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Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy
Dayton Audio-Reference RS225-8" (20cm) woofer-masori-buy

Dayton Audio Reference RS225

8" (20cm) bass-midrange driver

  • 8 Ohm impedance, 80 Watt RMS, black anodized cone
  • High-quality motor, two short-circuit paths, low inductance
  • Perfect for MTM pairs, center speakers, high durability
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Discover the Reference RS225, an 8" (20cm) mid-bass driver from Dayton Audio renowned for its outstanding performance and quality. Part of the renowned Dayton Audio Reference Series, this mid-bass driver offers powerful 4 and 8 ohm impedance options and sets new standards for high performance speaker drivers. Featuring a black anodized cone, a robust 6-hole cast frame, a low-loss rubber surround and a solid aluminum phase port, the RS225 offers exceptional performance and durability. Its quality and design make it the perfect choice for serial pairs in MTM as well as for center speakers.


Highlights

  • 4 Ohm and 8 Ohm impedance are perfect for serial pairs in MTMs and center speakers
  • Outstanding car audio midrange/woofer
  • High-quality, low-distortion motor with two short-circuit paths to reduce inductance
  • Developed and manufactured in the USA

The Dayton Audio Reference Series sets new standards in high performance speaker drivers. Utilizing a low distortion motor system with dual shorting paths and a rigid aluminum cone, the Reference Series outperforms drivers costing many times its price. The low distortion characteristics and high excursion provide exceptional clarity, detail and dynamics. The woofer has a black anodized cone, a heavy-duty 6-hole cast frame, a low-loss rubber surround and a solid aluminum phase connector.

Features of the RS225-4

  • 8" (20cm) bass-midrange driver
  • Load capacity: 80 Watt RMS
  • Max. load capacity: 160 watts
  • Impedance (Z) : 4 Ohm
  • Sensitivity: 91 dB @ 2,83V/1m
  • Frequency response: 35 - 2.300 Hz
  • Voice coil diameter: 38 mm
  • DC resistance (Re) : 3,2 Ohm
  • Voice coil induction (Le) : 0,49 mH @ 1 kHz
  • Resonant frequency (Fs) : 33 Hz
  • Mechanical quality class (Qms) : 2.02
  • Electrical quality class (Qes) : 0.52
  • Overall quality (Qts) : 0.41
  • Moving mass (mms) : 32.2g
  • Compliance of the suspension (Cms) : 0,72 mm/N
  • Membrane surface area (Sd) : 213.8 cm²
  • Displacement volume (Vd) : 128,2 cm³
  • Force factor (BL) : 6.38 tm
  • Equivalent volume (Vas) : 46,4 Liter
  • Maximum deflection (Xmax) : 6.0 mm
  • Material cone / membrane: Black anodized aluminium cone
  • Bead material: Rubber
  • Voice coil wire material: copper
  • Material of the voice coil former: aluminum
  • Basket/frame material: cast aluminum
  • Magnetic material: Ferrites
  • Outer diameter: 223 mm
  • Total depth: 92 mm
  • Diameter of the cut-out: 184 mm
  • Mounting holes: 6
  • Closed volume: 14.15 liters
  • Closed F3: 70 Hz
  • Bass reflex volume: 45.87 liters
  • Bass reflex F3: 36 Hz

Features of the RS225-8

  • 8" (20cm) bass-midrange driver
  • Load capacity: 80 Watt RMS
  • Max. load capacity: 160 watts
  • Impedance (Z) : 8 Ohm
  • Sensitivity: 86,8 dB @ 2,83V/1m
  • Frequency response: 28 - 2.400 Hz
  • Voice coil diameter: 38 mm
  • DC resistance (Re) : 6,5 Ohm
  • Voice coil induction (Le) : 0,86 mH @ 1 kHz
  • Resonant frequency (Fs) : 28,3 Hz
  • Mechanical quality class (Qms) : 1.46
  • Electrical quality class (Qes) : 0.51
  • Overall quality (Qts) : 0.38
  • Moving mass (mms) : 35.8g
  • Compliance of the suspension (Cms) : 0,88 mm/N
  • Membrane surface area (Sd) : 213.8 cm²
  • Displacement volume (Vd) : 149,7 cm³
  • Force factor (BL) : 9.05 tm
  • Equivalent volume (Vas) : 56,8 Liter
  • Maximum deflection (Xmax) : 7.0 mm
  • Material cone / membrane: Black anodized aluminium cone
  • Bead material: Rubber
  • Voice coil wire material: copper
  • Material of the voice coil former: aluminum
  • Basket/frame material: cast aluminum
  • Magnetic material: Ferrites
  • Outer diameter: 223 mm
  • Total depth: 89 mm
  • Diameter of the cut-out: 184 mm
  • Mounting holes: 6
  • Closed volume: 12.45 liters
  • Closed F3: 66 Hz
  • Bass reflex volume:33.13 liters
  • Bass reflex F3: 38 Hz

