Eighteensound 21NLW9601 21inch Lautsprecher Chassis 4 Ohm

Artikelnummer: ES21NLW9601-4

Lieferzeit ca. 2 - 4 Werktage

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Von 2 Stück 758,03 €
Von 4 Stück 734,83 €
Von 8 Stück 727,09 €
Von 14 Stück 711,62 €
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Eighteensound 21NLW9601 21inch Lautsprecher Chassis 4 Ohm


ES21NLW9601-4

  • 95 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

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. Bl force factor as well as all electro-dynamic parameters are linear within the working range. This, together with the high excursion behavior - 70 mm before damage, ±14 mm linear Xmax - makes the 21NLW9601 an extremely low distortion, highly dynamic transducer. The already low distortion and sound quality are further improved by an aluminum Single Demodulating Ring (SDR technology) that flatten impedance and phase with a constant power transfer. The 21NLW9601 has been developed after intense FEA and fluido-dynamics simulation and testing, focusing on dissipating the heat generated by the powerful 5.3" coil. Special attention was given to the optimization of air flow into the gap without introducing audible noise. 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.

Nominal Diameter533 mm
Nominal Impedance4 Ohm
Minimum Impedance4,0 Ohm
Nominal Power Handling11800 W
Continuous Power Handling23600 W
Sensitivity395,0 dB
Frequency Range31 - 1800 Hz
Voice Coil Diameter135 mm
Winding Materialcopper
Surround ShapeTriple roll
Cone ShapeStraight
Magnet MaterialNeo
SpiderTriple silicon spider
Woofer Cone TreatmentWeather protected
Recommended Enclosure200,0 dm3
Recommended Tuning41 Hz
Resonance Frequency41 Hz
Re3,0 Ohm
Qes0,33
Qms10,56
Qts0,32
Vas123,0 dm3
Sd1662,0 cm2
Xmax14,0 mm
Mms450,0 g
Bl32,7 Txm
Le2,18 mH
EBP124 Hz
Overall Diameter545 mm
Bolt Circle Diameter520 mm
Baffle Cutout Diameter492,0 mm
Depth250 mm
Flange and Gasket Thickness18 mm
Net Weight14,0 kg
Shipping Weight15,5 kg
Shipping Box570x570x290 mm
BL
32.7 Txm
Vas
123.0
Nominaler Durchmesser
533 mm ( in)
Xmax
14.0 mm
Qms
10.56
Qts
0.32
Woofer Cone Treatment
Weather protected
Re
3.0 Ω
Wicklung besteht aus
copper
Versandkarton
570x570x290 mm (22.44x22.44x11.42 in)
Einbautiefe
250 mm (9.84 in)
Dauerbelastbarkeit
3600 W
Resonanz Frequenz
41 Hz
Nominale Belastbarkeit
1800 W
Recommended Enclosure
200.0 dm3 (7.06 ft3)
Cone Shape
Straight
Sd
1662.0 cm2 (257.61 in2)
Versandgewicht
15.5 kg (34.17 lb)
Le
2.18 mH
MInimale Impedanz
4.0 Ω
Empfindlichkeit
95.0 dB
Schallwandausschnitt
492.0 mm (19.37 in)
Nominale Impedanz
4 Ω
Surround Shape
Triple roll
Außendurchmesser
545 mm (21.46 in)
Mms
450.0 g
Qes
0.33
Spider
Triple silicon spider
Frequenzbereich
31 - 1800 Hz
Magnet
Neo
Netto Gewicht
13.5 kg
Tuning Frequenz
41 Hz
Lochkreisdurchmesser
520 mm (20.47 in)
Schwingspulendurchmesser
135 mm (5.3 in)
Flange and Gasket Thickness
18 mm (0.71 in)
EBP
124 Hz

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