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 121981A 

 

 
 
 
 
 

Parameter Date

 8/3/2004 2:17:26 PM 

Part Number

 PYM1255BLK  

 

Comments 

0431E PRODUCTION RUN 

Re

 5.42 

Ohms

 

fs

 52.4 

Hz

 

Le

 0.38 

mH

 

Mms

 32.3 

grams

 

QM

 4.69 

 

Mmd

 25.1 

grams

 

QE

 0.82 

 

Cms

 0.286 

mm/N

 

QT

 0.70 

 

Rms

 2.264 

N*sec/m

 

Xmax

 2.37 

mm

 

Vas

 118.0 

liters 

Pmax

 150 

Watts

 

SD

 538.9 

cm^2

 

Bl

 8.37 

Tm

 

VD

 128.0 

cm^3 

Coil Diameter

 2.00 

Inches

 

EBP

 63.8 

 

Gap Height

 0.313 

Inches

 

Magnet Weight

 34 

ounces 

Efficiency

 2.00 

%

 

Winding Width

 0.500 

inches 

 

 

 

SPL

 95.0 

dB 1W-1m 

*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. 

 

Reference Number 

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