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21-in Cardioid Infra Subwoofer, 4800W
Series: J-Series
Model: J-INFRA
- Applications: Live music, Playback, Speech, Stage monitor, Subwoofer
Product Info
Tech Specs
The J-INFRA is a cardioid infra subwoofer that can be used to supplement J-Series systems consisting of J8, J12 and J-SUB cabinets. It extends the frequency response of a J-Series system down to 27 Hz and can only be used in ground stacked configurations in conventional left/right setups as well as arranged in an infra subwoofer array. It has two bass reflex chambers containing three 21" drivers, two facing forward in one chamber that are driven from a channel of the D12 amplifier and one facing backwards driven by the other D12 channel. Through this driver setup its cardioid dispersion pattern avoids unwanted energy behind the system and greatly reduces the reverberant field at low frequencies providing highest accuracy in low frequency reproduction. Selecting Hypercardioid mode in the D12 optimizes the tuning of front and rear channels for a maximum rejection at the left and right sides behind the cabinet. The J-INFRA cabinet is constructed from marine plywood and has an impact and weather protected PCP (Polyurea Cabinet Protection) finish. The front and rear of the loudspeaker cabinet are protected by a rigid metal grill and the side panels incorporate eight handles. The cabinet front is fitted with four catches for securing an optional transport lid.
- Applications: Live music, Playback, Speech, Stage monitor, Subwoofer
- Speaker Diametre (Driver): 533.40 mm
- Maximum Frequency Response (Bandwidth): 70 Hz
- Maximum Frequency Response (Bandwidth): 0.07 kHz
- Minimum Frequency Response (Bandwidth): 27 Hz
- Minimum Frequency Response (Bandwidth): 0.03 kHz
- Finish: PCP (Polyurea Cabinet Protection)
- Impedance: 6 ohm
- Maximum SPL (Sound Pressure Level): 141 dB
- Power Handling: 4800 Watt
- Depth: 1158.24 mm
- Height: 685.80 mm
- Width: 1181.10 mm
- Product Weight: 151.95 kg
- Colour: Black
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Contact InSight Systems Group Pty Ltd
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InSight Systems Group Pty Ltd
8/170 Rooks Road
Vermont, Victoria 3133
Australia
1300 369 451
www.insightsystems.com.au
Contact in regards to this product:
d&b audiotechnik Corporation
Model: J-INFRA
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