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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





Kenwood KT-313 (1979)

AM/FM Stereo Tuner

Kenwood's well-balanced design ensures interference rejection and exceptional reception

at a moderate price point. Dual meter tuning for razor-sharp accuracy.

Outstanding Usable Sensitivity in its class: 10,8 dBf (1,9μV).

Excellent signal-to-noise ratio: Mono 77 dB, Stereo 72 dB.

Low harmonic distortion of 0,15% and high alternate channel selectivity of 60 dB (stereo at 1kHz).

PLL in MPX section for improved stereo separation.

Signal strength meter and center-of-channel tuning meter ensure tuning accuracy.

FM Mode Auto bar automatically adapts for stereo or mono operation according to broadcast conditions.

MPX filter blends high frequencies of stereo broadcasts during noisy reception conditions.

Unique internal rotating AM bar antenna for better tonal quality.

FM Section

Sensitivity 30 dB Quieting: 10,8 dBf (1,9μV)

Sensitivity 50 dB Quieting: Mono: 17,2 dBf (4,0μV); Stereo: 38,3 dBf (45μV)

Signal-to-noise Ratio at 65 dBf

Mono: 77 dB

Stereo: 72 dB

Total Harmonic Distortion at 1 kHz

Mono: 0,1%

Stereo: 0,15%

Capture Ratio: 1,0 dB

Alternate channel Selectivity: 60 dB

Stereo Separation

at 1kHz: 45 dB

50 - 10 kHz: 35 dB

AM Section

Usable Sensitivity: 16μV

Signal-to-noise Ratio: 50 dB

Selectivity: 25 dB

Dimensions: 400 x 140 x 275 mm

Weight: 4,4 kg

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