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.
Key Features
Strong, low-mass carbon fiber impregnated paper cone
I-beam rolled edge 1.5 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 Diameter 18"
Moving Mass Of Diaphragm (Mmd) 171
Power Handling (RMS) 500 Watts
Power Handling (MAX) 1000 Watts
Impedance 8Ω
Frequency Response 26 to 2,000Hz
Sensitivity 97.8dB 2.83V/1m
Voice Coil Diameter 3"
Thiele-Small Parameters
Resonant Frequency (Fs) 28.3Hz
DC Resistance (Re) 5.6Ω
Voice Coil Inductance (Le) 3.9mH
Mechanical Q (Qms) 11.2
Electromagnetic Q (Qes) 0.34
Total Q (Qts) 0.33
Compliance Equivalent Volume (Vas) 14.19ft³
Mechanical Compliance of Suspension (Cms) 0.19mm/N
BL Product (BL) 22.3T·m
Maximum Linear Excursion (Xmax) 6mm
Surface Area of Cone (Sd) 1241.1cm²
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 18.11"
Baffle Cutout Diameter 16.73"
Depth 7.8"
# Mounting Holes 8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity
suggestion)
Sealed Volume 2.73ft³
Sealed F3 72Hz
Vented Volume 5.68ft³
Vented F3 47Hz