What is the peak power output of the ART 745-A MK5?

The speaker delivers 1400 watts of 2-way peak power, provided by its internal Class-D amplifier.

What size is the high-frequency driver?

It features a 4.0-inch titanium dome neodymium compression driver, which is a standout feature for this class of speaker.

What is the maximum SPL rating?

The ART 745-A MK5 can reach a maximum sound pressure level (SPL) of 133 dB.

Does it use neodymium or ferrite magnets?

Both the 15-inch woofer and the 4-inch compression driver utilise neodymium magnets to reduce weight and improve efficiency.

What functions does the onboard DSP handle?

The DSP manages crossover, equalisation, phase control, soft limiting, and comprehensive speaker protection.

Is the ART 745-A MK5 a passive or active speaker?

It is an active (powered) PA speaker, meaning it has built-in amplification and does not require an external power amp.

What is the benefit of the 4.0-inch voice coil in the HF driver?

The large voice coil allows for better power handling and a lower crossover point, resulting in superior vocal clarity and mid-range projection.

Can this speaker be used as a floor monitor?

While primarily designed as a FOH speaker, its enclosure shape allows for wedge positioning, though models like the NX 915-SMA are specifically optimised for monitoring.

How does the MK5 differ from the previous MK4?

The MK5 version features updated DSP algorithms and refined transducer assembly technologies for improved linear response.

What is the woofer size?

The speaker is equipped with a high-performance 15-inch neodymium woofer.

Is the enclosure made of wood or plastic?

The ART 745-A MK5 uses a specially designed composite (plastic) enclosure to balance durability with portability.

What type of applications is this speaker best suited for?

It is ideal for live bands, DJs, and corporate events where high volume, vocal clarity, and deep low-end response are required without a separate subwoofer.

Gear article

RCF ART 745-A MK5 Active PA Speaker

The RCF ART 745-A MK5 is a high-performance active two-way speaker featuring a 15-inch neodymium woofer and a large 4-inch voice coil neodymium compression driver. Designed for professional live sound applications, it delivers 1400 watts of peak power and achieves a maximum sound pressure level of 133 dB.

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History and Background

The ART series by RCF has long been a staple in the portable PA market, known for its durable composite enclosures and high-quality transducers. The MK5 generation represents the latest evolution of the 7-series, refining the Digital Signal Processing (DSP) and transducer integration. The 745-A model sits at the top of the ART 7 range, distinguished primarily by its oversized high-frequency driver, which allows for a lower crossover point and improved vocal presence compared to its predecessors and smaller siblings.

Transducer Technology and Design

The ART 745-A MK5 utilizes premium components to achieve its performance specifications. The high-frequency section features a 4.0-inch titanium dome neodymium compression driver, which is significantly larger than those found in standard 15-inch PA speakers. This allows for exceptional projection and clarity in the mid-range. The low-frequency duties are handled by a 15-inch neodymium woofer, chosen for its linear response and precise control over low frequencies while maintaining a manageable weight for transport.

Amplification and DSP

The unit is powered by an integrated Class-D amplifier providing 1400 watts of peak power. Control is managed via an advanced DSP suite that governs several critical parameters:

Crossover and Equalisation: Ensures seamless integration between the woofer and the compression driver.
Phase Control: Optimises the time-alignment of the drivers for a coherent soundstage.
Soft Limiting: Protects the transducers from clipping and thermal damage.
Speaker Protections: Monitors the system in real-time to prevent failure during high-output use.

Sonic Character and Performance

The defining characteristic of the ART 745-A MK5 is its vocal clarity. Because the 4-inch compression driver can handle a wider frequency range, the crossover point is lowered, removing the 'muddiness' often associated with 15-inch woofers attempting to reproduce mid-range frequencies. The result is a highly linear response with an immersive audio experience and a maximum SPL of 133 dB, suitable for large crowds and high-noise environments.

Comparison to Alternatives

Within the RCF range, the 745-A MK5 offers more power and a larger HF driver than the ART 735-A MK5. When compared to budget alternatives like the dB Technologies B-Hype 15 or the SubZero P15X, the RCF provides significantly higher SPL, neodymium components, and more sophisticated DSP. While it lacks the wooden enclosure found in the RCF NX 915-SMA stage monitor, its lightweight composite build makes it more suitable for pole-mounting in front-of-house applications.

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Frequently asked questions

What is the peak power output of the ART 745-A MK5?: The speaker delivers 1400 watts of 2-way peak power, provided by its internal Class-D amplifier.
What size is the high-frequency driver?: It features a 4.0-inch titanium dome neodymium compression driver, which is a standout feature for this class of speaker.
What is the maximum SPL rating?: The ART 745-A MK5 can reach a maximum sound pressure level (SPL) of 133 dB.
Does it use neodymium or ferrite magnets?: Both the 15-inch woofer and the 4-inch compression driver utilise neodymium magnets to reduce weight and improve efficiency.
What functions does the onboard DSP handle?: The DSP manages crossover, equalisation, phase control, soft limiting, and comprehensive speaker protection.
Is the ART 745-A MK5 a passive or active speaker?: It is an active (powered) PA speaker, meaning it has built-in amplification and does not require an external power amp.
What is the benefit of the 4.0-inch voice coil in the HF driver?: The large voice coil allows for better power handling and a lower crossover point, resulting in superior vocal clarity and mid-range projection.
Can this speaker be used as a floor monitor?: While primarily designed as a FOH speaker, its enclosure shape allows for wedge positioning, though models like the NX 915-SMA are specifically optimised for monitoring.
How does the MK5 differ from the previous MK4?: The MK5 version features updated DSP algorithms and refined transducer assembly technologies for improved linear response.
What is the woofer size?: The speaker is equipped with a high-performance 15-inch neodymium woofer.
Is the enclosure made of wood or plastic?: The ART 745-A MK5 uses a specially designed composite (plastic) enclosure to balance durability with portability.
What type of applications is this speaker best suited for?: It is ideal for live bands, DJs, and corporate events where high volume, vocal clarity, and deep low-end response are required without a separate subwoofer.