Name: Rupert Neve Designs Shelford Diode Bridge Compressor
SKU: 69217ed8bc1249000c0f6f7f
Price: 24000.0 HKD
Availability: InStock

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Rupert Neve Designs Shelford Diode Bridge Compressor

Punch, color, weight, and tone. Two channels of iconic diode bridge compression – straight from the Shelford Channel.
Since the early 1970s, Rupert Neve’s vintage 2254 and 33609 diode bridge compressors have been revered for the punch & thickness they bring to drums, instruments, and the mix bus.

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A Note on the Name (a.k.a. “Didn’t this used to be called the 5254?”)

This two-channel unit was first released in October 2020 as the “5254 Dual Diode Bridge Compressor” (and you’ll still see it referred to with that name in some older content below). In 2024 we updated the name to “Shelford Diode Bridge Compressor” to better reflect the circuit’s origins. But aside from the name change on the faceplate, the rest of the unit – inside and out – is identical to the 5254 many of you already know and love.

“…holy smokes. Not kidding…the best compressor I’ve heard in 30 years of mixing.”

— KEVIN LEMOINE / GREEN DAY, SOCIAL DISTORTION

What is diode bridge compression?

Where the VCA compressor found in the Master Buss Processor provides unmatched clarity, the weighty, harmonically rich tonality of diode bridge compression can be essential in pushing key sources like vocals, electric guitars, bass and drums to the forefront of a mix.

By understanding the limitations of vintage units like the legendary 2254 & 33609, painstaking effort was taken to reproduce the unique tone of these classics while improving the noise floor & accuracy, expanding inflexible time constants, adding full wave sidechain detection for improved dynamic response, and widening the range of threshold and ratio controls.

Delivering the powerful sound of these iconic designs with enhanced flexibility for the modern age, the Shelford Diode Bridge Compressor is a dynamic tool equipped to make a bold statement on virtually any mix or track.

“A diode bridge is a very unique sound characteristic compared to other types of compressors. It is possible to create a cleaner sounding diode bridge than we have here, but we were after a particular flavor of harmonic content. As soon as you hear the sound, you know exactly what it is.”

—

Dennis Alichwer

Engineering Manager, Rupert Neve Designs

Classic Diode Bridge Tone

Capture the punchy, larger-than-life tone used on countless hit records for the last 50 years.

Advanced Timing Controls

Custom-shape your compression envelope with the unified timing control, which enables a much wider range of responses than vintage units or clones.

Custom Transformers and Class-A Line Amplifiers

Vintage warmth meets the improved headroom and precision of Rupert Neve’s updated transformer-coupled line stages.

31-Position Detented Controls

Accurately recall and match your settings with precision and speed.

Built-In Parallel Compression

Internal blend control enables you to subtly dial in more dramatic compression settings for color as desired.

Full-Wave Sidechain Detection

Enhanced from the vintage units’ half-wave design, the updated sidechain detector provides substantially more accuracy.

Stereo Linking

Run your compressors in either dual mono or stereo configurations.

Internal Universal Power Supply

EIC connection for world-wide AC power from 90-240V embedded in the 1U rack-mountable chassis.

XLR LINE INPUT TO XLR LINE OUTPUT

Compressor Bypassed.

zSource = 40 Ohm Balanced

INPUT IMPEDANCE

10K Ohm

OUTPUT IMPEDANCE

40 Ohm

MAXIMUM INPUT LEVEL

+4 dBu Selected: +26.7 dBu typical

MAXIMUM OUTPUT LEVEL

+26.7 dBu typical

NOISE

10 Hz - 120 kHz: -104 dBu typical

FREQUENCY REPONSE

10 Hz to 120 kHz: +/- 0.25 dB typical

THD+N

From 22 Hz - 22kHz BW.

@ 1 kHz @ Maximum Level: 0.0008% typical

COMPRESSOR NOISE

From 22 Hz - 22kHz BW.

zSource = 40 Ohms Balanced

NOISE

@ 0 dB Make-up gain: -84.5 dBu typical

@ +20 dB Make-up gain: -64.5 dBu typical

COMPRESSOR TIMING CONSTANT MEASUREMENTS

Note: TIMING measurements represent the full range between 1.5:1 and 8:1 ratio and FAST mode

FAST – Attack 250 μS - 2 mS // Release 100 mS - 200 mS typical

MF (MEDIUM FAST) – Attack 1 mS - 5 mS // Release 100 mS - 200 mS typical

MED (MEDIUM) – Attack 3 mS - 18 mS // Release 350 mS - 700 mS typical

MS (MEDIUM SLOW) – Attack 5 mS - 40 mS // Release 600 mS - 1 S typical

SLOW – Attack 10 mS - 80 mS // Release 800 mS - 1.5 S typical

AUTO – Attack 5m S - 40m S // Release T1 400-900 mS, T2 1-2 S typical

UNIT DIMENSIONS

1RU: 19” W x 8.25” D x 1.75” H

(48.3 cm W x 21 cm D x 4.5 cm H)

UNIT WEIGHT

8.5 lbs. (3.9 kg)

SHIPPING DIMENSIONS

24” W x 13” D x 4” H

(61 cm W x 33 cm D x 10.2 cm H)

SHIPPING WEIGHT

10 lbs. (4.5 kg)

Delivery Options

S.F. Express - Store Pickup
S.F. Express - S.F. - Business Station Pickup
S.F. Express - EF Locker Pickup
S.F. Express - Circle K Store Pickup
S.F. Express - 7-11 Store Pickup
辦公室/住宅地址直送（經順豐速遞）
預約交收
香港郵寄

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Rupert Neve Designs Shelford Diode Bridge Compressor

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