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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





Harman/Kardon HK460i receiver

 

Like all Harman/Kardon receivers, the hk460i will develop much more power under peak loads than its rated 30 watts per channel

And when it comes to features, the hk460i gives you a lot more than just the basics. Like tape monitor circuitry, subsonic filter and an auto FM switch that automatically shifts the receiver into mono mode when the signal is too weak for stereo reception.

You also get a 5-level signal strength meter for accurate tuning and a station look beacon that lets you know when you're precisely tuned to the channel center.

The hk460i features a tone defeat switch that lets you bypass the tone control circuitry altogether. That means less distortion for crystal-clear, accurate reproduction when listening is critical.

The hk460i, it gigves you a full 30 watts per channel, and performs like a whole lot more.

Specifications

Amplifier Section

RMS Power Output (into 8 Ω  , 20-20,000 Hz):  30 watts (at less than 0,07% T.H.D.

Frequency Response (at rated output):  below 1 Hz - 150 kHz (-3 dB)

Intermodulation Distortion (at rated output):  ,07%

TIM Distortion (at rated output):  ,02%

Slew Rate/Power Amplifier:  60 volts/µsec

Overall Negative Feedback:  30 dB

Hum and Noise (A-weighted):

Phono :  -86 dB

Aux :  -100 dB

Residual :  -100 dB

Phono Overall:  >130 mV

Tuner Section

FM Sensitivity MONO:  2,3 µV

50 dB Quieting Sensitivity

Mono :  3,3 µV

Stereo :  42 µV

FM Noise:  -70 dB

Capture Ratio:  1,5 dB

Alternate Channel Selectivity:  -67 dB

Stereo Separation (1 kHz):  45 dB

FM Frequency Response at Detector Output:  DC -90 kHz (-3 dB)

AM Sensitivity:  300 µV/m

Dimensions (W x H x D):  440 x 122 x 368 mm

Weight:  8,63 kg



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