Monacor SPH 255 Polypropylen buy at hifisound.de

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SPH-255
HiFi bass speaker, 120 W MAX, 8 Ohm

With polypropylene cone and very strong, ventilated magnetic systems. A sophisticated technology for versatile applications.

Voice coil of high power capability
Long-term stable rubber surround
Powerful bass reproduction of high efficiency

Short data

Usage as	Woofer
Power Handling	60 Watt
Impedance	8 Ohm

Frequency from	23 Hz
Max. Frequency	3 kHz
Sound pressure	91 dB

Chassis-data

Overall dimensions	257 mm
Baffle cutout	235 mm
Depth (Total)	108 mm
Membrane Type	Cone
Membrane Surround	Rubber
Membrane Material	Polypropylen

Voice coil Ø	50 mm
Voice coil height	17 mm
Voice coil material	Aluminium
Air gap height	8 mm
Magnet Ø	140 mm
Magnet-weight	1100 g

Thiele-Small-Parameter

Resonance fs	fs: 23 Hz
Mechanical Q	Qms: 2.86
Electrical Q	Qes: 0.26
Total Q	Qts: 0.24
Equivalent Air-Volumen	Vas: 205 Liter
DC-Resistance	Re: 6.1 Ohm
Coil Inductance	Le: 1.5 mH

Mech. Compliance	Cms: 1.19 mm/N
Moving Mass	Mms: 42 g
mech. Resistance	Rms: 2.1 kg/s-¹
Max. Excursion +/-	Xmax: 4.5 mm
BL Product	Bl: 11.7 N/A
Membrane Area	Sd: 350 cm²
Sound pressure	dB: 91 SPL

Frequency & Impedance

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