Electro-Voice S1522ER User's Manual
Contents
1. SPECIFICATIONS Axial Frequency Response swept sine wave anechoic environment 4 volts at 10 feet on axis normalized for 1 watt 1 meter into mid bass driver see Figure 1 50 20 000 Hz Low Frequency 3 dB Down Point 55 Hz Usable Low Frequency Limit 10 dB down point 50 Hz Half Space Reference Efficiency 4 1 Long Term Average Power Handling Capacity per ANSVEIA 426 1980 see Power Handling Test section 200 watts Maximum Woofer Acoustic Output 8 2 watts Sensitivity SPL at 1 meter 1 watt into nominal impedance anechoic environ ment band limited pink noise signal 300 2 000 Hz 100 dB Beamwidth angle included by 6 dB down points on polar responses indicated one third octave bands of pink noise see Figure 3 250 to 20 000 Hz Horizontal 110 60 5 000 to 20 000 Hz Vertical 51 7 Directivity Factor R Q 800 to 16 000 Hz Median see Figure 4 11 6 5 5 8 Directivity Index D 800 to 16 000 Hz Median see Figure 4 10 5 dB 1 5 dB 5 dB Distortion 0 1 Full Power Input Second Harmonic 100 Hz 3 1 000 Hz 4 10 000 Hz 10 Third Harmonic 100 Hz lt 1 1 000 Hz lt 1 10 000 Hz 5 Distortion 0 01 Full Power Input Second Harmonic 100 Hz 1 1 000 Hz 2 10 000 Hz 4 Third Harmonic 100 Hz lt 1 1 000 Hz lt 1 10 000 Hz 1 Transducer Complement High Frequency DH 2010A HT94 constant directivity horn Low Frequency EVG 15 Box Tuning Frequency 42. beginning with the date of original purchase If such malfunction occurs during the specified period the product will be repaired or replaced at our option without charge The product will be returned to the customer pre paid Exclusions and Limitations The Lim ited Warranty does not apply to a exterior finish or appearance b certain specific items described in the individual product line statement s below or in the individual product data sheet or owner s manual malfunction resulting from use or operation of the product other than as specified in the product data sheet or owner s manual d malfunction re sulting from misuse or abuse of the product or e malfunction occurring at any time after re pairs have been made to the product by anyone other than Electro Voice or any ofits authorized service representatives Obtaining Warranty Service To obtain warranty service a cus tomer must deliver the product prepaid to Electro Voice or any of its authorized service representatives together with proof of purchase of the product in the form of a bill of sale or receipted invoice A list of authorized service representatives is available from Electro Voice at 600 Cecil Street Buchanan MI 49107 616 695 6831 or 800 234 6831 Incidental and Consequential Damages Excluded Product repair or replacement and return to the cus tomer are the only remedies provided to the customer Electro Voice shall not be liable for a
3. but we apply the long term average for several hours adding another measure of reliablility Specifically the S1522ER is designed to with stand the power test described in EIA Standard RS 426A The EIA test spectrum is applied for eight hours To obtain the spectrum the output of a white noise generator white noise is a particular type of random noise with equal energy per bandwidth in Hz is fed to a shaping filter with 6 dB per octave slopes below 40 Hz and above 318 Hz When measured with the usual constant percentage bandwidth analyzer 1 3 octave this shaping filter produces a spectrum whose 3 dB down points are at 100 Hz and 1 200 Hz with a 3 dB per octave slope above 1 200 Hz This shaped signal is sent to the power amplifier with the continuous power set at 200 watts into the 6 0 ohms EIA equivalent impedance 34 6 volts true RMS Amplifier clipping sets instantaneous peaks at 6 dB above the continuous power or 800 watt peak 69 2 volts peak This procedure pro vides a rigorous test of both thermal and me chanical modes STAND MOUNTING The 51522 can be mounted the 100BK speaker stand or any other stand with a 1 3 8 inch diameter shaft UNIFORM LIMITED WARRANTY Electro Voice products are guaranteed against malfunction due to defects in materials or work manship for a specified period as noted in the individual product line statement s below orin the individual product data sheet or owner s manual
4. 2 Hz Crossover Frequencies 1 600 Hz Crossover Slope 12 dB per octave Impedance Nominal 8 ohms Minimum 7 1 ohms Input Connections Parallel 1 4 in phone jacks allows paralleling of multiple speakers Enclosure Materials and Color Black carpet covered 3 4 Road Wood Grille Perforated metal Dimensions Height 810 mm 31 9 in Width 627 mm 24 7 in Depth 394 mm 15 5 in Net Weight 1522ER Two Way Stage Speaker System circuit provides HF driver protection e Integral stand mount Roadworthy enclosure with metal corners and grille and heavy duty handles Constant directivity 90 X 40 die cast horn High excursion EVG 15 15 inch woofer specially designed for use in a trapezoidal enclosure 28 2 kg 62 Ib Shipping Weight 31 4 kg 69 2 Ib DESCRIPTION The Electro Voice 1522ER is a 200 watt two way high efficiency constant directivity stage system featuring a vented direct radiating woofer section It combines professional qual ity components arranged in a vertical array with an unusually durable trapezoidal enclosure The resultis wide range accurate sound repro duction with transparent highs and extended bass response The enclosure is constructed of Road Wood astructural material made of layered and selec tively oriented hardwood strands strongly bonded together with phenolic resins This high strength shell is then covered with densely
