JC50F-4A
Key Features:
  • 5" (127mm), 4 ohm
  • Extended Range, 15 watts
  • Ferrite magnet, paper cone with polyether foam surround;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 5.0 / 127.0 inch / mm
Rated Impedance 4 ohms
Rated Power 15.0 Watts
Program Power 30 Watts
Frequency Range 70 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
91 dB SPL
Voice Coil Diameter 0.8 / 20.3 inch / mm
Magnet Weight 10.0 / 284 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 80 Hz
D.C. Resistance (Re) 3.5 ohms
Mechanical Q (Qms) 3.4
Electrical Q (Qes) 0.48
Total Q (Qts) 0.42
Compliance Equivalent Volume (Vas) 6.62 ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) 2.3 mm
Surface Area of Cone (Sd) 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 Paper
Cone Edge Polyether Foam
Dust Cap Felt
ID Description Measurements Tolerance
OD Outside Diameter 5.0 in. +/- 0.040”
CD Cutout Diameter 4.1 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 4.6 in. +/- 0.020”
ID Internal Depth 1.8 in. Maximum
FT Flange Thickness 0.15 in. +/- 0.050”
NW Net Weight 802.0 g
ceramic