{"product_id":"accuphase-a-48s-class-a-stereo-power-amplifier","title":"Accuphase A-48S Class-A Stereo Power Amplifier","description":"\u003ch3\u003ePure Power, Refined Performance\u003c\/h3\u003e\u003cp\u003eThe Accuphase A-48S is a powerhouse amplifier designed to deliver exceptional performance in high-end audio systems. With its robust construction and advanced circuitry, the A-48S offers a level of control and authority that is second to none.\u003c\/p\u003e\u003cp\u003eAt the heart of the A-48S lies a fully balanced Class-A amplifier circuit, ensuring exceptional linearity and low distortion. The amplifier's power supply is meticulously designed to provide clean, stable energy, even during demanding listening sessions. The result is a sound that is both powerful and refined, capable of driving even the most demanding speakers with ease.\u003c\/p\u003e\u003cp\u003eThe A-48S incorporates state-of-the-art technologies to create a Class A power amplifier that delivers superb performance. Benefitting from years of ideal designs of high-performance units, the A-48S utilizes 6-parallel pull-push power MOS-FETs and boasts an output of 50 W into 8 ohms, 100 W into 4 ohms, 200 W into 2 ohms, and 400 W into 1 ohm at the same size as conventional models. The noise level has also been further reduced by 6%, while providing a damping factor of 1,000. The A-48S will bring the best out of any speaker, enabling you to enjoy unparalleled sound quality and expansiveness.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClass-A power output: 50W\/8Ω, with up to 400W\/1Ω for dynamic and demanding music passages.\u003c\/li\u003e\n\u003cli\u003e6-parallel MOS-FET output stages for stable, distortion-free power across various speaker loads.\u003c\/li\u003e\n\u003cli\u003eUltra-low noise with an S\/N ratio of 118dB, ensuring a crystal-clear and detailed soundstage.\u003c\/li\u003e\n\u003cli\u003eSuper high damping factor of 1000, allowing for precise control of speaker drivers and delivering tight, controlled bass.\u003c\/li\u003e\n\u003cli\u003eComprehensive protection systems, including short-circuit protection and temperature sensors, ensuring long-term reliability and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eContinuous Average Output Power (20–20,000 Hz):\u003c\/strong\u003e Stereo operation (both channels driven) - 400 watts per channel into 1 ohm, 200 watts per channel into 2 ohms, 100 watts per channel into 4 ohms, 50 watts per channel into 8 ohms. Monophonic operation (bridged connection) - 800 watts into 2 ohms, 400 watts into 4 ohms, 200 watts into 8 ohms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e Stereo operation (both channels driven) - 0.05% with 2 ohm load, 0.03% with 4 to 16 ohm load. Monophonic operation (bridged connection) - 0.05% with 4 to 16 ohm load\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIntermodulation Distortion:\u003c\/strong\u003e 0.01%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e At rated output: 20 – 20,000 Hz +0, -0.2 dB. At 1 watt output: 0.5 – 160,000 Hz +0, -3.0 dB\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGain:\u003c\/strong\u003e 28.0 dB (with GAIN selector at MAX) (Stereo and monophonic operation)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGain Selection:\u003c\/strong\u003e MAX, -3 dB, -6 dB, -12 dB\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOutput Load impedance:\u003c\/strong\u003e Stereo operation - 2 to 16 ohms. Monophonic operation: 4 to 16 ohms\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDamping Factor:\u003c\/strong\u003e 1000\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e Balanced - 40 kilohms. Line - 20 kilohms\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSignal-to-Noise Ratio (A-weighted, input shorted):\u003c\/strong\u003e 118 dB (GAIN selector at MAX), 123 dB (GAIN selector at -12 dB) At rated continuous average output\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOutput Level Meters:\u003c\/strong\u003e -60 dB to +3 dB (indication in dB and %) Logarithmic scale. Operation selector: OFF \/ NORMAL \/ HOLD. Meter sensitivity selector (-20 dB). Monophonic operation: same value displayed for left\/right.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e AC 120 V\/230 V, 50\/60 Hz (Voltage as indicated on rear panel)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 200 watts idle\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMaximum Dimensions:\u003c\/strong\u003e Width 465 mm, Height 211 mm, Depth 464 mm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMass:\u003c\/strong\u003e 34.8 kg\u003c\/p\u003e","brand":"Accuphase","offers":[{"title":"Default Title","offer_id":41223643562066,"sku":"ACCA48S","price":22000.0,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/9777\/products\/Accuphase-A-48-Class-A-Stereo-Power-Amplifier-front.jpg?v=1655342280","url":"https:\/\/soundline.co.nz\/en-int\/products\/accuphase-a-48s-class-a-stereo-power-amplifier","provider":"Soundline Audio Online NZ","version":"1.0","type":"link"}