DD Audio Power Tuned 9918b ESP
18" (46cm) subwoofer
/piece
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Your advantages with Masori
Description
Discover the Power Tuned 9918b ESP from DD Audio, an 18" subwoofer that scores with innovative features. Equipped with a CFB Carbon Fiber Blend Cone and a Vario-Density Extended Range of Motion Surround, this subwoofer offers maximum control with high excursion for dynamic bass response. It also comes with a Tuned Spider System for selected performance features and a Super-Frame for maximum spider diameter and heat dissipation. It also includes a patented ferrite magnet system and the option for SuperCharge enhancement. With its peak power handling of 10,000 watts and RMS power handling of 2,500 watts, the Power Tuned 9918b ESP produces a powerful, crystal-clear sound that will please any music lover.
Features
- 46cm (18") subwoofer
- Load capacity (RMS): 2500 watts
- Peak load capacity (peak): 10000 watts
- Impedance options: Double 1 Ohm or Double 2 Ohm
- Patented ferrite magnet system
- Lossless linear suspension
- Ribbed foam surround
- Magnetic protection cap incl. grid in front of the pole core hole
- Aluminum die-cast basket
Data
- Playback range 10Hz - 500Hz
- Direct current resistance (Re) 0.9Ohm
- Resonant frequency (Fs) 26.24 Hz
- Mechanical quality (Qms) 2.265
- Electrical quality (Qes) 0.51
- Overall quality (Qts) 0.47
- Equivalent volume (Vas) 161.9 L
- Xmax +-22mm
- Magnetic weight 1500 Oz
- Coil diameter 4" (101.6mm)
The SuperCharge option
- With the Supercharge option, you'll hear even tighter and cleaner bass across the entire power range.
- What exactly happens with SuperCharging? By adding a specially shaped neodymium shorting ring on a flush cut pole piece, with the opposite polarity facing down, you redirect otherwise lost magnetic energy into the voice coil gap. This increases the usable motor power by 20-25%, so that smaller, lighter motors have the same drive energy as larger motors.
- You can't drive a SuperCharged sub with more power and the SPL doesn't increase, but you will hear a cleaner output at higher levels. SuperCharged subwoofers use the power you give them more efficiently, but you still have the same heat dissipation and voice coil area. This means that the power handling is the same as the standard model.
- Info: The Supercharge subwoofers are made to order. The delivery time is 4-6 weeks in addition to the stated delivery time.
ESP subwoofer features
- Carbon Fiber Blend Cone (CFB) - The CFB composition uses a potent carbon fiber-based cocktail to give you the highest strength-to-weight ratio in the industry.
- Vario-Density Extended Range of Motion Surround (V-ROM) - Provides the ultimate in linear control at high excursion while enabling dynamic sounding bass response. The control ribs are compressed to a lower density than the main surround body to provide a continuously variable control system. The harder you drive it, the more control you get.
- Tuned Spider System (TSS) - Each suspension is tuned to specific performance characteristics, e.g. High Definition, Power Handling, X-Stiff Control.
- Super-Frame (SFrame) - Maximizes the spider diameter, cone diameter, suspension deflection and thus works as a secondary shorting ring and provides additional heat dissipation for better heat flow from the coil.
- SuperCharge option possible!
