTOUR

J15

HI-PASS

SRM450v2

INPUT

2

3

HI-FREQ

HI-FREQ

 

AMP

TWEET

1

COMPRESSOR

THRU

2

3

1SIGNAL LED

SIGNAL

SENSE

+15VDC TIMED

TURNOFF OFF

SIGNAL

SENSE ON

POWER

FUSE SWITCH

SWITCHING

POWER

CONTROLLER

POWER

TRANSFORMER

 

THERMAL

POWER

 

 

LED

LEDS

 

THERMAL

 

 

PEAK

 

 

DETECTION

SWITCH

MUTE

MUTE

MUTE

LOW AC

ON/OFF

 

 

VOLTS SENSE

CONTROL

 

 

 

40-120 Hz DELAY

LO-PASS COMPRESSOR

 

SWEEPING

 

176uS

 

 

 

 

 

 

LO-FREQ

 

FILTER

 

 

 

 

 

 

 

AMP

 

 

 

 

 

+

+

 

 

 

 

MID VDC

HI VDC

THRESHOLD

LPF

THRESHOLD

–

–

 

 

 

 

 

 

BASS CONTROL SERVO LOOP

+

–LO VDC

PEAK

LIGHT

LO-FREQUENCY

DRIVER

WOOF

SENSE

RESISTOR

DIAGRAM BLOCK