Electro-Voice Musicaster II User's Manual
Contents
1. Diagram Multiple Musicasters in Series Parallel Ti RED T2 BLACK Figure 6 Wiring Diagram for Musicaster Il Printed in U S A NOW ENJOY TRUE E V HIGH FIDELITY OUTDOORS OR IN MUSICASTER Summer fun is more fun than ever when you take your high fidelity pleasure out of doors with you Musicaster is weatherproof hand some and portable and economical Thrill to Bach on the balmy breezes Chopin in the rumpus room For modern mobile Amer ican living put the music where you want it with the SlecheYorc lt The Slecho Vores MUCA AR a And best of alll it s only 48 00 Audiophile Net e EASY TO INSTALL simply place it where you want it e WEATHERPROOF a true out doors the year around system e PORTABLE wonderfully light and easy to carry e RUGGED DIE CAST CONSTRUCTION ideal for patio or rumpus room activities e STEREOPHONIC SOUND use two easily portable Musicasters eeeoeeeoeocooaeoeoeoaeeocooseceoeooeoees SSOHSSHSHOSSHSOSSHOSSSSSHSSOHOSSCHSSSSHSHSSSSSSSOHTSSHSSHTSSOSOSHTSSSHSSSSSSHSSCHSOOHTOSSSSSESOS e eeceoeoeceecseseceeceseceeeceeseeeeeeeoceco OUTDOORS OR IN RELY ON ELECTRO VOICE YOUR WISEST CHOICE IN HIGH FIDELITY COMPONENTS AND COMPLETE SYSTEMS SEE HEAR THE MUSICASTER TODAY AT YOUR DISTRIBUTOR S Or write TECHNICAL SPECIFICATIONS Frequency Response 60 to 16 000 cps Power Handling Capacity Depth 84 Im2. MUSICASTER AND MUSICASTER Il HIGH FIDELITY WEATHERPROOF LOUDSPEAKERS Py 7 a le ANIN A nd NG Musicaster Musicaster II The Electro Voice Musicasters are compact wide range inte grated loudspeaker systems particularly suited to voice and music reproduction Phenomenal bass response in units so small is achieved through optimum design of the folded horn in the aluminum housing High frequencies are smoothly and efficiently radiated from the exclusive Electro Voice Radax dual cone driver assembly In addition the Musicaster II utilizes a Super Sonax very high frequency driver to provide a smooth extension of highs plus improved disper sion above 3500 eps Rugged construction of the Musicasters is achieved through the use of a one piece aluminum housing The result of the most advanced engineering and production techniques this die casting is the world s largest of its type FEATURES e Weatherproof for indoor or outdoor use e Wide range for best musical reproduction Balanced sound for clear speech projection Rugged aluminum housing for years of use Portable for maximum versatility All parts of the Musicasters are weatherproofed and fungus proofed for reliable operation under any conditions The Musicasters may be used indoors or out in homes offices or industrial applications Built in feet are ideal for portable applications and the mounting bracket easily converts to a carrying handle for this light
3. be provided Integral diecast feet shall be cast into the housing to allow the system to be placed on a flat surface A protective screen shall be provided to shield the loudspeaker The speaker shall be weatherproofed and fungus proofed The cone speaker shaH be 8 ohms nominal imped ance and 8 inches nominal diameter It shall be of the dual cone Radax design In the Musicaster II a compression type tweeter shall be provided utilizing a diffraction horn above 3500 cps Terminals shall be phased The frequency response of the Musicaster shall be 60 to 13 000 eps fre quency response of the Musicaster II 60 to 18 000 cps The dispersion of both models shall be 120 degrees The EIA pressure level rating shall be 48 db The sound pressure level from 500 to 1500 cps at 4 feet on axis with 30 watts input shall be 110 db Power handling capacity shall be 30 watts of program material or 60 watts peak Size shall not exceed 21 Hx21 Wx8 D Net weight shall be 31 Ibs for the Musicaster 33 lbs for the Musicaster II Internal studs shall be provided for mounting of a standard matching trans former An accessory surface mounting bracket shall be available Electro Voice Musicaster and Electro Voice Musi caster II are specified Figure 2 Polar Distribution Characteristics Figure 3 Wiring Diagram Figure 4 Wiring Diagram Multiple Musicasters in Series Multiple Musicasters in Parallel Figure 5 Wiring
4. but powerful system The speaker may also be permanently mounted in any position for best sound coverage In the Musicasters careful design has achieved superb mu sical balance without loss of clarity or intelligibility of speech This is important particularly where the system may be used for both paging and music distribution The Radax cone design virtually eliminates the danger of failure due to accidental high frequency feedback and feedback problems are reduced because of the smooth peak free response The Musicasters are ideal for schools churches auditoriums meeting halls restaurants super markets and offices as well as a portable home high fidelity loudspeaker on the patio in the family room and throughout the house At square dances rallies picnics and outdoor concerts the Electro Voice Musicasters will perform reliably delivering wide range music and crisp clear speech SUaNVAdSAaNO ALITAGIA HOIH ANY MALS WDISNMA SPECIFICATIONS MUSICASTER MUSICASTER II Frequency Response 60 to 13 000 cps 60 to 18 000 cps Dispersion 120 degrees 120 degrees EIA Pressure Rating 48 db 48 db Sound Pressure Level 110 db 500 to 1500 cps at 4 on Same axis with 30 watts input Power Handling Capacity 30 watts Program Material Same 60 watts Peak Nominal Impedance 8 ohms 8 ohms Mechanical Crossover 3500 cps Same Electrical Crossover None 3500 cps 3 Mounting Universal U Bracket integral die Same cast feet for p
