Nad L 73 Brochure
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Performance The NAD engineers concentrated only on the truly important parts of a surround sound system. As the new Surround Sound formats allow for the same wide bandwidth and large dynamic range for the rear channels as for the front channels, all fi ve channels are capable of putting out an equal and substantial amount of power. As usual with NAD, the L73 uses discrete output stages only, including the surround channels. The benefi ts of this approach have been proven over the years in many acclaimed NAD amplifi ers and receivers. Most products in this category are using digital IC amplifi er modules, which allow for a very slim-line design, but cannot meet even the most basic hi-fi specs for noise and distortion. Whats more, these amplifi ers can only put out a very modest amount of power, far too little for a satisfying cinematic or musical performance. And to make matters even worse, these digital IC amplifi ers used by our competitors cannot drive real world speakers due to their poor tolerance of low impedance, and almost total lack of dynamic power. As one would expect from NAD, only high quality components have been used, such as high resolution ADCs (Analogue-to- Digital Converter) and DACs (Digital-to-Analogue Converter) from renowned manufacturer Crystal to obtain the best possible performance. FLEXIBILITY Even though the L73 DVD Surround Sound Receiver may be far more compact than a separate DVD Player and Receiver of comparable performance, it still is very fl exible. Three additional video sources (one front panel accessible - perfect for cameras and game consoles) and a 6 channel audio source can be connected (with the built-in tuner and DVD/CD player that potentially gives you access to six sources) of which two also offer S-Video inputs and one a Component Video input. Besides the Monitor output, the L73 also has an S-Video and Composite output as well. Two digital inputs (one optical, one coaxial) are provided, and, for easy transferring to a CD recorder or other digital recording device, the L73 also sports an optical digital output. Rather than using spring clips for loudspeaker cable connection, as usually found on compact systems, the L73 offers high quality loudspeaker binding posts, more associated with top-of-the-range full-size AV receivers. A line- level output for connection to a powered subwoofer is provided as well. ADVANCED FEATURES The L73 will automatically recognise DTS or Dolby Digital and will switch accordingly. Also included is the new high resolution DVD- Audio mode with up 24 bit 96 kHz resolution (CD is only 16 bit 44.1 kHz) with full bass management available. Besides these modes, Stereo Enhanced (all channel stereo), ProLogic II, and EARS (an NAD exclusive) are available, all aimed at reproducing 2 channel stereo music in a realistic 5.1 surround mode, creating either a natural ambience, or an all out party sound. In all cases the sound is pure and undistorted, as opposed to those fuzzy boingy sound effects with lofty sounding names like stadium and cathedral. DVD AND CD FEATURES AND PERFORMANCE Besides superb DVD picture quality in either interlaced or progressive modes, the NAD L73 also offers a wide range of facilities such as Multi-Angle*; Multi-Sound*; Multi-Subtitle*; Frame; Zoom and Repeat. All these facilities can be easily accessed with the supplied remote control. Through the extensive yet intuitive On-Screen-Display you can change the various settings and parameters for optimum performance. POWER © NAD 2004 L73 AC OUTLETSWITCHED1A 100WATTS MAX. ANTENNA FM GNDAM L L R R Serial No./ No. De Series SURROUND CAUTION : SPEAKER IMPEDANCE FRONT : 8 OHM MIN./SPEAKER CENTER : 8 OHM MIN./SPEAKER SURROUND : 8 OHM MIN./SPEAKER CENTER FRONT SPEAKERS CAB/SAT IN AUDIO S-VIDEO VIDEO L R Y Cr/ Pr Cb/ Pb Y Cb/Pb Cr/ Pr COMPONENT VIDEO CAB/SAT IN OUT CENTER SURROUND VCR IN MONITOROUT OUTOUTOUT OUT OUT FRONT 5.1 CHANNEL INPUT SUBW DIGITAL AUDIO IN COAXIAL OPTICALOPTICAL OUT IN +12V TRIGGER OUT SUBW PRE-OUT
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Amplifi er Section Power output Stereo Mode Simultaneous Continuous Output Power into 8 ohms IHF dynamic power; 8 ohms Total harmonic distortion at rated power Damping factor 8 ohms Frequency response Frequency response Signal/noise ratio; ref. rated power / 8 ohms Signal/noise ratio; ref 1W / 8 ohms Remote Control FM Tuner Section 50dB Quieting Sensitivity; FM Mono 50dB Quieting Sensitivity; FM Stereo Image Rejection Harmonic Distortion; FM Mono Harmonic Distortion; FM Stereo Signal/noise; Mono Signal/noise; Stereo Channel Separation at 1kHz Frequency response; ±1.5dB AM Tuner Section Usable Sensitivity Selectivity Image Rejection IF Rejection Signal/Noise Ratio Harmonic Distortion Audio Frequency Response DVD Audio Frequency Response CD Audio Signal to noise ratio, A-weighted THD (at 0dB, 1kHz) Wow and Flutter Channel separation CD Dynamic range DVD Video Signal to Noise Signal system Inputs Digital coaxial - PCM, DTS, AC3 Digital optical - PCM, DTS, AC3 Component Video Outputs Digital optical - PCM, DTS, AC3 Composite Video S-Video Component Video 12V Trigger Physical Specifi cations Dimensions (W x H x D)* Net Weight Shipping Weight 2 x 60W (18dBW) 5 x 45W (16.53dBW) 2 x 82W (19dBW) 0.08% >60 20Hz to 20kHz ±0.5dB -3dB 10Hz to 60kHz 99dB 85dB NAD HTR L73 -16 dBf -36.1 dBf >50dB 0.2% 0.5% 69 dB 64.2dB 40dB 30Hz - 15kHz 55dBu 25dB 35dB 50dB 55dB 0.8% 48kHz sampling 10Hz - 22kHz 96kHz sampling 4Hz - 44kHz 10Hz -22kHz >85dB T0.008% Quartz accuracy 86dB 103dB 62dB PAL/NTSC RCA x 1 TOS Link x 1 RCA x 3 TOS Link x 1 RCA x 1 Y/C 4 pin x 2 Yes RCA x 3 Yes 17 1/8 x 4 3/4 x 13 (435 x 121 x 330 mm) 26 lbs (11.8 kg) 32 lbs (14.5 kg) * Dimensions are of units cabinets without feet attached; add up to 18mm for total height. Dimension depth excludes terminals, sockets, controls and buttons.