Eighteen Sound / 18 Sound - 21NLW9601 21" Neodymium Speaker

Description

18 Sound
18 Sound - 21NLW9601 21" speaker
Description :
The 21NLW9601 is a 21 inch neodymium high performance transducer. It is the evolution of the 21NLW9600 speaker. The transducer is suitable for high loading, ultra-low frequency horn loaded as well as bandpass subwoofer designs. For optimum results recommended amplifier should be able to deliver 3600 Watt program power without clipping. At the heart of the transducers stands the improved Triple Silicon Spider (TSS) lets the 21NLW9601 being able to control the moving mass with exceptional linearity, showing an exceptional stability of mechanical parameter values in the long term. The transducer design features include a high performance large displacement suspension system for improved cone control even at very high level of SPL matching. The state-of-the-art 5,3" diameter ISV copper voice coil shows a inside-outside split winding, four layers design, enabling the 21NLW9601 to handle up to 3600W program power.A special low density material air diffractor placed into the backplate acts as a cooling system, increasing the power handling capability and lowering the power compression figure. Weight reduction was a key development aspect of the 21NLW9601, resulting in a net value of 14kg (30,9b). The carbon fiber reinforced, straight ribbed cone shows a proprietary resin treatment for extra pulp strength and water repellent properties. A special coating applied to both the top and back plates makes the transducer far more resistant to the corrosive effects of salts and oxidization.
Key Features
98 dB SPL 1W / 1m average sensitivity
135 mm (5.3 in) split winding four layers ISV copper coil
3600 W program power handling
Carbon fiber reinforced treated cellulose cone
Triple Silicon Spider (TSS) improves excursion control and linearity even in extreme loading and SPL conditions
Single Demodulating Ring (SDR) for lower distortion
Low noise cooling design for very low power compression
Suitable for bandpass and horn loaded subwoofer designs
General Specifications :
Nominal Diameter
533mm (21 in)
Rated Impedance
8 Ohm
AES Power
1800W
Program Power
3600W
Peak Power
10000W
Sensitivity
98 dB
Frequency Range
25 - 2000 Hz
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