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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 hk750 amplifier

The new hk750 is the logical extension of our widely acclaimed 700 Series High Technology Separates - a sophisticated integrated amplifier that produces 45 watts per channel into 8 Ω

As with the rest of the 700 Series, the 750 has been designed with low negative feedback to keep TIM and Total Harmonic Distortion well below audible levels.

The 750 also has features you might not expect on other comparable integrated amps. Like a 5 stage, fully discrete phono pre-amp section that's extremely fast and quiet. Plus a toroidal power supply that can easily handle two pairs of speakers while substantially reducing both hum and stray noise. Two tape copy/monitor positions are provided for dubbing and monitoring. And the 750 also features loudness control, subsonic and hi cut filters, as well as tone defeat.

The hk750 integrated amplifier is the pefect solution for the audiophile who wants the sophistication of our High Technology Separates with the simplicity and economy of an integrated amplifier.

 


Specifications:

RMS Power (20 - 20,000 Hz into 8 Ω , less than 0,03% T.H.D.) :  45 watts

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

Intermodulation DIstortion :  0,05%

TIM Distortion (at rated output):  0,01%

Slew Rate/Power Amplifier:  60 Volts/µsec

Overall Negative Feedback:  25 dB

Hum and Noise (A Weighted):

Phono :  -88 dB

Aux :  -100 dB

Residual :  -100 dB

Phono Overload:  better than 150 mV


 

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