明けましておめでとうございます。
今年もよろしく。
18NLW9600CはEighteen Sound社の18インチサブウーファー用ユニット。
18NLW9600のコーンをカーボン繊維によるストレートコーンに変更した機種です。
パラメータを比較すると9600と9600ＣとはQmsが若干異なるものの、全体的には同じようなものに思えます。
なお、カーボン繊維のコーンの表裏には撥水加工がしてあるそうです。
18NLW9600C
Key features
97 dB SPL 1W / 1m average sensitivity
135 mm (5.3 in) Interleaved Sandwich Voice coil (ISV)
3600 W program power handling
Carbon Fiber straight cone
High performance neodymium magnet
Triple Silicon Spider (TSS) for improved excursion control and linearity
Single Demodulating Ring (SDR) for lower distortion
Low noise forced ventilation design
Suitable for high performance subwoofer systems
GENERAL SPECIFICATIONS
Nominal Diameter 462mm (18 in)
Rated Impedance 8 ohms
AES Power 1800W
Program Power 3600W
Peak Power 10000W
Sensitivity 97 dB
Frequency Range 32 - 2500 Hz
Power Compression @ -10 dB 0.7 dB
Power Compression @ -3 dB 1.2 dB
Power Compression @ 0 dB 2.2 dB
Max Recomm. Frequency 300 Hz
Recomm. Enclosure Volume 110 ÷ 350 lt. (3,88 ÷ 12,36 cuft)
Minimum Impedance 6,3 ohms at 25°C
Max Peak To Peak Excursion 70 mm (2,75 in)
Voice Coil Diameter 135 mm (5,32 in)
Voice Coil Winding Material aluminum
Suspension Triple Roll Polycotton
Cone Straight, Carbon Fiber
THIELE SMALL PARAMETERS
Fs 35 Hz
Re 4,6 ohms
Sd 0,1225 sq.mt. (189,9 sq.in.)
Qms 5.80
Qes 0,31
Qts 0,29
Vas 169 lt. (6,1 cuft)
Mms 261 gr. (0,58 lb)
BL 29,6 Tm
Linear Mathematical Xmax ±14 mm (±0,55 in)
Le (1kHz) 2,10 mH
Ref. Efficiency 1W@1m (half space) 95,6 dB
MOUNTING INFORMATIONS
Overall diameter 462 mm (18,18 in)
N. of mounting holes 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 440mm (17,32 in)
Front mount baffle cutout diameter 416 mm (16,38 in)
Rear mount baffle cutout diameter 422 mm (16,61 in)
Total depth 237,5 mm (9,3 in)
Flange and gasket thickness 26 mm (1,02 in)
Net weight 12,5 kg (27,6 lb)
Shipping weight 14 kg (30,9 lb)
CardBoard Packaging dimensions 482 x 482 x 257 mm (19 x 19 x 10,1 in)
今年もよろしく。
18NLW9600CはEighteen Sound社の18インチサブウーファー用ユニット。
18NLW9600のコーンをカーボン繊維によるストレートコーンに変更した機種です。
パラメータを比較すると9600と9600ＣとはQmsが若干異なるものの、全体的には同じようなものに思えます。
なお、カーボン繊維のコーンの表裏には撥水加工がしてあるそうです。
18NLW9600C
Key features
97 dB SPL 1W / 1m average sensitivity
135 mm (5.3 in) Interleaved Sandwich Voice coil (ISV)
3600 W program power handling
Carbon Fiber straight cone
High performance neodymium magnet
Triple Silicon Spider (TSS) for improved excursion control and linearity
Single Demodulating Ring (SDR) for lower distortion
Low noise forced ventilation design
Suitable for high performance subwoofer systems
GENERAL SPECIFICATIONS
Nominal Diameter 462mm (18 in)
Rated Impedance 8 ohms
AES Power 1800W
Program Power 3600W
Peak Power 10000W
Sensitivity 97 dB
Frequency Range 32 - 2500 Hz
Power Compression @ -10 dB 0.7 dB
Power Compression @ -3 dB 1.2 dB
Power Compression @ 0 dB 2.2 dB
Max Recomm. Frequency 300 Hz
Recomm. Enclosure Volume 110 ÷ 350 lt. (3,88 ÷ 12,36 cuft)
Minimum Impedance 6,3 ohms at 25°C
Max Peak To Peak Excursion 70 mm (2,75 in)
Voice Coil Diameter 135 mm (5,32 in)
Voice Coil Winding Material aluminum
Suspension Triple Roll Polycotton
Cone Straight, Carbon Fiber
THIELE SMALL PARAMETERS
Fs 35 Hz
Re 4,6 ohms
Sd 0,1225 sq.mt. (189,9 sq.in.)
Qms 5.80
Qes 0,31
Qts 0,29
Vas 169 lt. (6,1 cuft)
Mms 261 gr. (0,58 lb)
BL 29,6 Tm
Linear Mathematical Xmax ±14 mm (±0,55 in)
Le (1kHz) 2,10 mH
Ref. Efficiency 1W@1m (half space) 95,6 dB
MOUNTING INFORMATIONS
Overall diameter 462 mm (18,18 in)
N. of mounting holes 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 440mm (17,32 in)
Front mount baffle cutout diameter 416 mm (16,38 in)
Rear mount baffle cutout diameter 422 mm (16,61 in)
Total depth 237,5 mm (9,3 in)
Flange and gasket thickness 26 mm (1,02 in)
Net weight 12,5 kg (27,6 lb)
Shipping weight 14 kg (30,9 lb)
CardBoard Packaging dimensions 482 x 482 x 257 mm (19 x 19 x 10,1 in)
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