82052
Key Features:
  • 25 watt, 5.25" mid-woofer
  • 8 ohm edge wound coil with aluminum form
  • 20 oz ferrite with a neodymium focusing magnet
  • Mica filled polypropylene cone
  • Copper shorting cap for inductance control

Primary Specifications

Speakers Environment Indoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 5.25 / 133.35 inch / mm
Rated Impedance 8 ohms
Rated Power 25.0 Watts
Program Power 50 Watts
Frequency Range 40- 10,000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
86 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 20.0 / 567 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 49 Hz
D.C. Resistance (Re) 6.94 ohms
Mechanical Q (Qms) 2.44
Electrical Q (Qes) 0.47
Total Q (Qts) 0.4
Compliance Equivalent Volume (Vas) 12.44 ltr
BL Product (BL) 6.4 T-M
Maximum Linear Excursion (Xmax) 4.9 mm
Surface Area of Cone (Sd) 86.6 cm2
Moving Mass (Mmd) 8.22 g

Material Descriptions

 
Basket Cast Aluminum
Terminal Size 0.250” x 0.032” & 0.187” x 0.020”
Magnet 20 oz Ferrite
Voice Coil Wire Copper
Voice Coil Form Aluminum
Cone Mica Filled Black Polypropylene
Cone Edge Black Rubber
Dust Cap Pre Treated Cloth
http://s3.amazonaws.com/misco/curves/82052.PNG?1433863176
ID Description Measurements Tolerance
OD Outside Diameter 5.5 in. +/- 0.040”
CD Cutout Diameter 4.8 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.18 in. +/- 0.020”
MD Mounting Diameter 5.53 in. +/- 0.020”
ID Internal Depth 2.8 in. Maximum
FT Flange Thickness 0.25 in. +/- 0.050”
NW Net Weight 1247.0 g
ceramic