RCF - SUB 8004-AS Active High Power Subwoofer

The RCF SUB 8004-AS stands as one of the most potent 18” subwoofers in the professional sound category. Boasting a high-power, hypervented 18” woofer with 4” inside/outside voice coils, this cabinet is engineered to deliver a substantial amount of low-frequency response. Powered by a robust 1250W digital amplifier module, the SUB 8004-AS excels in even the most demanding audio environments.

The input board of the SUB 8004-AS features a comprehensive array of controls, including volume control, deep/punch switch, high pass switch, phase switch, cardioid, and time delay. These features enable precise adjustment and optimization of the subwoofer’s performance to suit various audio applications.

RCF’s Class-D power amplifier technology ensures exceptional performance with high efficiency, delivering an ultra-fast attack, realistic transient response, and impressive audio quality. The solid machined aluminum structure of the amplifier stabilizes it during transportation and aids in fan-less heat dissipation, contributing to its reliability and longevity.

With over 70 years of expertise in transducer technology, RCF has pioneered advancements in materials and design, resulting in state-of-the-art components that contribute to the SUB 8004-AS’s legendary performance. From Neodymium magnets to carbon fiber cones and pure titanium diaphragms, RCF’s transducers set the standard for excellence in the industry.

RCF subwoofers, including the SUB 8004-AS, are renowned for their exceptional SPL levels at low frequencies, compact dimensions, self-powered design, internal delay control, cardioid configuration options, and impressive size-to-output ratio. These features ensure an immersive and engaging audio experience for audiences of all sizes.

Constructed from Baltic birch plywood coated with a textured black finish, the SUB 8004-AS is durable and aesthetically pleasing. Ergonomic handles facilitate easy setup and teardown, while a pole receptacle on top and side allows for versatile configuration options. The powder-coated front grille integrates a special transparent-to-sound foam backing to protect the transducers from dust and debris, ensuring long-term reliability and performance.

Peak Power: 2500 Watts
RMS Power: 1250 Watts
Max SPL: 136 dB
Frequency Response: 30 Hz – 120 Hz
Woofer: 18″ with 4.0″ voice coil
Input Section: DSP controlled with selectable presets
Controls: Volume, deep/punch switch, high pass switch, phase switch, cardioid, time delay
Cabinet Material: Baltic birch plywood
Amplifier Type: Class-D
Construction: Sturdy metal chassis
Designed and Engineered: Italy