28RN08M-1
Key Features:
  • 1.1" (28 mm), 8 ohm
  • Voice Range, 500 milliwatts
  • Neodymium magnet, Mylar cone
  • RoHS Compliant;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 1.1 / 28.0 inch / mm
Rated Impedance 8 ohms
Rated Power 0.5 Watts
Program Power 1 Watts
Frequency Range 650 - 6000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
80 dB SPL
Voice Coil Diameter 0.5 / 12.7 inch / mm
Magnet Weight 0.1 / 1 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 650 Hz
D.C. Resistance (Re) 7.9 ohms
Mechanical Q (Qms) 8.8
Electrical Q (Qes) 6.51
Total Q (Qts) 3.74
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 Stamped Steel
Terminal Size SOLDER PADS/ ATTACHED LEADS
Magnet Neodymium
Voice Coil Wire Copper
Voice Coil Form Paper
Cone Mylar
Cone Edge Mylar
Dust Cap Mylar
http://s3.amazonaws.com/misco/curves/28RN08M-1.JPG?1345609629
ID Description Measurements Tolerance
OD Outside Diameter 1.1 in. +/- 0.040”
CD Cutout Diameter 1.0 in. +/- 0.030”
MG Magnet Diameter 0.6 in. +/- 0.050”
HD Hole Diameter +/- 0.020”
MD Mounting Diameter +/- 0.020”
ID Internal Depth 0.1 in. Maximum
FT Flange Thickness 0.1 in. +/- 0.050”
NW Net Weight 7.0 g
neodymium