NC12PA-8A
Key Features:
  • 12" (304 mm), 8 ohm
  • Guitar speaker with Ferrite magnet, Paper cone and dust cap
  • Heavy guage stamped steel basket
  • RoHS compliant;

Primary Specifications

Speakers Environment Indoor
ROHS Compliant Yes

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 12.0 / 304.0 inch / mm
Rated Impedance 8 ohms
Rated Power 30.0 Watts
Program Power 30 Watts
Frequency Range 100- 5000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
103 dB SPL
Voice Coil Diameter 1.75 / 44.7 inch / mm
Magnet Weight 50.0 / 1420 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 90 Hz
D.C. Resistance (Re) 6.4 ohms
Mechanical Q (Qms) 11.0
Electrical Q (Qes) 0.55
Total Q (Qts) 0.52
Compliance Equivalent Volume (Vas) 43.7 ltr
BL Product (BL) 13.6 T-M
Maximum Linear Excursion (Xmax) 1070.0 mm
Surface Area of Cone (Sd) 523.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Stamped Steel
Terminal Size .2 X 0.03
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kraft
Cone Felted Paper
Cone Edge Paper
Dust Cap Foam
http://s3.amazonaws.com/misco/curves/NC12PA-8A.JPG?1345610634
ID Description Measurements Tolerance
OD Outside Diameter 12.4 in. +/- 0.040”
CD Cutout Diameter 10.9 in. +/- 0.030”
MG Magnet Diameter 6.3 in. +/- 0.050”
HD Hole Diameter 0.35 in. +/- 0.020”
MD Mounting Diameter 11.5 in. +/- 0.020”
ID Internal Depth 5.0 in. Maximum
FT Flange Thickness 0.3 in. +/- 0.050”
NW Net Weight 4858.0 g
ceramic