TM-W18S
Applications：
• Sound reinforcement system in ultra bass
• Large Nightclub
Technical parameters：
FREQUENCY RESPONSE 31 ~ 300 Hz（±3dB）/ 25 ~ 300 Hz（-10 dB）
SENSITIVITY ( 1W/1m ) 103 dB
NOMINAL IMPEDANCE 4 Ohm
POWER RATING 1600 W ( AES )
LF COMPONENTS 2 × 18〞（4〞voice coil）
CALCULATED OUTPUT (MAX) 134 dB SPL, 140 dB SPL peak
DIMENSIONS (H×W×D) 550×1008×780（mm）
WEIGHTS 110 ( kg )
Speaker unit specifications
Features:
96 dB sensitivity 1 W / 1 m
1.100 W power handling
4” Copper sandwich voice coil for low power compression Neodymium magnet system
Double treated cone for water protection
Triple Aluminum demodulating rings for ultra low distortion Optimal for high output subwoofers
Light weight Carbon fiber diaphragm
SPECIFICATIONS
Application Subwoofer
Nominal impedance: Ohm 4 or 8
Power handling AES noise: W 1100
Sensitivity (1 W / 1 m): dB 96
Frequency response: Hz 20 - 200
Voice coil diameter: mm 101.6 (4”)
Voice coil material: Cu
Voice coil winding depth: mm 26
Magnet gap depth: mm 10
Basket: Cast Aluminum
Effect. diaphragm diameter D mm 393
THIELE-SMALL PARAMETERS
Resonance frequency: Fs Hz 31
DC resistance: Re Ohm 4.8
Mechanical Q factor: Qms 6
Electrical Q factor: Qes 0.39
Total quality factor: Qts 0.37
Equivalent volume: Vas l 262
Moving mass: Mms kg 0.210
Mechanical compl.: Cms mm / N 0.125
BL factor: BL Tesla m 22.4
Effective piston area: Sd ㎡ 0.1212
Max. linear excursion: Xmax mm ± 8
Voice coil inductance: Le1k mH 0.77
Le10k mH 0.43
MOUNTING INFORMATION
Impedance – 8 Ohm driver Recommended reflex enclosure:
140 l / 36 Hz, BRD = 200 mm / 366 mm long
Overall diameter: mm 458
Mounting holes diameter: mm 8 x 8.5
Bolt circle diameter: mm 440
Baffle cut-out diameter: mm 414
Overall depth: mm 228
Net weight: kg 7.72