ElechoYorez ENGINEE DESCRIPTION The Electro-Voice E-V TWO system is a carefully designed two-way reproducer offering outstanding performance inan enclosure of surprisingly modest dimensions. Vastly lower distortion and wide frequency range are achieved by the use of two sepa- rate drivers, each handling a special portion of the audible spectrum, The massive twelve-inch woofer, built in a high-pressure die cast chassis, features such refinements as a ceramic magnet, edgewise- wound voice coil, anda linear suspension which allows long yet carefully controlled excursions. Frequencies above 800 cps are handled by an en- tirely new high-frequency driver and diffraction horn combination which utilizes the latest in pre- cision injection molding techniques and quality control procedures. An outstanding ring diaphragm design eliminates the coloration often found in ordinary dome-type diaphragms. The exclusive diffraction horn ensures wide, smooth dispersion of critical high frequencies for maximum realism, especially when the E-V TWO is used in stereo- phonic systems. A two-way electrical crossover provides smooth transition from one driver unit to the other. Finest quality components and etched circuit board construction are employed for maxi- mum power handling capacity and crossover- frequency accuracy. The attractive totally-sealed enclosure of the E-V TWO is rigidly constructed from three-fourths-inch stock throughout and carefully hand finished on four sides in oiled walnut or mahogany. The nameplate rotates to permit either horizontal or vertical placement. E-VTWO COMPACT FEATURES e Two separate component quality drivers for wide range, low distortion e High efficiency for use with any amplifier e Fine furniture cabinetry finished on four sides SPECIFICATIONS FREQUENCY RESPONSE: 30 to 15,000 cps NOMINAL IMPEDANCE: 8 ohms POWER HANDLING CAPACITY: PROGRAM 30 watts PEAK 60 watts DIMENSIONS: 14" h X 25" w X 13-1/2"d FINISHES AVAILABLE: Oiled walnut and mahogany SHIPPING WEIGHT: 46 lbs, FREQUENCY IM CYCLES PER SECOND Figure 1 - Frequency Response . 56 MH. IN O WOOFER COM: с - COM. = 4 MF. 47 n e -0 TWEETER SMF LO NORMAL HI di TT - | MF. Figure 2 = Schematic Diagram AUN ICA: UY: U LOUDSPEAKER SYSTEM VLVG ONI 433NI9N3 PLACEMENT The E-V TWO may be placed on a shelf or table, or on the floor. Generally, however, maximum realism will be obtained if its height from the floor approximates the listener's ear level. A room corner, if available, assures maximum efficiency and bass reproduction, since the room walls are thus made an integral partof the system, acting as the sides ofalarge horn. The E-V TWO performs equally: well horizontally or vertically, and the nameplate may be rotated to accommodate either placement. "HOLE IN THE MIDDLE" BEST LISTENING POSITION SOUND BECOMES MONAURAL AT GREATER DISTANCES Figure 3 - Placement For Stereo The same comments apply to stereophonic place- ment. In addition, the two systems should be far enough apart to permit listeners to sit at the apex of a 30° to 40° angle, as illustrated. A distance of six to eight feet between stereo speakers will, in mostrooms, provide natural separation. Placing loudspeakers too close together or listening at too greatadistance will destroy the stereo effect, since essentially monophonic sound will be heard by the listener. Extreme spacing between speakers or listening at too shorta distance will produce exag- gerated and unreal separation. In long rooms, the loudspeakers should be placed along one of the short walls facing into the long room dimension. This improves bass reproduction and provides good stereo listening over most of the room. — AMPLIFIER CONNECTIONS TO E-V TWO The E-V TWO system has a nominal impedance of eight ohms. Connections, therefore, should be made between the left terminal (T1) and the ampli- fier eight-ohm terminal; the right terminal (T2) should be connected to the amplifier COMMON ter- minal ( sometimes referred to as "O" or "C" ). Connections should be made with No.18 or larger wire; common zip or lamp cord is quite satis- factory. If the speaker leads are to be run behind a molding strip or under a carpet300-ohm TV twin lead should be used. ADJUSTMENT OF BALANCE CONTROLS The E-V TWO is equipped with a three-position step-type balance control which is used to accom- modate the high-frequency response of the system to varying acoustical environments. A "normal position" is indicated on the control which should be correct in most instances. Acoustically "hard" or "live' rooms may require a retarded setting of the control to compensate for the greater amount of high-frequency reflection. In "soft" or "dead" rooms with carpeting, draperies and soft furniture, the advance ‘setting of the control will normally be required. The best guide to setting the control properly is, of course, a familiarity with the sound of live music. That position of the control which provides the musical balance most satisfactory to you is correct. CUSTOMER SERVICE The E-V TWO system is packed to provide pro- tection well in excess of shipping requirements of the Interstate Commerce Commission. If shipping damage does occur, contact the carrier, requesting inspection and instructions, or the dealer from whom the unit was purchased. The E-V TWO is guaranteed indefinitely against defects in original workmanship and materials, Should your system decome damaged or develop faulty operation from unusual conditions of use, write to the Electro-"' Voice Service Department requesting return authorization and shipping instructions. Be sure to mention the make and model number of other com- ponents used in the system. Part No. 531043 Ey, ELECTRO-VOICE, INC. / Buchanan, Michigan Litho in U.S. A.
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