The low headroom tap however is optimized to allow an engineer to drive the full voltage range of the Channel adding dynamic tone with these same non-linear colorations without clipping most professional interfaces.
The high headroom tap is designed capture a more pristine sound at high levels, avoiding non-linear coloration of the output stage and taking full advantage of the Shelfords higher voltage design. The dual-tap output for the Channels RN2042 square-core output transformer creates both high and low headroom outputs without compromising the channels performance.
Similarly to the input stage, the new output stage is designed to provide the texture and power of Ruperts classics while allowing for significantly more versatility in tone. The mic pre section also includes a sweepable 20-250Hz high-pass filter, Mic / Line selection, 48V phantom power, and polarity reverse. 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 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 Channels design directly couples the input transformer to the microphone line. Whereas Ruperts more modern designs (e.g. 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. 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. This new custom-designed input transformer, along with its careful integration with the surrounding circuitry, is critical to the Channels bold and instantly recognizable character. Like Ruperts designs from his time in Little Shelford, the Shelford Channels preamplifier uses a directly-coupled transformer input with gain provided by the custom transformer itself a first in over 40 years for Rupert Neve. 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 Ruperts classic designs with new levels of versatility, delivering what can only be described as the combined essence of fifty years of Rupert Neves designs. The Rupert Neve Designs Shelford Channel is built around Rupert Neves 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. Rupert Neve Shelford Channel The Rupert Neve Shelford Channel is over fifty years in the making! The Shelford Channel is the definitive evolution of the original technologies in Ruperts classic console modules like the 1073, 1064, 1081 & 2254, thoughtfully advanced and refined for the 21st century studio.
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