Electro-Voice EVM-15B User's Manual
Contents
1. 8 35 25cm dia Mounting Holes Four or eight 9 32 71cm holes equally spaced on 14 9 16 37cm screw circle Net Weight 21 Ibs 9 5kg Shipping Weight 25 Ibs 11 3kg CUSTOMER SERVICE EVM 15B speakers are packed to provide maximum protection well in excess of the shipping requirements of the Interstate Commerce Commission If shipping damage does occur contact the carrier immediately requesting inspection and instructions or contact the dealer from whom the unit was purchased For correct shipping address and instructions on return of Electro Voice products for repair and locations of authorized service agencies please write Service Department Electro Voice Inc 600 Cecil Street Buchanan Michigan 49107 Phone 616 695 6831 Part No 535653 336 a GultOn coua ELECTRO VOICE Inc 600 CECIL ST BUCHANAN MICH 49107 _ m IO MANUFACTURING PLANTS AT E BUCHANAN MICH E NEWPORT TENN SEVIERVILLE TENN B GANANOQUE ONT LITHO IN U S A2. be constructed from scratch inch solid and jointed or marine plywood is recommended After construction be certain interior is completely free of metal filings wood chips etc FRONT GASKET FE SS gt CTU Te FIGURE 3 Rear Mounting Detail Not to scale FLAT WASHER LOCK WASHER CONNECTIONS Use No 18 or larger stranded wire to connect the two terminals on the loudspeaker to the amplifier output If a choice of amplifier output impedance is available 4 8 16 ohms a single EVM 15B speaker should be connected to the 8 ohm tap Two EVM 15B speakers may be connected in parallel as shown in Figure 4 Be sure to connect the red terminals together as shown in Figure 4 If series wiring is desired wiring and polarity should follow Figure 5 Specifications subject to change without notice FIGURE 4 Connection of 2 EVM 15B Speakers in Parallel FIGURE 5 Connection of 2 EVM 15B Speakers in Series SPECIFICATIONS Nominal Impedance 8 ohms DC Resistance 5 ohms 10 Free Air Resonance 40 Hz 10 Power Handling Capacity 100 watts continuous sine wave EIA Sensitivity Rating 55 dB Voice Coil Diameter 2 6 35cm Magnet Weight 4 lbs 13 oz 2 2kg ceramic Magnetic Structure 16 Ibs 7 2kg Dimensions 15 1 8 38 13cm dia x 7 17 78cm deep Eight 9 32 71cm holes equally spaced on 14 9 16 37cm circle Frame Mounting Mounting Dimensions Baffle Opening 13 7
3. ElecheYoics ENGINEERING DATA A i p INSTALLATION The EVM 15B may be front or rear mounted although front mounting is preferred because the bolts may be tightened fully It is important that recommended baffle openings and mounting hole locations be followed FRONT MOUNTING requires a 13 7 8 diameter cutout and a 14 9 16 screw circle Mark baffle opening and screw locations on the blank panel first Drill the screw holes before cutting the large baffle opening TEENUTS are recommended for simple secure mounting If TEENUTS are used the holes should be 9 32 or 290 letter L drill Apply glue to the flanges of 34 20 long shank TEENUTS before driving into the rear of the holes With the speaker panel in the horizontal position place the speaker in the mounting hole to make certain that the rim fits flat against the mounting panel Sealing of the front mounted speaker is accomplished with the adhesive backed foam gasket segments Strip off protective paper and apply gasket to the rear mounting surface of the speaker rim making certain that holes in the gasket line up with the mounting holes in the speaker frame Length of the 20 screws should be 4 plus the panel thickness when using TEENUTS The screws must have fillister heads to seat down in the recess of the speaker frame Screws should be tightened evenly and securely Maximum torque possible with a proper size screwdriver should be sufficien
4. t IMPORTANT When front mounting the screw head must fit down into the front gasket cutout See Figure 2 EVM 15B 15 INCH MUSICAL INSTRUMENT LOUDSPEAKER FEATURES Husky 8 spoke diecast aluminum frame Low mass high efficiency edgewound voice coil Rugged laminated coil form Heavy duty curvilinear cone Fatigue resistant cone suspension Vented coil and magnet structure Heat radiating back cover tent 32 DIA THAU 8 HOLES f EQUALLY SPACED ON 140 16 B C e T 117 7Bem we 138 13ml FIGURE 1 Dimensions FRONT GASKET CUT OUT SPEAKER FRAME FOAM GASKET COMPRESSED ie TEE NUT FIGURE 2 Front Mounting Detail Not to scale HaVadSGNOT LNAWNYLSNI TWOISNW HONI St GSI WA REAR MOUNTING requires the same diameter cutout and screw circle as front mounting Other comments regarding the use of TEENUTS apply to rear mounting as well Screw length should be 3 plus panel thickness if using TEENUTS longer for standard hex nuts If hex nuts are used a second nut should be tightened against the first nut to prevent loosening during operation A lock washer and flat washer are recommended between the screw head and frame See Figure 3 Screws should be tightened evenly but not excessively Maximum torque possible with a proper size screwdriver should be sufficient Do not use adhesive back gasket segments for rear mounting If a cabinet is to
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