SMB-80P
Key Features:
  • 8" (205mm), 4 ohm
  • Mid Bass Woofer, 50 watts
  • Ferrite magnet, black talc filled polypropylene cone with Santoprene rubber surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 8.0 / 205.0 inch / mm
Rated Impedance 4 ohms
Rated Power 50.0 Watts
Program Power 100 Watts
Frequency Range 55 -10000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
88 dB SPL
Voice Coil Diameter 1.5 / 38.1 inch / mm
Magnet Weight 20.0 / 568 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 56 Hz
D.C. Resistance (Re) 4.0 ohms
Mechanical Q (Qms) 10.3
Electrical Q (Qes) 0.95
Total Q (Qts) 0.87
Compliance Equivalent Volume (Vas) 23.4 ltr
BL Product (BL) 6.1 T-M
Maximum Linear Excursion (Xmax) 6.3 mm
Surface Area of Cone (Sd) 227.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.25 X 0.03 / 0.19 X 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Black Talc Filled Polypropylene
Cone Edge Santoprene Rubber
Dust Cap Plastic
http://s3.amazonaws.com/misco/curves/SMB-80P.JPG
ID Description Measurements Tolerance
OD Outside Diameter 8.2 in. +/- 0.040”
CD Cutout Diameter 7.2 in. +/- 0.030”
MG Magnet Diameter 4.5 in. +/- 0.050”
HD Hole Diameter 0.4 in. +/- 0.020”
MD Mounting Diameter 7.8 in. +/- 0.020”
ID Internal Depth 3.6 in. Maximum
FT Flange Thickness 0.18 in. +/- 0.050”
NW Net Weight 2279.0 g
ceramic