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1
iAMP1620 / iAMP3020
iAMP1620 / iAMP3020
CH1 CLASS
D AM
P
MUTING
R
CH2 PRE
AM
P
MUTING
100HZ LOW
PASS FILTER
CH1 LIMITER
100HZ HIGH
PASS FILTER
T
CH2 CLASS
D AM
P
100HZ LOW
PASS FILTER
100HZ HIGH
PASS FILTER
CH1 PRE
AM
P
R
CH2 LIMITER
T
OVER
CURRENT
DETECTION
EMI FILTER
SWITCHING
POWER
SUPPL
Y
INRUSH RELAY
SHUTDOWN
TRIGGERS
HALF-BRIDGE
RESONANT
CONVERTERS
OVER CURRENT
OVER VOLTAGE
UNDER VOLTAGE
DC FAULT
PROTECTION
THERMAL
SENSING
OVER CURRENT
OVER VOLTAGE
UNDER VOLTAGE
DC FAULT
PROTECTION
THERMAL
SENSING
DC FAN SPEED
ATTENUA
TO
R
ATTENUA
TO
R
CH2 LED INDICATOR
CH1 LED INDICATOR
FULL
FULL
SUB
HP
SUB
HP
CH1
CH2 OUT
CH1 OUT
THRU CH1
THRU CH2
1
2
3
CH2 XLR-1/4COMBO JACK
1
2
3
1
2
3
XLR-1/4COMBO JACK
1
2
3
3
BLOCK DIAGRAM
Appendix
Annexe
iAMP1620 / iAMP3020