    Frequently asked questions about the Reference RS225

    What impedance options does the Dayton Audio Reference RS225 offer and what effect do they have on performance?

    Expert Image

    Rob

    The Dayton Audio Reference RS225 speaker offers two impedance options: 4 Ohm and 8 Ohm. The 4-ohm version has a sensitivity of 91 dB at 2.83 V/1 m and is ideal for parallel applications in MTM configurations and center speakers. In contrast, the 8-ohm version offers a sensitivity of 86.8 dB at 2.83 V/1 m, making it ideal for serial speaker connections. Both versions are characterized by a high power handling capacity of 80 watts RMS and a maximum power handling capacity of 160 watts. The impedance influences the current consumption of the loudspeaker and therefore its performance. In combination with a suitable amplifier, the right impedance can optimize speaker performance, resulting in a clearer and more dynamic sound.

    What materials are used for the diaphragm and frame of the Reference RS225?

    Expert Image

    Rob

    The Dayton Audio Reference RS225 uses a black anodized aluminium cone that is known for its strength and lightness. This combination of materials contributes to low distortion reproduction of music, even at high volumes. The speaker's cast frame is made of aluminum, which provides additional stability and reduces resonance. This choice of material ensures that the speaker delivers consistent performance even in demanding acoustic environments. The use of aluminum also facilitates heat dissipation from the voice coils, which in turn enhances the longevity of the speaker. Together, these features ensure that the Reference RS225 delivers outstanding sonic performance in both home and car audio systems.

    Which frequency ranges are covered by the Reference RS225?

    Expert Image

    Rob

    The frequency coverage of the Dayton Audio Reference RS225 varies depending on the model. The 4-ohm driver covers a range from 35 Hz to 2,300 Hz, while the 8-ohm model operates between 28 Hz and 2,400 Hz. This diverse frequency bandwidth allows it to be used as both a midrange driver and a woofer, especially in home theater systems where a seamless transition from high to low frequencies is required. These specifications make the RS225 ideal for delivering a detailed and room-filling sound that is perfect for both music lovers and movie enthusiasts. Its bandwidth allows it to be used in a wide variety of audio applications, making it easy to integrate into existing systems.

    What are the special features of the Dayton Audio RS225 motor?

    Expert Image

    Rob

    The Dayton Audio Reference RS225 features a high-quality, low-distortion motor equipped with two short-circuit paths to reduce inductance. This motor design significantly minimizes distortion and contributes to a clean and precise sound reproduction. The use of ferrite as a magnetic material increases the energy efficiency of the motor, resulting in increased power consumption. Such an advanced motor design allows this speaker to accurately process frequencies and bring out sonic details that are often lost in conventional speakers. In addition, the motor concept provides increased excursion, which expands the dynamic range and thus enables a more powerful and differentiated sound.

    How do the Thiele Small parameters influence the sound of the Reference RS225?

    Expert Image

    Rob

    The Thiele Small parameters of the Dayton Audio Reference RS225, such as mechanical quality class (Qms), electrical quality class (Qes), overall quality (Qts), and resonant frequency (Fs), play a crucial role in determining the sonic performance of the loudspeaker. For example, the 4-ohm version of the RS225 has a Qts of 0.41 and an Fs of 33 Hz, while the 8-ohm version has a Qts of 0.38 and an Fs of 28.3 Hz. These parameters influence the bass response and efficiency of the speaker. A low value of Qts usually means that the speaker is well suited for closed cabinets, resulting in a tighter bass response. These specific parameters help to optimally integrate the speaker into an enclosure in order to achieve the desired sound characteristics.

    How do I install the Dayton Audio RS225 correctly in a speaker cabinet?

