{"product_id":"spl-crescendo-8-channel-microphone-preamplifier","title":"SPL Crescendo 8 Channel Microphone Preamplifier","description":"\u003cp\u003e\u003cstrong\u003eSPL Crescendo 8 Channel Microphone Preamplifier Overview:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Crescendo is the first microphone preamplifier that works with an internal operating voltage of 120V and breaks new ground.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eThe Undistortable\u003c\/strong\u003e\u003cbr\u003eImagine a microphone preamplifier with such a wide dynamic range and high overload resistance that the entire dynamic range of the microphone can be recorded without any limitations.\u003cbr\u003e\u003cbr\u003eImagine that the preamplification electronics themselves have no effect on the sound and you rediscover the sound of your \u003ca data-lwsa=\"eyJhdXRvbGluayI6dHJ1ZSwiYXV0b19pZCI6IjI1NzMyIn0=\" href=\"https:\/\/www.bajaao.com\/collections\/microphones\" target=\"_blank\" rel=\"noopener\" title=\"microphones\"\u003emicrophones\u003c\/a\u003e. With absolute signal fidelity and clarity. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVU -10\u003c\/strong\u003e\u003cbr\u003eIn the Crescendo, high gains can be used to optimally drive subsequent AD converters. Should the VU meter therefore deflect too far, you can reduce the displayed level by 10 dB.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e48 V\u003c\/strong\u003e\u003cbr\u003eThe phantom power required for the use of \u003ca data-lwsa=\"eyJhdXRvbGluayI6dHJ1ZSwiYXV0b19pZCI6IjI1NzQ5In0=\" href=\"https:\/\/www.bajaao.com\/collections\/condenser-microphones\" target=\"_blank\" rel=\"noopener\" title=\"condenser microphones\"\u003econdenser microphones\u003c\/a\u003e is activated with the 48V switch.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eØ\u003c\/strong\u003e\u003cbr\u003eTurn the polarity of a microphone signal 180° by activating the polarity reversal switch.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePad\u003c\/strong\u003e\u003cbr\u003eFor loud input signals (including line signals) the input sensitivity can be reduced by 20 dB.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMic Gain\u003c\/strong\u003e\u003cbr\u003eThe gain is adjusted by a 12-step switch. The pre-amplification ranges from +18 dB to +70 dB.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInputs 1 – 8\u003c\/strong\u003e\u003cbr\u003eThe input differential amplifiers are constructed with pairs of transistors, each of which is combined in a housing. Precise matching of the transistors and thermal coupling ensure high common-mode rejection and extremely low THD values.\u003cbr\u003e\u003cbr\u003eThe choice of transistors and resistors has a decisive influence on the sound. In countless listening sessions the optimal components for Crescendo were selected – the effort was worth it!\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOutputs 1 – 8\u003c\/strong\u003e\u003cbr\u003eOur 120V SUPRA operational amplifiers work as current amplifiers, which also offer pure class A operation with over 6mA quiescent current. We largely dispense with coupling capacitors in order to avoid their sonic disadvantages (diffuse, sloping, loss of dynamics). In order to eliminate DC voltage components nevertheless, active servo circuits are used.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAlternate DB25 Output\u003c\/strong\u003e\u003cbr\u003eFor fast cabling to multi-channel converters, Crescendo offers DB25 connection.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog inputs \u0026amp; output; XLR (balanced)\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum input \u0026amp; output gain: 32.5 dBu\u003c\/li\u003e\n\u003cli\u003eInput impedance: 10 kΩ\u003c\/li\u003e\n\u003cli\u003eOutput impedance: 75 Ω\u003c\/li\u003e\n\u003cli\u003eFrequency range (-3 dB): 20 Hz – 70 kHz\u003c\/li\u003e\n\u003cli\u003eTHD + N (10 Hz – 22 kHz, 30 dBu): 0.008 %\u003c\/li\u003e\n\u003cli\u003eNoise (A-weighted, 150 Ω, 30dB Gain): -87.5 dBu\u003c\/li\u003e\n\u003cli\u003eNoise (A-weighted, 150 Ω, 60dB Gain): -69.7 dBu\u003c\/li\u003e\n\u003cli\u003eE.I.N. (150 Ω): -129.7 dBu\u003c\/li\u003e\n\u003cli\u003eCommon mode rejection (1 kHz): 80 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Linear Power Supply with Shielded Toroidal Transformer\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating voltage for analog audio: +\/- 60 V\u003c\/li\u003e\n\u003cli\u003eOperating voltage for relays and LEDs: + 12 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMains Power Supply\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMains voltage (selectable, see fuse chamber): 230 V AC \/ 50; 115 V AC \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003eFuse for 230 V: T 1.6 A\u003c\/li\u003e\n\u003cli\u003eFuse for 115 V: T 3.15 A\u003c\/li\u003e\n\u003cli\u003ePower consumption: 230 V: 60 W, 115 V: 80 W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eW x H x D (width x height incl. feet x depth):\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e482 x 132 x 300 mm\u003c\/li\u003e\n\u003cli\u003e19 x 5.2 x 11.8 inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eUnit weight:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e9.5 kg\u003c\/li\u003e\n\u003cli\u003e20.94 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003eShipping weight (incl. packaging):\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e12.25 kg\u003c\/li\u003e\n\u003cli\u003e27.01 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Germany\u003c\/strong\u003e\u003c\/p\u003e","brand":"SPL","offers":[{"title":"Default Title","offer_id":41142088532147,"sku":"SPL-CRESCENDO","price":517505.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/6821\/files\/spl-pre-amps-spl-crescendo-8-channel-microphone-preamplifier-30648949637299.jpg?v=1687189730","url":"https:\/\/www.bajaao.com\/products\/spl-crescendo-8-channel-microphone-preamplifier","provider":"BAJAAO.COM","version":"1.0","type":"link"}