{"product_id":"line-magnetic-lm-845ia-vollverstaerker","title":"Line Magnetic LM-845IA Tube Integrated Amplifier","description":"\u003cp\u003eThe Line Magnetic LM-845IA is a single-ended integrated amplifier in pure Class A with two 845 tubes and 2×22 watts of output power.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the LM-845IA?\u003c\/h2\u003e\n\u003cp\u003eThe 845 is one of the largest common triodes used in tube amplifier building. The LM-845IA is the evolution of the older LM-518 and brings this tube into a modern chassis with point-to-point wiring and a bias display with a genuine ammeter.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you hear\u003c\/h2\u003e\n\u003cp\u003eOne review describes the LM-845IA as initially showing \"a slight sharpness in the upper midrange\" that settled down \"after a few hours of operation\" (HiFi-Advice, Christiaan Punter, 2018) – after break-in, a balanced, powerful 845 sound.\u003c\/p\u003e\n\n\u003ch3\u003eWho is the LM-845IA for? (and who it isn't)\u003c\/h3\u003e\n\u003cp\u003eFor listeners willing to give the 845 tube its break-in time and who run efficient to medium-sensitivity speakers. Straight talk: plan the first few days as a break-in phase instead of taking the very first listening impression as a final verdict.\u003c\/p\u003e\n\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eAn honest entry into the large 845 tube, with a documented but manageable break-in period.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCircuit design: tube integrated amplifier, single-ended, pure Class A\u003c\/li\u003e\n\u003cli\u003eOutput power: 2× 22 W\u003c\/li\u003e\n\u003cli\u003eTube complement: 2× 845, 2× 12AX7, 2× 6P3P, 1× 5AR4 (rectifier)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 10 Hz – 50 kHz (-1.5 dB)\u003c\/li\u003e\n\u003cli\u003eTHD: 1% (1 kHz)\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 87 dB (A-weighted)\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 220 mV\u003c\/li\u003e\n\u003cli\u003eInput impedance: 100 kΩ\u003c\/li\u003e\n\u003cli\u003eSpeaker outputs: 4 Ω \/ 8 Ω \/ 16 Ω\u003c\/li\u003e\n\u003cli\u003eInputs: 3× RCA (line), 1× Pre-In\u003c\/li\u003e\n\u003cli\u003eDimensions (W×H×D): 365 × 250 × 340 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 35 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDoes the LM-845IA need a break-in period?\u003c\/h3\u003e\n\u003cp\u003eYes. According to the specialist press, an initial sharpness in the upper midrange settles down after a few hours of operation – give the unit a few days of regular use.\u003c\/p\u003e\n\u003ch3\u003eDoes the LM-845IA have a headphone output?\u003c\/h3\u003e\n\u003cp\u003eNo.\u003c\/p\u003e\n\u003ch3\u003eIs the LM-845IA the successor to the LM-518?\u003c\/h3\u003e\n\u003cp\u003eYes, according to the manufacturer it's a quality overhaul of the earlier LM-518 amplifier with the same tube philosophy.\u003c\/p\u003e\n\u003ch3\u003eHow heavy is the LM-845IA?\u003c\/h3\u003e\n\u003cp\u003e35 kg – a sturdy spot to place it is recommended.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the LM-845IA at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eWe accompany you through the break-in period and advise you on speakers that suit the 845 tube – we're here for you even after the purchase.\u003c\/p\u003e\n\n\u003ch2\u003ePairs well with\u003c\/h2\u003e\n\u003cp\u003eEfficient speakers from our \u003ca href=\"\/en-ch\/collections\/lautsprecher\"\u003espeaker collection\u003c\/a\u003e get the best out of the 845 tube.\u003c\/p\u003e","brand":"Line Magnetic","offers":[{"title":"Default Title","offer_id":53543715340624,"sku":null,"price":3999.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/line-magnetic-lm-845ia-roehren-vollverstaerker-frontansicht.jpg?v=1788527631","url":"https:\/\/hdzuerisee.ch\/en-ch\/products\/line-magnetic-lm-845ia-vollverstaerker","provider":"HD Zürisee AG","version":"1.0","type":"link"}