Rupert Neve Designs Shelford Channel Mono Microphone Preamp / EQ / Compressor

Distil Rupert Neve’s Definitive Sonic Legacy in Your Studio

The Rupert Neve Designs Shelford Channel represents the pinnacle of Rupert Neve's legendary console designs in a single-channel rackmount format. Engineered for demanding mixing engineers and commercial facilities, this 1U masterpiece consolidates over fifty years of analogue circuitry into a high-voltage studio workhorse. Integrating a Class-A transformer-gain preamplifier, three-band inductor equaliser, diode bridge compressor, and variable Silk saturation, it delivers unmatched depth and pristine clarity to any vocal or acoustic recording.

Unprecedented Headroom and Mid-Forward Boldness
At the front end is Rupert Neve’s first new transformer-gain Class-A mic preamp design in over forty years. Combining a custom-wound step-up input transformer with discrete Class-A circuitry, it yields up to 72 dB of gain with an exceptionally low noise floor. Operating on twice the voltage of vintage consoles, this topology delivers massive headroom and a bold, mid-focused character that immediately flatters your source material.

The Ultimate Analogue Toolkit with Stepped Precision
The signal path features a custom-tapped three-band inductor equaliser blending hallowed vintage tone with modern versatility. Its low-frequency band recreates the thick warmth of a 1064, while the proportional Q midrange brings vocals directly to the front of the mix. Following this is a heavily upgraded, 2254-inspired diode bridge compressor that adds harmonic saturation and weight, complete with a parallel Blend control to preserve transient punch.

Variable Transformer Tone and Dual-Tap Versatility
Driven by a custom RN2042 square-core transformer, the output stage features variable Silk Red and Blue saturation modes for rich second- and third-order harmonics. Silk Red adds a sparkly sheen to high frequencies, whereas Silk Blue enhances lower-frequency warmth. A dual-tap configuration provides a standard line output and a dedicated -6 dB output, allowing you to drive the Class-A output stage into its saturation sweet-spot without clipping your converters.

Main features:

• Class-A transformer-gain microphone preamplifier offering up to 72 dB of discrete, ultra-low-noise gain
• Custom-wound step-up input transformer that adds mid-forward boldness and harmonic richness directly at the input stage
• High-impedance direct input utilising the same high-fidelity topology as the industry-standard RNDI active DI box
• Passive loop-through jack on the front panel to simultaneously route dry DI signals to an amplifier
• Swept high-pass filter continuously adjustable from 20 Hz to 250 Hz with a musical 12 dB per octave slope
• Three-band custom-tapped inductor equaliser based on classic Rupert Neve console circuits like the 1064 and 1073
• Parametric midrange EQ with proportional Q and a switchable high Q setting for surgical frequency cuts or smooth musical boosts
• Low-frequency and high-frequency EQ bands switchable between shelf and peak modes for custom-tailored tonal shaping
• Vintage-style diode bridge compressor with stepped controls, six timing configurations, and a 30% speed-boosting Fast mode
• Wet/dry Blend control for seamless parallel compression, allowing you to combine uncompressed transients with thick, compressed body
• Custom-wound square-core output transformer featuring variable Silk Red and Silk Blue saturation modes with variable Texture control
• Dual-tap output stage providing a standard line-level output and a separate -6 dB output to prevent converter clipping when driving the transformer hard
• Internal high-pass filter sidechain routing to exclude heavy low-end from triggering the compressor detector
• Sidechain insert send and return jacks on the rear panel to enable advanced external spectral dynamics processing
• Built-in stereo link function to coordinate compression across a pair of units for mastering or bus processing

Tech Specs:

• Type: Flagship 1U Channel Strip
• Preamp Input Impedance: 2200 Ohms
• Preamp Maximum Input Level: +21.5 dBu (150 Hz to 22 kHz), +8 dBu (20 Hz to 22 kHz)
• Preamp Frequency Response: 17 Hz to 45 kHz (+/- 0.25 dB)
• Preamp Equivalent Input Noise: -121.37 dBu (un-weighted, 22 Hz to 22 kHz, 150 Ohm source)
• Direct Input Maximum Level: +8 dBu (20 Hz to 120 kHz)
• Direct Input Noise (Line Out): -100 dBu (22 Hz to 22 kHz)
• Line Input Impedance: Low impedance
• Line Input Maximum Level: +30.5 dBu (20 Hz to 30 kHz)
• Line Input Frequency Response: <10 Hz to 110 kHz (+/- 0.25 dB)
• Line Input Noise (Line Out): -101.1 dBu (un-weighted, 22 Hz to 22 kHz, 40 Ohm source)
• High-Pass Filter Frequency: 20 Hz to 250 Hz, continuously variable
• High-Pass Filter Slope: 12 dB per Octave
• Equaliser Noise: -92 dBu (un-weighted, 22 Hz to 22 kHz)
• Compressor Threshold: +20 dBu to -25 dBu, continuously adjustable
• Compressor Ratio: Six settings: 1.5:1, 2:1, 3:1, 4:1, 6:1, 8:1
• Compressor Makeup Gain: -6 dB to +20 dB
• Compressor Noise: -84.5 dBu (0 dB makeup gain), -64.2 dBu (+20 dB makeup gain)
• Output Stage Type: Custom-wound square-core transformer-coupled with dual-tap active outputs
• Maximum Output Level: +26 dBu (16 Hz to 20 kHz)
• Silk Red Harmonic Distortion: 0.0131% (min Texture) to 1.66% (max Texture) @ 100 Hz, +20 dBu, mostly 2nd/3rd harmonics
• Silk Blue Harmonic Distortion: 0.0079% (min Texture) to 0.941% (max Texture) @ 100 Hz, +20 dBu, mostly 2nd/3rd harmonics
• Physical Rack Unit Height: 1U standard rackmount
• Chassis Dimensions (WxDxH): 48.3 x 26.0 x 4.5 cm
• Chassis Net Weight: 4.3 kg
• Operating Voltage: 100-240 VAC, 50/60 Hz, 35 Watts max AC consumption
• Discover Rupert Neve Designs [Shelford Channel]: https://rupertneve.com/products/shelford-channel