spl frequency response impedance response

Precision-coated textile diaphragm for improved consistency and high-frequency extension
Vented voice coil former for reduced distortion and compression
Copper-clad aluminium voice coil wire offering lower moving mass for improved efficiency and transient
Build-in cavities under dome/edge to equalize pressure for lower distortion and lower resonance frequency
Rear heat sink for increased power handling and reduced power compression
Dual neodymium magnets for improved efficiency and improved magnetic shielding for A/V applications
High-stability ferro fluid for increased heat transfer from the voice coil
Flexible lead wires for higher power handling and larger excursion
Black anodized magnet structure for increased power handling and reduced power compression
Gold plated terminals to prevent oxidation for long-term reliable connection
Delivered with EVA gasket attached for hassle-free mounting and secure cabinet sealing
Nominal size
Nominal impedance
Recommended freq. range
Sensitivity, 2.83V/1m, (average 2-20kHz)
Voice coil diameter
Voice coil height
Air gap height
Voice coil resistance, RDC
Voice coil inductance (measured at 20 kHz)
Magnet weight (dual neo)
Effective radiating area, Sd
Power handling, continuous, IEC 268-5,
Resonance freq., Fs
Moving mass, incl. air
Force factor, Bxl
Mechanical Q, Qm
Electrical Q, Qe
Total Q, Qt
Suspension compliance, Cms
Equiv.. air volume, Vas
Total unit net weight
30 [mm]
4 [ohm]
2-25 [kHz]
94 [dB]
30.4 [mm]
1.7 [mm]
3.0 [mm]
3.4 [ohm]
28 [μH]
25.5 [g]
11.5 [sq.cm]
45 [W]
1,100 [Hz]
0.45 [g]
2.5 [Tm]
1.2 1.69 0.70 0.047 [mm/N]
0.0087 [lit.]
0.13 [kg]
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