Peavey PSM-2 User's Manual
Contents
1. TOI He 200Hr NOTE 0 and 180 measured at 1 meter at 20 above the infinite boundary EI Ten ZKH SkHz q0kHz 20kHr HORIZONTAL NOTE Vertical polars in halfspace are virtually identical to horizontal polars own PSM 2 550 LM 139 7 E 8 DIMENSIONS ARE EE ne TE WOT CAN HoT EXCEED 0 80 INCHES INGLLDING TOLERANCES mibin as 39901 ix BOUNDARY MIC D 3 D T s D ONE YEAR LIMITED WARRANTY Note For details refer to the warranty statement Copies of this statement may be obtained by contacting Peavey Electronics Corporation P O Box 2898 Meridian Mississippi 39302 2898 FEMVLY Features and specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39301 U S A 601 483 5365 Telex 504115 Fax 486 1278 Printed in U S A 4 94 61994 11803020702. AZ EAVEY Unidirectional Microphone SPECIFICATIONS SPECIFICATIONS Connector Output Module OPERATION pin XLR yr Elemen Type Backelecire ense Dimensions nd reflected fron Polar Pattern the microg slight ardi ardioid in h Weight und f Front To Back Rejection 0 25 dB tyr Furnished Accessories indir jud lect cebla and mounting flected sound may either ad Impedance d to or subtract from irect sou w approx 500 ol ia ilting in num eaks and dips FEATURES Je output response comb titer ef Frequency Response no sick ire ade cd e duced sound Sensitivity en the PSM 2 is placed on the Output P e 3 llecling suriace it becomes part of ige 61 dB ninated Th ar j t Signal To Noise Ratio 1 age o the F Maximum SPL P Pedir Power Requirements es l Phasing S IRIK pecilically designed tor nal ace mounted s pet abet 5 nounted tr the PSM 2 1 2 icrophone ves both feed Finish inidirection t ntrol of u APPLICATIONS AND USE The excellent performance iow profile and rugged construction ol the PSM 2 make it an ideal choice for any sound reinlorcement or recording application in which a unidirectional surlace microphone may be an advantage in footlight areas for stage productions on conference tables or TV news desks on church altars as a plant microphone on walls or ceilings of sets and in any number of related situations In in strumental music appl
3. ications it may be mounted to the inside of a grand pano lid used in front of or inside kick drums or in front of instrument amps For optimum reproduction with the PSM 2 or any similar microphone several important factors must be recognized 1 The low frequency performance is directly related to the size and shape of the reflecting surlace ie the larger the surface the better the low frequency reproduction For full music reproductions for example the sides of the surface should be at least 10 For good speech reproduction surfaces as short as 3 are quite ac ceptable Very good speech performance is obtained on altars or conlerence tables 2 For good results the surface must be acoustically reflective Proper results will not be obtained on carpeted floors or padded tables 3 In situations requiring more than one PSM 2 such as fcotlight areas or long conference tables Ine 3 to 1 rule for microphone placement should be observed for best results This simply means that the distance between adjacent microphones should be at least three tmes the distance to the nearest source for optimum sound quality 4 The optimum working angle between the source and the mounting surface is Irom about 10 to 60 Under no circumstances should the source be below the mounting surface SPECIAL FEATURES The rugged die cast and formed steel construction of the PSM 2 assure unusual dependaoilily even if ac Giden
4. in far enough so that it is clamped by the inner edge of the PC board as the board is sid into position and tighten the two screws 8 Insert the capsule n its orginal posi tion with the foam pad on top Replace grille and secure with desired screw See preceeding paragraph Note For maximum RF rejection t ie mportant that the plug shells of any connecting cables be grounded to pin 1 at each end Ground lifts should not be used ARCHITECTURAL AND ENGINEER ING SPECIFICATIONS The microphone shall be a backelectret condenser type so constructed that it becomes part of the ecoustic boundary when placed on a reflecting surface The frequency response shall be 50 Hz to 20 kHz when used on an infinite boundary The polar response shall be halfcardioic cardioid in hall space with rear response typically 20 dB or more down The microphone shall have an output power evel of 45 dB where OdB mW per Pascal and a nominal impedance of 500 ohms The microphone shall have a non reflecting low gloss black alternatively ivory finish The microphone shall include an in terfacing cable 25 feel long with a 3 pin XLR type output connector The microphone shall be 5 50 inches long and 2 95 inches wide with a height of 7 08 inches The microphone shall operate proper ly with any 9 52 volt phantom power source The microphone shall be a Peavey PSM 2 or equivalent FREQUENCY RESPONSE 1068 por
5. tally stepped upon on a stage floor Despite the great durability the PSM 2 is light enough to be easily at tached to a wall ceiling or piano lid by use of double aced tape Note For best performance the tape should not be too thick Velcro cr foam tapes may be thick enough to limit high frequency performance A good grade of carpet tape works very well For more permanent instalation to such surfaces simply remove the screw and nut securing the top grille and replace with the wood screw supplied which may then be screwed directly to the desired surface For those per manent installations requring conceal ment of the cable the PSM 2 may be easily modified to provide bottom cable exit as follows 1 Remove the perforated grille by withdrawing the single screw and nut 2 Lift Ihe capsule and PC board by removing the two screws holding the board ends Lift the capsule to one side and Iree the board by siding it from under the output connector 3 Pierce through the g hole in front of the output connector to perforate the bottom isolation pad 4 Detach the small connector Irom the 25 cable and insert cable end through the pierced opening The cable conductors may now be al tached either to the small connector terminals or to the connecting leads observing the following Red cable conductor to red lead White cable conductor to blue lead Cable shield to white lead 5 To secure the cable simply pull the jacket
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