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elysia xfilter 4-band Parametric EQ - Mastering Edition

Stereo 4-band Mastering EQ with High and Low Shelf Bands, Parametric Mid Bands, Resonant High- and Lowpass Filters and Passive Massage Circuit
$2,399.00

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elysia xfilter 4-band Parametric EQ - Mastering Edition
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Precision Stereo Mastering EQ with Amazing Flexibility

The elysia xfilter Mastering Edition is a handcrafted, 4-band Class A analog mastering EQ, with both channels linked for stereo operation. The xfilter Mastering Edition delivers a beautifully open sound, with solid punch and direct transient reproduction, and it is incredibly easy to use. Optimized for mastering, the four bands provide a precise boost/cut range of ±5dB, with stepped potentiometers for reliable settings recall. Unique features include high and low shelving bands that can be switched to high- and lowpass filters with resonance control, and elysia’s proprietary Passive Massage circuit. The xfilter Mastering Edition uses only the finest computer-selected components with extremely low tolerances for perfect stereo channel tracking, giving you the superior sonics of a Class A mastering equalizer at an incredible value.

Unique resonant filters and Passive Massage circuit

This impressive analog EQ offers amazing flexibility. It offers high and low shelf bands you can switch to 12dB/octave high- and lowpass filters with resonance control. There are two bell filters with narrow and wide Q for the midrange frequencies as well as additional passive LC stages (elysia’s proprietary Passive Massage circuit) with shielded coils to refine treble frequencies. This special circuit accents a selected frequency without boosting the complete high-frequency spectrum, which can prevent harshness or an undesirable perceptive shift towards the treble. You simply must hear for yourself how the Passive Massage finesses your high end while bringing out the sparkle!

True stereo operation

Using an analog equalizer on a stereo bus can be a tricky proposition, as very few units offer the possibility of linking their two mono channels for true stereo processing. So you endlessly fiddle with knobs as you endure the tedious task of matching the settings for both channels as effectively as possible. The problem is exacerbated when the EQ does not have stepped controls for reference. The elysia xfilter Mastering Edition solves all these issues.

Computer-selected components for precise channel matching

The market is flooded with compressors that can be linked for stereo operation — why not EQs? The answer is component tolerances. Obviously, you want the two linked channels to behave in exactly the same fashion, but the component tolerances (particularly of potentiometers and capacitors) are not tight enough to accomplish this. With the xfilter Mastering EQ, elysia solves the problem by using computer-selected dual- and quad-layer pots as well as special low-tolerance caps. Mastering engineers at Sweetwater know that every serious mastering studio needs a great analog equalizer. Put the elysia xfilter Mastering Edition EQ to work in your studio — and prepare to be amazed!

elysia xfilter Mastering Edition Features:

  • 4-band stereo analog equalizer with true stereo link
  • High-quality construction, rugged aluminum housing
  • Computer-selected components for precise channel matching
  • Class A topology; gridded potentiometers
  • High and low shelf bands, switchable to:
  • High- and lowpass filters with resonance
  • Two parametric mid bands with switchable Q-Faktor
  • Additional passive high-band LC “Passive Massage” circuit
  • Handcrafted in Germany

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Tech Specs

  • Type: Analog Class A
  • Number of Channels: Stereo
  • Bypass: Hardwire Bypass
  • Number of Bands: 4
  • High Pass Filter: Yes
  • Low Pass Filter: Yes
  • Q Type: Narrow/Wide
  • Boost/Cut Range: ±5dB
  • Freq Range High: 700Hz-28kHz
  • Freq Range Hi-Mid: 300Hz-16kHz
  • Freq Range Lo-Mid: 45Hz-2.2kHz
  • Freq Range Low: 20Hz-900Hz
  • Inputs: 2 x XLR, 2 x 1/4" (L/R)
  • Outputs: 2 x XLR, 2 x 1/4" (L/R), 2 x 1/4" (external out)
  • Frequency Response: 10Hz-400kHz (-3dB)
  • Rack Spaces: 1U
  • Power Source: Standard IEC AC cable
  • Height: 1.75"
  • Depth: 8.66"
  • Width: 19"
  • Weight: 4.23 lbs.
  • Manufacturer Part Number: xfilter Mastering Edition

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Customer Reviews

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Rated 5/5

Smoothest EQ I Own

I fully expected that there would be a 50/50 chance that when I got this, I would try it out and keep it or send it back. I love the Xfilter, but there's a pretty serious price hike for this mastering edition. Combine that with Elysia's questionable choice to put the words "Gain" and "Freq" over the actual gain and frequency levels, and I just wasn't sure this was going to be something I could use after trying it on several mastering projects, even though I knew I'd love the sound.

My final decision is that I'm keeping it. It's simply THE BEST sounding EQ I own. It simultaneously has zero coloration whatsoever, yet somehow adds something to each mix that cannot be achieved in a digital domain. Beyond that, it has found it's place in my chain in an unexpected way, as the final EQ before the limiter after everything else. I find myself using it first, then mixing into it. NOW I understand the benefit of the extra headroom on the mastering edition. I never think about it. It's transparent from top to bottom. Nothing changes in the sound no matter how little or hard I'm pushing into it. That reliability, if you're a mastering engineer, is absolutely key. Elysia nailed it. The detent feels brilliant. And the worry about the values on the knobs interestingly became a non issue after using it for a while. It's still my only criticism. The values should definitely be clear and consistent, and they aren't. But you can very easily figure out where the values are by looking at it, more than I expected.

But OOF that sound. Like glass. Like a glaze. So smooth. You just can't do wrong with it. And the bump on the low end when using it as a low cut is better than my passive EQ... The only EQ that sounds even smoother than this is the zener curve bender, but it's vastly more expensive, and has more color.

This is a brilliant box. I don't think it's for everyone, but in a one unit space and without any fancy design, Elysia has made one of the simplest, yet versatile, elegant, and non-descript secret weapons I've bought. Nice job guys!
Music background: Mix and Mastering Engineer
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