{"product_id":"rotel-a8-integrated-amplifier-wharfedale-diamond-12-1i-bookshelf-speakers","title":"Rotel A8 Integrated Amplifier with Wharfedale Diamond 12.1i Bookshelf Speakers","description":"\u003ch2\u003eRotel A8 Integrated Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe Rotel A8 Integrated Amplifier combines power, efficiency and value in a compact package. At its centre is a high-current, Rotel-made toroidal power transformer, delivering 40 watts per channel of Class AB power into 4 ohms from a chassis with a front panel just 60mm tall.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e30W per channel into 8Ω, 40W per channel into 4Ω, Class AB\u003c\/li\u003e\n\u003cli\u003eHigh-current toroidal transformer, made in-house by Rotel\u003c\/li\u003e\n\u003cli\u003eMoving magnet phono stage plus three line-level RCA inputs\u003c\/li\u003e\n\u003cli\u003eFront panel 3.5mm headphone output\u003c\/li\u003e\n\u003cli\u003eBass, treble and balance controls, with a selectable LED indicator colour\u003c\/li\u003e\n\u003cli\u003eIR remote with transport controls for Rotel CD players\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHigh-efficiency output transistors keep deep bass under control and maintain composure at all listening levels.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Rotel_A8_Internal_Top_Down.jpg?v=1722502438\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eConnectivity and Control\u003c\/h3\u003e\n\u003cp\u003eThe A8 has three line-level RCA inputs for analogue sources, plus a moving magnet (MM) phono stage for connecting a turntable directly. It is an analogue-only design, with no digital inputs or Bluetooth.\u003c\/p\u003e\n\u003cp\u003eA front panel 3.5mm headphone output is included for private listening.\u003c\/p\u003e\n\u003cp\u003eThe supplied IR remote controls volume and source selection from your listening position, and also includes transport controls for Rotel CD players.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hg3XA2O4JzM?si=aWUyKsY_hla14yW5\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003ePersonalisation and Flexibility\u003c\/h3\u003e\n\u003cp\u003eThe A8's LED volume indicator can be set to red, green, blue or purple. The front panel includes bass, treble and balance controls, and 5-way binding posts on the rear panel provide flexible connection to your loudspeakers.\u003c\/p\u003e\n\u003cp\u003eThe A8 is available in black or silver.\u003c\/p\u003e\n\n\u003ch2\u003eWharfedale Diamond 12.1i Bookshelf Speakers\u003c\/h2\u003e\n\u003cp\u003eSince its launch in 2020, the Wharfedale Diamond 12 Series has been widely regarded as a benchmark for performance and value among affordable hi-fi speakers, collecting a number of awards and positive reviews along the way. The Diamond 12i Series updates it with new finishes and a set of targeted acoustic refinements, while keeping the fundamentals of the original design.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_lifestyle.jpg?v=1783069003\"\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e130mm Klarity polypropylene\/mica mid\/bass cone\u003c\/li\u003e\n\u003cli\u003e25mm woven polyester dome tweeter\u003c\/li\u003e\n\u003cli\u003eRevised bass port tuning and internal damping\u003c\/li\u003e\n\u003cli\u003eLinkwitz-Riley crossover with air-core inductors\u003c\/li\u003e\n\u003cli\u003eMulti-layer cabinet construction with spot bracing\u003c\/li\u003e\n\u003cli\u003eAvailable in Deep Black, Classic Walnut and Stone Grey\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRefined, Not Reinvented\u003c\/h3\u003e\n\u003cp\u003eRather than reinventing the Diamond 12, Wharfedale's in-house team has concentrated on refining it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_colours.jpg?v=1783069548\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe series is available in three new finishes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Black:\u003c\/strong\u003e a semi-matte black finish with a clean, contemporary look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Walnut with Semi-Matte Black Baffle:\u003c\/strong\u003e natural walnut paired with a contrasting black front baffle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Grey:\u003c\/strong\u003e a semi-matte grey suited to minimalist interiors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRevised Bass Port and Damping\u003c\/h3\u003e\n\u003cp\u003eAlongside the new finishes, Wharfedale's engineering team revisited the speaker's internals, concentrating on bass port tuning, airflow control and internal damping. The aim is clearer, better-controlled bass, particularly in real-world rooms.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_port_tuning.jpg?v=1783069002\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe port redesign was led by Wharfedale's Director of Acoustic Design, Peter Comeau, with senior engineers Dan Bailey Ornellas and Oliver Davies. Development took several months and used laser interferometry, anechoic and in-room measurements, and computational fluid dynamics (CFD) to analyse airflow and pressure within the port, alongside hundreds of hours of listening tests. The result is tighter, more articulate bass, a smoother transition between the low and mid frequencies, and more consistent performance across a range of placements, while retaining the neutral balance of the original Diamond 12.\u003c\/p\u003e\n\u003ch3\u003eKlarity Cone Technology\u003c\/h3\u003e\n\u003cp\u003eThe Diamond 12i's mid\/bass cones are unchanged, and are made from Klarity, Wharfedale's blend of polypropylene and mica. The result is a lightweight, stiff and well-damped cone with low distortion, giving natural dynamics and precise transient response.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_klarity.jpg?v=1783069003\"\u003e\u003c\/p\u003e\n\u003cp\u003eA low-damping surround improves the cone's efficiency and dynamic range, while ribbed shaping and profile simulation help maintain a smooth, linear frequency response.