{"product_id":"heritage-audio-lang-silverr-47","title":"Heritage Audio LANG Silverr 47","description":"\u003cdiv lang=\"en\"\u003e  \n\u003cp\u003e\u003cstrong\u003eHeritage Audio LANG Silverr 47\u003c\/strong\u003e is a dual-channel, all-tube microphone and instrument preamp inspired by the legendary 1960s British studio sound. Each channel features a NOS 6AU6 input pentode and a JJ E88CC output tube, paired with custom-made LANG input and output transformers. This combination delivers rich harmonic coloration, musical saturation and a powerful, vintage-influenced tone suitable for vocals, instruments and line sources.\u003c\/p\u003e  \n\u003cp\u003eThe stepped gain control provides increments of 6 dB from +22 dB to +52 dB, along with a special “NFB” (No Feedback) mode that introduces increased harmonic distortion for creative coloration and analogue-style drive. Front-panel controls include mic input, DI input, –20 dB pad, 48 V phantom power, phase inversion and an 80 Hz high-pass filter, allowing flexible use in a wide range of recording scenarios.\u003c\/p\u003e  \n\u003cp\u003eThe Silverr 47 features transformer-balanced outputs and a stepped output attenuator for precise level control. Housed in a robust 2U 19″ chassis, it is built for demanding studio environments where reliability, tonal character and high-end tube performance are essential.\u003c\/p\u003e  \n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e  \n\u003cul\u003e  \n\u003cli\u003eDual-channel all-tube preamp (NOS 6AU6 + JJ E88CC per channel)\u003c\/li\u003e  \n\u003cli\u003eCustom LANG input and output transformers\u003c\/li\u003e  \n\u003cli\u003eStepped gain: +22 to +52 dB in 6 dB increments\u003c\/li\u003e  \n\u003cli\u003eUnique NFB mode for enhanced harmonic saturation\u003c\/li\u003e  \n\u003cli\u003eFront DI input, –20 dB pad, 48 V phantom power, phase reverse, 80 Hz high-pass filter\u003c\/li\u003e  \n\u003cli\u003eTransformer-balanced outputs with stepped output level control\u003c\/li\u003e  \n\u003cli\u003eDesigned for classic tube clarity or rich, driven saturation\u003c\/li\u003e  \n\u003c\/ul\u003e  \n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e  \n\u003cul\u003e  \n\u003cli\u003eInput Impedance (Mic): approx. 1.5 kΩ, transformer balanced\u003c\/li\u003e  \n\u003cli\u003eLine Input Impedance: approx. 10 kΩ, transformer balanced\u003c\/li\u003e  \n\u003cli\u003eDI Input Impedance: \u0026gt;2 kΩ, unbalanced\u003c\/li\u003e  \n\u003cli\u003eOutput Impedance: \u0026lt;200 Ω, transformer balanced\u003c\/li\u003e  \n\u003cli\u003eGain Range: +22 to +52 dB; NFB mode adds additional saturation\u003c\/li\u003e  \n\u003cli\u003eFrequency Response: 20 Hz – 20 kHz (±0.5 dB)\u003c\/li\u003e  \n\u003cli\u003eTHD: typically \u0026lt;0.2% in normal mode; up to ~1% in NFB mode\u003c\/li\u003e  \n\u003cli\u003eDimensions: approx. 481 × 88 × 211 mm (2U, 19″ rack)\u003c\/li\u003e  \n\u003cli\u003eWeight: approx. 5.6 kg\u003c\/li\u003e  \n\u003c\/ul\u003e  \n\u003c\/div\u003e\n","brand":"Heritage Audio","offers":[{"title":"Default Title","offer_id":58444635996492,"sku":"57209","price":1099.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/9854\/1644\/files\/HeritageAudioLANGSilverr471.jpg?v=1786980223","url":"https:\/\/noiseroom.lt\/lt\/products\/heritage-audio-lang-silverr-47","provider":"Noise Room","version":"1.0","type":"link"}