Dayton Audio Odeum Apollo 18F 18SW1200 F-8

The  Odeum Apollo 18F 18SW1200 F-8  is an impressive 18-inch subwoofer from Dayton Audio. As part of the high-quality Odeum series, this subwoofer represents technical excellence, product reliability and innovation. With a sound output of up to 1200W and a robust 18-inch paper cone, the subwoofer offers a combination of power and durability. The Odeum series is ideal for any type of venue and sets new standards in subwoofer performance.

• World's Best 4" Voice Coil Ferrite Subwoofer
• A balanced ratio of SPL to Xmax ensures a loud and far-reaching subwoofer
• Aluminum demodulation ring for low distortion and low power compression
• Robust 18" ribbed paper cone for strength and durability
• Under the spider and the ventilation at the rear edge ensure a cooler running voice coil

• 18" (46cm) subwoofer
• Power handling: 1200 watts RMS
• Max load capacity: 2400 watts
• Impedance (Z): 8Ω
• Sensitivity: 96.4dB 2.83V/1m
• Frequency response: 30 to 1,000Hz
• Voice coil diameter: 4"
• DC resistance (Re): 6.5Ω
• Voice coil induction (Le): 2.25mH
• Resonance frequency (Fs): 32Hz
• Mechanical quality (Qms): 8.975
• Electrical quality (Qes): 0.42
• Overall quality (Qts): 0.4
• Moving mass (Mms): 193.6g
• Suspension compliance (Cms): 0.13mm/N
• Membrane area (Sd): 1200cm²
• Power factor (BL): 24.44Tm
• Equivalent volume (Vas):  287 liters
• Maximum deflection (Xmax): 10.6mm
• Cone / Membrane Material: Coated paper
• Voice coil wire material: copper
• Voice coil mold material: aluminum
• Basket / frame material: steel
• Magnet material: Ferrite
• outer diameter:  46.2cm
• Total depth: 19.27cm
• Cutout diameter: 41.37cm
• Mounting holes: 8
• Closed volume: 73.6 liters
• Closed F3: 70Hz
• Bass reflex volume: 141.6 liters
• Bass reflex F3: 35Hz

With the knowledge gained from decades of experience in loudspeaker design and engineering, Dayton Audio focuses on technical excellence, product reliability and innovation with the Odeum Series! The Odeum Series is a new range of professional loudspeakers suitable for any venue.

The Apollo 18F is an 18" subwoofer that's guaranteed to outperform the standard woofers in your PA system. Combining a large ferrite motor, a 4" voice coil with a fiberglass carrier and a copper induction cap to reduce distortion, it achieves a maximum power of 1200W. A paper cone with M-Roll fabric surrounds provides a neutral sound that's easy to adjust, and all-round ventilation ensures the whole system stays cool while you play!

Dayton Audio is the  Opinion that with this series of subwoofers, midrange speakers and tweeters they have hit the sweet spot of the pro audio market in terms of price and features.  The ODEUM series consists of two 1200 W 18" subwoofers (one neodymium, one ceramic), neodymium mid-woofers in 5 sizes and different power levels and two 1" output compression drivers (one screw-on, one screw-on).With the ODEUM series you can upgrade, replace or build a professional sound system.