Telex E-V Five-C User's Manual
Contents
1. for instructions HOLE IN THE MIDDLE 90 BEST LISTENING POSITION SOUND BECOMES MONAURAL AT GREATER DISTANCES Figure 2 Placement for stereo CUSTOMER SERVICE Your E V FIVE C system has been packed to provide protection well in excess of shipping requirements of the Interstate Commerce Commission If shipping damage occurs contact the dealer from whom the unit was purchased or the carrier and request inspection and further instructions ELECTRO VOICE INC Buchanan Michigan 912 Part No 534824 S A Subsidiary of Gulton Industries Inc Litho in U S A2. ENGINEERING DESCRIPTION Representing an entirely new approach to loudspeaker system design the E V FIVE C provides performance formerly found only in far more expensive systems The ten inch woofer two and one half inch tweeter and RLC crossover created for the E V FIVE C have been tested as individual components and then as an integral part of the completed system assuring performance equal to the laboratory standard An acoustic suspension woofer requires more moving mass than a conventional speaker for good low frequency response The required mass is supplied in the E V FIVE C woofer by adding two additional layers of wire to the voice coil More turns of wire in the magnetic gap maintain efficiency and offset the increased mass The result is bass response superior to woofers far more costly and complex Transient response even near the resonant frequency remains clean and precise The bass viol and kettle drum retain their natural quality here there is no juke box bass Brilliant high frequency response is assured by a new tweeter incorporating several design innovations While basically a cone tweeter it has a specially selected dust dome mounted centrally on the cone In the lower portion of its frequency range the tweeter cone and dome together function with full efficiency As fre quency increases a progressively smaller area of the cone radiates sound At the highest frequencies only the dome is radiating
3. Thus maximum dispersion is maintained at all frequencies without sacrificing efficiency Resonant frequency of the tweeter is just below the crossover point ensuring rapid rolloff In addition viscous damping compound is applied to the cone compliance roll This semi liquid material controls cone movement at reso nance and eliminates spurious responses and breakup E V FIVE C COMPACT LOUDSPEAKER SYSTEM ies 1 ill LL 8 8 8 83b8a FREQUENCY IN CYCLES PER SECOND RESPONSE IN D gt Sdb rear Figure 1 Representative frequency response and range of balance contro action The E V FIVE C enclosure integrates the requirements for acoustical excellence with the techniques of fine furniture construction All four sides are finished in genuine oiled walnut veneer to allow use in either vertical or horizontal position The nameplate may be rotated for vertical placement SPECIFICATIONS Frequency Response 30 to 20 000 Hz Nominal Impedance 8 ohms Power Handling Capacity Program 30 watts Peak 60 watts Dimensions 124 H x 21 W x 10 3 8 D Finish Oiled Walnut Veneer Shipping Weight 31 pounds PLACEMENT The E V FIVE C may be placed on a table shelf or on the floor Generally however the most realism will be obtained if its height from the floor is near the listener s ear level The E V FIVE C performs equally well placed in a horizontal or vertical position The nameplate may be r
4. ith a continuously variable balance control to adjust the high frequency response of the system to varying acoustical environ ments The normal position indicated on the control should be correct in most instances Acoustically shard 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 soft furniture and draperies an advanced setting of the control will normally be required The best guide to setting the control properly is a familiarity with the sound of live music That position of the control which provides the musical balance most pleasing to you is correct GUARANTEE Your Electro Voice speaker system is guaranteed for five years from date of purchase against failures due to defects in material or workmanship Within this period Electro Voice will repair or replace at our option any defective system delivered to us or our service agency The unit will be returned prepaid and without charge for material or labor Excluded from this guarantee are finishes and failures caused by shipping damage or physical abuse Operation under conditions other than those encountered in typical installations operation in excess of specified ratings or repair by other than Electro Voice or its authorized service agencies will void this guarantee Should difficulty occur contact the Electro Voice Service Manager
5. otated to accommodate either placement The above comments apply also to stereophonic place ment Additionally however the two systems should be far enough apart to permit listeners to sit at the apex of a thirty to forty degree angle as illustrated A distance of six to eight feet between stereo speakers will in most rooms provide natural separation Placing the loud Speakers too close together or listening at too great a distance will destroy the stereo effect and the sound heard will be essentially monophonic Extreme spacing between speakers or listening at too short a distance will produce exaggerated and unreal separation In long INALSAS MSAMVAadSAGNOT LOVdINOD 9 JAld A 3 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 The E V FIVE C has a nominal impedance of eight ohms Connections should be made between the left terminal T1 and the amplifier 8 ohm terminal the right terminal T2 should be connected to the amplifier common terminal sometimes referred to as O or C Con nections should be made with No 18 or larger wire common zip or lamp cord is satisfactory If the speaker leads are to be run behind a molding strip or under a carpet TV twin lead may be used ADJUSTMENT OF BALANCE CONTROL The E V FIVE C is equipped w
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