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





Electro-Voice Interface C speakers

E-V Interface:C Series II is the fulfillment of our six-year association with optimally vented speakers based on the theories of A. N. Thiele - speaker designs first introduced by Electro-Voice in 1973. the Interface:C offers you a unique combination of high efficiency and high power capacity - the only way to accurately reproduce the 120 = 120 dB peak sound pressure levels found in some types of live music.
The Super Dome tweeter, an E-V exclusive, and the VMR vented midrange driver, the first to apply optimally vented design to mid frequencies, ensure your music is reproduced without the coloration normally found in other high-efficiency drivers. An honest 30 Hz low end totally eliminates the need for expensive subwoofer assemblies.

Specifications
Frequency Response:  25 - 20,000 Hz ±2,5 dB
Recommended Amplifier Power:  350 watts maximum
Sound Pressure:  90 dB at 1W/1m
Crossover Frequencies:  400 Hz and 2,5000 Hz electrical; 42 Hz acoustic
Transducers: 
10" woofer
6-1/2" vented midrange VMR
1-1/2" Super-Dome tweeter with acoustic lens
Impedance:  4 Ω minimum, 6 Ω nominal
Dimensions (W x H x D):  20" x 31-1/2"" x 12-1/2"
Weight:   60 lbs
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