Reference Number
151669B
Parameter Date 8/3/2004 2:57:56 PM
Part Number PYM1578BLK
Comments 0431E PRODUCTION RUN
Re 6.13 Ohms fs 42.0 Hz
Le 0.44 mH Mms 55.7 grams
QM 8.06 Mmd 41.1 grams
QE 0.72 Cms 0.257 mm/N
QT 0.66 Rms 1.824
Xmax 1.59 mm Vas 273.2 liters
Pmax 225 Watts SD 864.6 cm^2
Bl 11.21 Tm VD 137.3 cm^3
Coil Diameter 2.50 Inches EBP 58.6
Gap Height 0.375 Inches Magnet Weight 56 ounces
Efficiency 2.74 % Winding Width 0.500 inches
SPL 96.4
*Please note : Customer assumes responsibility for power testing each design per application. Eminence Speaker LLC does not power test samples. The ratings above
are a general guideline based upon known thermal capacity of voice coil diameters/materials. True power handling depends on many driver and system factors, thus
our guidelines are conservative in nature.
N*sec/m
dB 1W-1m