5. erably in a corner Corner mounting allows the walls to act as extensions of the folded horn and insures even sound cover age Two or more Musicasters may be placed side by side for increased bass response Because the Musicaster is completely weatherproofed it may be mounted at any angle For surface mounting on flat walls the Model 573 Mounting Bracket provides a neat un obtrusive and rugged installation The U bracket is re moved and the Musicaster is inverted The heavy Surface Mounting Bracket fits snugly against the wall and is invisible in most installations WIRING The Musicaster has a nominal impedance of 8 ohms When two or more units are connected in parallel for proper phasing all the terminals coded T1 should be connected to one side of the line and all the T2 terminals should be con nected to the opposite side For series operation the T1 terminal of one unit should be connected to the T2 terminal of the next and so forth MULTIPLE SPEAKER CONNECTIONS Figure 8 shows how two or more Musicasters may be connected in series The indi vidual impedances are additive thus the total impedance for the circuits shown is 16 ohms and should be matched to a 16 ohm tap on the output transformer if one is provided Figure 4 discloses the solution to the problem in case only 4 and 8 ohm taps are provided When using two Musicasters in this case they should be paralleled thus permitting a 4 ohm load impedance to be con
6. lacement in any flat surface also provided n Size 21 Hx 21 Wx 8 D Same not including bracket A Weight 31 Ibs net 33 Ibs net H eiiie j 34 Ibs shipping 36 Ibs shipping S Accessories Model MB 1 Surface Mounting Bracket Same Fig 1 Dimensions Slecho Voice ENGINEERING DATA MUSIGASTER AND MUSICASTER I INSTALLATION INSTRUCTIONS Loosen the hex bolts on either side to adjust the U mount ing bracket to the desired position For permanent mounting the bracket should be completely removed and mounted in position The Musicaster can then be replaced on the bracket This procedure will prove simplest particularly when the system may be difficult to reach for it will not be necessary to support the weight of the entire system while positioning and attaching the bracket For portable applications the mounting bracket may be adjusted to an upright position to serve as a handy carrying handle The Musicaster should be carefully directed toward the area to be covered by sound Be careful to avoid locating microphones generally in front of the speaker to reduce the possibility of feedback If used indoors sound should not be allowed to bounce off highly reflective walls into the microphone Best sound coverage will be obtained within a 120 degree angle from the loudspeaker with both vertical and horizontal coverage identical Improved bass response may be achieved by locating the Musicaster adjacent to a wall or pref
7. nected to the 4 ohm tap on the output transformer with a perfect match Quite frequently it is necessary to series parallel a large number of speakers in order to arrive at a proper amount of total impedance to equal the impedance tap available on the output transformer When two or more sections or groups of speakers are connected in parallel totaling different impedances for each group the following formula may be employed to determine the proper tap to use on the output transformer FORMULA 1 1 1 1 1 4 4 4 Rr R Rx Where Rr total impedance R Re Ry individual impedances of various units or groups of units Interior studs allow mounting of any standard matching transformer for use with a 70 7 volt line distribution system The twelve screws holding the perimeter of the back panel as well as the two central screws must be removed to pro Part No 53784 ELECTRO VOICE INC Buchanan Michigan vide access to the internal area The transformer should be mounted with 8 32 thread cutting screws Be certain the transformers of all speakers are wired uniformly to assure correct phasing during installation ARCHITECTS AND ENGINEERS SPECIFICATIONS The outer housing shall be of one piece rectangular diecast aluminum construction The back panel shall be weather proof oil tempered pressed board construction A U type mounting bracket suitable for use as a portable carrying handle shall
8. pedance 8 ohms ue duty Weight 24 Ibs eight Sound Pressure Level 121 db Width sik Finish Baked enamel e PUBLIC ADDRESS SYSTEM us it as a family paging unit POSSOHHHOOSSOSHOSOSOSHOHHOSEHSHSOSOHHGHOSHOHHSHEHTOHH89088884050000000000808 ol
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