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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





ElectroVoice EVR-200


12" low-frequency radiator
The EVR-200's low-frequecy radiator looks like a woofer but has no voice coil or magnet. yet, unlike the "ports" or "passive radiators" of many conventional bass reflex enclosures, the low-frequency radiator actually reproduces the lowest octave of system bass response. It is driven to full, low-distortion output by a relatively small motion of the woofer itself, interacting with the air inside the enclosure. A molded half-roll urethane foam surround provides stable, linear suspension of the moving system.
8" soft dome midrange-woofer
Because the low-frequency radiator produces the lowest bass, woofer diameter has been reduced for improved performance in the mid-bass and critical midrange. The high-frequency response of the 8-inch cone and soft fabric dust dome is precisely what is required to blend properly with the tweeter. only a single low-loss air-core inductor is needed for seemless crossover. The smail cone size provides wider midrange dispersion than the typical 10- or 12-inch woofer, distributing voices and other midrange sources throughout the listening area with unusually uniform quality. The light cone produces fast, tight reaction to the upper registers of bass instruments, for extraordinary clarity and definition.
Cone tweeter
The exceptional dispersion of the shallow, curved 2½-inch tweeter cone blends perfectly with the high performance midrange/woofer. Tweeter frequency response is essentially flat to 20 kHz, with uniformly excellent transient response. A first-order high-pass circuit protect the tweeter from undesired input below the 1500 Hz crossover frequency. A tweeter level control "tilts" response above crossover, matching to room acoustics or personal taste.
Specifications
Frequency response: 30 -20,000 Hz
Sound pressure level: 92 dB (1W/1m)
Nominal impedance: 8 ohms
Suggested amplifier ratings: 5 to 60 watts (RMS per channel at 8 ohms) max.200 watts
Midband power capacity: 200 watts short-term (10 ms); 20 watts long-term average
Crossover points: 76 Hz acoustic; 1500 Hz electrical
Dimensions: 16 x 27½ x 13½ inches
Weight: 35 lbs
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1 comment:

  1. marv62February 18, 2024 at 5:26 AM

    Can anyone tell me the year this speaker was made, and how up does it rate as far as quality. I think they sound just wonderful to my ears.

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