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  5. Prima APS 8 R

Prima APS 8 R

1 review

250 Watt

Prima APS 8 R

1 review

Technical Highlights

  • Peak power 500W, impedance 4 Ohm, Xmax 8.8mm.
  • Compact design, high performance, low installation depth.
  • Special geometry, optimized cooling, reflex housing.
  • More technical details
€126.65
-15% €149.00 €126.65
2% discount with credit card

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ProductPrima APS 8 R

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datasheet
Audison-Prima APS 8 R-8" (20cm) Subwoofer-masori-kaufen
€126.65
€149.00 €126.65

Audison Prima APS 8 R is an 8-inch (200 mm) Subwoofer with 4 Ohm, 250 W continuous power handling, and 500 W peak power handling. Designed for bass reflex enclosures starting from 8.5 liters with a tuning between 30 and 40 Hz. The special cone dust cap basket geometry allows for high excursion at a low height, supported by venting openings below the spider and a novel cooling circuit. The ultra-flat profile measures 79 mm; the voice coil is 40 mm, Xmax is 8.8 mm, and Xmech is 16.5 mm. The magnet material is High Density Flux Ferrite, and the cone is made of water-repellent, pressed paper; the motor assembly and cone profile are optimized with FEM and Klippel Scan Vibrometer. Includes steel grille and plastic gasket. Designed for bridged operation with Audison AP8.9 bit or AP4.9 bit/AP4 D. Weight is 3.04 kg and dimensions are A 222 mm, B 187 mm, C 94.6 mm, and D 79 mm.

Features
  • 8-inch (20 cm) Subwoofer
  • Impedance 4 Ohm
  • RMS power 250 W
  • Peak power 500 W
  • Size 200 mm
  • Ultra-flat profile 79 mm
  • For bass reflex enclosures starting from 8.5 liters
  • Tuning 30–40 Hz
  • Special cone dust cap basket geometry for high excursion
  • Venting openings on the basket below the spider; central bottom venting is omitted
  • Novel cooling circuit
  • Massive, FEM-optimized motor assembly
  • Water-repellent, pressed paper cone; profile optimized with FEM simulation and Klippel
  • Mounting close to the rear wall of the enclosure is possible
  • Includes steel grille and plastic gasket
  • Combination with Audison AP8.9 bit (2 CH bridged) or AP4.9 bit/AP4 D (2 CH bridged)
Technical Specifications
  • Voice coil Ø 40 mm
  • Magnet material High Density Flux Ferrite
  • Xmax 8.8 mm
  • Xmech 16.5 mm
  • D 173 mm
  • Driver displacement volume 0.67
  • Re 3.7 Ohm
  • Fs 32 Hz
  • Vas 26.5 l
  • Mms 80 g
  • Cms 0.33 mm/N
  • BL 11.5 T·m
  • Qms 5.1
  • Qes 0.43
  • Qts 0.41
  • Le 1.45 mH
  • Sound pressure level 84 dB
  • Weight 3.04 kg
  • Dimension A 222 mm
  • Dimension B 187 mm
  • Dimension C 94.6 mm
  • Dimension D 79 mm

Frequently Asked Questions about Prima APS 8 R

What power does the Audison Prima APS 8 R Subwoofer offer?

The Audison Prima APS 8 R Subwoofer offers a peak power of 500 watts and a continuous power rating of 250 watts. These power specifications allow the APS 8 R to deliver excellent results even in demanding audio applications. The subwoofer features high efficiency in a compact design, making it particularly suitable for use in small vehicles. With an impedance of 4 ohms, it also provides good compatibility with many different amplifier systems. When combined with the recommended Audison amplifiers, such as the AP8.9 bit or the AP4.9 bit, the performance is further maximized.

How is the enclosure tuning of the APS 8 R designed?

The APS 8 R Subwoofer is designed for an 8.5-liter reflex enclosure and offers optimized tuning that ranges between 30 and 40 Hz. This allows the subwoofer to produce deep frequencies with high precision even at low power. With this tuning, the APS 8 R can be installed in various environments without sacrificing performance and sound quality. The design of this subwoofer optimally considers enclosure acoustics, resulting in remarkable bass reproduction. This tuning is particularly advantageous in limited installation environments.

How does the cone-dust cap-basket geometry affect the performance of the Prima APS 8 R?

