50FF08-SH57
Key Features:
  • 2" (50mm), 8 ohm
  • Full Range, 3 watts
  • Ferrite magnet, Paper cone with pre-treated black cloth surround

Primary Specifications

Speakers Environment Indoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 2.0 / 50.0 inch / mm
Rated Impedance 8 ohms
Rated Power 3.0 Watts
Program Power 6 Watts
Frequency Range 220 - 20000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
85 dB SPL
Voice Coil Diameter 0.6 / 15.2 inch / mm
Magnet Weight 0.7 / 20 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 220 Hz
D.C. Resistance (Re) 7.7 ohms
Mechanical Q (Qms) 2.7
Electrical Q (Qes) 1.25
Total Q (Qts) 0.85
Compliance Equivalent Volume (Vas) 0.2 ltr
BL Product (BL) 2.9 T-M
Maximum Linear Excursion (Xmax) 1.2 mm
Surface Area of Cone (Sd) 13.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size 0.110 X .02
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Paper
Cone Paper
Cone Edge Pre-treated Black Cloth
Dust Cap Paper
http://s3.amazonaws.com/misco/curves/50FF08-SH57.JPG
ID Description Measurements Tolerance
OD Outside Diameter 2.1 in. +/- 0.040”
CD Cutout Diameter 1.9 in. +/- 0.030”
MG Magnet Diameter 1.7 in. +/- 0.050”
HD Hole Diameter 0.16 in. +/- 0.020”
MD Mounting Diameter 2.4 in. +/- 0.020”
ID Internal Depth 1.3 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 125.0 g
ceramic