{"product_id":"manley-stereo-variable-mu-mastering-limiter-i-kompresor","title":"Manley STEREO VARIABLE MU Mastering","description":"\u003cdiv lang=\"en\"\u003e\n\u003cp\u003e\u003cstrong\u003eManley Stereo Variable Mu Mastering Version\u003c\/strong\u003e is the valve compressor with every continuous potentiometer replaced by stepped Grayhill switches built with 1% metal film resistors. The audio electronics remain unchanged.\u003c\/p\u003e\n\n\u003ch3\u003eStepped settings instead of potentiometers\u003c\/h3\u003e\n\u003cp\u003eMastering an album means returning to the same setting over several weeks, and a revision a month later has to reproduce it exactly. A continuous knob cannot deliver that: there is always a margin of judgement by eye. In the mastering version every control has detents and a position number, so you write the setting down and come back to it with nothing lost. The same applies to channel matching: left and right are set identically, without trimming against the meters. The 1% metal film resistors on sealed gold Grayhill contacts hold that match after years of use.\u003c\/p\u003e\n\n\u003ch3\u003eThe valve itself as the gain control\u003c\/h3\u003e\n\u003cp\u003eA variable mu circuit has neither a VCA nor an optical cell. Gain changes through the bias voltage of remote cutoff valves, so the reduction is not applied to the signal, it is how the amplifying stage behaves. That produces the characteristic response: the harder you push it, the gentler the curve looks, instead of a hard knee at the threshold. The mode switch gives 1.5:1 in Compress and 4:1 to 20:1 in Limit, attack is continuously variable from 25 to 70 ms, and recovery has five settings: 0.2 s, 0.4 s, 0.6 s, 4 s and 8 s. A high pass filter in the sidechain at -3 dB @ 100 Hz keeps the low end out of the detector so the kick does not drive the whole mix.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMastering version with stepped Grayhill switches\u003c\/li\u003e\n\u003cli\u003e1% metal film resistors on sealed gold contacts\u003c\/li\u003e\n\u003cli\u003eFull recall and exact matching of both channels\u003c\/li\u003e\n\u003cli\u003eTwo channel compressor and limiter with an all-valve path\u003c\/li\u003e\n\u003cli\u003eCompress mode at 1.5:1 and Limit mode from 4:1 to 20:1\u003c\/li\u003e\n\u003cli\u003eAttack continuously variable from 25 to 70 ms\u003c\/li\u003e\n\u003cli\u003eRecovery in five steps: 0.2 s, 0.4 s, 0.6 s, 4 s and 8 s\u003c\/li\u003e\n\u003cli\u003eHigh pass filter in the sidechain at -3 dB @ 100 Hz\u003c\/li\u003e\n\u003cli\u003eManley IRON transformers with nickel laminations\u003c\/li\u003e\n\u003cli\u003eChannel linking for stereo operation\u003c\/li\u003e\n\u003cli\u003eHardwire bypass for comparison against the unprocessed signal\u003c\/li\u003e\n\u003cli\u003eIlluminated Sifam gain reduction meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVariable gain valves: 5670 x2 in the standard version\u003c\/li\u003e\n\u003cli\u003eAmplifying valves: 5751 or 12AX7 x2\u003c\/li\u003e\n\u003cli\u003eOutput valves: 12BH7 x2\u003c\/li\u003e\n\u003cli\u003eSidechain rectifier: 12AL5 x2\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20 Hz to 25 kHz (±0.1 dB)\u003c\/li\u003e\n\u003cli\u003eMaximum gain: 35 dB\u003c\/li\u003e\n\u003cli\u003eMaximum output: +30 dBu with 26 dB of headroom\u003c\/li\u003e\n\u003cli\u003eTHD: below 0.1% at 1 kHz\u003c\/li\u003e\n\u003cli\u003eNoise floor: -85 dB typical\u003c\/li\u003e\n\u003cli\u003eBalanced inputs and outputs, 600 Ohm\u003c\/li\u003e\n\u003cli\u003eControls: stepped Grayhill switches with 1% metal film resistors\u003c\/li\u003e\n\u003cli\u003eDimensions: 19 x 3.5 x 10 inches, 2U; power consumption 80 W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":58444343476556,"sku":"28291","price":5785.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/9854\/1644\/files\/ManleyStereoVariableMuLimiter_Compressor1_cc9fbf56-6582-4cc9-8d6c-d39563de1daa.jpg?v=1786977913","url":"https:\/\/noiseroom.lt\/lt\/products\/manley-stereo-variable-mu-mastering-limiter-i-kompresor","provider":"Noise Room","version":"1.0","type":"link"}