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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





Technics SL-DD33


Direct Drive Fully Automatic Turntable
Features:
Phase locked DD motor minimises speed fluctuations
Automatic disc size selection. The arm will not drop without a disc in place
Low mass straight tonearm with sensitive 4 point gimbal suspension and T4P universal cartridge mount.
Anti-vibration TNCR (technics Non Resonant Compound) base
Supplied with EPC P30 moving magnet cartridge

Specifications:
Drive:  Phase Locked Direct Drive
Motor:  Ultra Low Speed Brushless DD
Speeds:  33-1/3 and 45 rpm
Turntable Platter:  Aluminium die-cast
Platter Diameter:  312 mm (12-9/32")
Wow and Flutter (WRMS):  0,012%; 0,0025% (JIS C5521) ±0,0035% (Peak)
Rumble:  -78 dB (DIN B); -56 dB (DIN A)
Tonearm Type:  Static balanced straight tonearm, plug-in-connector cartridge system
Overhang:  15 mm (19/32")
Effective lenght:  230 mm (9-1/16")
Tracking Error Angle: 
Within 0°32' at inner groove of 300 mm (12") record
Within 2°32' at outer groove of 300 mm (12") record
Effective Mass:  13,5 g (including cartridge)
Stylus pressure:  1,25 g (fixed)
Applicable Cartridge Weight:  6 g
Phono Cable Capacitance:  90 pF
Cartridge EPC-P30S
Type;Moving magnet stereo cartridge
Magnet Circuit:  all-laminated core
Frequency Response:  10 Hz - 35,000 Hz
Output Voltage:  2,5 mV at 1 kHz, 5 cm/s, zero to peak lateraly velocity
7 mV at 1 kHz , 10 cm/s zero to peak, 45° velocity (DIN 45 500)
Channel Separation:  22 dB at 1 kHz
Channel Balance:  within 2 dB at 1 kHz
Recommended load Impedance:  47 k Ω - 100 k Ω
Compliance (dynamic):  12 x 10¯⁶ cm/dyne at 100 Hz
Stylus Pressure Range:  1,25 ±0,25 g
Weight:  6 g (cartridge only)
General
Power Supply:  AC 110 - 127, 220 - 240 V, 50/60 Hz
Power Consumption:  5W
Dimensions (W x H x D):  430 x 100 x 375 mm (16-15/16" x 3-15/16" x 14-3/4")
Weight:  4,5 kg (9,9 lb)

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