Assessments - 2, GPA: 3
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Ring DAC technology exhibits exceptionally linear response when decoding digital audio data, with the ability to resolve the finest acoustic details recorded on a compact disc. In the Alpha 9 CD player, 24 bit digital filtering is provided by the Pacific Microsonics PMD 100 chipset, which also performs HDCD (High Definition Compatible Digital) decoding of suitably encoded CDs.The sonic performance of the Alpha 9 makes it one of the very best CD players currently available, regardless of price, 2 For optimum sonic performance, the analogue power supply of the Alpha CD players is kept powered up all the time the unit is connected to the mains supply, The front panel power switch powers down all other circuitry. This means that even though the power switch is off, it may be possible to hear a slight residual hum coming from the mains transformer inside the CD player This is perfectly normal, If the unit is to be left unused for an extended period, we recommend that it is disconnected from the mains supply by switching it off at the wall socket. 3 This appliance is normally supplied with a moulded mains plug already fitted to the lead. If for any reason the plug needs to be removed, it must be disposed of immediately and securely, as it is a potential shock hazard when inserted into the mains socket. The unit is double insulated and does not require an earth. If the plug is removed then the remaining lead must be rewired as follows: The blue wire must be connected to the terminal which is coloured blue or marked with the letter N. A 5 AMP fuse should be fitted. which is coloured brown or marked with the letter L. 4 For convenience and ease of use, Alpha CD players are supplied with an infra-red remote control handset. The handset transmits Philips RC-5 type codes. POSITIONING Always place the CD player or transport on a level, firm surface. Placing your player on a set of dedicated sorbothane isolation feet will isolate the unit from its surroundings as well as absorbing the vibrations created within the player itself. You will generally hear some sonic improvements, which makes this an extremely cost-effective upgrade. RADIO INTERFERENCE The Alpha 7/8/8SE/9 CD players are digital audio devices which have been designed to very high standards of electromagnetic compatibility. Both CD players and digital to analogue converters (DACs) generate, and can radiate RF (radio frequency) energy. In some cases, this can cause interference with FM and AM radio reception. If this is the case, keep the CD player and its connecting cables as far from the tuner and its aerials as possible, Connecting the CD player and the tuner to different mains sockets can also help to reduce interference, EC COUNTRIES - These products have been designed to comply with directive 89/336/EEC. USA - These products comply with FCC requirements. SAFETY STANDARD Arcam Alpha CD players have been designed to meet the IEC 65 international electrical safety standard. LASER RADIATION If an Arcam Alpha CD player is operated whilst the outer casing is removed, invisible laser radiation could cause eye damage. CLASS I LASER PRODUCT For more details about HDCD and HDCD recordings please visit the Pacific Microsonics Website or contact them at Pacific Microsonics Inc. 32990 Alvarado Niles Road, Suite 910. Union City, California 94587-3106, USA Telephone: 510 475 8000 Fax: 510 475 8005 The green and yellow wire must be connected to the terminal which is coloured green and yellow, or marked with the letter E or the safety earth symbol. wire must be connected to the terminal Technical specification Alpha 7 16 bit multi-level Delta-Sigma' digital to; analogue conversion: Alpha 8 . 20 bit resolution digital filtering and. 1 bit -PWM DAC - ' with balanifed anllsgyg-filter:stages, Alpha 8SE 1 bit PWM DAC plus HDC5' ' Alpha 9 Hîgh.reSJlufjon.proprietary mulft-bitcurrent output digital to anafoguCcpnversion. 24 bit dCS RiriffeAC plus HDCD V . .7;:;: "" ...... '' Laser pick-up 3 beam Power consumptionlpiax) - 25VA.max ■ . » v Laser wavelength ' 1 780nm ' ■ ' Dimensions W/D/H mm. 430x290x85 Numerical Aperture ’0.45 Weight” ............................'Alpfa7 .........................-'5'6kg nett/ 5.1 kg'pitted'.....::f~"=r Dynamic Rangé 96elB Alpha 8 ■' 4.0kg nettf SJkg'-packed : Signal to noise ratio (CCIR) lOOdB . • Alpha,.8SE 4, f-kg nett/ 5.6kg packed. ■ ; Harmonic distortion (Odb, 1 kHz) <0.01% Alpha 9 4.1 kg nett/ 5.6kg packed Frequency response (-0.5dB) 20Hz-20kHz Output level (Odb) 2.3Vrms Supplied accessories Mains lead Output impedance 50Q (I50Q on Alpha 7) Remote Control Minimum recommended load ■ 5kil 2xAAA batteries Digital output connection 75£2 co-axial E&OE Guarantee WORLDWIDE GUARANTEE This entitles you to have the unit repaired free of charge, during the first two years after purchase, at any authorised Arcam distributor provided that it was originally purchased from an authorised Arcam...
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