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

Sonab C500

 We were anxious to maintains the quality of our Sonab sound. It required a great deal of research and effort to do  this.  The result  is here, the Sonab C500 HiFi cassette deck.
The new Sonab C500 is constructed in such a way as to make it as simple as possible to handle, to play and above all to record.
 Recording as you may know is the function that requires knowledge as well as facilities. To help you as much as possible we have equipped the Sonab C500 with Dolby B-System noise reduction. Tape selector for standard and chrome tapes, which changes both bias, and equalisataion, quasipeak value recording level meters, mixing facilities between left and right channels plus centre microphone, memory rewind and built in amplifier for headphones, which enables you to monitor the recording at a level acceptable to you.
Tape Transport:  Servo controlled D.C. motor Single Capstan
Tape Speed:  4,76 cm/sec  ±1%
Wow and Flutter:  ±0,13% WTD peak
Fast Winding Time:  100 sec. For C60 cassette
Instruments:  two quasi peak reading recording meters
Noise reduction System:  Dolby B
Tape Counter: 3 figures with memory rewind
Heads:  Two hard permalloy (High µ Metal) heads
Tape Selector:  for Standard or Chomium dioxide tape with separate bias and correction characteristics
Bias Frequency:  105 kHz
Frequency Response:
Standard tape:  30 - 15,000 Hz ±3 dB
Chrome tape:  30 - 16,000 Hz ±3 dB
Bias Settings: 
Standard = Maxwell UD
Chrome = TDK Kr0₂
Signal-to-Noise Ratio:
Standard tape without Dolby :  51 dB
Standard tape with Dolby :  58 dB
Chrome tape without Dolby :  63 dB
Chrome tape with Dolby :  60 dB
Erasing Suppression:  60 dB
Channel Separation:  35 dB
Cross-talk Suppression:  60 dB
Inputs Sensitivity/Impedance:
Microphone L , R & centre:  0,2 mV/1 k Ω
Line :  70 mV/180k Ω
DIN :  12 mV/30 k Ω
Outputs Level/Impedance:
Headphone :  minimum/8 Ω
Line :  1,2 V/ 600 Ω
DIN :  1,2 V/600 Ω
Power Requirements:  100, 117, 220, 240 Volts, AC 50/60 Hz
Power Consumption:  25 W
Dimensions (W x H x D):  380 x 105 x 250 mm (15" x 4" x 10")
Weight:  4,5 kg (10 lbs)

Colour:  Black

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