KC12PA-8B
Key Features:
  • 12" (304 mm), 8 ohm Guitar Speaker
  • 1" voice coil on Nomex form, 40 watts
  • 12 oz Ferrite magnet, paper cone
  • 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 40.0 Watts
Program Power 80 Watts
Frequency Range 50- 8000 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
95 dB SPL
Voice Coil Diameter 1.0 / 25.4 inch / mm
Magnet Weight 12.0 / 341 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 68 Hz
D.C. Resistance (Re) 6.5 ohms
Mechanical Q (Qms) 21.0
Electrical Q (Qes) 2.19
Total Q (Qts) 1.99
Compliance Equivalent Volume (Vas) 118.6 ltr
BL Product (BL) 4.7 T-M
Maximum Linear Excursion (Xmax) 0.2 mm
Surface Area of Cone (Sd) 523.0 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 Nomex
Cone Paper
Cone Edge Paper
Dust Cap Foam
http://s3.amazonaws.com/misco/curves/KC12PA-8B.JPG
ID Description Measurements Tolerance
OD Outside Diameter 12.0 in. +/- 0.040”
CD Cutout Diameter 11.1 in. +/- 0.030”
MG Magnet Diameter 3.4 in. +/- 0.050”
HD Hole Diameter 0.3 in. +/- 0.020”
MD Mounting Diameter 11.6 in. +/- 0.020”
ID Internal Depth 4.5 in. Maximum
FT Flange Thickness 0.4 in. +/- 0.050”
NW Net Weight 1518.0 g
ceramic