SPL Audio DeS – Dual-Band De-Esser

SPL Des Dual Band DE-ESSER 500

The SPL DeS 500 Series Dual Band De-Esser Module is placed in a single slot on the 500-series rack module. It offers an alternate method of signal processing that uses phase cancellation to eliminate sibilance. The DeS has two frequency bands that may be utilized alone or together. Two de-esser stages are connected in sequence as separate modules (Lo-S is set first in the chain) to boost processing efficiency while avoiding audible artifacts. Focused processing using high and low bands allows for precise handling of sibilant sounds. Furthermore, input signals are automatically adjusted to provide equal processing, regardless of the distance between the source and the microphone.

Band Connectivity

The SPL DeS extends this principle by employing two frequency bands that may be utilized separately or concurrently. Using two de-esser steps improves effectiveness while reducing audible artifacts. High and low bands provide more accuracy and more concentrated sibilance processing. The input signals are automatically modified to provide consistent processing at all times. A Male / Female mode option adjusts the processor’s frequency response to the usual male and female vocal frequencies.

Both the low and high bands are linked in series as separate modules and may be triggered using the dedicated On/Off switch. The low band is the first in the chain and influences the signal supplied into the high band. In the 1990s, the original SPL De-esser rapidly gained popularity among engineers, producers, and broadcast stations.

SPL DeS Dual Band 500 Series De-esser Module

•  Reduced sibilance with phase cancellation.
•  Effective and inconspicuous.
•  Two-band processing: Hi-S and Lo-S.
•  Easy and quick operation with only two controls.
•  De-S intensity LED display.
•  Select male or female voices.
•  On/bypass switch.
•  Signal LED.
•  A single-slot 500 series rack module.

Achieving pristine vocal clarity in your mixes is a challenge that every audio professional faces. Sibilance—the harsh “s” and “sh” sounds—can detract from a vocal performance, making tracks sound sharp and unpleasant. The SPL Audio De S Dual-Band De-Esser is designed to tackle this problem head-on, providing precise, balanced control over sibilance to ensure your recordings sound smooth and natural. Whether you are working in a professional studio or a home setup, this tool helps you maintain vocal integrity without sacrificing tonal quality.

At its core, the SPL Audio De S is a dual-band de-esser, meaning it targets sibilance across two distinct frequency bands. This dual-band approach allows you to tame harshness in the upper midrange and high frequencies independently, rather than applying a broad reduction that can dull the entire vocal track. This precision lets you reduce sibilance while retaining the natural brightness and presence of the voice, so your vocals remain clear and engaging. The balanced type design ensures minimal noise and interference, delivering transparent audio processing that won’t color your sound.

With an input impedance of 20 kΩ and an output impedance of 150 Ω, the SPL Audio De S integrates smoothly with a variety of studio equipment, from mixers to preamps, without loading down your signal chain. It can handle maximum input levels of +22 dBu, which means it’s capable of processing hot signals without distortion. The unit’s frequency range of 10 Hz to 100 kHz (±3 dB) extends well beyond the audible spectrum, ensuring that the device processes your audio with exceptional fidelity and without unwanted artifacts. This wide frequency response is crucial for maintaining the full tonal character of your source material.

Total harmonic distortion and noise performance are critical when working in professional audio environments, and the SPL Audio De S excels in this area. With distortion as low as 0.03% at 0 dBu across the audio band and a noise floor of -92.3 dB (A-weighted), you can trust that the device adds virtually no coloration or hiss to your signal. The dynamic range of 113 dB combined with a common mode rejection ratio of -82 dB means that the unit maintains a clean and clear signal, even in electrically noisy environments. Weighing just 1.43 lbs, the compact size also makes it a convenient addition to any studio rack or portable setup.

This de-esser is ideal for a variety of professional audio applications. Recording engineers can use it to polish vocal tracks during tracking or mixing sessions, ensuring that sibilance is controlled without over-processing. Broadcast professionals will appreciate its ability to clean up spoken word content, improving intelligibility and listener comfort. Musicians and producers working in home studios can also benefit from its straightforward, high-quality performance, elevating their vocal productions with ease.

Priced at ₹41,810, the SPL Audio De S offers a compelling combination of precision engineering and professional-grade sound quality. Its robust specifications and thoughtful design reflect a commitment to delivering a reliable solution that professionals can depend on in demanding audio environments. Investing in this dual-band de-esser means you gain a versatile tool that enhances vocal clarity and smoothness without compromise.

In summary, the SPL Audio De S Dual-Band De-Esser is a meticulously crafted device that addresses the common yet critical issue of sibilance in vocal recordings. Its advanced dual-band processing, low distortion, wide frequency response, and solid build quality make it an essential component for anyone serious about audio excellence. With this unit in your signal chain, you can confidently achieve clear, polished vocals that stand out in any mix.