OC80PA-B
Key Features:
  • 8" (205 mm), 8 ohm
  • Extended Range Music and Voice, 100 watts
  • Ferrite magnet, paper cone with natural 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 8 ohms
Rated Power 100.0 Watts
Program Power 200 Watts
Frequency Range 35 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92 dB SPL
Voice Coil Diameter 2.0 / 50.8 inch / mm
Magnet Weight 38.0 / 1079 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 47 Hz
D.C. Resistance (Re) 5.8 ohms
Mechanical Q (Qms) 11.1
Electrical Q (Qes) 0.3
Total Q (Qts) 0.29
Compliance Equivalent Volume (Vas) 34.4 ltr
BL Product (BL) 11.6 T-M
Maximum Linear Excursion (Xmax) 3.6 mm
Surface Area of Cone (Sd) 222.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.205 x 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Paper
Cone Edge Natural Rubber
Dust Cap Felt
http://s3.amazonaws.com/misco/curves/OC80PA-B.JPG
ID Description Measurements Tolerance
OD Outside Diameter 8.3 in. +/- 0.040”
CD Cutout Diameter 7.4 in. +/- 0.030”
MG Magnet Diameter 5.3 in. +/- 0.050”
HD Hole Diameter 0.3 in. +/- 0.020”
MD Mounting Diameter 7.7 in. +/- 0.020”
ID Internal Depth 3.8 in. Maximum
FT Flange Thickness 0.18 in. +/- 0.050”
NW Net Weight 3493.0 g
ceramic