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





Sennheiser MS100 headphones


Inside-Out Headphones
Introducing Inside-Out™ MS100 hedaphones from Sennheiser.
If you thought you couldn't get the kind of lifelike musical reproduction from your portable that you get from the finest home equipment, prepare to think differently.
Most people who know audio know that Sennheiser's Open-Aire® design deliveres sound that clearly surpasses even the most expensive home loudspeakers. It's unequalled in wide linear response, in transient ability, in ultra lghtweight comfort.
Now comes the breakthrough.
For the first time you can have headphones rugged and reliable enough to bring you that same performance not only at home, but outdoors as well. All thanks to the advanced electroacoustic technology that made Sennheiser a legend among recording studio technicians, astronauts, and audiophiles alike.

An exclusive new design in headphones that are compatible both with fine home stereo equipment and portable walkarounds, complete with 6-foot "Inside" extension cable, exclusive Sennheiser Open-Air® technology is comfortable, lightweight,, yet permits total listening environment indoors or out.

Specifciations:
Frequency Response:  20 Hz to 20 kHz
Impedance:  42 Ω
Sensitivity Nominal SPL at 1 kHz:  96 dB
Total Harmonic Distortion:  1%
Weight:  1,4 ounces
Accessories:
Outside 4-foot cable with standard mini stereo plug
Inside 6-foot extension cable with standard stereo phone plug
2 extra Open-Air headphone cushions

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