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Contrabass Series CR 21s
Engineered for Impact: Experience Bass Like Never Before!
The Contrabass CR 21s is a high-performance reflex-loaded sub-woofer. The cabinet is loaded with a long-excursion 21" transducer for a power capability of 1800 W (AES). The extended cone displacement sets new limits from the mechanical point of view. CR21s is tuned to a frequency of 39 Hz for nice and punchy low-frequency information. A pair of large bass-reflex ports reduce noise from airflow to a minimum. Resonances are minimized by a highly stiff and stable wooden cabinet, adequately braced. The cabinet is constructed from Baltic birch ply and coated with highly weather-resistant, non-toxic, eco-friendly paint. The front of the loudspeaker is protected by a robust metal grill. Each side includes four handles and a top hat that can be used as a base for a distance rod or to fix the stacking adapter. The acoustical and mechanical design enables the CR 21s to be used as a powerful sub-woofer. The 21" transducer employs an industry-standard 4" voice coil and is popular both for installations and touring.
It adds more bass dynamics to the sound system while improving the mid-range clarity by taking the tension away from the main cabinets with smaller mid-drivers. For demanding applications, the CSC Maestro MS 26 Controller is configured to perform, with it’s EQ and limiter functions are pre-loaded on the controller. CF 10, CF 12, CF 15, and CF 12h, RR 15h, RR 212h are perfect matches for CR 21s.
Key Features
- Compact, high performance
- Reflex-loaded, 21” sub-woofer using customized European pedigree driver
- Easy and fast to install
- Can retrofit in an existing venue
- Top hat
Applications
- Live performances
- Nightclubs and bars
- Bars and lounges
Technical Specification
| MODEL | CR 21s |
|---|---|
| Type | Compact, Reflex loaded Sub-woofer system |
| Frequency Response (1) | 39 Hz-280 Hz ± 3 dB |
| Drivers | LF: 21" (525 mm) with a 4" (100 mm) voice coil |
| Recommended Amp. Upto | 2400 Watts |
| Sensitivity (1 W / 1 m) | 98 dB |
| SPL Peak | 141 dB |
| SPL program | 135 dB |
| SPL Nominal | 129 dB |
| Nominal Impedance | 8 Ohms |
| Dispersion | Omni |
| Crossover | 90 Hz active/ passive low pass filter |
| Enclosure | Baltic birch ply |
| Finish | Textured black paint |
| Protective Grill | Perforated steel |
| Connectors | 2 x Neutrik NL4 |
| Pin Connections | Input ± 1, Link through: ± 2 |
| Standard Colors | Black / White |
| Fittings | Rubber feet |
| Horn | NA |
| Rated Continuous Power AES | 1800 Watts |
| Rated Maximum Power/Program Power | 3600 Watts |
| Peak Power | 7200 Watts |
| Accessories | NA |
| Dimensions - Product (in mm) | (W) 772 x (H) 630 x (D) 655 |
| Dimensions - Including packing (in mm) | (W) 800 x (H) 645 x (D) 710 |
| Net weight (kgs) | 57 |
| Shipping Weight (kgs) | 61 |
About Series
The Contrabass Series products capture the bold and dynamic characteristics of the contrabass. Choose between a Reflex, Multiload, or a bandpass; the Contrabass Series has it all. The aim is to deliver deep, impactful bass that defines the lower frequency extension of the audio spectrum, making them ideal for both live sound and installation applications. Engineered to ensure minimum cabinet resonance, they disappear in a venue and are in different shapes and sizes that fit under a stairway, stand next to a column, or simply can be slipped under a stage without losing the high-impact performance. These subwoofers enhance low-frequency extension and overall audio presence, making them perfect for high-energy environments. These are ideally paired with the Cello and String Series mid-highs. Choose from our range of Contrabass and String series subwoofers to play, hear, and feel the music.
