{"product_id":"sugden-masterclass-ia-4-integrated-amplifier","title":"Sugden Masterclass IA-4 Integrated Amplifier","description":"Masterclass IA-4 Integrated Amplifier\u003cbr\u003e\nThe IA-4 is Sugdens flagship and most popular integrated amplifier. Weighing a substantial 20 kilos the IA-4 has a purposeful look and impressive build quality. Plenty of input and output facilities are on offer including a high quality phono stage. The class A power output circuit has been upgraded from the A21 series with a larger power supply and improved smoothing and output capacitors. Gold plated circuit boards, full relay switching and a precision input selector switch offer further detailing. The pre-amplifier section of the IA-4 is a bespoke design, with surprising clarity and detail.  The most noticeable feature is the ability to create a large performance with depth and height on any type of music.\u003cbr\u003e\u003cbr\u003e\n\n​Facilities:\u003cbr\u003e\nInputs ​                                  Three line level, tape, MM phono, balanced\u003cbr\u003e\nOutputs                                Variable pre-out, fixed out, loudspeaker out\u003cbr\u003e\nVolume Control                    Remote control RC5 compatible\u003cbr\u003e\nTape                                     Monitor and record off\u003cbr\u003e\u003cbr\u003e\n​Specifications:\u003cbr\u003e\nLine Input sensitivity            125mV\u003cbr\u003e\nPhono Input Sensitivity        2mV (MM)\u003cbr\u003e\nPower Output                       33 Watts per channel\u003cbr\u003e\nFrequency Response           +\/-1dB 14Hz-200kHz\u003cbr\u003e\nBandwidth                            6Hz-300kHz\u003cbr\u003e\nSignal to Noise                     \u0026gt;84dB\u003cbr\u003e\nGross Weight  (packed)        20kgs\u003cbr\u003e\nDimensions                         165 x 430 x 440mm (hwd)","brand":"Sugden","offers":[{"title":"Titanium","offer_id":57407155536204,"sku":"SMCLASSINT","price":5558.33,"currency_code":"GBP","in_stock":true},{"title":"Graphite","offer_id":57415868219724,"sku":"SUGDENMIA4G","price":5558.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/smasterclassint.jpg?v=1777454990","url":"https:\/\/www.stoneaudio.co.uk\/products\/sugden-masterclass-ia-4-integrated-amplifier","provider":"Stone Audio","version":"1.0","type":"link"}