Rupert Neve Designs 5025 Dual Shelford Overview

For over a century, vintage Rupert Neve preamps like the venerable 1073 have been invaluable tools for numerous audio professionals, ushering in the Golden Age of Analog and leaving their indelible sonic imprint on thousands of iconic recordings. Today, the Rupert Neve Designs Dual Shelford provides two channels of the best microphone preamplifier on the globe, honed and upgraded for the current recording studio. Housed in a sleek and durable 1U chassis, the Dual Shelford, like all RND products, is meticulously constructed with mil-spec, discrete componentry to provide decades of sonic perfection in demanding professional applications. There has never been a better opportunity to add two channels of iconic Rupert Neve preamplification to your studio.

Storied sonic excellence

The Rupert Neve Designs Dual Shelford continues the heritage of audio brilliance established by Mr. Neve during his company’s early years in Little Shelford. The Shelford Channel’s design brief was not only to recreate Rupert’s classic preamp designs but also to optimize them with modern, wide-bandwidth frequency response, outstanding amplifier performance at all gain settings, and ultra-low-noise operation—all while retaining the unmistakable sonics that have made vintage Neve designs coveted by generations of top engineers and producers. The Dual Shelford produces stunning, larger-than-life detail. Punchy, glossy, and velvety smooth, it catches singers and instruments with bright warmth and a powerful middle assertiveness that shines in every setting. Bottom line: the Rupert Neve Designs Dual Shelford is an essential tool for generating ambitious musical statements.

Finesse any source.

The Dual Shelford, like its antique counterparts, can handle and finesse almost any source. With a powerful 72dB of low-noise, Class A gain available, you can now utilize your beloved passive ribbon microphones on muted sources, while the appealing analog textures of variable Silk saturation harmonically enrich your songs for authoritative, hard-hitting mixes that burst straight out of the speakers. The Dual Shelford’s sonic authority is bolstered by per-channel unique, cutting-edge transformer-gain mic input stages and dual-tap transformer output stages with tremendous headroom, as well as an inbuilt universal power supply with double the operating voltage of vintage designs. RND’s unique transformer designs are meticulously tuned and fully protected in a MuMetal enclosure. This meticulous attention to detail yields a preamplifier design that is ruler flat from below 10Hz to over 60kHz, delivering the clearest tone possible while still providing a high level of operating flexibility.

Exclusive transformer-gain mic input stage.

Rupert Neve’s first new Class A, transformer-gain mic preamplifier in over 40 years debuted in the Shelford Channel, with two additional channels available in the Dual Shelford. Borrowing from Rupert’s prized vintage preamp designs, each channel of this tour-de-force 2-channel mic preamp has a direct-coupled transformer mic input, with the unique step-up transformer providing the first 15 dB of gain. While the majority of Rupert’s designs’ instantly recognizable harmonic richness can be attributed to the implementation of custom output transformers and adjacent Class A amplifiers in the circuit, the proprietary input transformer and its meticulous integration into its surrounding Class A input amplifiers play an important role in further enhancing the Dual Shelford’s tone. Because of its unique reactive impedance and interaction with the connected microphone, the input transformer adds a nuanced, non-linear harmonic enrichment to the low frequencies and a distinct sweetness to the highs, rounding out and topping off the more pronounced enhancement provided by the output transformer.

Dual-tap transformer outputs

The Dual Shelford’s output stage delivers the signature sound of Rupert Neve’s classic designs while offering significantly greater tonal diversity. Custom dual-output-level transformers with RND’s unique dual-output topology complete the Silk circuit, providing both Main (+26 dBu) and 6 dB (+20 dBu) outputs. The high-headroom main output takes use of the Dual Shelford’s higher-voltage architecture, resulting in pure sound without non-linear output-stage coloring at high settings. The low-headroom tap, on the other hand, allows you to drive the unit’s whole voltage range to enhance this non-linear harmonic content without clipping your converters, interface, or other downchain components. This output allows you to find the transformer’s “sweet spot” and push the preamp into classic transformer saturation, bringing vitality into performances in ways that other preamps or effects cannot.

Unrivaled Silk harmonic improvement.

The Dual Shelford has a secret weapon that the classics lacked: its output transformers include the Silk Red/Blue and Texture controls from the Portico II series, as well as the Shelford Channel, which allows you to customize the output stage’s harmonic content and tonalities. By using these controls and driving your output sufficiently, you can dial in delectable 2nd- and 3rd-order harmonic distortion (the good kind) and output transformer saturation, imbuing your tracks with juicy-rich thickness (think 1073 on steroids) without risking overloading the output stage. The Texture slider allows you to choose the degree of Silk augmentation, ranging from clear to nearly ten times the amount of sound color accessible with Rupert’s old console modules. When Silk is turned off, the output is immaculate and contemporary, but the aggressive, transformer-juiced sound character remains. The Silk Red mode enhances harmonic material from the source’s high and midrange frequencies, giving the top end a dazzling sheen. Silk Red is ideal for voices, piano, strings, snare drums, and other acoustic instruments. Silk Blue, on the other hand, makes use of the harmonics produced by the low and low-mid frequencies. This makes it ideal for amplifying signals like bass, percussion, male voices, strong electric guitars, and synthesizers.

The legend continues.

Rupert Neve’s 80 Series consoles produced a massive, powerful, and authoritative sound that characterized the sound of 1970s rock. From London to New York to Los Angeles and beyond, leading studios were adding Neve boards as quickly as possible. By 1977, with the advent of the NECAM automation system, 80 Series boards had become the cornerstone of every recording studio with world-class ambitions. Rupert Neve Designs continues to improve the state of the art with cutting-edge solutions that sound fantastic while intelligently addressing the issues of the digital era. Rupert Neve Designs’ Dual Shelford mic pre keeps the tradition alive.

Rupert Neve Designs 5025 Dual Shelford Features:

•  Two channels for precise RND mic preamplification.
•  RND Shelford circuitry combines historic design elements with contemporary versatility.
•  A custom transformer-gain mic preamp produces a very musical sound.
•  Discrete, precision-engineered design suitable for professional use over decades.
•  Optimal capture of all sources with up to 72 dB of low-noise Class A gain.
•  Sleek, studio- and tour-ready 1U rackmount chassis.
•  Dual-output-level transformers provide a strong harmonic flavor without downchain clipping.
•  Texture control on the Silk Red/Blue circuit allows for fine adjustment of the desired classic tone.
•  Use 48V phantom power with reverse polarity.
•  Worldwide power supply with double the voltage of the original 80 Series modules.
•  Crafted and designed in the United States.