Monacor SPX-21M Hi-fi full range speaker, 12 W, 4 Ω

Monacor SPX-21M Hi-fi full range speaker, 12 W, 4 Ω

Hi-fi full range speaker, 12 W, 4 Ω

Excellent sound quality

Inverse laminated cone and ventilated centering spider

Neodymium magnet system

Voice coil system of very low moving mass

Application in small speakers or satellite systems

Ideally suited for line arrays, column speakers

Combined with bass-midrange speakers, very well-suited as a tweeter system with a low crossover frequency

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Technical Specifications

SPX-21M

Low-impedance 1

Impedance (Z) 4 Ω

Frequency range f3-22,000 Hz

Resonant frequency (fs) 170 Hz

Power rating (RMS) 12 W

Peak music power output (MAX) 25 W

Sensitivity 84 dB/W/m

Suspension compl. (Cms) 0.6 mm/N

Moving mass (Mms) 1.45 g

Mech. Q factor (Qms) 4.66

Electr. Q factor (Qes) 0.53

Total Q factor (Qts) 0.47

Equivalent volume (Vas) 0.1 l

DC resistance (Re) 3.74 Ω

Force factor (BxL) 3.32 Tm

Voice coil induct. (Le) 0.12 mH

Voice coil diameter Ø 20 mm

Voice coil former Kapton

Linear excursion (XMAX) ± 1.2 mm

Eff. cone area (Sd) 13 cm2

Magnet weight 25.8 g

Magnet diameter Ø 29 mm

Mounting cutout Ø 50.5 mm

Mounting depth 33.4 mm

Hole spacing X-axis 45 mm

Hole spacing Y-axis 45 mm

Dimensions 55.5 x 55.5 x 34 mm

Width 55.5 mm

Height 55.5 mm

Depth 34 mm

Colour black

Admiss. ambient temp. 0-40 °C

Weight 0.09 kg

Packing unit 1

Type of speaker 2"

Packing dimensions (W x H x L) 0.06 x 0.045 x 0.06 m

Gross weight 0.098 kg

Net weight 0.087 kg