RDC22F-8B
Key Features:
  • 2.5" (66 mm), 8 ohm
  • Full Range, 7 watts
  • Ferrite magnet, paper cone with polyether foam surround
  • RoHS Compliant;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 2.5 / 66.0 inch / mm
Rated Impedance 8 ohms
Rated Power 7.0 Watts
Program Power 14 Watts
Frequency Range 200 - 15000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
81 dB SPL
Voice Coil Diameter 0.6 / 15.2 inch / mm
Magnet Weight 2.4 / 67 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 232 Hz
D.C. Resistance (Re) 6.0 ohms
Mechanical Q (Qms) 3.9
Electrical Q (Qes) 2.1
Total Q (Qts) 1.35
Compliance Equivalent Volume (Vas) 209.1 ltr
BL Product (BL) 2.3 T-M
Maximum Linear Excursion (Xmax) 0.9 mm
Surface Area of Cone (Sd) 20.0 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 Paper
http://s3.amazonaws.com/misco/curves/RDC22F-8B.JPG
ID Description Measurements Tolerance
OD Outside Diameter 2.5 in. +/- 0.040”
CD Cutout Diameter 2.3 in. +/- 0.030”
MG Magnet Diameter 2.1 in. +/- 0.050”
HD Hole Diameter 0.17 in. +/- 0.020”
MD Mounting Diameter 2.91 in. +/- 0.020”
ID Internal Depth 1.1 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 204.0 g
ceramic