5FUA
Key Features:
  • 5" (127 mm),4 ohm
  • Voice Range, 18 watt
  • Ferrite magnet, felted paper cone
  • NSN 5965011519816
  • Used in aircraft cockpit communication system

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.57 / 116.1 inch / mm
Rated Impedance 4 ohms
Rated Power 18.0 Watts
Program Power Watts
Frequency Range 180 to 6000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
93 dB SPL
Voice Coil Diameter 0.75 / 19.0 inch / mm
Magnet Weight 5.44 / 154 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 230 Hz
D.C. Resistance (Re) 3.6 ohms
Mechanical Q (Qms)
Electrical Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas) ltr
BL Product (BL) T-M
Maximum Linear Excursion (Xmax) mm
Surface Area of Cone (Sd) cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Steel
Terminal Size 0.187 by 0.022
Magnet Barium ferrite ceramic
Voice Coil Wire copper
Voice Coil Form aluminum
Cone paper
Cone Edge paper
Dust Cap felt cloth
http://s3.amazonaws.com/misco/curves/5FUA.JPG?1492614607
ID Description Measurements Tolerance
OD Outside Diameter 4.57 in. +/- 0.040”
CD Cutout Diameter 4.35 in. +/- 0.030”
MG Magnet Diameter 2.8 in. +/- 0.050”
HD Hole Diameter 0.205 in. +/- 0.020”
MD Mounting Diameter 4.69 in. +/- 0.020”
ID Internal Depth 1.66 in. Maximum
FT Flange Thickness 0.19 in. +/- 0.050”
NW Net Weight 472.0 g