Rupert Neve Designs Shelford Channel

Shelford Channel Mic Pre / EQ /Compressor based off of Rupert's classic designs (1073, 1064, 1081, etc.)
In stock
SKU
RND-SHELFORDCH
$3,495.00

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The Shelford 5052 echoes the simple and definitive 1073 feature set with a vertically-oriented mic pre, high pass filter, and 3-band inductor EQ, while also incorporating modern capabilities like the variable Silk / Texture control from the Portico II Series and simultaneous pre / post “tape” operation. Utilizing class-A, discrete, +/- 24V topologies with custom-wound transformers and inductors, Rupert Neve designed the 5052 as a vintage-style channel strip that captures the soul of his classic designs, without the previous compromises.

A Whole New Vintage – Over fifty years in the making, the Shelford Channel is the definitive evolution of the original technologies in Rupert’s classic console modules like the 1073, 1064, 1081 & 2254, thoughtfully advanced and refined for the 21st century studio. The Shelford Channel is built around Rupert Neve’s first new transformer-gain, class-A microphone preamplifier in over 40 years, the “best-of-the-classics” inductor EQ section from the Shelford 5052, a tone-packed Diode bridge compressor, the analog power of variable Silk saturation, a new dual-tap transformer output stage for maintaining headroom or allowing the full driving of the Channel without clipping standard converters, and twice the operating voltage of vintage designs.

With richly-colored tonal options for making bold statements with your music, and precisely-engineered detented controls for recall, the vintage-inspired Shelford Channel maintains the soul of Rupert’s classic designs with new levels of versatility, delivering what can only be described as the combined essence of fifty years of Rupert Neve’s designs.

The Input Stage and Transformer Gain Mic Pre

Like Rupert’s designs from his time in Little Shelford , the Shelford Channel’s preamplifier uses a directly-coupled transformer input with gain provided by the custom transformer itself – a first in over 40 years for Rupert Neve. This new custom-designed input transformer, along with its careful integration with the surrounding circuitry, is critical to the Channel’s bold and instantly recognizable character.

With this classic topology, the input transformer design is extraordinarily challenging, and the RN4012 transformer utilized in the Channel went through many generations before Mr. Rupert Neve was satisfied. This transformer provides the first 15dB of gain, with the rest of the 72dB of gain provided by the discrete, class-A amplifier blocks controlled by a stepped attenuator and precision trim pot. Whereas Rupert’s more modern designs (e.g. the Portico Series) utilize a combination of TLAs (Transformer-Like Amplifiers) followed by an input transformer for pristine low & high frequency detail and galvanic isolation (see comparing input topologies notes), the Shelford Channel’s design directly couples the input transformer to the microphone line. When this new transformer is combined with its surrounding class-A input amplifiers, the result is the unmistakably smooth high and low frequencies of the most famous vintage modules in the world, yet with incredibly low noise and superior isolation. The mic pre section also includes a sweepable 20-250Hz high-pass filter, Mic / Line selection, 48V phantom power, and polarity reverse.

The “Best Of The Classics” EQ

The 3-band, custom-tapped inductor EQ on the Shelford Channel was inspired by our favorite portions of Rupert’s vintage EQ designs. The low frequency band is primarily based on the 1064 – renowned for its creamy, resonant bass. Unlike the 1064 however, the LF band on the Channel can be used as either a shelf or a peak filter; adding punch, dimension, and immense control to your low end.

The Shelford Channel’s inductor midrange band is based on Rupert’s 1073, ideal for sweetening vocals and instruments while bringing them ever-so-slightly forward in a mix. Additionally, the mid frequency band’s proportional “Q” response makes it well-suited for minimizing problematic frequencies in a source.

The Channel’s high frequency band is a hybrid vintage / modern design, using capacitor-based topologies to achieve richer tone with enhanced control. As Rupert originally intended with his most prized classic designs, each EQ section uses low-feedback, class-A electronics to prevent low-level artifacts and harshness from detracting from the tonal shaping. The EQ circuit itself, however, is a decidedly modern design using techniques and components that were simply not available 40 years ago, and should not be considered a “clone”.

The Diode Bridge Compressor

Like the Inductor EQ and Transformer Gain microphone preamp, the diode bridge compressor in the Shelford Channel is based on the same topologies found in Rupert’s vintage designs – such as the 2254 – but it expands on these early design by incorporating full-wave rectification and a slew of new control features. While Rupert’s vintage diode bridge compressors have a uniquely punchy and warm response, they were also quite limited by inflexible attack times, high noise, low headroom, & imprecise controls. With the Diode Bridge Compressor, Rupert Neve Designs is able to recapture the vibe-filled, “in your face” sound of those classics with a new level of precision and flexibility, allowing the compressor to be fully utilized on virtually any source. Where the VCA compressor found in the Portico II Master Buss Processor delivers unrivaled transparency, the Shelford Channel’s Super Diode Bridge Design is all about making a statement with compression. 

The compressor includes controls for TIMING, THRESHOLD, RATIO, BLEND, MAKE UP GAIN, FAST (attack-release modifier), HPF to Side Chain, Pre-EQ, Bypass, Side Chain Insert, and Stereo Link for the new high-performance diode bridge.

TIMING is a six-position switch that affects both attack & release settings for Auto, Fast, Medium Fast, Medium, Medium Slow, Slow.  The FAST button speeds up the attack for every setting – highly useful when it becomes vital to clamp down on transients. These settings provide a vast range of attack / release combinations, all with easy auditioning & recall.

The RATIO control has 6 steps between 1.5:1 to 8:1 to achieve subtle or extreme reductions, and the THRESHOLD control has 31 steps detented between -25dBU and +20dBU for a wide variety of input levels. MAKE UP GAIN has 31 steps from -6dB to +20dB, and is affected by the blend setting – more on that later. The HPF to SC button moves the Swept HPF in the mic pre to the compressor side chain, reducing the impact of low frequencies in the compressor’s response. The SC INSERT allows more elaborate equalization of the side-chain signal, accessible via TS I/O on the rear panel.  

The BLEND control is incredibly useful on the Diode bridge compressor, because it allows an extremely colored compressor sound and massive amounts of gain reduction to be gradually mixed into the signal – giving the compressor a potential for subtlety and precision not found in its predecessors.

More Information
SKU RND-SHELFORDCH
Manufacturer Rupert Neve Designs
Condition New
Video
Model Shelfod Channel
Type Channel Strip
Features Solid State
Number of Channels 1
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