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  5. Power Tuned 818F

Power Tuned 818F

2 reviews

2500 Watt

Power Tuned 818F

2 reviews

Technical Highlights

  • 2500 Watts RMS, 7500 Watts peak, impedance D1/D2, 10.16 cm VCD.
  • Aluminum heatsink, ventilated voice coil insert, finned.
  • Installation depth 31.75 cm, bass reflex housing, elegant design.
  • More technical details
€999.00
€999.00 €999.00
2% discount with credit card

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ProductPower Tuned 818F · D1 (2x1 Ohm)

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Impedance: D1 (2x1 Ohm)
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Warranty terms
DD Audio-Power Tuned 818F-18" (46cm) Subwoofer-masori-kaufen
€999.00
€999.00 €999.00

Compatible with Power Tuned 818F

  • DD Audio-M5000-1-Kanal Verstärker-masori-kaufen
    5000 Watt

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    €1,199.00
    €1,199.00 €1,199.00
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  • DD Audio-SS3000-1-Kanal Verstärker-masori-kaufen
    3000 Watt

    SS3000

    €399.00
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    DD Audio

The Power Tuned 818F is an 18-inch (46 cm) Subwoofer from DD Audio with 2500 W RMS and 7500 W peak power. It features thermal cooling technology with a ventilated aluminum voice coil and a ventilated, ribbed aluminum heat sink. A higher excursion is supported by a stronger surround and a voice coil with a longer winding length. The design includes engraved DD logos as well as a rubber boot design on the motor. The impedance is available as D1 or D2.

Features
  • 18-inch (46 cm) Subwoofer
  • RMS power: 2500 W
  • Peak power: 7500 W
  • Impedance: D1 or D2
  • Thermal cooling technology
  • Ventilated aluminum voice coil
  • Ventilated, ribbed aluminum heat sink
  • Higher excursion due to stronger surround
  • Voice coil with longer winding length
  • Design with engraved DD logos
  • Rubber boot design on the motor
Technical Specifications
  • Fs: 27 Hz
  • Qms: 7.049
  • Qes: 0.8896
  • Qts: 0.7899
  • Vas: 155.3 l
  • Xmax: 31 mm
  • Xmech: 100 mm
  • Voice coil diameter (VCD): 10.16 cm
  • Diaphragm diameter: 40.005 cm
  • Frame outer diameter: 46.355 cm
  • Frame outer diameter with gasket: 46.99 cm
  • Mounting diameter: 41.6941 cm
  • Mounting depth: 31.75 cm
  • Motor diameter: 24.003 cm
  • Motor depth: 14.732 cm
  • Bass reflex enclosure: 141.584–198.218 l

Frequently Asked Questions about Power Tuned 818F

What is the rated power of the Power Tuned 818F Subwoofer?

The Power Tuned 818F Subwoofer has an impressive rated power of 2500 Watts RMS. This power delivers a powerful and clear bass that sounds excellent even under heavy load. Thanks to the carefully designed voice coil, peak power of up to 7500 Watts can be achieved, giving the subwoofer the ability to reproduce strong and deep bass accurately. The performance is ensured by DD Audio's advanced cooling technologies, which efficiently dissipate heat to provide consistent and even audio playback.

What special features does the Power Tuned 818F have regarding cooling?

The Power Tuned 818F from DD Audio is equipped with innovative cooling technologies that maximize its performance. The main components of the cooling measures are the ventilated aluminum voice coil former and the ribbed aluminum heat sink. These components work together to enable optimal heat dissipation. This is particularly important during high power conversion, as it protects the subwoofer from overheating and ensures consistently high sound quality. The groundbreaking design minimizes the risk of thermal distortion, improving the efficiency and longevity of the subwoofer.

What role does the surround play in the Power Tuned 818F?

