A32WI-4A
Key Features:
  • 3.5" (87mm), 4 ohm
  • Voice Range, 4 watts
  • Alnico magnet, black phenolic treated cloth cone;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 3.5 / 87.0 inch / mm
Rated Impedance 4 ohms
Rated Power 4.0 Watts
Program Power 8 Watts
Frequency Range 400 - 5000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
90 dB SPL
Voice Coil Diameter 0.7 / 17.8 inch / mm
Magnet Weight 2.4 / 67 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 335 Hz
D.C. Resistance (Re) 3.0 ohms
Mechanical Q (Qms) 7.2
Electrical Q (Qes) 10.9
Total Q (Qts) 4.31
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) 1.5 mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.19 X 0.02
Magnet Alnico
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Black Phenolic Treated Cloth
Cone Edge Black Phenolic Treated Cloth
Dust Cap Black Cloth
http://s3.amazonaws.com/misco/curves/A32WI-4A.JPG?1345609792
ID Description Measurements Tolerance
OD Outside Diameter 3.5 in. +/- 0.040”
CD Cutout Diameter 3.1 in. +/- 0.030”
MG Magnet Diameter 0.9 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 3.9 in. +/- 0.020”
ID Internal Depth 1.25 in. Maximum
FT Flange Thickness 0.11 in. +/- 0.050”
NW Net Weight 88.0 g
neodymium