5. ic damping of particle board without brittleness Road Wood uses the same principle of crossbanding veneers as in plywood in order to achieve its very high rigidity A tough liquid phenolic resin is blended with long narrow strands of hardwood Alternate layers are per pendicularly bonded under intense heat and pressure to form panels of superior uniformity Unlike many grades of plywood Road Wood is dimensionally stable water resistant and free from voids A combination of dado cut joints tough adhe sives and proper bracing ensure a sonically dead enclosure free from panel resonances The densely woven industrial grade abuse resistant carpeting provides a finish that is both attractive and highly durable Large heavy duty metal corner protectors firmly se cured rubber feet recessed handles and a protective metal grille complete the system and ensure that the S1522ER is ideally suited to a long and reliable life on the road FREQUENCY RESPONSE The combination of a 15 inch woofer wide bandwidth high frequency driver and an equal ized crossover results in the wide and smooth overall response shown in Figure 1 Curves are shown for normal box tuning This response was measured at 10 feet using a swept octave input of 4 volts no external equalization was used DIRECTIVITY A unique feature of the S1522ER is the constant directivity dispersion provided by the 90 x 40 horn The polar response of the sy
6. ny incidental or consequential damages in cluding without limitation injury to persons or property or loss of use Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you Other Rights This warranty gives you specific legal rights and you may also have other rights which vary from state to state Electro Voice Speakers and Speaker Sys tems are guaranteed against malfunction due to defects in materials or workmanship for a period of five 5 years from the date of original purchase The Limited Warranty does notapply to burned voice coils or malfunctions such as cone and or coil damage resulting from improp erly designed enclosures Electro Voice active electronics associated with the speaker sys tems are guaranteed for three 3 years from the date of original purchase Additional details are included in the Uniform Limited Warranty statement Service and repair address for this product Electro Voice Inc 600 Cecil Street Buchanan Michigan 49107 616 695 6831 or 800 234 6831 Specifications subject to change without notice
7. onment 30 1000 TEN s o 50200 fa 42 5 52 T 23 atasa AA ae FREQUENCY IN HERTZ eh gt L gt 5512 16 AX 52 5 dB PER HORIZONTAL DIVISION VERTICAL CONSTANT DIRECTIVITY SPEAKER SYSTEM The crossover frequency and speaker compo nent geometries have been selected so that the directional characteristics of the woofer and constant directivity horn match at the cross over frequency approximately 90 circular cov erage patterns for each to create a special system type the constant directivity system At higher frequencies the horizontal coverage pattern remains constant and the vertical pat tern smoothly transitions to a 40 to 50 angle above 5 000 Hz Response within the 90 x 40 rated coverage angle is uniform which means dependable audience coverage without hot spots or dead zones at certain frequencies The 90 x 40 dispersion characteristic also helps avoid early reflections from nearby floor or side wall surfaces which could degrade performance The controlled directivity of the high and low frequency transducers also elimi nates response irregularities caused by diffrac tion off nearby enclosure edges ENCLOSURE CONSTRUCTION 81522 enclosure utilizes a structural material that combines the strength of high quality plywood with the density and acoust
8. stem at selected 1 3 octave bandwidths is shownin Figure 2 These polar responses were measured in an anechoic environment at 10 feet using 1 3 octave pink noise inputs The frequencies selected are fully representative of the polar response of the system Beamwidth of the system utilizing the complete 1 3 octave polar data is shown in Figure 3 R Q and directivity index D are plotted in Figure 4 POWER HANDLING CAPACITY To our knowledge Electro Voice was the first U S manufacturer to develop and publish a power testclosely related to real life conditions First we use a random noise input signal be cause it contains many frequencies simulta neously just like real voice or instrument pro gram Second our signal contains more energy at extremely high and extremely low frequen cies than typical actual program adding an extra measure of reliability Third the test sig nal includes not only the overall long term average or continuous level which our ears interpret as loudness but also short duration peaks which are many times higher than the average just like actual programs The long term average level stresses the speaker thermally heat The instantaneous peaks test mechanical reliability cone and diaphragm excursion Note that the sine wave signals sometimes used have a much less demanding peak value relative to their average level In actual use long term average levels exist from several seconds on up
9. woven abuse resistant black carpeting U S Patent 4 624 338 The high frequency section of the 1522ER utilizes a 90 x 40 constant directivity horn driven by a one inch throat wide bandwidth titanium diaphragm driver This driver uses a unique convex drive Time Path phasing plug structure U S Patent 4 525 604 for smooth and extended high frequency performance The bass section of S1522ER is designed using Thiele Small parameters for efficient per formance to below 60 Hz The new EVG 15 15 inch woofer used is specially designed fea turing an extended length voice coil and high temperature construction materials A 1522ER SPECIFICATION GRAPHICS EASE TAS RAEN UR EPR IP a ESE FIGURE 1 Axial Frequency Response FIGURE 3 Beamwidth vs Frequency anechoic environment 1 watt 1 meter whole space anechoic environment 110 LT TTT 18 o AYTEN PP ol Soo LMT TT TTT TT TTT 8 eo z 1 E 4 80 79 w 1 w ne 2 m m FREQUENCY IN HERTZ FREQUENCY IN HERTZ FIGURE 2 One Third Octave Polar Responses anechoic environment FIGURE 4 Directivity vs Frequency SAN whole space anechoic envir
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