RJC4C-8WI
Key Features:
  • 4" (100 mm), 8 ohm
  • Mid Range, 15 watt
  • Ferrite magnet, water resistant paper cone with cloth surround
  • RoHS Compliant;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.0 / 100.0 inch / mm
Rated Impedance 8 ohms
Rated Power 15.0 Watts
Program Power 30 Watts
Frequency Range 200 - 10000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
92 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) 370 Hz
D.C. Resistance (Re) 6.0 ohms
Mechanical Q (Qms) 3.1
Electrical Q (Qes) 2.2
Total Q (Qts) 1.3
Compliance Equivalent Volume (Vas) 0.4 ltr
BL Product (BL) 4.1 T-M
Maximum Linear Excursion (Xmax) 0.3 mm
Surface Area of Cone (Sd) 61.0 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 Aluminum
Cone Water Resistant Paper
Cone Edge Pre-treated Black Cloth
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/RJC4C-8WI.JPG
ID Description Measurements Tolerance
OD Outside Diameter 4.1 in. +/- 0.040”
CD Cutout Diameter 3.7 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 3.3 in. +/- 0.020”
ID Internal Depth 1.9 in. Maximum
FT Flange Thickness 0.13 in. +/- 0.050”
NW Net Weight 687.0 g
ceramic