PMW820 S2/S4 – 2000 Series 8″ Pro Midrange

Single 2 ohm
Piston Diameter = 168.8 mm
f(s)= 112.8 Hz
R(e)= 1.708 Ohms
Z(max)= 12.54 Ohms
Q(ms)= 3.945
Q(es)= 0.6224
Q(ts)= 0.5376
V(as)= 8.474 liters (0.2993 cubic feet)
L(e)= 0.1623 mH
n(0)= 1.864 %
SPL= 94.8 1W/1m
M(ms)= 16.51 grams
C(ms)= 0.121 mm/N
BL= 5.668

Single 4 ohm
Piston Diameter = 168.8 mm
f(s)= 117.9 Hz
R(e)= 2.751 Ohms
Z(max)= 18.12 Ohms
Q(ms)= 3.924
Q(es)= 0.7022
Q(ts)= 0.5956
V(as)= 7.701 liters (0.272 cubic feet)
L(e)= 0.2394 mH
n(0)= 1.712 %
SPL= 94.44 1W/1m
M(ms)= 16.66 gram
C(ms)= 0.109 mm/N
BL= 6.951 

Frame Outer Diameter	8 1/16"    (205mm)
Grille Outer Diameter	" (mm)
Motor Outer Diameter	5 1/4"     (134mm)
Grille Protrusion	  " (mm)
Mounting Hole Diameter	7 1/4"     (183mm)
Mounting Depth		3 3/8"     (85mm)