Crate Amplifiers SPA-1400 - Manual (Page 21)

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SPA-1400/1400C
Rack Mount Power Amplifier
Speakon ® is a registered trademark of Neutrik USA
System Block Diagram, SPA-1400:
System Block Diagram, SPA-1400C:
RED (+)
BLK (–)
CH 2
INPUTS
RING
TIP
2
3
+
1
LIMITER
CONTROL
PROTECT
LIMIT
SIGNAL
SIGNAL
LIMIT
PROTECT
CH 2
LEVEL
CH 2
AMP
PARALLEL
MONO
BRIDGE
MONO
MONO
ST
MONO
ST
CH 1
INPUTS
RING
TIP
2
3
+
1
CH 1
AMP
LIMITER
CH 1
LEVEL
MONO/
BIAMP
SPEAKON ®
JACK
1+
2+
1– 2–
CH 2
OUTPUT
SPEAKON ®
JACK
CH 2
OUTPUT
BINDING
POSTS
RED (+)
BLK (–)
CH 1
OUTPUT
BINDING
POSTS
1+
2+
1–
2–
2+
2–
1+
1–
CH 1
OUTPUT
SPEAKON ®
JACK
CH 2
INPUTS
CH 2 LOW CUT
LOW/HI
SEND
X-OVER
MODE
FREQUENCY
OFF
ON
RING
TIP
2
3
+
1
LIMITER
CONTROL
PROTECT
LIMIT
SIGNAL
SIGNAL
LIMIT
PROTECT
FREQUENCY
CH 2
LEVEL
CH 2
AMP
PARALLEL
MONO
BRIDGE
MONO
OFF
ON
MONO
ST
MONO
ST
OFF
ON
CH 1
INPUTS
CH 1
THRU/
X-OVER
CH 1 LOW CUT
FREQUENCY OFF
ON
2
3
1
RING
TIP
2
3
+
1
1 / 2
2 / 1
LIMITER
CH 1
LEVEL
RED (+)
BLK (–)
MONO/
BIAMP
SPEAKON ®
JACK
1+
2+
1– 2–
CH 2
OUTPUT
SPEAKON ®
JACK
CH 2
OUTPUT
BINDING
POSTS
RED (+)
BLK (–)
1+
2+
1–
2–
2+
2–
1+
1–
CH 1
OUTPUT
SPEAKON ®
JACK
CH 1
OUTPUT
BINDING
POSTS
X-OVER
OUT/THRU
CH 2
THRU/
X-OVER
2
3
1
X-OVER
OUT/THRU