    Expert Image

    Rob

    For the correct installation of the Dayton Audio RS225 in a speaker cabinet, it is important to pay careful attention to the dimensions. The outer diameter is 223 mm, the diameter of the cut-out is 184 mm, and the total depth is 92 mm (4 Ohm) or 89 mm (8 Ohm). The housing holes must be able to accommodate a distance of the six mounting holes. It is advisable to carry out a suitable cabinet volume calculation. For the 4-ohm model, a closed cabinet volume of approximately 14.15 liters is recommended, while the 8-ohm model requires a volume of 12.45 liters. This maximizes the acoustic performance of the speaker in the appropriate cabinet configurations and ensures an aesthetically accurate reproduction of sound material.

    What is the power handling capacity of the Dayton Audio Reference RS225 and how does it affect the sound quality?

    Expert Image

    Rob

    The Dayton Audio Reference RS225 offers a power handling capacity of 80 watts RMS and a maximum power handling capacity of 160 watts. These performance capabilities enable the speaker to produce clear and distortion-free sounds even at high volumes. The high power handling ensures that the RS225 is capable of reproducing demanding music passages with high dynamic ranges without clipping or overloading. Such performance is particularly advantageous in multi-speaker setups such as home theater systems, as the speaker can reproduce complex audio content with a balanced sound. This ensures an impressive cinematic atmosphere with detailed, room-filling sound.

    Is the Dayton Audio RS225 compatible with my vehicle and how is it installed?

    Expert Image

    Rob

    The compatibility of the Dayton Audio RS225 with vehicles depends primarily on the space available and the specific installation requirements of the vehicle. With an outer diameter of 223 mm and an installation depth of 92 mm (4 Ohm) or 89 mm (8 Ohm), it is designed for most larger speaker cut-outs. For vehicle installations, an enclosure or an adapted baffle is recommended for optimum results. If standard doors or dashboards do not offer enough space, it may be necessary to build special installation enclosures. Compare the dimensions of the RS225 with the dimensions of your vehicle to ensure a good fit. Proper installation will maximize speaker performance and sound quality in your vehicle.

    What advantages does the aluminum phase connection of the RS225 offer?

    Expert Image

    Rob

    The solid aluminum phase port of the Dayton Audio Reference RS225 offers a variety of acoustic advantages. Primarily, it reduces mechanical distortions that typically occur at high excursions by minimizing phase anomalies in the sound reproduction. This leads to improved sound clarity and a more homogeneous sound dispersion. The phase connection helps to optimize the temperature control of the voice coil, which reduces the thermal load and leads to a longer service life of the loudspeaker. The aluminum construction also offers the advantage of increased stability, which has a positive effect on the dynamic frequency range, especially at low frequencies, where bass notes are reproduced more clearly and powerfully.

    What is the resonant frequency of the RS225 and why is it important?

    Expert Image

    Rob

    The resonance frequency (Fs) is a decisive parameter of the Dayton Audio Reference RS225. It is 33 Hz for the 4-ohm model and 28.3 Hz for the 8-ohm model. This frequency indicates the point at which the speaker begins to resonate spontaneously and works most efficiently. A low resonance frequency, as with the RS225, favors a deep bass response and ensures that the speaker is capable of reproducing authentic and powerful bass notes. Precise tuning of the speaker in the enclosure is crucial to make the most of this resonant frequency, resulting in clean and accurate sound reproduction, especially in applications where low frequencies are required, such as home theater or music systems.

    Customer Reviews

    Based on 1 review
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    U
    Ulf E.

    Geat. I had the same loudspeaker but the paper version before and it cracked after about 5 to 7 years. Hope this will last longer.

    Frequently asked questions and answers

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    Manufacturer information/responsible person

    Audio Components B.V.
    Koen Pronk, Martijn Ouwerkerk
    Peizerweg 97a
    9727AJ Groningen
    The Netherlands


    Contact: [email protected]

    I still have questions. How can I contact support?

