Transcript
Specification Sheet Model # 31RN12-3
Key Features: • 1.2" (31mm), 12 ohm • Full Range, 1 watt • Neodymium magnet, aluminum black anodized cone • RoHS compliant;
Product Specifications & Parameters Primary Specifications Speakers Environment
Indoor
RoHS Compliant
Yes
Units of Measure
Technical Specifications Units of Measure Nominal Basket Diameter
1.2
inch
31.0
mm
Rated Impedance
12
ohms
Rated Power
1.0
Watts
Program Power
2
Watts
Frequency Range
250 20000
Hz
Sensitivity (2.83 V input measured at 1 Meter)
78
dB SPL
Voice Coil Diameter
0.7 / 17.8
inch / mm
Magnet Weight
0.3 / 8
oz / gr
Transformer
Small Signal Parameters Resonant Frequency (fo)
250
Hz
D.C. Resistance (Re)
12.1
ohms
Mechanical Q (Qms)
4.7
Electrical Q (Qes)
0.85
Total Q (Qts)
0.72
Compliance Equivalent Volume (Vas)
0.0
ltr
BL Product (BL)
3.0
T-M
Maximum Linear Excursion (Xmax) Surface Area of Cone (Sd)
mm 5.0
Moving Mass (Mmd)
cm2 g
Material Descriptions Basket
Stamped Steel
Terminal Size
.140 X .02
Magnet
Neodymium
Voice Coil Wire
Copper
Voice Coil Form
Paper
Cone
Aluminum Black Anodized
Cone Edge
Polyether Foam
Dust Cap
Aluminum
Sensitivity / Frequency
Drawing ID
Description
Measurements Tolerance
Od
Outside Diameter
1.2 in.
+/- 0.020"
CD Cutout Diameter
1.1 in.
+/- 0.020"
MG Magnet Diameter
1.0 in.
+/- 0.050"
HD Hole Diameter
in.
+/- 0.010"
MD Mounting Diameter in.
+/- 0.010"
ID
Internal Depth
0.5 in.
+/- 0.025"
FT
Flange Thickness
0.1 in.
+/- 0.050"
NW Net Weight
30.0 g
©2017 Misco/Minneapolis Speaker Company Inc. 2637 32nd Avenue South, Minneapolis, MN 55406 U.S.A. Call: 612-825-1010 • Fax: 612-825-7010 www.miscospeakers.com
