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





Kenwood KT-80

 KT-80 FM Stereo Tuner
The perfect mate for the KA-80. precise, no-drift Servo-Lock eliminates the need for a tuning meter, and a row of 5 LEDs replaces the conventional signal level meter.
 Pulse Count Detector virtually banishes FM noise and cuts distortion in half
Servo-Lock tuning automatically locks in FM stations.
Record Calibration Control for studio quality off-the -air recordings
FM Mode Auto Bar automatically adapts to stereo or mono operation according to broadcast conditions.
Outstanding usable sensitivity: 10,8 dBf (1,9 µV)
Exceptional signal-to-noise ratio: Mono 83 dB; Stereo 80 dB
Stereo Total Harmonic Distortion only 0,25% from 50 Hz - 10 kHz
Alternate Channel Selectivity: 75 dB
Attractive, easy to read slide rule dial.
Specifications KT-80
FM Tuner Section
Sensitivity 30 dB Quieting :  10,8 dBf (1,9 µV)
Sensitivity 50 dB Quieting:
Mono :  15,5 dBf (3,3 µV)
Stereo :  37,2 dBf (40 µV)
Signal-to-Noise Ratio at 65 dBf
Mono :  83 dB
Stereo :  80 dB
Total Harmonic Distortion
Mono :  0,07%
Stereo :  0,07%
Capture Ratio:  1,5 dB
Alternate Channel Selectivity:  75 dB
Stereo Separation: 
At 1 kHz :  48 dB
At 50 - 10 kHz :  40 dB
Dimensions (W x H x D):  400 x 78 x 330 mm (17-5/16" x 3-1/16" x 13-1/8")
Weight:  9,9 lbs

Produces:  1980 
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