T-9308
Key Features:
  • 5" (127 mm), 45 ohm
  • Voice Range, 10 watt
  • Alnico magnet, Felted paper cone
  • used in aircraft avionics

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 4.57 / 116.0 inch / mm
Rated Impedance 45 ohms
Rated Power 10.0 Watts
Program Power Watts
Frequency Range 160 to 10,000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
89 dB SPL
Voice Coil Diameter 0.57 / 14.0 inch / mm
Magnet Weight 1.47 / 42 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 250 Hz
D.C. Resistance (Re) 43.0 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 0.023
Magnet Alnico
Voice Coil Wire copper
Voice Coil Form aluminum
Cone felted paper
Cone Edge felted paper
Dust Cap paper
http://s3.amazonaws.com/misco/curves/T-9308.JPG?1492702070
ID Description Measurements Tolerance
OD Outside Diameter 4.57 in. +/- 0.040”
CD Cutout Diameter 4.35 in. +/- 0.030”
MG Magnet Diameter 1.25 in. +/- 0.050”
HD Hole Diameter 0.2 in. +/- 0.020”
MD Mounting Diameter 4.69 in. +/- 0.020”
ID Internal Depth 2.1 in. Maximum
FT Flange Thickness 0.19 in. +/- 0.050”
NW Net Weight 257.0 g