    Reference RS225 von Dayton Audio: Leistungsstarker 8 (20cm) Tiefmitteltöner online günstig kaufen

    Der Reference RS225 von Dayton Audio, ein 8 (20cm) Tiefmitteltöner, ist speziell für Audioexperten entwickelt, die auf der Suche nach einer herausragenden Performance in ihren Systemen sind. Mit 4 und 8 Ohm Impedanzoptionen bietet dieser Lautsprecher Flexibilität in der Anwendung und ist eine hervorragende Wahl für serielle Paare bei MTM- und Center-Lautsprechern. Die Masori Tiefstpreis-Garantie sichert Dir das beste Angebot für diesen außergewöhnlichen Treiber. Seine Merkmale wie eine RMS-Belastbarkeit von 80 Watt und eine maximale Belastbarkeit von 160 Watt machen ihn zu einem Hochleistungskandidaten für anspruchsvolle Audio-Projekte. Die Nutzung eines verzerrungsarmen Motorsystems mit zwei Kurzschlusspfaden setzt neue Maßstäbe bei der Induktivitätsreduktion, während die schwarz eloxierte Membran nicht nur optisch, sondern auch akustisch entscheidende Vorteile bringt.

    Dayton Audio Reference RS225: Different impedance options for flexible applications

    Der Reference RS225 von Dayton Audio bietet entweder 4 Ohm oder 8 Ohm als Impedanzoption, was unterschiedliche Installationsmöglichkeiten im Car-HiFi-Bereich ermöglicht. Eine 4-Ohm-Ausführung mit einem Empfindlichkeitswert von 91 dB @ 2,83V/1m eignet sich besonders für Anwendungen, bei denen Lautstärke und Dynamik im Vordergrund stehen. Die 8-Ohm-Version hingegen bietet mit 86,8 dB @ 2,83V/1m ein ausgewogenes Verhältnis, ideal für anspruchsvolle Audioinstallationen, bei denen Präzision und Klarheit gewünscht sind. Die Entscheidung zwischen diesen Optionen sollte auf der gewünschten akustischen Performance und den elektrischen Gegebenheiten des vorhandenen Verstärkers basieren. Durch seine Vielseitigkeit kann der RS225 in unterschiedlichen Lautsprechersystemen integriert werden, was ihn zu einem unverzichtbaren Bestandteil jeder hochwertigen Audiokonfiguration macht.

    Frequency response and diaphragm area of the RS225: Technical details for car audio projects

    Der 8 (20cm) Tiefmitteltöner RS225 bietet einen ausgezeichneten Frequenzgang von 35 Hz bis 2.300 Hz in der 4-Ohm-Version und von 28 Hz bis 2.400 Hz in der 8-Ohm-Variante. Diese Reichweite erlaubt eine tiefe und präzise Wiedergabe von Bass- und Mitteltönen, ideal für Car Audio Systeme, die Vollspektrumklang liefern sollen. Mit einer Membranfläche von 213,8 cm² bietet der RS225 eine beachtliche Geräuschentwicklung und Klarheit, um selbst anspruchsvollste Audioinhalte detailgetreu abzubilden. Die Membran besteht aus schwarz eloxiertem Aluminium, was nicht nur Stabilität garantiert, sondern auch zur Vermeidung unerwünschter Verzerrungen beiträgt. Diese technischen Details machen den RS225 zu einer erstklassigen Wahl für jedes Car Audio Projekt, das hohe Anforderungen an die Klangqualität stellt.

    RS225 voice coil: Sophisticated design for superior performance

    The voice coil of the RS225 has a diameter of 38 mm and is made of high-quality copper. This material is known for its excellent conductivity and heat dissipation, which increases the efficiency and durability of the loudspeaker. The voice coil inductance is 0.49 mH at 1 kHz (4 Ohm) or 0.86 mH (8 Ohm), which ensures precise control of the sound signals. The choice of aluminum as the voice coil forming material helps to reduce the overall mass of the moving parts and allows for a higher speed of cone movement. A higher or lower inductance would affect the driver's sensitivity to higher frequencies, with a higher inductance potentially leading to coloration in the upper mid-frequency range.

    Low-loss rubber surround and aluminum phase connection: focus on quality and innovation

    Der Dayton Audio Reference RS225 ist mit einer verlustarmen Gummisicke ausgestattet, die die Flexibilität und Langlebigkeit des Lautsprechers erhöht. Dieses Sickenmaterial minimiert Energieverluste und gewährleistet gleichzeitig die Stabilität der Membranbewegungen. Der massive Aluminium-Phasenanschluss verbessert die akustische Leistung durch Reduzierung von Phasenauslöschungen und verbessert die Schallabstrahlung für eine gleichmäßigere Frequenzantwort. Diese Kombination von Materialien und Design führt zu dem charakteristischen klaren und kraftvollen Klang des RS225, der für eine Vielzahl von Audioanwendungen geeignet ist. Im Vergleich zu herkömmlichen Materialien bieten diese technischen Merkmale eine höhere Präzision und Zuverlässigkeit über die gesamte Betriebsdauer.