The specially designed cone-dust cap-basket geometry of the Prima APS 8 R allows for high excursion despite a shallow installation depth. This geometry contributes to clear and powerful bass, as the linear excursion of nearly 9 mm enables the subwoofer to move larger volumes of air. The unique structure leads to improved sound quality, especially at low frequencies, ensuring that the bass remains distortion-free even at high volumes. As a result, the APS 8 R is capable of delivering its full performance even in compact enclosures, making it particularly versatile.

What cooling mechanisms are used in the APS 8 R Subwoofer?

The Audison APS 8 R features an innovative cooling circuit that makes traditional floor ventilation openings obsolete. This technology allows for the installation of the Subwoofer near the back wall of the enclosure, which is advantageous in tight installation environments. This novel cooling mechanism helps to effectively regulate temperature and extends the lifespan of the Subwoofer by preventing overheating. Air circulation occurs through specifically placed ventilation openings on the basket below the spider, ensuring constant cooling even in intense usage scenarios.

What material is used for the cone of the APS 8 R and what are its advantages?

The cone of the APS 8 R is made from water-repellent pressed paper that has been specifically designed to ensure both durability and lightweight. This material combines strength with optimal flexibility, resulting in excellent sound radiation. The water-repellent properties protect the Subwoofer from moisture damage and are ideal for use in various environments, including humid conditions. The pressed paper material also ensures a balanced vibration of the cone, contributing to clearer and more precise sound reproduction.

What are the dimensions of the Audison Prima APS 8 R and what does this mean for installation?

The Audison Prima APS 8 R Subwoofer has a size of 200 mm with specific dimensions: Dimension A is 222 mm, Dimension B is 187 mm, Dimension C is 94.6 mm, and Dimension D is 79 mm. With an ultra-flat profile of only 79 mm in height, the Subwoofer can be flexibly installed in various vehicle types. The compact dimensions allow the APS 8 R to be accommodated even in tight spaces. Due to these measurements, it can be mounted close to the back wall of the enclosure, supported by the special ventilation system. Installation requires a space that matches the exact dimensions to ensure optimal performance.

How does the APS 8 R perform in relation to Thiele-Small parameters and their effects?

The Thiele-Small parameters for the APS 8 R are designed as follows: Qes is 0.43, Qms is 5.1, and Qts is 0.41. These parameters indicate that the Subwoofer is optimized for precise bass reproduction. The low Qts value supports tight bass response, which is particularly advantageous for vehicle installation. The Vas of 26.5 liters and Fs of 32 Hz emphasize that the Subwoofer is designed for use in compact bass reflex enclosures, making it ideal for an 8.5-liter cabinet. Thanks to these parameters, the APS 8 R achieves excellent results with low distortion, even at low frequencies.

Which amplifiers are optimal for operating the Audison APS 8 R?

The Audison APS 8 R Subwoofer reaches its maximum performance when combined with the Audison AP8.9 bit or AP4.9 bit/AP4 D amplifiers in bridged mode. These amplifiers are specifically designed to fully exploit the Subwoofer's capabilities. The optimal compatibility ensures high output power with low distortion, resulting in a clear and powerful sound image. By using these amplifiers, the APS 8 R can unleash its full potential, as the technical specifications are perfectly matched.

What role does FEM optimization play in the APS 8 R Subwoofer?

FEM optimization (Finite Element Modeling) plays a crucial role in the design of the APS 8 R Subwoofer. This process is used to optimize the motor assembly and ensure perfect control even at high displacements. The FEM-simulated cone shape ensures that the cone's vibrations are precisely controlled, leading to clear and undistorted bass reproduction. This technology allows for the adjustment of the Subwoofer's structure to achieve maximum efficiency and performance without compromising sound quality.

What is the SPL value of the Audison Prima APS 8 R and what does it mean for sound quality?

The SPL value (Sound Pressure Level) of the Audison Prima APS 8 R is 84 dB. This value indicates how efficiently the Subwoofer suppresses ambient noise and how loud it plays at a given power. An SPL value of 84 dB is a sign that the APS 8 R is capable of producing powerful bass reproduction with a distinct presence. While this SPL level is not the highest on the market, it still offers a balanced combination of efficiency and sound fullness, ideal for use in vehicles where quality and precision are required.

Manufacturer information/responsible person

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

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