KC620W-B
Key Features:
  • 6.5" (165mm), 8 ohm
  • Extended Range Music and Voice, 25 watts
  • Ferrite magnet, black talc filled polypropylene cone with Santoprene rubber surround;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 6.5 / 165.0 inch / mm
Rated Impedance 8 ohms
Rated Power 25.0 Watts
Program Power 50 Watts
Frequency Range 30 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
90 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 12.0 / 341 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 45 Hz
D.C. Resistance (Re) 3.4 ohms
Mechanical Q (Qms) 9.3
Electrical Q (Qes) 0.661
Total Q (Qts) 0.62
Compliance Equivalent Volume (Vas) 30.5 ltr
BL Product (BL) 5.0 T-M
Maximum Linear Excursion (Xmax) 4.4 mm
Surface Area of Cone (Sd) 129.0 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 Kapton
Cone Black Talc Filled Polypropylene
Cone Edge Santoprene Rubber
Dust Cap Felt
http://s3.amazonaws.com/misco/curves/KC620W-B.JPG
ID Description Measurements Tolerance
OD Outside Diameter 6.6 in. +/- 0.040”
CD Cutout Diameter 5.6 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.3 in. +/- 0.020”
MD Mounting Diameter 6.1 in. +/- 0.020”
ID Internal Depth 2.7 in. Maximum
FT Flange Thickness 0.18 in. +/- 0.050”
NW Net Weight 1094.0 g
ceramic