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Dayton Audio Reference RSS390HO-4 15" (38cm) Subwoofer

Dayton Audio Reference RSS390HO-4 15" (38cm) Subwoofer

Technical Highlights

  • 800 watts RMS power, 4 ohms impedance, 92.8 dB sensitivity.
  • Frequency response from 21-600 Hz, resonance frequency at 21.5 Hz.
  • Moving mass: 319 g, cast aluminum frame, 15" subwoofer.
  • More technical details
Normal price €389,00
Normal price €389,00 Selling price €389,00
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Reference RSS390HO-4 by Dayton Audio

The Dayton Audio RSS390HO-4 is a powerful 15-inch subwoofer from the renowned Reference series. This Dayton Audio model features a 4-ohm voice coil that delivers impressive, low-distortion bass performance for various applications. Specifically designed for home theater or car audio speaker applications and compact home audio installations, this subwoofer offers solid and tight bass output. With a vented motor for quiet excursion, an extra-thick, black anodized aluminum cone for maximum stiffness, and optimized parameters for small enclosures, the RSS390HO-4 sets standards in subwoofer performance. Convincing performance data and high-quality materials ensure long-lasting and reliable operation.

Highlights

  • Generously vented motor eliminates compression and allows quiet excursion
  • Extra-thick, black anodized aluminum cone for maximum stiffness
  • Triple shorting ring motor for extremely low distortion
  • 4-layer voice coil for high power handling
  • Optimized parameters for small enclosures
  • Consistently high-quality materials for durable performance

Specifications

  • 15-inch subwoofer
  • Power handling: 800 Watts RMS
  • Max power handling: 1600 Watts
  • Impedance (Z): 4 Ohms
  • Sensitivity: 92.8 dB @ 2.83V/1m
  • Frequency response: 21 - 600 Hz
  • Voice coil diameter: 64 mm
  • Magnet weight: 150 Oz
  • DC resistance (Re): 3.2 Ohms
  • Voice coil inductance (Le): 1.79mH @ 1 kHz
  • Resonant frequency (Fs): 21.5 Hz
  • Mechanical Q factor (Qms): 3.69
  • Electrical Q factor (Qes): 0.35
  • Total Q factor (Qts): 0.32
  • Moving mass (mms): 319g
  • Suspension compliance (Cms): 0.17 mm/N
  • Cone area (Sd): 829.6 cm²
  • Displacement volume (Vd): 995.5 cm³
  • Force factor (BL): 19.8 Tm
  • Equivalent volume (Vas): 168 liters
  • Maximum excursion (Xmax): 12.0 mm
  • Cone material: Black anodized aluminum cone
  • Surround material: Rubber
  • Voice coil wire material: Copper
  • Voice coil former material: Aluminum
  • Basket/frame material: Die-cast aluminum
  • Magnet material: Ferrite
  • Outer diameter: 388.4 mm
  • Total depth: 178 mm
  • Cutout diameter: 355.8 mm
  • Mounting holes: 8
  • Sealed enclosure volume: 44.74 liters
  • Sealed F3: 50 Hz
  • Ported enclosure volume: 77.1 liters
  • Ported F3: 30 Hz

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Dayton Audio Reference RSS390HO-4 Datasheet

Frequently Asked Questions about Reference RSS390HO-4


What are the performance specifications of the Dayton Audio Reference RSS390HO-4 Subwoofer?

The Dayton Audio Reference RSS390HO-4 Subwoofer impresses with an impressive power handling of 800 Watts RMS and a maximum power of 1600 Watts. The impedance is 4 Ohms, allowing for versatile use in various audio systems. With a sensitivity of 92.8 dB @ 2.83V/1m, the subwoofer offers high efficiency. The frequency range extends from 21 to 600 Hz, ensuring powerful bass both in home theater and in cars. Additionally, the 15-inch diameter provides solid bass perception.

What are the Thiele-Small parameters of the Reference RSS390HO-4?

The Thiele-Small parameters of the Reference RSS390HO-4 are crucial for developing optimized enclosures. The resonance frequency (Fs) is 21.5 Hz, while the mechanical quality factor (Qms) is 3.69. The electrical quality factor (Qes) is specified as 0.35, resulting in a total quality factor (Qts) of 0.32. These values are ideal for achieving maximum bass performance in compact enclosures. The moving mass (Mms) is 319 grams, and the compliance of the suspension (Cms) is 0.17 mm/N.

