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Key Features
- Monstrous 1600-watt RMS power handling with 98dB sensitivity
- High-performance carbon fibre-loaded cone gives a fast response
- Ultra-lightweight design - the entire unit weighs only 12.8kg
- Intelligent heat management ensures minimal distortion
- Double suspension and highly effective multi-roll surround
Celestion NTR21-5010JD 21'' Low Frequency Subwoofer, 8 Ohm Overview
Advanced sub-bass architecture. The Celestion NTR21-5010JD is a 21'' low-frequency subwoofer with a huge 1600W RMS power rating and a nominal impedance of 8 Ohms. The NTR21-5010JD is the perfect choice for any vented (reflex), scoop, or horn-loaded bass cabinets.
With a neodymium magnet and a 5'' high-temperature inside/outside voice coil, the Celestion NTR21-5010JD delivers thunderous bass in an ultra-lightweight format. A rigid carbon fibre-loaded paper cone provides exceptional performance and a rapid response, whilst double suspension and a multi-roll surround ensure oustanding linearity - even at the extremes of cone excursion. Combined with a rugged cast-aluminium chassis and intelligent chassis/magnet heat management, the NTR21-5010JD promises excellent reliability and sonic performance.
With eight mounting slots, the Celestion NTR21-5010JD is easy to install in cut-outs measuring 19.37''. Take advantage of Celestion's legendary reputation for performance and reliability and add a NTR21-5010JD to your system today for outstanding detail and sound quality.
With a neodymium magnet and a 5'' high-temperature inside/outside voice coil, the Celestion NTR21-5010JD delivers thunderous bass in an ultra-lightweight format. A rigid carbon fibre-loaded paper cone provides exceptional performance and a rapid response, whilst double suspension and a multi-roll surround ensure oustanding linearity - even at the extremes of cone excursion. Combined with a rugged cast-aluminium chassis and intelligent chassis/magnet heat management, the NTR21-5010JD promises excellent reliability and sonic performance.
With eight mounting slots, the Celestion NTR21-5010JD is easy to install in cut-outs measuring 19.37''. Take advantage of Celestion's legendary reputation for performance and reliability and add a NTR21-5010JD to your system today for outstanding detail and sound quality.
Product Ref: 124601
Full Description
View Full DescriptionSpecifications
- Nominal Diameter: 530mm / 21''
- Power Rating: 1600W RMS
- Sensitivity: 98dB
- Nominal Impedance: 8 Ohms
- Frequency Range: 30Hz - 3kHz
- Voice Coil Diameter: 125mm / 5''
- Chassis Type: Cast aluminium
- Magnet Type: Neodymium
- Coil Material: Round copper
- Former Material: Glass fibre
- Cone Material: Carbon fibre-loaded paper
- Surround Material: Cloth-sealed
- Suspension: Double
- Dimensions: 575mm x 575mm x 280mm / 22.6'' x 22.6'' x 11''
- Xmax: 9mm / 0.35''
- Gap Depth: 12mm / 0.47''
- Voice Coil Winding Width: 30mm / 1.18''
Mounting Information
- Overall Diameter: 550mm / 21.65''
- Overall Depth: 254mm / 10''
- Cut-Out Diameter: 492mm / 19.37''
- Mounting Slot Dimensions: 12.5mm x 8.5mm / 0.49'' x 0.33''
- Number of Mounting Slots: 8
- Mounting PCD Range: 520mm - 528mm / 20.5'' - 20.8''
- Weight: 12.8kg / 28.2lbs
Small Signal Parameters
- Resonant Frequency - Fs: 32.2Hz
- Diaphragm Mass inc. Airload - Mms: 344.1g / 12.14oz.
- Mechanical Q - Qms: 5.819
- Electromagnetic Q - Qes: 0.339
- Moving Mass of Diaphragm - Mmd: 280.52g / 9.9oz.
- Total Q - Qts: 0.32
- DC Resistance - Re: 5.57 Ohms
- Compliance Equivalent Volume - Vas: 276.7lt / 9.97ft³
- BL Product - BL: 33.85Tm
- Mechanical Compliance of Suspension - Cms: 0.07mm/N
- Voice Coil Inductance - Le: 2.25mH
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