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

Marantz SD-330

 Soft touch tape transport mechanism. Dolby "C" and Dolby "B" noise reduction systems. LED meters for level setting. Timer standby. Line and Mic selector switch. Record mute. Convenient sliding level controls. Normal, CrO₂ and Metal tape selector.
Style:  Front load
Tape Drive System:  Single Capstan Drive
Cartridge:  Philips type compact cassette
Track System:  Compatible Stereo 4-track 2-channel
Tape Speed:  4,75 cm/sec.
Heads:  2 head system
Rec/Playback :  Super Hard Metal Alloy
Erase :  Dual gap Ferrite
Motor:  1 Motor System Dc Servo Motor
Overall Frequency Response (at -20 dB):
Normal Tape :  30 Hz - 16 kHz
CrO₂ Tape :  30 Hz - 17 kHz
Metal Tape :  30 Hz - 18 kHz
Signal-to-Noise Ratio:
Dolby C9On):  70 dB
Dolby (Off):   56 dB
Wow and Flutter (DIN WTD):  0,15%
Line Level/Impedance :  600 mV/50 k Ω
Headphone Level/Impedance :  50 mV/ 50 Ω
Input ( Level at 0 VU):
Line Sensitivity/Impedance :  70 mV/50 k Ω
Mic Sensitivity/Impedance :  0,3 mV/10 k Ω
Fast Rewind/Forward Time:  90 sec (C-60)
Power Requirement:  110 - 120 /220 - 240 V AC, 50/60 Hz
Power Consumption:  17 W
Dimensions (W x H x D):  416 x 100 x 194 mm
Weight:  3,2 kg

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