- Product Details
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Quick Details
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Model Number:
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KA21
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Type:
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Passive
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Max SPL:
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138 dB
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Low frequency limit:
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29 Hz
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Nominal impedance:
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8 Ohms
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Transducers:
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1 x 21'' neodymium cone driver
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Finish:
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Dark grey brown
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Cabinet:
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FIrst grade plywood
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Directivity:
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standard or cardioid configurations
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Weight:
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49 kg / 108 lb
Quick Details
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Warranty:
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3 years
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Place of Origin:
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Guangdong, China
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Brand Name:
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Sinbosen
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Model Number:
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KA21
-
Type:
-
Passive
-
Max SPL:
-
138 dB
-
Low frequency limit:
-
29 Hz
-
Nominal impedance:
-
8 Ohms
-
Transducers:
-
1 x 21'' neodymium cone driver
-
Finish:
-
Dark grey brown
-
Cabinet:
-
FIrst grade plywood
-
Directivity:
-
standard or cardioid configurations
-
Weight:
-
49 kg / 108 lb
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KA21 subwoofer Specification
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Low frequency limit (-10 dB)
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29 Hz
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Maximum SPL
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138 dB
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Nominal directivity (-6 dB)
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Standard or cardioid configuration
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Transducers
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1 × 21″ neodymium cone driver
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Acoustical load
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Bass-reflex, progressive vent design
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Nominal impedance
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8 Ω
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Connectors
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2 × 4-point terminal block with push-in connection
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External rigging kits
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Inserts for rigging plates etc.
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Threaded insert
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Weight (net)
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49 kg / 108 lb
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Cabinet
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FIrst grade Russian birch plywood
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Coated steel grill
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Acoustically neutral 3D fabric
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Rigging components
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High grade steel with anti-corrosion coating
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Finish
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Dark grey brown
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Feature
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Powerful
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Clear low-frequency
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Stringent rigging conditions
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KA21 Low frequency Subwoofer
The KA21 is a compact subwoofer that can expand the frequency response bandwidth such as the KA15.The KA21's progressive vent design, which greatly reduces turbulence and outlet noise when used at high output, also improves low frequency efficiency.
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