Peavey 1808-8 SPS BWX 18inch Woofer Speaker Driver

High efficiency 18" woofer that excels in both vented and horn-loaded bass enclosures. Designed to work in small vented enclosures with surprising bass extension and very high output. Great for DJs and musical instrument applications. Peavey item 00560580.

Specifications:

• Nominal Diameter: 18"
• Power Handling (RMS): 500 Watts
• Power Handling (max): 1000 Watts
• Impedance: 8 ohms
• Frequency Response: 35 to 1,000 Hz
• Sensitivity: 97.5 dB 1W/1m
• Voice Coil Diameter: 4"
• # Mounting Holes: 8
• Sealed Volume: 12.33 ft.³
• Sealed F: 348 Hz.

Thiele-Small Parameters:

• Resonant Frequency (Fs): 34.4 Hz
• DC Resistance (Re): 6.71 ohms
• Voice Coil Inductance (Le): 0.38 mH
• Mechanical Q (Qms): 7.55
• Electromagnetic Q (Qes): 0.64
• Total Q (Qts): 0.59
• Compliance Equivalent Volume (Vas): 13 ft.³
• Mechanical Compliance of Suspension (Cms): 0.17 mm/N
• BL Product (BL): 16.26 Tm
• Diaphragm Mass Inc. Airload (Mms): 106.7g
• Maximum Linear Excursion (Xmax): 4.6 mm
• Surface Area of Cone (Sd): 1240 cm².

Materials of Construction:

• Cone Material: Paper / Kevlar
• Voice Coil Wire Material: Aluminum
• Voice Coil Former: Fiberglass
• Magnet Material: Ferrite.