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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





Micro Seiki DQX-1000


 MICRO SEIKI DQX-1000
Design Integrity -
These unique design concepts have been exhaustively researched and tested by our engineers. All the manufacturing and assembly stages conform to the highest quality standards in order to produce this definitive turntable system. The result is surely one of the finest turntables available. Absolutely superb mechanical stability and precision.
The Ideal Comprator -
Itself incomparable, the DQX-1000 can help you enormously in comparing cartridges and tonearms. The turntable is so neutral, you effectively remove it as a variable in your judgment. And since up to three arms can be mounted simultaneously, your comparative evaluations will be much more accurate and definitive.
The Unique Turntable System -
The three large insulators on the DQX-1000 form a unique absorber mechanism taht not only eliminates entirely the hazards of external vibration, but also serves to isolate the arm mount from the turntable. Up to three high quality tonearms may be mounted simultaneously, and tonearms are interchanged easily and quickly. The power supply and transformer are completely isolated in a separate control unit, thus eliminating any feedback or hum interference.


 Turntable
The exceptional performance stability of the DQX-1000 can be attributed to the large: 31 cm; 2,9 kg, the platter has a significantly high moment of inertia: 600kg/cm².  Additionally, a low shaft burden has been achieved by distributing the weight around the perifery of the platter. The rotational momentum is accordingly very even and constant. Sroboscope markings are inscribed on the turntable, and as the stroboscope is aligned to a buuilt-in oscillator, power line variations have no effect whatsoever on the rotational speed.
PLL  Quartz locked Servo Motor
The DQX-1000 uses a direct drive, frequency  governed servo motor for optimum speed stability. A strong 1,5 kg (3,3 lbs) starting torque facilitates fast, accurate speed attainment. And even under extreme conditions, the constant speed characteristics are unsurpassed: a 3 gram stylus pressure at 30 cm from the center of the platter produces non speed deviation

Turntable Frame
A unique 3-point supporting frame has been developed in order to increase the stability of the DQX-1000 system. Thus the mechanism is contained within the most stable operating conditions possible. The 1,9 kg frame is made of aluminium alloy.



 Motor Shaft Reinforcement
The motor frame features a structure which is integrayed with the unique 3-point supporting frame. The resonance which is generated as the platter rotates is improved with the resulting mechanical strength. A reinforcement effect is also provided for the motor shaft (platter shaft) since it serves as a supporting pillar. This is a structure which clearly defines the fulcrum of the platter when the records are being played.

Insulators
The two-layer absorber system consists of cushion rubber and fulcrum lies in the upper part of the insulators, the resulting low center of gravity both horizontally and vertically.
 Arm Mounts
Six modular arm mounts are available optionally for precise, convenient installation of any high quality tonearm on any of the three positions. Now you can easily compare performance characteristics of tonearms and cartridges in order to maximize the efficiency of your total system interface. The DQX-1000 allows you to match specific disc playback characteristics with your cartridges and loudspeakers for the fullest possible enjoyment.




Control Unit
The turntable controls and power supply have been incorporated in an independent unit for optimum ease of access to the power button, speed select buttons, and fine speed adjustment controls, which can very the rated speed ±6% - a full octave.
Magnetic materials are excluded from the cover, and a wooden case is employed in order to improve the sound quality. The quartz circuit has an On/Off control, and when it is set to Off, the signals bypass the PLL servo circuit entirely.
SPECIFICATIONS DQX-1000
 Turntable Section
Drive System:  Direct Drive
Motor:  Quartz Locked PLL DC servo motor
Speeds:  33⅓ and 45 rpm
Turntable Platter:  310 mm (12¼ inch) diameter, aluminum diecast platter
Platter Weight:  2,9 kg (6,38 lbs)
Moment of Inertia:  600 kg · cm²
Wow and Flutter:  less than 0,02%
S/N Ratio:  More than 75 dB (DIN-B)
Starting Torque:  1,5 kg · cm
Power:  120 V, 60 Hz (USA & Canada); 220 - 240 V, 50 Hz (other areas)
Power Consumption:  11 W
Dimensions (W x H x D):  444 x 125 x 444 mm (17½  x 5 x 17½ inch)
Weight:  12,0 kg (26,4 lbs) without control unit


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