SICA Z008985 LP 53×58/N20 TW 8Ω DOME TWEETERS 1,1” 40W

Features

• 1,1” voice coil aluminium former and flat aluminium wire
• Treated silk dome
• Neodymium magnet circuit
• Ferrofluid in the air gap
• 95.8 dB sensitivity

Specification

GENERAL SPECIFICATIONS

• Nominal Dimensions: 53x58 mm
• Nominal Impedance: 8 Ω
• Rated Power AES: (2500 - 20000 Hz) 20 W
• Continuous Program Power: 40 W
• Rated Noise Power (IEC 60268-5): 80 W
• Sensitivity @ 1W/1m: 95.8 dB
• Voice Coil Diameter: 28 mm / 1,1 in
• Voice Coil Winding Depth: 2.7 mm
• Magnetic Gap Depth: 2 mm
• Flux Density: 1.37 T
• DC Resistance: 6.00 Ω
• Resonance Frequency: 1.5 kHz
• Magnet Weight: 20 g
• Net Weight: 0.08 kg
• Recommended Crossover Frequency: 2.5 kHz

1” high frequency compression driver, titanium
diaphragm, flat aluminium wire voice coil, low distortion,
extremely good response from 1.5 kHz. to 18 kHz.

Specifications1
Throat Diameter 25 mm. (1 in.)
Nominal Impedance 8 Ω
Minimum Impedance 7.6 Ω
Power Handling
(1500 –20000 Hz)
Nominal2 60 W
Continuous Program3 120 W
Sensitivity (1W/1m)4 106 dB
Frequency Range 1 – 18 kHz
Recommended Crossover5 1.5 kHz
Voice Coil Diameter 44 mm. (1.7 in.)
Winding Material Aluminium
Inductance 0.11 mH
Diaphragm Material Titanium
Flux Density 1.7 T
Also available in 16 Ω, data upon request

Mounting and Shipping Informations
Two M6 holes 180° on 76 mm. (3 in.) diameter
Three M6 holes 120° on 57 mm. (2.2 in.) diameter
Overall Diameter 134 mm. (5.3 in.)
Depth 68 mm. (2.7 in.)
Net Weight (1 unit) 2.9 Kg. (6.4 lb.)
Shipping Weight (4 units) 12.5 Kg. (27.5 lb.)
Shipping Box (4 units) 300x160x180 mm.
(12x6.3x7.1 in.)
1 Driver mounted on B&C ME 45 horn.
2 2 hours test made with continuous pink noise signal (6 dB crest factor) within
the specified range . Power calculated on rated minimum impedance.
3 Power on Continuous Program is defined as 3 dB greater than the Nominal
rating.
4 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal
Impedance. Average SPL from 1000 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.