Peavey SP 4Ti User's Manual
Contents
1. SPECIFICATIONS Frequency Response 48 Hz 17 kHz Low Frequency Limit 3 dB point 48 Hz Useable Low Frequency Limit 10 dB point 38 Hz Power Handling 350 watts continuous 37 4 volts RMS 700 watts program Sound Pressure Level 1 Watt at 1 Meter Swept Sine Input in Anechoic Environment 102 dB Maximum Sound Pressure Level 127 dB Radiation Angle Measured at 6 dB Point of Polar Response Horizontal Plane Vertical Plane 500 1 6 kHz 500 1 6 kHz 100 30 115 435 1 6 kHz 5 kHz 1 6 kHz 5 kHz 90 2590 70 25 5 0 kHz 16 0 kHz 5 0 kHz 16 0 kHz 100 5 50 5 Directivity Factor Q 500 Hz 16 000 Hz Median 43 69 08 Directivity index Di 500 16 000 Hz Median 63 dB 4 2 dB 0 9 dB Transducer Complement Two 15 Kevlar impregnated 1505 8KA Black Widow woofers one 22T titanium compression driver on a CH 2 90 x 45 horn Tuning Frequency F box 42 Hz Crossover Frequency 300 Hz 1200 Hz Crossover Type Quasi three way passive internal Electrical Crossover Slope High pass and upper low pass modified 12 dB octave 2nd order Lower low pass modified 18 dB octave 3rd order Impedance Nominal 4 0 ohms Impedance Minimum 3 9 ohms Input Connections Two full range 1 4 female connectors in parallel one each 1 4 female connector for biamp high amp low Enclosure Materials amp Finish 7 ply high density 34 plywood covered wit2. driver to operate up to the low mid range giving the system a smooth frequency response from 48 Hz to 17 kHz Full range or biamp operation is available via 1 4 female inputs The SP 4Ti may be operated with a Dynamic System Controller Series 23 processor to extend the low end to 38 Hz DIRECTIVITY Beamwidth and directivity factors are derived from the 6 dB points from the polar plots see figure 3 which are measured in a whole space anechoic environment These are specifications which provide a reference to the coverage characteristics of the enclosure These parameters provide in sight for proper enclosure placement and installation in the chosen environ ment The blending of the components of the SP 4Ti exhibits a desirable beam width and directivity factor figure 4 and 5 suitable for all high level sound rein forcement applications FREQUENCY RESPONSE This measurement is useful in determin ing how accurately a given enclosure reproduces an input signal The fre quency response of the SP 4Ti is measured at 1 meter using a 2 82 volt swept sine input As shown in Figure 1 the selected drivers in the SP 4Ti com bine to give a smooth frequency response from 48 Hz to 17 kHz POWER HANDLING There are many different approaches to power handling ratings Peavey rates this speaker system s power handling using a modified form of the AES Stan dard 2 1984 Utilizing audio band 20 Hz 20 kHz pink noise with p
3. UM LOU NORMAL BI AMP FULL RANGE HI LOW 1991 ARCHITECTURAL amp ENGINEERING SPECIFICATIONS The loudspeaker system shall have an operating bandwidth of 48 Hz to 17 KHz The output level shall be 102 dB when measured at a distance of one meter with an input of one watt The nominal impedance shall be 4 ohms The continuous power handling shall be 350 watts maximum program power of 700 watts with a minimum amplifier headroom of 3 dB The nominal radiation geometry shall be 90 in the horizontal plane and 45 in the vertical plane The outside dimen sions shall be 26 wide by 53 high by 20 deep The weight shall be 135 pounds The loudspeaker system shall be a Peavey model SP 4Ti ONE YEAR LIMITED WARRANTY NOTE For details refer to the warranty statement Copies of this statement may be obtained by contacting Peavey Elec tronics Corporation P O Box 2898 Meridian Mississippi 39302 2898 Features and specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39302 2898 U S A 601 483 5365 Telex 504115 Fax 484 4278 80301416 Printed in U S A 2 91
4. eaks over four times the RMS level this strenuous test signal assures the user that every portion of this system can withstand today s high technology music The test signal contains large amounts of very low frequency energy effectively simulating the frequency con tent of live music situations The full measure of high frequencies in the test signal allow for exposure of the speaker system to synthesize tone that may ex tend beyond audibility This rating is contingent on having a minimum 3 dB of amplifier headroom available division 100 Hz 200 Hz 500Hz 1kHz 2 kHz 5 kHz 10kHz 20kHz Figure 1 FREQUENCY RESPONSE N AN MA e a a ak 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz Figure 2 IMPEDANCE A Horizontal O Vertical 100 Hz 1000 Hz 10000 Hz Figure 4 BEAMWIDTH VS FREQUENCY nen A ia EH 100 Hz 1000 Hz AML Hz 10Q Figure 5 DIRECTIVITY Figure 3 POLAR PATTERNS oe D ta Ne X oe X a g xs 9 By HORIZONTAL IXI SP 47i Sound Reinforcement System A PRODUCT OF PEAVEY ELECTRONICS CORP MERIDIAN MS MADE IN U S A MAX POWER 700W RMS PROGRAM 350W RMS 37 4v RMS IMPEDANCE 4 OHMS CROSSOVER 1200 Hz EQUIPPED WITH PEAVEY BLACK WIDOW LOUDSPEAKER UILT UNDER U S PATENT NUMBER 4 421 956 WARNING THIS SPEAKER SYSTEM CAN PERMANENTLY DAMAGE HEARING USE EXTREME CARE SETTING MAXIM
5. h wear resistant black carpet Mounting Four large rubber feet Dimensions 26 66 cm W x 53 134 6 cm H x 20 50 8 cm D SPECIFICATIONS Optional Accessories Dynamic System Controller Series 23 an active electronic crossover system with built in high amp low frequency signal pro cessing Also available is the Dynamic System Controller Series 12 a stereo ver sion of the above and the PCS unit Pro cessor Controller System Net Weight 135 Ibs Additional Remarks Unit may be used with or without signal processing in biamp mode integral passive crossover provides outstanding full range use DESCRIPTION The SP 4Ti is a full range quasi three way speaker system with a trapeziodal shaped enclosure permitting multi enclosure arrays The flexibility and performance of this enclosure make it ideal for sound reinforcement musical play back and public address The cabinet is constructed of 34 7 ply high density plywood covered with a durable black carpet The quasi three way system is comprised of two 15 Kevlar impregnated 1505 8KA Black Widow drivers supplying extended low end and up to the low mid range and a 221 titanium compression driver load ed onto a CH 2 90 x 45 constant directivity horn providing the mids amp highs The input spectrum is divided by a passive crossover which sends the ex treme lows to both 15 drivers while allowing only the top 15
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