Planet Audio EC20B - Subwoofer channel controls; LOW PASS CROSSOVER; BASS BOOST FREQUENCY SELECTOR; BASS BOOST LEVEL SELECTOR

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System #4: 4 channel Input/Dual crossover 3-way system
System #3: 4 channel + 2 channel sub Input/3-way system
Head unit input: Front LlR channels, Rear LlR channels
Head unit input: Front LlR channels, Rear LlR channels, Subwoofer LlR channels
EC20B
output: Dual 3-way stereo system: FRONT and REAR Tweeter LIR channels
EC20B
output: 3-way stereo system: Tweeter LIR channels
Midslhighs LIR channels
Sub woofer LlR'" channels
• can also be set to Mono Sub channel
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To Front, Rear
Parallel Input
and Subwoofer
Selector in
LlR outputs
FREQUENCV
IN position
from
head unit
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DIRECT
JBWOOFER CROSS
MONOBLOCK
SUBWOOFER AMPLIFIER
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FOR LEFT CHANNEL
Sub Input
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Selector in
DIRECT position
Sub Channel Mode
Selector in
STEREO position
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TWEETER CHANNEL
2 CHANNEL AMPLIFIER
• MONOBLOCK
SUBWOOFER AMPLIFIER
FOR RIGHT CHANNEL
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To Rear
To Front
LlR outputs LlR outputs
from head unit from head unit
Sub Input
Selector in
MIX position
FRONT and REAR Mids/highs LIR channels
FRONT
and REAR Subwoofer LIR* channels
• can also be set to Mono Sub channel
FRONT SYSTEM
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Sub Channel Mode
TWEETER CHANNEL
2 CHANNEL AMPLIFIER
~MIDRANGE
IT SPEAKERS
Selector in J"WOOFEO C.oss
STEREO position 'HAs.
SUBWOOFER
2 CHANNEL AMPLIFIER
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Paralfellnput
Selector In
OUT position
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"'--,lHPUT
~D'RE<T
FREQUENCY
Sub Input
Selector in
MIX position
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Paralle/lnput
Selector in
OUT position
REAR SYSTEM
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J"WOOFER COOS5 Sub Channel Mode
'HA,,, Iliifi°Mor Selector In
::r STEREO position
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SUBWOOFER
2 CHANNEL AMPLIFIER
EC20B User's Manual - page 11
EC20B User's Manual - page 10