What materials are used in the Dayton Audio RSS390HO-4?

The Dayton Audio RSS390HO-4 uses high-quality materials to ensure durability and performance. The diaphragm is made of black anodized aluminum, providing maximum stiffness and reducing distortion. The voice coil wire is made of copper and is wound on an aluminum form, ensuring high thermal resistance. The basket is made of aluminum die-cast to provide stability. Magnetic material made of ferrite is used to create a strong, uniform magnetic flux.

How does the vented motor of the RSS390HO-4 affect sound quality?

The ventilated motor of the RSS390HO-4 is an outstanding feature that contributes to improved sound quality. The generous ventilation helps eliminate compression effects and allows for a quiet movement of the diaphragm. This reduces potential distortion and ensures clear, powerful bass. Combined with the triple short-circuit ring motor, which also enables lower distortion, an exceptional bass performance is achieved that impresses in both home theater and vehicle speaker applications.

What are the dimensions of the Dayton Audio Reference RSS390HO-4?

The Reference RSS390HO-4 Subwoofer is designed with an outer diameter of 388.4 mm and an overall depth of 178 mm. The cutout diameter is 355.8 mm, and there are eight mounting holes to facilitate installation. These dimensions are crucial for integrating the subwoofer into existing enclosures or installation situations. Ideally, the enclosure volume for a sealed system should be 44.74 liters or 77.1 liters for a bass reflex system to ensure optimal bass reproduction.

What distinguishes the voice coil of the Dayton Audio RSS390HO-4?

The voice coil of the RSS390HO-4 is built with a diameter of 64 mm and has 4 layers to ensure high load capacity and minimize thermal stress. This robust construction helps the subwoofer deliver powerful bass with low distortion even at high volumes. The voice coil inductance (Le) at 1 kHz is 1.79mH, a feature that contributes to the precision and responsiveness of bass reproduction. The thoughtful choice of materials also promotes the durability and reliable operation of the subwoofer.

How does the diaphragm of the RSS390HO-4 affect bass performance?

The extra thick, black anodized aluminum diaphragm of the RSS390HO-4 ensures maximum stiffness, minimizing unwanted resonances and enabling more precise bass reproduction. This stiffness is crucial for low-distortion bass, even at high volumes. The generously sized displacement volume (Vd) of 995.5 cm³ further contributes to rich bass production. Combined with the stable aluminum die-cast frame, resonance capability is optimized, enhancing the overall acoustic efficiency of the subwoofer.

What tips are there for installing the Dayton Audio RSS390HO-4?

When installing the RSS390HO-4, the exact measurements should be taken into account. The cutout must be 355.8 mm, and the enclosure volume should be chosen based on the system (<44.74 liters sealed or <77.1 liters bass reflex). Make sure to achieve a stable and vibration-free mounting to fully utilize the bass performance. Cable connections should be secure and correctly polarized. The placement of the Subwoofer in the room significantly affects the bass quality; therefore, it is advisable to experiment with positioning to achieve optimal sound.

How does the triple short-circuit ring motor in the RSS390HO-4 work?

The triple short-circuit ring motor of the RSS390HO-4 is a highly advanced technology designed to minimize distortion. This type of motor reduces harmonic and intermodulation distortions by linearizing the magnetic fields in the voice coil gap. This technology ensures that fewer unwanted sound effects occur at high displacements and current flows, resulting in cleaner and clearer bass reproduction. This optimizes the acoustic performance of the Subwoofer at both low and maximum volumes.

Is the Dayton Audio RSS390HO-4 compatible with common car models?

The compatibility of the Dayton Audio RSS390HO-4 largely depends on the specific space conditions in the vehicle. With an outer diameter of 388.4 mm and a mounting depth of 178 mm, it is suitable for larger installation spaces. Careful planning regarding the enclosure volume is important; the recommended volume is 44.74 liters for a sealed and 77.1 liters for a bass reflex system. As long as the vehicle provides the necessary space for the Subwoofer and the appropriate enclosure, it is compatible with many common car models.

Manufacturer information / responsible person

Audio Components BV
Koen Pronk, Martijn Ouwerkerk
Peizerweg 97a
9727AJ Groningen
Netherlands


Contact: info@audio-components.com

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