T-8385
Key Features:
  • 2-1/4" (57.1mm) Round, self-enclosed , 3.2 ohm
  • Aircraft chime speaker
  • Waterproof acrylic treated cone
  • Sealed airtight
  • 0.53 oz Alnico magnet

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 2.25 / 57.1 inch / mm
Rated Impedance 3 ohms
Rated Power 2.8 Watts
Program Power 5 Watts
Frequency Range 900 to 7000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
95 dB SPL
Voice Coil Diameter 0.57 / 14.5 inch / mm
Magnet Weight 0.53 / 15 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 1150 Hz
D.C. Resistance (Re) 2.7 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 0.145 by 0.020
Magnet Alnico
Voice Coil Wire copper
Voice Coil Form aluminum
Cone cloth with acrylic treatment
Cone Edge cloth with acrylic treatment
Dust Cap cloth with acrylic treatment
http://s3.amazonaws.com/misco/curves/T-8385.JPG?1490803722
ID Description Measurements Tolerance
OD Outside Diameter 2.25 in. +/- 0.040”
CD Cutout Diameter 2.08 in. +/- 0.030”
MG Magnet Diameter 0.89 in. +/- 0.050”
HD Hole Diameter +/- 0.020”
MD Mounting Diameter +/- 0.020”
ID Internal Depth 0.94 in. Maximum
FT Flange Thickness 0.085 in. +/- 0.050”
NW Net Weight 54.0 g