Dayton Audio PA Series Pro Woofers are a great upgrade for musical
instrument or sound reinforcement cabinets, and also excel in custom-built
speaker systems.
Highlights
Strong, low-mass carbon fiber impregnated paper cone
I-beam rolled edge 1.2 mm steel frame
Low distortion motor system w/copper cap
Powerful 80 oz. ceramic ferrite magnet
Vented pole piece/vented voice coil gap improve thermal management
Black motor parts and black polyimide voice coil former dissipate
heat
Bumped back plate for unrestricted excursion
Dayton Audio PA Series Pro Woofers are a great upgrade for musical
instrument or sound reinforcement cabinets, and also excel in custom-built
speaker systems. High power handling, smooth response, low distortion, deep
punchy bass, and rugged reliability are the features that set PA Series woofers
apart from other drivers – premium performance, but value priced.
Product Specifications
Nominal Diameter12"
Power Handling (RMS) - 450 Watts
Power Handling (max) - 900 Watts
Impedance - 8 ohms
Frequency Response - 44 to 4,000 Hz
Sensitivity - 96.1 dB 2.83V/1m
Voice Coil Diameter - 3"
Magnet Weight - 80 oz.
Thiele-Small Parameters
Resonant Frequency (Fs) - 39 Hz
DC Resistance (Re) - 5.5 ohms
Voice Coil Inductance (Le) - 1.68 mH
Mechanical Q (Qms) - 8.85
Electromagnetic Q (Qes) - 0.30
Total Q (Qts) - 0.29
Compliance Equivalent Volume (Vas) - 3.24 ft.³
Mechanical Compliance of Suspension (Cms) - .23 mm/N
BL Product (BL) - 18 Tm
Diaphragm Mass Inc. Airload (Mms) - 72.8g
Maximum Linear Excursion (Xmax)5 mm
Surface Area of Cone (Sd) - 530.9 cm²
Materials of Construction
Cone Material - Paper / Carbon Fiber
Surround Material - Cloth
Voice Coil Wire Material - Copper
Voice Coil Former - Kapton® / Polyimide
Basket / Frame Material - Steel
Magnet Material - Ferrite
Mounting Information
Overall Outside Diameter - 12.2"
Baffle Cutout Diameter - 11.14"
Depth - 5.63"
# Mounting Holes - 8