Prestige MR18REX/XF - H1699-08/06 7" Coaxial Woofer

The MR18REX/XF is a midrange coaxial loudspeaker providing high quality sound in a very compact format. The cone of the midrange acts as a horn loading for the tweeter, and the chassis of the dome unit represents the throat of this horn.
219,95 €
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Highlights

  • Long term power handling (RMS) is 80 Watts (Woofer) and 90 Watts (Tweeter)
  • The coaxially arranged precoated fabric dome high frequency unit has a low resonance frequency and integrates with the cone driver to a point source
  • The pre-coated reed-paper cone acts as a piston throughout the recommended frequency range

 

Product details

Seas Prestige MR18REX/XF - H1699-08/06 7" Coaxial Woofer

 

The MR18REX/XF is a midrange coaxial loudspeaker providing high quality sound in a very compact format. The cone of the midrange acts as a horn loading for the tweeter, and the chassis of the dome unit represents the throat of this horn.

 

The coaxially arranged precoated fabric dome high frequency unit has a smooth frequency response and integrates with the cone driver to a point source. Voice coil windings immersed in magnetic fluid increase short term power handling capacity and reduce the compression at high power levels. The pre-coated reed-paper cone acts as a piston throughout the recommended frequency range. The completely new rubber surround reduces resonances and prevents surround break up in the midrange band.

 

The surround’s small inverted roll, combined with a profile that follows the shape of the cone, results in almost total elimination of diffraction effects on the tweeter’s output.

SIMR18REXXF

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Impedance
8 Ohm
Driver type
Coaxial
Sensitivity
89 dB 2.83V/1m
Frequency range
220 - 25000 Hz
Resonance frequency (fs)
126 Hz
DC resistance (Re)
6.2 ohms
Mechanical Q (Qms)
2.49
Electrical Q at Fs (Qes)
0.96
Total Q factor (Qts)
0.69
Speaker diameter
7"
Power handling
250 W
Voice coil inductance (L)
0.43 mH
Effective mechanical mass incl air load (mms)
0.16g
Equivalent volume of compliance (Vas)
0.10 ft.³
Overall diameter
6.93"
Mounting diameter
5.72"