What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.




H.H. Scott '59





Luxman DD-113 cd player

Digital Direct CD Player

Digital Output for Sonic Purity
The DD-113 is the second generation of the world's first digital output-only compact disc player, the D-113D. By concentrating on perfecting the CD player's basic functions prior to the D/A conversion stage, Luxman has achieved the ultimate in pure digital output and solved the needless duplication of DAC functions in the player and amplifier.
Direct Link wuth the LV-113 amplifier
The full potential of the DD-113 can be realized in combination with the Luxman LV-113, an integrated amplifier capable of digital direct input. This set-up completes Luxman's new "Digital Exclusive" system
High-Rigid Lock Mechanism, STAR Circuit
The DD-113 naturally incorporates all the Luxman advances in basic CD player technology, including the High-Rigid Lock Mechanism. Independent springs support the main chassis and the pickup drive mechanism, while a special type of shock-absorbent rubber isolates the pickup base and the main chassis. The STAR Circuit ensures that a constant ground reference is provided independently for each electrical stage and channel.
Convenient Feaatures too - An easy-to-read fluorescent display dimmer can be adjusted to your preference, or switched off completely. Programming of up to 32 tracks in random order is possible through the remote control or front panel controls.
The DD-113 also feaatures:
18-Key Remote Control
Seriall Remote Control with LV-113 Integrated Amplifier

Specifications:
System:  Optical Semiconductor laser Pick-up
Bit: 16-Bit Linear System
Channels:  2 channel Stereo
Digital Output Voltage
Coaxial :  0,5 Vp-p/75 Ω
Optical :  -21 -15 dBm
Wavelength:  660 nm
Frequency Response:  20 -20,000 Hz
Total Harmonic Distortion:  0,001%
Signal-to-Noise Ratio:  85 dB
Dynamic Range:  83 dB
Separation at 1 kHz:  75 dB
Power Requirements:  AC 120/220/240V, 50/60 Hz
Power Consumption: 12 W
Dimensions (W x H x D):  438 x 85 x 331 mm
Weight:  4,4 kg

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