3. Mid-woofers for beginners
  5. Reference RS125T-8

Reference RS125T-8

30 Watt

Reference RS125T-8

Technical Highlights

  • Power: 30 watts RMS, 60 watts maximum, Impedance: 8 ohms.
  • Sensitivity: 86.9 dB @ 2.83 V/1m, Frequency: 75–9,200 Hz.
  • Voice coil diameter: 25 mm, Resonant frequency: 76 Hz.
  • More technical details
€50.15
-15% €59.00 €50.15
2% discount with credit card

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ProductReference RS125T-8

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Estimated delivery: Sep 15–Sep 16.
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datasheet
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Dayton Audio-Reference RS125T-8-5" (13cm) Tiefmitteltöner-masori-kaufen
€50.15
€59.00 €50.15

Dayton Audio Reference RS125T-8 is a 5-inch (13 cm) midbass driver with a truncated cast frame and black anodized aluminum diaphragm. The low-distortion motor design with a copper ring in the magnetic gap and long-stroke suspension is complemented by a rubber surround, aluminum phase plug, aluminum cast frame, ferrite magnet, rubber magnet sleeve, and gold terminals. Power ratings: 30 Watts RMS and 60 Watts maximum at 8 Ohms, sensitivity 86.9 dB at 2.83 V/1 m, frequency response 75–9,200 Hz, voice coil diameter 25 mm. TSP: Fs 76 Hz, Qms 2.62, Qes 0.61, Qts 0.50, mms 5.1 g, Cms 0.87 mm/N, Sd 54.1 cm², Vd 15.1 cm³, BL 5.04 Tm, Vas 3.56 liters, Xmax 2.8 mm. Dimensions: outer diameter 125.5 mm, total depth 55 mm, cutout 94 mm, 4 mounting holes; enclosure recommendations sealed 1.69 liters (F3 136 Hz) or bass reflex 5.1 liters (F3 70 Hz). Designed and manufactured in the U.S.A.

Features
  • 5-inch (13 cm) midbass driver
  • Truncated aluminum cast frame
  • Black anodized aluminum diaphragm
  • Rubber surround
  • Aluminum phase plug
  • Low-distortion motor design
  • Copper ring in the magnetic gap
  • Long-stroke motor and suspension
  • Voice coil wire: copper
  • Voice coil former: aluminum
  • Magnet material: ferrite
  • Rubber magnet sleeve
  • Connection: gold terminals
  • Outer diameter: 125.5 mm
  • Total depth: 55 mm
  • Cutout: 94 mm
  • Mounting holes: 4
  • Color: black anodized
  • Recommended sealed enclosure: 1.69 liters, F3 136 Hz
  • Recommended bass reflex enclosure: 5.1 liters, F3 70 Hz
  • Designed and manufactured in the U.S.A.
Technical Specifications
  • RMS power handling: 30 Watts
  • Max power handling: 60 Watts
  • Impedance: 8 Ohms
  • Sensitivity: 86.9 dB @ 2.83 V/1 m
  • Frequency response: 75–9,200 Hz
  • Voice coil diameter: 25 mm
  • DC resistance Re: 6.4 Ohms
  • Voice coil inductance Le: 0.58 mH @ 1 kHz
  • Resonance frequency Fs: 76 Hz
  • Qms: 2.62
  • Qes: 0.61
  • Qts: 0.50
  • Moving mass mms: 5.1 g
  • Compliance Cms: 0.87 mm/N
  • Diaphragm area Sd: 54.1 cm²
  • Displacement volume Vd: 15.1 cm³
  • Force factor BL: 5.04 Tm
  • Equivalent volume Vas: 3.56 liters
  • Maximum excursion Xmax: 2.8 mm

datasheet

Open data sheet

Frequently Asked Questions about Reference RS125T-8

What power does the Dayton Audio Reference RS125T-8 offer?

The Dayton Audio Reference RS125T-8 offers an RMS power handling of 30 watts and a maximum power handling of 60 watts at an impedance of 8 Ohm. These power parameters allow for efficient energy conversion and are optimally suited for use in sealed or bass reflex enclosures. With a sensitivity of 86.9 dB @ 2.83 V/1 m, the speaker guarantees precise and clear sound reproduction. Especially if you enjoy listening to music at high volumes, the combination of RMS and maximum power handling is significant, as it defines the speaker's limits and thus enables the targeted expression of your music.

What frequency range does the Dayton Audio Reference RS125T-8 cover?

The Dayton Audio Reference RS125T-8 covers a frequency range from 75 to 9,200 Hz, making it ideal for reproducing lower to upper midrange tones. The black anodized aluminum diaphragm and aluminum phase plug contribute to even sound radiation at various frequencies. Additionally, the copper ring in the magnetic gap and the low-distortion motor design enhance precision in the frequency response. This range covers most fundamental and harmonic tones that play a role in instrumental and vocal music, creating a complete sound experience in conjunction with a suitable Tweeter.