    Resonant frequency and maximum excursion of the RS225: precision meets control

    The resonance frequency of the RS225 is 33 Hz (4 Ohm) and 28.3 Hz (8 Ohm). These low Fs values enable the speaker to reproduce extended bass frequencies with minimal reverberation. The maximum excursion (Xmax) of 6.0 mm (4 ohms) and 7.0 mm (8 ohms) represents the maximum ability of the cone to vibrate without mechanical distortion. A lower value of maximum excursion could limit the dynamics in the lower frequency range, while a higher excursion could cause distortion due to uncontrolled cone movement. The RS225 perfectly balances these aspects to provide optimum bass performance.

    Mounting and installation details of the RS225 from Dayton Audio

    Der RS225 hat einen Außendurchmesser von 223 mm und eine Gesamttiefe von 89 mm (8 Ohm) bzw. 92 mm (4 Ohm). Diese Dimensionen, kombiniert mit einem Ausschnittdurchmesser von 184 mm und sechs Befestigungslöchern, erleichtern den Einbau in eine Vielzahl von Boxdesigns und Anwendungen. Die Aluminiumgusskonstruktion des Korbes bietet Robustheit und optimale Resonanzeigenschaften, sodass der Lautsprecher selbst anspruchsvolle Audioanforderungen problemlos bewältigen kann. Durch die präzise Dimensionierung bietet der RS225 Flexibilität bei der Integration in bestehende Audiosetups und gewährleistet gleichzeitig die strukturelle Integrität des gesamten Lautsprechersystems.

    Thiele-Small Parameters (TSP) of the RS225: Analysis and comparison

    Die TSPs spielen eine wesentliche Rolle bei der Bestimmung der akustischen Eigenschaften des Lautsprechers. Der RS225 zeigt eine mechanische Güte (Qms) von 2,02 (4 Ohm) und 1,46 (8 Ohm), kombiniert mit einer elektrischen Güte (Qes) von 0,52 (4 Ohm) bzw. 0,51 (8 Ohm). Diese Werte führen zu einer Gesamtqualität (Qts) von 0,41 (4 Ohm) und 0,38 (8 Ohm), was auf einen Lautsprecher hinweist, der sowohl in geschlossenen als auch in Bassreflexgehäusen effektiv arbeiten kann. Ein höherer Qts-Wert würde mehr Effizienz bei niedrigeren Frequenzen unterstützen, während ein niedrigerer Qts-Wert eine stärkere Mitteltonabdeckung ermöglichen würde. Der Reference RS225 bietet den perfekten Kompromiss, ideal für Anwendungen, die eine volle Basswiedergabe erfordern.

    High-quality materials and construction of the Reference RS225 from Dayton Audio

    Der RS225 nutzt eine schwarz eloxierte Aluminium-Membran, ein robustes Aluminiumgussrahmenmaterial und Ferritmagnete, um die allgemeine Leistungsfähigkeit des Lautsprechers zu maximieren. Das Gewicht der bewegten Masse beträgt 32,2 g (4 Ohm) und 35,8 g (8 Ohm), was die Reaktionszeit und die Transparenz des Tiefmitteltöners erhöht. Der RS225 ist für hohe Leistungsanforderungen konzipiert und verbindet technologische Innovation mit bewährten Materialien, was zu überlegener akustischer Qualität führt. Das leistungsoptimierte Design unterstreicht Dayton Audios Engagement für Produkte, die sowohl akustisch als auch mechanisch Maßstäbe setzen und in diversen Car Audio Setups glänzen. Durch diese umfassenden technischen Merkmale und die Unterstützung durch den Einbau vor Ort in Frankfurt (Oder), Expertensupport FAQ & Hilfe oder den Audio Blog ist der RS225 von Dayton Audio zu einem hervorragenden Partner für Dein nächstes Car Audio Projekt geworden.