EC32RD-8B
Key Features:
  • 3.5" (87mm), 8 ohm
  • Full Range, 10 watt
  • Ferrite magnet, black talc filled Polypropylene cone with natural rubber edge;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 3.5 / 87.0 inch / mm
Rated Impedance 8 ohms
Rated Power 10.0 Watts
Program Power 20 Watts
Frequency Range 70 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
82 dB SPL
Voice Coil Diameter 0.8 / 20.3 inch / mm
Magnet Weight 3.0 / 85 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 80 Hz
D.C. Resistance (Re) 6.4 ohms
Mechanical Q (Qms) 2.9
Electrical Q (Qes) 1.4
Total Q (Qts) 0.94
Compliance Equivalent Volume (Vas) 2.8 ltr
BL Product (BL) 2.5 T-M
Maximum Linear Excursion (Xmax) 0.4 mm
Surface Area of Cone (Sd) 37.0 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 Black Talc Filled Polypropylene
Cone Edge Natural Rubber
Dust Cap Mylar Whizzer
ID Description Measurements Tolerance
OD Outside Diameter 3.4 in. +/- 0.040”
CD Cutout Diameter 3.0 in. +/- 0.030”
MG Magnet Diameter 2.4 in. +/- 0.050”
HD Hole Diameter 0.4 in. +/- 0.020”
MD Mounting Diameter 3.9 in. +/- 0.020”
ID Internal Depth 1.4 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 310.0 g
ceramic