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SPH-30X/4SW

3", 20Wrms, 4ohm
104180
In stock
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Description

High-quality hi-fi full range speakers, 50 WMAX, 20 WRMS, 8 Ohm (/8) or 4 Ohm (/4), with black Kevlar cone
  • Well dampened Kevlar cone of extra low weight
  • Drive system with full air ventilation
  • High-quality NEODYMIUM magnet system with double magnet
  • Specially developed basket also for multiple arrangements
  • High efficiency
  • Small speakers for background PA applications or e.g. rear speakers in home cinema systems
  • Suitable for applications from mid-high range speakers or full range midrange speakers in high-end hi-fi speaker systems to multiple arrangements in column speakers



Impedance (Z) 4 Ohm
Transmission method -
Frequency range f3-17,000 Hz
Resonant frequency (fs) 105 Hz
Rec. crossov. frequ. (fmax.) (12 dB/oct.) -
Power rating (RMS) 20 W
Peak music power output (MAX) 50 W
Sensitivity 87 dB/W/m
Max. rated SPL -
Max. voltage -
Radiation angle, horizontal -
Radiation angle, vertical -
Suspension compl. (Cms) 0.84 mm/N
Moving mass (Mms) 2.63 g
Mech. Q factor (Qms) 9.35
Electr. Q factor (Qes) 0.39
Total Q factor (Qts) 0.42
Equivalent volume (Vas) 1.1 l
DC resistance (Re) 3.55 O
Force factor (BxL) 3.91 Tm
Voice coil induct. (Le) 0.5 mH
Voice coil diameter Ø 21 mm
Voice coil former Kapton
Linear excursion (XMAX) ± 2 mm
Eff. cone area (Sd) 30 cm2
Magnet weight neodymium
Magnet diameter -
Mounting cutout Ø 73 mm
Mounting depth 40.7 mm
Mounting hole diameter -
Hole spacing X-axis -
Hole spacing Y-axis -
Dimensions 80.5 mm x 42 mm
Outside diameter -
Width 80.5 mm
Height 80.5 mm
Depth 42 mm
Protective class -
Admiss. ambient temp. 0-40 °C
Weight 143 g
Packing unit 1
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