The surround of the Power Tuned 818F is crucial for the high excursion that the subwoofer offers. A stronger surround made of high-quality material allows for longer travel distances and thus deeper bass without compromising structure or sound. This construction helps ensure that the 818F delivers consistently good bass performance at both low and high volumes. Overall, the surround maximizes the freedom of movement while maintaining excellent control over the woofer, resulting in a more dynamic and precise playback.

What Thiele-Small parameters characterize the Power Tuned 818F?

The Thiele-Small parameters of the Power Tuned 818F emphasize its powerful bass reproduction. The resonance frequency (Fs) is 27 Hz, allowing for deep bass. The mechanical quality factor (Qms) is 7.049, while the electrical quality factor (Qes) is 0.8896, resulting in a total quality factor (Qts) of 0.7899. These parameters help define the expected sound performance in different enclosures and applications. Particularly, the combination of low resonance frequency and the optimally tuned Qts makes the 818F ideal for applications that require impactful and clear bass notes.

What is the diameter of the diaphragm in the Power Tuned 818F?

The diaphragm diameter of the Power Tuned 818F is 40.005 cm. This size significantly contributes to generating deep, powerful bass, as a larger diaphragm diameter can move more air volume. Combined with high excursion and a strong surround, the large diaphragm diameter allows the 818F to deliver dynamic and powerful bass reproduction, even in demanding audiophile applications. Especially if you enjoy listening to music loudly or are seeking intense home theater experiences, the 818F with its wide diaphragm diameter provides exactly the bass pressure and sound fullness you need.

How does the design of the Power Tuned 818F affect performance?

The design of the Power Tuned 818F is not only aesthetically pleasing but also functionally optimized for performance. The engraved DD logos and modern rubber surround design give it an elegant look. But it's not just about appearance: the ribbed aluminum structure supports cooling, while the reinforced surround and aluminum voice coil insert enhance mechanical durability and precision. This ensures consistent bass reproduction and resilience against the stresses that can occur at high power, maintaining sound quality even under demanding conditions.

What are the dimensions and how do they affect the application of the Power Tuned 818F?

The dimensions of the Power Tuned 818F include an outer frame diameter of 46.355 cm and a mounting depth of 31.75 cm. These dimensions allow for flexible integration into various enclosure designs, whether in vehicles or home theater systems. The adjustable impedance options of D1 and D2 provide additional flexibility in configuring audio systems to achieve the best performance. The mounting depth of just over 31 cm should be considered when planning enclosures or integrating into existing systems to ensure proper and secure mounting.

What is the compliance volume value (Vas) of the Power Tuned 818F?

The compliance volume value (Vas) of the Power Tuned 818F is 155.3 liters. This value is crucial for calculating the optimal enclosure volume necessary for significant bass reproduction. A higher Vas value may indicate that larger enclosures are required to achieve the best performance, especially at low frequencies. This parameter helps define the resonance characteristics of the Subwoofer and achieve optimal results in bass reflex designs. For the best results, you should consider this technical aspect in your enclosure planning.

What enclosure volumes are suitable for the Power Tuned 818F?

For the Power Tuned 818F Subwoofer, bass reflex enclosures with a volume range of 141.584 to 198.218 liters are recommended. This wide range allows for building enclosures that are either tuned for maximum sound pressure or optimized frequency responses. The choice of enclosure volume should also take into account the expected space usage of the Subwoofer, depending on whether it is used in a vehicle or a stationary home theater system. The exact dimensions of the enclosure can significantly influence the bass character, from deep and powerful to clear and defined, depending on the user's specific requirements.

What Xmax value does the Power Tuned 818F Subwoofer achieve?

The Power Tuned 818F Subwoofer achieves an Xmax value of 31 millimeters. This means that the Subwoofer has an exceptionally wide excursion range, contributing to its impressive bass performance. A higher Xmax allows the Subwoofer to produce longer air movements, resulting in deeper and more powerful bass. The Xmax value plays a central role in maintaining accurate sound fidelity at high volumes without distortion. This ensures that the reproduction of dynamic musical passages or cinematic sound effects is pleasant and undistorted.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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