\u003c\/p\u003e\n\u003ch3\u003eMagnet Assembly\u003c\/h3\u003e\n\u003cp\u003eEach mid\/bass driver uses a magnet system with an aluminium compensation ring, which reduces the effect of inductance changes as the voice coil moves. This minimises intermodulation and distortion from the motor system.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_advanced_magnet_assmebly.jpg?v=1783069002\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe voice coil is wound on an epoxy\/glass fibre bobbin, which offers greater power handling, thermal stability and structural strength than the materials typically used at this price.\u003c\/p\u003e\n\u003ch3\u003e25mm Textile Dome Tweeter\u003c\/h3\u003e\n\u003cp\u003eHigh frequencies are handled by a 25mm woven polyester dome with a high-loss damping coating, giving an extended, smooth treble response. The front plate has a flat profile and minimal waveguide to improve dispersion and output, resulting in clear, natural high frequencies with good off-axis performance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_tweeter.jpg?v=1783069002\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCrossover Components\u003c\/h3\u003e\n\u003cp\u003eThe crossover uses a Linkwitz-Riley design with air-core inductors, components more commonly found in higher-end speakers. The network is tuned for minimal phase shift and smooth integration between the drivers.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_crossover.jpg?v=1783069003\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe mid\/bass driver's magnet structure has been modified to account for the resistance of these inductors, keeping bass fast and clean.\u003c\/p\u003e\n\u003ch3\u003eLow-Resonance Cabinet\u003c\/h3\u003e\n\u003cp\u003eEach enclosure uses a multi-layered sandwich construction to reduce panel resonance and distortion. Even the adhesive between the layers has been acoustically tested to optimise damping.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_assembly.jpg?v=1783069002\"\u003e\u003c\/p\u003e\n\u003cp\u003eInside, computer-modelled spot braces connect opposite cabinet walls, reducing vibration without transferring it from one panel to another.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/Wharfedale_Diamond_12.2i_Bookshelf_Speakers_series.jpg?v=1783069002\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRotel A8 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30W per channel (8Ω)\u003cbr\u003e40W per channel (4Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.03%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLine level inputs: 10Hz – 100kHz, -0.5dB\/+0dB\u003cbr\u003ePhono input: 20Hz – 20kHz, -0.5dB\/+0dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal-to-Noise Ratio (IHF A-Weighted):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLine level inputs: 90dB\u003cbr\u003ePhono input: 80dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 × line-level RCA\u003cbr\u003e1 × moving magnet phono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeadphone Output:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5mm (front panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V, 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Power Consumption:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBTU Rating (4Ω, 1\/8 Power):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e340 BTU\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e430 × 73 × 347mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Panel Height:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinishes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.8kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWharfedale Diamond 12.1i Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-way bookshelf speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBass reflex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBass Driver:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130mm (5in) Klarity polypropylene\/mica cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTreble Driver:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm (1in) woven polyester dome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAV Shield:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (2.83V @ 1m):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Amplifier Power:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 – 100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak SPL:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Impedance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response (±3dB):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65Hz – 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBass Extension (-6dB):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrossover Frequency:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.6kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCabinet Volume:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.2 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinishes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDeep Black, Classic Walnut, Stone Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H × W × D):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e312 × 180 × 250mm\u003cbr\u003eDepth including grille and terminals: 278mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8kg per speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Rotel","offers":[{"title":"Black \/ Black","offer_id":56950124478850,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Walnut","offer_id":56950124511618,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Grey","offer_id":56950124544386,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Black","offer_id":56950124577154,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Walnut","offer_id":56950124609922,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Grey","offer_id":56950124642690,"sku":null,"price":579.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2792\/5768\/files\/RotelA8BlackWharfedaleDiamond12.1iBlack.jpg?v=1790593718","url":"https:\/\/dougbradyhifi.com\/products\/rotel-a8-integrated-amplifier-wharfedale-diamond-12-1i-bookshelf-speakers","provider":"Doug Brady HiFi","version":"1.0","type":"link"}