{"product_id":"elysia-xfilter-qube-356187","title":"xfilter qube","description":"\u003ch3\u003eelysia stereo processing in a compact format\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eelysia xfilter 500\u003c\/strong\u003e brings the sonic approach of Class-A equalization to the 500-series modular format. Its principle: to offer musical stereo processing that is flexible enough to shape a signal without multiplying the controls. The left and right channels share the same settings, with component selection designed to maintain consistent response between them.\u003c\/p\u003e\u003cp\u003eIt naturally fits alongside an \u003cstrong\u003expressor\u003c\/strong\u003e, but can also complement another analog processing chain during recording or mixing. Please note the integration requirements: the module requires an elysia qube rack or an API 500-series-compatible rack to operate. This rack is not included.\u003c\/p\u003e\u003ch3\u003eTo add weight, presence and air to your mixes\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003estudio stereo equalizer\u003c\/strong\u003e is aimed at musicians, producers and audio engineers who want to sculpt their signals with physical controls and a musical response. It can rebalance a stereo source, give an ensemble more weight or add openness to the top end.\u003c\/p\u003e\u003cp\u003eIts two Q factors favor broad corrections and targeted but natural boosts. The xfilter 500 is therefore not intended to replace a digital equalizer for removing a resonance on an extremely narrow band. Its ideal applications remain shaping color, tonal balance, punch and the perception of transients.\u003c\/p\u003e\u003ch3\u003eComplementary filters for precise sound shaping\u003c\/h3\u003e\u003ch4\u003eSwitchable shelves with resonant filter modes\u003c\/h4\u003e\u003cp\u003eThe two outer bands initially operate as \u003cstrong\u003elow shelf and high shelf\u003c\/strong\u003e filters. They allow you to adjust the low-end weight and brightness directly. Each band can be independently switched to a high-pass or low-pass filter, with a slope of \u003cstrong\u003e12 dB per octave\u003c\/strong\u003e and a resonance peak at the cutoff frequency.\u003c\/p\u003e\u003cp\u003eThis resonance expands the possibilities beyond simple spectral cleanup. It allows you to emphasize the area close to the cutoff while attenuating the frequencies beyond it. You can therefore combine control of the extremes with emphasis on a specific area, without uniformly boosting an entire section of the spectrum.\u003c\/p\u003e\u003ch4\u003eTwo mid bands with switchable Q\u003c\/h4\u003e\u003cp\u003eThe parametric mid bands offer a choice between \u003cstrong\u003ea broad Q of 0.5 and a narrow Q of 1.0\u003c\/strong\u003e, based on a proportional-Q design. The broad setting is suited to gradual balance changes\u0026#59; the narrower setting focuses the action more closely on the selected area. Both behaviors remain geared toward musical rather than surgical equalization.\u003c\/p\u003e\u003ch4\u003ePassive finishing for the high frequencies\u003c\/h4\u003e\u003cp\u003eIn addition to the four active bands, a \u003cstrong\u003efixed, switchable passive LC filter\u003c\/strong\u003e adds another texture to the highs. Its slight resonance peak at 12 kHz is accompanied by attenuation starting at 17 kHz. The inductor's action is thus concentrated around this area, adding openness without indiscriminately boosting the entire high-frequency range.\u003c\/p\u003e\u003cp\u003eThe inductors have their own shielding to limit the influence of external fields, hum and unwanted noise. This stage provides accessible sonic finishing at the press of a button, making it easy to compare according to the needs of the track.\u003c\/p\u003e\u003ch4\u003eA design focused on stereo consistency\u003c\/h4\u003e\u003cp\u003eIn an equalizer with coupled controls, component matching is crucial. The gain potentiometers have two sections, while the frequency potentiometers have four. To reduce channel-to-channel deviations, each potentiometer is measured and then selected using \u003cstrong\u003eAudio Precision\u003c\/strong\u003e equipment and dedicated computer routines. Computer-selected film capacitors also contribute to this precision.\u003c\/p\u003e\u003cp\u003eThe stepped controls make it easy to recall settings. The circuit boards feature four layers, including one dedicated to ground shielding positioned close to the audio traces. This construction protects the filter networks from electrical interference, particularly when their impedance increases at the lowest frequency settings.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cstyle\u003e@media(max-width:632px){table[data-wb-spec]{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}table[data-wb-spec] colgroup{display:none}table[data-wb-spec] tbody,table[data-wb-spec] tr{display:contents}table[data-wb-spec] td{display:block;overflow-wrap:anywhere;grid-row:var(--wb-l);background-color:var(--wb-lb)}table[data-wb-spec] td[data-r]{grid-row:var(--wb-r);background-color:var(--wb-rb)}table[data-wb-spec] td[colspan=\"2\"]{grid-column:1\/-1}table[data-wb-spec] td:empty{display:none}}\u003c\/style\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:1;--wb-r:4;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eFrequency response - start\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e20 Hz\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eNumber of channels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e2\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:2;--wb-r:5;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eFrequency response - end\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e22 kHz\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eEQ\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e4 channels\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:3;--wb-r:6;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eequalizer\u003c\/td\u003e\u003ctd data-r colspan=\"2\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003c\/colgroup\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:1;--wb-r:14;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e500-series stereo analog equalizer.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eNoise level, from 20 Hz to 20 kHz, A-weighted\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e-98 dBu.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:2;--wb-r:15;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e100% Class-A.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eDynamic range, from 20 Hz to 22 kHz\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e120 dB.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:3;--wb-r:16;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003etwo, with a shared set of controls.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eMaximum input level\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e+21 dBu.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:4;--wb-r:17;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eActive equalization\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003efour bands.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eMaximum output level\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e+21 dBu.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:5;--wb-r:18;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eOuter bands\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003elow shelf and high shelf, independently switchable to resonant high-pass and low-pass filters.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e10 kOhm.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:6;--wb-r:19;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eHigh-pass and low-pass filter slope\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e12 dB per octave.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eOutput impedance\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e68 Ohm.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:7;--wb-r:20;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eResonance\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eadditional peak at the cutoff frequency.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eFour-layer printed circuit boards\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003etwo for audio, one for the power supply and one for ground shielding.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:8;--wb-r:21;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eMid bands\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003etwo parametric filters with switchable Q and proportional-Q operation.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eManufacturing\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eGermany.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:9;--wb-r:22;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eQ values\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0.5 in wide mode and 1.0 in narrow mode.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eDimensions of the 500 module\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e76.2 x 152.4 x 134.6 mm.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:10;--wb-r:23;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eAdditional filter\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eswitchable fixed passive LC stage with individually shielded inductors.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eDimensions of the qube\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e101.6 x 188 x 134.6 mm.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:11;--wb-r:24;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePassive filter response\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003eslight peak at 12 kHz, attenuation begins at 17 kHz.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eWeight of the 500 module\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0.5 kg.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:12;--wb-r:25;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTHD+N at 0 dBu, from 20 Hz to 22 kHz\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0.0018%.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eWeight of the qube\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e1.4 kg.\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:transparent;--wb-l:13;--wb-r:26;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTHD+N at +10 dBu, from 20 Hz to 22 kHz\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e0.005%.\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eModule operation\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003erequires an elysia qube or compatible API 500-series rack, not included.\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Elysia","offers":[{"title":"Default Title","offer_id":54358968074515,"sku":"356187","price":999.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0872\/6803\/files\/a2353c0cdf5e5f21ad7780641b306c82fb3fae5f_xfilter_qube_left.jpg?v=1793041275","url":"https:\/\/woodbrass.shop\/products\/elysia-xfilter-qube-356187","provider":"Woodbrass.com","version":"1.0","type":"link"}