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

Driver 1" 20W, 107dB

150W AES compression driver, 4 διάφραγμα τιτανίου, coherent wave phasing plug, 8Ω

Driver 140WRMS, 108dB, 500-18.000 Hz

2" high frequency compression driver. The particular mylar/titanium
diaphragm using a 3" edgewound flat aluminium wire voice coil and a
optimized high energy ceramic magnet assembly using a copper shorting
ring assembly produce smooth response and excellent sonic properties .

Specifications1
Throat Diameter 50 mm (2 in)
Nominal Impedance 8 Ω
Minimum Impedance 8 Ω
Power Handling
(1000 –20000 Hz)
Nominal2 80 W
Continuous Program3 160 W
Sensitivity (1W/1m)4 108 dB
Frequency Range 0.5 – 18 kHz
Recommended Crossover5 1000 Hz
Voice Coil Diameter 75 mm (3 in)
Winding Material Aluminium
Inductance 0.14 mH
Diaphragm Material Titanium
Flux Density 1.8 T
Also available in 16 Ω, data upon request

Mounting and Shipping Information
Four M6 holes 90° on 102 mm (4 in) diameter
Overall Diameter 170 mm (6.7 in)
Depth 67 mm (2.6 in)
Net Weight (1 unit) 4.5 kg (9.9 lb)
Shipping Weight (2 units) 9.6 kg (21.2 lb)
Shipping Box (2 units) 210x210x190 mm
(8.3x8.3x7.5 in)
1 Driver mounted on B&C ME 75 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 500 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.