DD Audio Power Tuned 818F 18" (46cm) Subwoofer

  • 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.
  • Mehr technische Details
Normal price €999,00
Normal price €999,00 Selling price €999,00
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Impedance: D1 (2x1 Ohm)
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Power Tuned 818F by DD Audio

The Power Tuned 818F sets standards in the world of subwoofers. This 18-inch subwoofer is a premium product from DD Audio, the renowned manufacturer of audio equipment. With its advanced thermal cooling technology, which masters even the strongest conversion of raw power into clean sound, the 818F guarantees durability. The 800 series is already known for its high efficiency, but the 818F takes it a step further with precision-engineered cooling enhancements and groundbreaking design. The combination of a ventilated aluminum voice coil former and a ventilated, ribbed aluminum heat sink ensures optimal heat dissipation. Other distinctive features include the higher excursion enabled by a stronger surround and a voice coil with a longer winding length, as well as the elegant design with engraved DD logos and an innovative rubber boot design on the motor.

Technical Specifications

  • 18-inch subwoofer
  • Watt RMS: 2500
  • Watt peak power: 7500
  • Impedance: D1 / D2
  • VCD (cm): 10.16
  • Voice coil diameter (cm): 40.005
  • Fs (Hz): 27
  • Qms: 7.049
  • Qes: 0.8896
  • Qts: 0.7899
  • Vas (l): 155.3
  • Xmech (MM): 100
  • Xmax (MM): 31
  • Frame OD (cm): 46.355
  • Frame OD with gasket (cm): 46.99
  • Mounting diameter (cm): 41.6941
  • Mounting depth (cm): 31.75
  • Motor diameter (cm): 24.003
  • Motor depth (cm): 14.732
  • Bass reflex enclosure (l): 141.584 - 198.218

Frequent questions about Power Tuned 818F


Wie hoch ist die Nennleistung des Power Tuned 818F Subwoofers?

The Power Tuned 818F subwoofer features an impressive rated power of 2500 watts RMS. This power ensures a powerful and clear bass that sounds excellent even under heavy load. Thanks to the carefully designed voice coil, peak performances 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 guarantee smooth and consistent audio playback.

Welche besonderen Features hat der Power Tuned 818F im Bezug auf Kühlung?

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.

Welche Rolle spielt die Sicke beim 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 the 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 reproduction.

Welche Thiele-Small-Parameter kennzeichnen den Power Tuned 818F?

The Thiele-Small parameters of the Power Tuned 818F emphasize its powerful bass reproduction. The resonance frequency value (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 punchy and clear bass notes.

Wie groß ist der Durchmesser des Kolbens beim Power Tuned 818F?

The piston diameter of the Power Tuned 818F is 40.005 cm. This size significantly contributes to the generation of deep, powerful bass, as a larger piston diameter can move more air volume. In conjunction with the high excursion and strong surround, the large piston 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 looking for intense home theater experiences, the 818F with its wide piston diameter provides exactly the bass pressure and sound fullness you need.

Wie wirkt sich das Design des Power Tuned 818F auf die Performance aus?

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

Was sind die Abmessungen und wie beeinflussen sie die Anwendung des 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. In particular, 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.

Wie groß ist der Admittanzvolumenwert (Vas) des 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.

Welche Gehäusevolumen passen zum 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 the construction of enclosures that are either tuned for maximum sound pressure or optimized frequency responses. The choice of enclosure volume should also consider the expected use 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 specific requirements of the user.

Welchen Xmax-Wert erreicht der Power Tuned 818F Subwoofer?

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.

Herstellerinformation/verantwortliche Person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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