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DD Audio

Power Tuned 818F

18" (46cm) Subwoofer

1 Review

999,00€
999,00€ 999,00€
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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.
Impedance: D1 (2x1 Ohm)
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brand: DD Audio
Delivery time:
Available, in 5-10 days with you
Number:
Piece
Watt RMS:
2500
Subwoofer Type:
ferrite
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DD Audio-Power Tuned 818F-18" (46cm) Subwoofer-masori-kaufen
999,00€
999,00€ 999,00€

The Power Tuned 818F sets standards in the world of subwoofers. This 18" 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 stands for guaranteed 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 notable features include the higher excursion, made possible by a stronger surround and a voice coil with a longer winding length, and the elegant design with engraved DD logos and a novel rubber boot design on the motor.

Technical Data

  • 18" (46cm) Subwoofer
  • Watt RMS: 2500
  • Watt peak power: 7500
  • Impedance: D1 / D2
  • VCD (cm): 10.16
  • Piston 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-AD (cm): 46.355
  • Frame-AD with seal (cm): 46.99
  • Installation diameter (cm): 41.6941
  • Installation depth (cm): 31.75
  • Motor diameter (cm): 24.003
  • Motor depth (cm): 14.732
  • Bass reflex enclosure (l): 141.584 - 198.218
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

Customer Reviews

Based on 1 review
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D
David Karlsböck
Perfect!

Ein absolutes Monster!!!

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Product Specifications

Manufacturer

DD Audio

Product type

18" (46cm) subwoofer

Features

  • 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.

  • Uvp

    999

weight

18.6 kg

Watt RMS Load Capacity

2500

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Your advantages with Masori

Power Tuned 818F by DD Audio: High-intensity 18 subwoofer

The Power Tuned 818F, one of DD Audio's best 18 subwoofers, is worth a closer look. You can buy this subwoofer online at Masori with a lowest price guarantee. The subwoofer offers an impressive RMS power of 2500 watts and a peak power of 7500 watts, making it a powerhouse on the market. With a D1/D2 impedance option, it allows for flexible connection options. Its advanced thermal cooling technology ensures efficient conversion of the high power into clear sound. These features, combined with an innovative design with elegant details, make the 818F a worthwhile investment in high-end car hi-fi.

Advanced thermal cooling: aluminum voice coil insert

The vented aluminum voice coil insert of the Power Tuned 818F is an innovative feature from DD Audio. This precision cooling technology maximizes heat dissipation, keeping the sound undistorted even at high volumes. Less efficient cooling would result in sound distortion and a shorter lifespan. The thermal design also significantly increases the lifespan of the subwoofer by drastically reducing heat generation. Comparisons with standard models show that this insert excels at maintaining a stable soundstage.

High excursion value: Maximum flexibility of the subwoofer

The Power Tuned 818F impresses with an enormous mechanical excursion, or Xmech, of 100 mm. This means the cone can perform large movements without leaving its frame. A higher Xmech allows for more intense bass reproduction and minimizes the risk of mechanical damage. The subwoofer is optimally designed for low-frequency reproduction, making it ideal for bass-heavy music styles. Compared to other models with lower Xmech values, the 818F performs excellently at intense bass frequencies.

Engraved DD logos and innovative design: Optics of the Power Tuned 818F

The Power Tuned 818F impresses not only sonically but also visually with its engraved DD logos and innovative rubber boot design. These aesthetic elements underscore the subwoofer's premium quality. They set the 818F apart from purely functional but less attractively designed models. A subwoofer styled in this way attracts attention and also visually demonstrates the level at which DD Audio operates.

Resonance frequency and Thiele-Small parameters of perfection

The resonant frequency (Fs) of the 818F is 27 Hz, enabling excellent bass reproduction. Combined with Thiele-Small parameters such as Qms of 7.049, Qes of 0.8896, and Qts of 0.7899, this results in high sonic accuracy in bass reproduction. Comparable values ​​demonstrate that these parameters are designed for high quality and accuracy in bass reproduction. A higher or lower resonant frequency could lead to under- or overemphasis of certain frequencies, which could impair clarity.

Extended voice coil winding length for long-lasting operation

The longer winding length of the voice coil of the Power Tuned 818F is critical to the subwoofer's performance and longevity. It not only allows for better handling of high power processing but also allows for the realization of high Xmax values. The 31 mm Xmax value ensures deep, precise bass reproduction while avoiding mechanical stress. Comparable products with shorter winding lengths may not be able to withstand these sustained loads.

Ventilated aluminum heatsink maximizes heat dissipation

The subwoofer's ventilated, finned aluminum heat sink optimizes cooling and protects the voice coil from overheating. This enables sustained power delivery, which is essential for continuous use. Without this technical advantage, subwoofers tend to overheat more quickly at high volumes. The result is an extended service life and consistently high sound comfort where conventional systems might be overwhelmed.

Assembly and installation: Perfect tuning in the bass reflex enclosure

The dimensions of the Power Tuned 818F are precisely tuned for installation in a bass reflex enclosure between 141,584 and 198,218 liters. This guarantees optimal sound dispersion in vehicles. The installation diameter of 41,694 cm allows for a precise fit and facilitates integration into the vehicle interior. Larger bass reflex enclosures tend to offer more voluminous bass, but this does not always match the precision of the DD Audio subwoofer. Rely on Masori's excellent support for a smooth purchase process: on-site installation in Frankfurt (Oder) , expert support FAQ & help and always stay informed with the Audio Blog .