Celestion NTR21-5010JD 8 Ohm 21″ 1600W Loudspeaker

Celestion NTR21-5010JD 8 Ohm 21″ 1600W Loudspeaker

General Specifications:

• Nominal diameter 21”, 530 mm
• Power rating 1600 W (rms)
• Nominal impedance 8Ω
• Sensitivity 98 dB
• Frequency range 30-3000 Hz
• Voice coil diameter 5”, 125 mm
• 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
• Xmax 0.35”, 9 mm
• Gap depth 0.47”, 12 mm
• Voice coil winding width 1.18”, 30 mm

Mounting Informations:

• Overall diameter 21.65”, 550 mm
• Overall depth 10”, 254 mm
• Cut-out diameter 19.37”, 492 mm
• Mounting slot dimensions 0.49 x 0.33”/12.5 mm x 8.5 mm
• Number of mounting slots 8
• Mounting slot PCD range 20.5-20.8”/520-528mm
• Unit weight 12.8 kg/8.8 lb

Small Signal Parameters: 

• D 0. 18.11”/46 m
• Fs 30.2 Hz
• Mms 318.85 g/11.26 oz
• Mmd 280.52 g/9.9 oz
• Qms 5.231
• Qes 0.309
• Qts 0.291
• Re 5.36Ω
• Vas 341.43 lt/12.05 ft3
• BI 32.39 Tm
• Cms 0.087 mm/N
• Rms 11.55 Kg/s
• Le (at 1 kHz) 2.063 mH

Key Features: 

• The Celestion NTR 21″ neodymium subwoofer offers 1600 W (AES standard) power handling and 98 dB sensitivity
• 5″ high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
• Double suspension and a “multi-roll” surround provide exceptional linearity at extremes of cone excursion
• Rigid lightweight carbon fibre loaded cone delivers improved performance and faster response
• Intelligent heat management in both chassis and magnet assembly design further minimizes distortion.

Designed & manufactured in the UK.

Why Choose Lean Business Audio?

50 years of experience of designing, building and supplying Home, Car and Professional Audio.

Huge stocks of leading loudspeakers and audio brands
KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare

Low Worldwide shipping rates.
Free Delivery on selected brands with the UK.
Price matching.

For more information please contact us at: +44(0)1473 744089
Or Email us at: sales@lean-business.co.uk