Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

The U18RNX/P is a 6.5” High Fidelity woofer with an injection molded metal chassis, intended for bass reflex and transmission line designs. New Curv cone, a woven polypropylene with excellent internal damping together with perfectly matched moving parts g
€144.95
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Highlights

  • Long term power handling (RMS) is 80 Watts
  • Heavy copper ring below the T shaped pole piece reduces nonlinear and modulation distortion
  • Bullet shaped phase plug reduces compression due to temperature variations in the voice coil while avoiding resonance problems

 

Product details

Seas Prestige U18RNX/P - H1571-08 7" Curv Cone Woofer

 

The U18RNX/P is a 6.5” High Fidelity woofer with an injection molded metal chassis, intended for bass reflex and transmission line designs. New Curv cone, a woven polypropylene with excellent internal damping together with perfectly matched moving parts gives a smooth, extended frequency response.

 

Bumped back plate in the magnet system, together with the very long and light weight copper clad aluminum voice coil, allow extreme coil excursion with low distortion. Heavy copper ring below the T shaped pole piece will reduce nonlinear and modulation distortion. Bullet shaped phase plug reduces compression due to temperature variations in the voice coil, avoids resonance problems which would occur in the volume between the dust cap and the pole piece and increases the long-term power handling capacity.

 

Extremely stiff and stable injection molded metal basket, keeps the critical components in perfect alignment. Large windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.

SIU18RNXP

Data sheet

Impedance
8 Ohm
Driver type
Midwoofer
Sensitivity
88 dB 2.83V/1m
Frequency range
45 - 4000 Hz
Resonance frequency (fs)
43 Hz
DC resistance (Re)
5.9 ohms
Mechanical Q (Qms)
2.05
Electrical Q at Fs (Qes)
0.45
Total Q factor (Qts)
0.37
Speaker diameter
7"
Power handling
250 W
Voice coil inductance (L)
0.25 mH
Effective mechanical mass incl air load (mms)
13.4g
Equivalent volume of compliance (Vas)
0.77 ft.³
Overall diameter
6.93"
Mounting diameter
5.72"