What are the Thiele-Small parameters of the Dayton Audio Reference RS125T-8?

The Thiele-Small parameters of the Dayton Audio Reference RS125T-8 include a resonance frequency (Fs) of 76 Hz, a mechanical quality factor (Qms) of 2.62, and an electrical quality factor (Qes) of 0.61. The total quality factor (Qts) is 0.50. With a moving mass (mms) of 5.1 g and a compliance (Cms) of 0.87 mm/N, the speaker shows a good balance between control and efficiency. The force factor (BL) of 5.04 Tm efficiently supports the movement of the diaphragm, while the equivalent volume (Vas) of 3.56 liters allows for flexible enclosure design.

What materials are used in the Dayton Audio Reference RS125T-8?

The Dayton Audio Reference RS125T-8 is made from high-quality materials such as a black anodized aluminum diaphragm, which offers durability and lightness. The phase plug is also made of aluminum, contributing to the cooling of the voice coil. The rubber surround provides the necessary flexibility for diaphragm movement. The aluminum die-cast frame offers stability, while the ferrite magnet delivers powerful magnetic fields. Additional details like the rubber magnet sleeve help reduce unwanted vibrations. Overall, the choice of materials allows for high efficiency, performance, and robustness of the speaker.

What are the dimensions of the Dayton Audio Reference RS125T-8?

The Dayton Audio Reference RS125T-8 has an outer diameter of 125.5 mm and a total depth of 55 mm. The required cutout measures 94 mm in diameter. The speaker is mounted using four mounting points. These precise dimensions allow for flexible adaptation to various installation conditions. This is particularly advantageous in cases of limited space in the enclosure. Based on the dimensions, the speaker can be easily integrated and securely fixed. These dimensions are essential for tuning your audio system in a vehicle or home theater.

What advantages does the beveled die-cast frame of the Dayton Audio Reference RS125T-8 offer?

The beveled die-cast frame of the Dayton Audio Reference RS125T-8 offers several advantages. A key aspect is the reduced front reflection caused by sound break-off at sharp edges. This improves high-frequency radiation and reduces distortion in the sound image. The beveled design also decreases the risk of interference, resulting in more precise sound reproduction. For installation, the mounting options are more versatile due to a die-cast tolerant frame. This aspect is particularly relevant if you value precise installation to ensure both sound quality and stability.

What role does the copper ring play in the magnetic gap of the Dayton Audio Reference RS125T-8?

The copper ring in the magnetic gap of the Dayton Audio Reference RS125T-8 plays a crucial role in minimizing distortion. It linearizes the magnetic field, leading to lower inductance and better impedance control. This results in improved sound quality by reducing unwanted distortions, especially at high volumes. The copper ring also decreases the heat susceptibility of the voice coil, which in turn increases its lifespan. This property is particularly relevant for audio applications that require accurate reproduction fidelity, and it enhances durability during intensive use.

How do I install the Dayton Audio Reference RS125T-8 in my enclosure?

To correctly install the Dayton Audio Reference RS125T-8 in an enclosure, note the outer diameter of 125.5 mm and the cutout of 94 mm. The speaker requires four mounting holes for secure installation. Ensure that the enclosure volume for a sealed design should be 1.69 liters to achieve F3 at 136 Hz. For a bass reflex enclosure, 5.1 liters is recommended with F3 at 70 Hz. These parameters allow for optimal sound dispersion. Such details are crucial to minimize distortion and achieve the best possible audio performance.

How does the rubber surround affect the performance of the Dayton Audio Reference RS125T-8?

The rubber surround of the Dayton Audio Reference RS125T-8 plays a vital role in the mechanical stability and flexibility of the driver. It allows for excellent diaphragm movement and ensures that unwanted resonances are reduced. This elasticity contributes to efficiency, especially in the subwoofer range, where large diaphragm excursions are required. Furthermore, the rubber surround positively impacts the frequency response by increasing impact resistance and damping vibrations. This is crucial when you aim for precise bass and balanced midrange without tonal distortions.

What influence does the voice coil diameter have on the function of the Dayton Audio Reference RS125T-8?

The voice coil diameter of the Dayton Audio Reference RS125T-8 is 25 mm, which is critical for thermal and mechanical performance. A larger diameter allows for effective heat dissipation and reduces the risk of overheating, even under intense use. The voice coil supports high diaphragm movements, which affects sound fidelity and maximum output power. In combination with the centered ferrite magnet, a strong and stable magnetic field is generated. This is advantageous when you want to accurately reproduce complex audio content with dynamic changes in volume and soundstage.

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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