Drawmer MXPRO50 De-Esser

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Product Code: 1691
Drawmer MXPRO50
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Drawmer MXPRO50 De-Esser

The Drawmer MXPRO50 De-Esser is a flexible, simple to set up, dual vocal De-Esser designed to fulfil the needs of the recording studio, broadcast, theatre and live sound industries. Processing is achieved by adjusting just two control parameters, frequency and De-Ess.

The Drawmer MXPRO50 De-Esser may be used in balanced systems at +4dBu operating levels using the XLR connectors, or unbalanced at -10dBu using the TRS stereo jacks.

The human voice is one of the most diverse signals ever encountered by engineers because it contains such large variations in level and harmonic structure. Getting the desired vocal sound can sometimes prove difficult. Setting the E.Q. to give the vocal sufficient 'definition' and 'cut' in the mix can cause large sibilant peaks which often lead to severe distortion. The Drawmer MXPRO50 De-Esser solves these problems quickly and efficiently by reducing the level of the sibilant sounds whilst leaving the remainder of the signal unchanged.

The Drawmer MXPRO50 De-Esser is a flexible, simple to set up dual De-Esser designed to fulfil the needs of the Recording Studio, Broadcast, Theatre and Live Sound Industries. Its classic application is to overcome the problems that can arise when sibilant sounds (S's and T's) are over-emphasised by the human voice, with such other applications as 'smoothing' a stereo mix, reducing string noise on acoustic guitars or breath noise on flutes, even refining cymbal and hi-hat sounds. Processing is achieved by adjusting just two control parameters, Frequency and De-Ess. The fully variable Frequency control operates from 800Hz to 8KHz encompassing the full sibilant range, including 'hard' sounding harmonics and other side-effects which can be generated when treble frequencies are boosted or enhanced. This is followed by the variable De-Ess which acts as a 'more' control giving up to 20dB of gain reduction at the selected frequency.

Drawmer MXPRO50 De-Esser Features

  • Floating Threshold System: This intelligent Drawmer circuitry has a floating Threshold that adapts to the dynamics and level of the incoming material, eliminating the need for a manual Threshold control and creating more natural results.
  • Air function: As sibilance rarely occurs above 10KHz this feature adds back high frequency 'gloss' in excess of 12KHz preserving upper harmonics and increasing the transparency of operation.
  • Frequency: This control selects the frequency band in which the de-esser operates. In Split Band mode this control also determines the split point above which gain reduction will take place. The control is continuously variable from 800Hz to 8KHz and covers the full sibilant range.
  • De-Ess: Adjusts the amount of gain reduction that will take place when a sibilant sound has been detected. Up to a maximum of 20dB may be applied. This control uses an intelligent Floating Threshold circuitry which removes the need for a manual De-Ess Threshold control. One of the benefits of this design approach is that during quiet passages the sibilants are held to a level which is relative to the original signal.
  • Split Band De-Ess: Split Band operation will only reduce the selected frequencies above the value set via the Frequency control. In most situations this mode, in conjunction with the Air function, offers the most transparent de-essing. Status LED illuminates when engaged.
  • Full Band De-Ess: Full Band operation will reduce the total signal level in response to signals in the selected frequency band. Status LED illuminates when engaged.
  • Air: The Air control enables frequencies above the sibilant band to be retained, greatly increasing transparency of the de-essing process. During normal use it is recommended to keep the Air function active for both Split Band and Full Band de-essing. Status LED illuminates when engaged.
  • Link: Depressing this switch configures the unit for stereo operation where the average left/right signal level is used as the Floating Threshold. In linked mode the red status LED beneath the link switch will illuminate.
  • De-Ess Gain Reduction Display: A nine segment LED bargraph shows how much gain reduction is being applied up to a maximum of 20dB. In Full Band mode gain reduction is applied to the whole signal, whilst in Split Band mode only frequencies above the value set on the frequency control are subject to gain reduction.
  • Bypass: The Bypass position routes the input signal to the output with no processing. These switches are independant of any linking and will only bypass their respective channel. Status LED illuminates when engaged.

Drawmer MX50-Pro De-Esser Specifications

  • Input Impedance: 20K Ohm (balanced), 20K Ohm (unbalanced)
  • Maximum Input Level: +21dBu
  • Input CMR: > -40dB
  • Output Balance: > -46dB
  • Output Impedance: 50 Ohm (balanced), 100 Ohm (unbalanced)
  • Maximum Output Level: +21dBu
  • Bandwidth: 12Hz – 51KHz, -1dB
  • Crosstalk: @ 35kHz; -88dB, @ 1KHz; Below Noise Level
  • Distortion:
    • Unity Gain +4dBu Input: 100Hz < 0.03%, 1KHz < 0.02%, 10KHz < 0.03%
    • +14dBu Input 10dB Gain Red: 100Hz < 0.2%, 1KHz < 0.2%, 10KHz < 0.2%
  • Power Requirements: 115 Volt or 230 Volt at 50-60Hz, 9 Watts
  • Fuse Rating: 63mA for 230 Volt, 125mA for 115 Volt
  • Conformity To: IEC 127-2
  • Fuse Type: 20mm x 5mm, Class 3 Slow-Blow, 250 Volt Working
  • Dimensions: (W x H x D) 482mm x 44mm x 200mm
  • Weight: (Including packaging) 3.2 Kg

Drawmer MXPRO50 De-Esser Includes

  • Drawmer MX50-Pro De-Esser
  • Power Cord
  • User Manual
  • 1 Year Warranty

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1 Review Hide Reviews Show Reviews

  • 5
    Excellent Refinement

    Posted by Andrew Becker on Mar 30th 2011

    I waited almost a decade to splurge for this piece, definitely not disappointed. The &quot;air&quot; control does exactly what&#039;s desired, and the de-esser complements it perfectly. You can turn it up until it sounds unnatural, but why? 6db of sibilance cut and you&#039;re golden, with a studio smoothness you can&#039;t get live any other way. This is my secret weapon for vocals, no doubt.