JC5MR-8A
Key Features:
  • 5" (127 mm), 8 ohm
  • Mid Range, 50 watt
  • Ferrite magnet black talc filled polypropylene cone with cloth surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 5.0 / 127.0 inch / mm
Rated Impedance 8 ohms
Rated Power 50.0 Watts
Program Power 100 Watts
Frequency Range 150 - 7000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
87 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 10.0 / 284 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 184 Hz
D.C. Resistance (Re) 6.6 ohms
Mechanical Q (Qms) 4.2
Electrical Q (Qes) 1.38
Total Q (Qts) 1.04
Compliance Equivalent Volume (Vas) 0.7 ltr
BL Product (BL) 5.9 T-M
Maximum Linear Excursion (Xmax) 1.2 mm
Surface Area of Cone (Sd) 66.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size Pigtail wires
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Black Talc Filled Polypropylene
Cone Edge Cloth
Dust Cap Plastic
http://s3.amazonaws.com/misco/curves/JC5MR-8A.JPG
ID Description Measurements Tolerance
OD Outside Diameter 5.0 in. +/- 0.040”
CD Cutout Diameter 4.1 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 4.7 in. +/- 0.020”
ID Internal Depth 5.5 in. Maximum
FT Flange Thickness 0.16 in. +/- 0.050”
NW Net Weight 812.0 g
ceramic