{"product_id":"audio-research-ls-5-mkii-preamplifier-consignment","title":"Audio Research LS-5 MkII Preamplifier - Consignment","description":"\u003ch2\u003eAudio Research LS-5 MkII Preamplifier - Consignment\u003c\/h2\u003e\n\u003cp\u003eCondition: Used. Some marks and scratches (See photos)\u003c\/p\u003e\n\u003cp\u003eIncludes: Original box only, remote not included\u003c\/p\u003e\n\u003cp\u003eSN: 14166002\u003c\/p\u003e\n\u003cp\u003eIncludes 7 day warranty\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Audio Research LS-5 MkII is a fully balanced vacuum tube line-stage preamplifier pairing four matched 6922 dual-triode valves with a solid state power supply.\u003c\/p\u003e\n\u003cp\u003eThe low output impedance and strong drive maintain signal integrity when using long length balanced interconnects.\u003c\/p\u003e\n\u003cp\u003eThe high-voltage, fully regulated power supply has been well isolated and extensively grounded.\u003c\/p\u003e\n\u003cp\u003eLS-5's attenuation is controlled via an analogue volume circuit of precision relay switches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eFrequency response: ±0.5dB, 1Hz to 200kHz, -3dB points below 0.1Hz and above 600kHz.\u003cbr\u003eDistortion: Less than 0.005% at 2V RMS output (typically less than 0.003% in the midband).\u003cbr\u003eGain (Balanced Differential): Main output: 30dB\/12dB switchable. Tape output: 0dB.\u003cbr\u003eInput impedance: 200kΩ balanced.\u003cbr\u003eInputs (6): Tuner, video, phono, CD, aux, tape (XLR connectors).\u003cbr\u003eOutput impedance: 400Ω balanced main (2), 20kΩ minimum load and 2000pF maximum capacitance.\u003cbr\u003eOutputs (3): 2 main, 1 tape (XLR connectors).\u003cbr\u003eMaximum input: 20V maximum.\u003cbr\u003eRated outputs: 2V RMS, 1Hz to 100kHz into a 100kΩ balanced load (maximum balanced output capability is 50V RMS at less than 0.5% THD at 1kHz).\u003cbr\u003eControls: Gain (quad detented), input selector. Toggle switches: Power\/off, +30\/+12dB gain, monitor\/source, mute\/operate.\u003cbr\u003ePower supplies: Electronically regulated low and high voltage supplies. Automatic 45-second warm-up\/brown-out mute. Toroidal power transformer. Line regulation better than 0.01%.\u003cbr\u003eNoise: 12µV RMS residual IHF-weighted balanced noise output with gain control at minimum, 12dB gain selected (104dB below 2V RMS output).\u003cbr\u003eTube complement: 10 × 6922\/E88CC dual triodes (vacuum tube audio circuit, solid-state power supply).\u003cbr\u003ePower requirements: 100–135VAC 60Hz (200–270VAC 50\/60Hz), 100W maximum.\u003cbr\u003eDimensions: 48cm W x 13.4cm H x 29.8cm D. Handles extend 3.8cm forward of the front panel. Rear chassis fittings extend 2.3cm.\u003cbr\u003eWeight: 8.6kg\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eAUDIO CONNECTION QUALITY GUARANTEE \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e✔️ Seven day warranty on Consignment*\u003cbr\u003e✔️Passed our checks for functionality \u003cbr\u003e✔️A full inspection noting for any defects\u003cbr\u003e✔️A full completeness check for all included parts and accessories\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":48241509433531,"sku":null,"price":2900.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2788\/2378\/files\/audio-research-ls5mk2-preamp-front_compressed.jpg?v=1786688471","url":"https:\/\/audioconnection.com.au\/products\/audio-research-ls-5-mkii-preamplifier-consignment","provider":"Audio Connection","version":"1.0","type":"link"}