Reference Number
121982
Parameter Date 8/3/2004 2:29:49 PM
Part Number PYM1278BLK
Comments 0431E PRODUCTION RUN
Re 6.28 Ohms fs 62.4 Hz
Le 0.47 mH Mms 37.1 grams
QM 7.19 Mmd 30.5 grams
QE 0.62 Cms 0.175 mm/N
QT 0.57 Rms 2.024
Xmax 1.59 mm Vas 64.7 liters
Pmax 225 Watts SD 509.9 cm^2
Bl 12.19 Tm VD 80.9 cm^3
Coil Diameter 2.50 Inches EBP 101.5
Gap Height 0.375 Inches Magnet Weight 56 ounces
Efficiency 2.47 % Winding Width 0.500 inches
SPL 95.9
*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