Peerless BC25SC55-04 buy at hifisound.de

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BC25SC55-04

This BC family tweeter features a 4 ohm 25 mm voice coil, a damped fabric dome for smooth frequency response performance, and ferrofluid in the gap of the neodymium magnet motor, providing enhanced cooling of the voice coil. The tweeter comes with a compact faceplate with recessed mounting holes, complete with sealing gasket which helps in reducing vibration between baffle and driver. A finned heat sink has been added for improved power handling.

Short data

Usage as	Tweeter
Power Handling	100 Watt
Impedance	4 Ohm

Frequency from	1.400 Hz
Max. Frequency	20 kHz
Sound pressure	89.6 dB

Chassis-data

Overall dimensions	25 mm
Baffle cutout	70 x 54 mm
Depth (Total)	29.55 mm

Voice coil Ø	25.4 mm
Air gap height	2 mm
Magnet Ø	30 mm

Thiele-Small-Parameter

Resonance fs	fs: 1401.51 Hz
Mechanical Q	Qms: 3.82
Electrical Q	Qes: 1.83
Total Q	Qts: 1.24
DC-Resistance	Re: 2.74 Ohm
Coil Inductance	Le: 0.02 mH

Mech. Compliance	Cms: 0.0358 mm/N
Moving Mass	Mms: 0.4 g
Membrane Ø	Md: 30
Membrane Area	Sd: 7.1 cm²

Frequency & Impedance

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