RDC4WI
Key Features:
  • 4" (100mm), 8 ohm
  • Voice Range, 4 watts
  • Ferrite magnet, red acrylic treated cloth cone
  • 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 4.0 Watts
Program Power 8 Watts
Frequency Range 180 - 6000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
93 dB SPL
Voice Coil Diameter 0.7 / 17.8 inch / mm
Magnet Weight 2.4 / 68 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 291 Hz
D.C. Resistance (Re) 6.3 ohms
Mechanical Q (Qms) 14.2
Electrical Q (Qes) 3.97
Total Q (Qts) 3.1
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) 0.9 mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.19 X 0.02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Red Acrylic Treated Cloth
Cone Edge Red Acrylic Treated Cloth
Dust Cap Felt
http://s3.amazonaws.com/misco/curves/RDC4WI.JPG?1345610781
ID Description Measurements Tolerance
OD Outside Diameter 4.1 in. +/- 0.040”
CD Cutout Diameter 3.8 in. +/- 0.030”
MG Magnet Diameter 2.1 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 4.7 in. +/- 0.020”
ID Internal Depth 1.3 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 242.0 g
ceramic