
whichresultsinverylowpower
compression.Thehighfrequencies
arehandledbya2"Rx™22
titaniumdiaphragmcompression
driverutilizingferrofluidcooling.
Thissuperbdriveriscoupledto
aconstantdirectivityhornwith
smooth,evenresponseandgood
highfrequencydispersion.TheRx
22driverfeaturestheRadialinear
PlanarPhaseCorrectionSystem
(U.S.Patent6,064,745),which
providessmootherandextended
highfrequencyresponse.
Inputconnectiontothesystemis
madeviatwo1/4"phonejacksand
afour-pintwistlockconnector
inparallel.Theinternalpassive
crossoverfeaturestheSound
Guard™IIItweeterprotection
circuitandanadvancedtopology
crossoverwithhighperformance
componentstoprovidehighpower
handlingandreliability.Sound
Guard,Peavey’sproprietaryhigh
frequencydriverprotectioncircuitry,
provideslong-andmedium-term
driveroverloadprotectionwhenthe
systemisusedfullrangewithout
impairingmusicaltransientsor
dynamics.Thecrossoverprovides
driverrolloffandprotectionas
wellasdriverEQforthewoofer
andhornforclean,clear,smooth
response.Highquality,reliable
crossovercomponentsinclude
polypropylenecapacitorsandhigh
currentinductors.Theoptimal
integrationofthecrossoverwiththe
selecteddriversresultsinasmooth
frequencyresponsefrom90Hzto
14kHz,makingithighlyappropriate
formonitorapplications.
Despiteitscompactdimensions
fora15"floormonitorenclosure,
thissystemcanputoutsomevery
highsoundlevelsandhandle1000
wattsofundistortedamplifier
powerprogram,resultinginclean
monitoringwithhigharticulation
andreliability.
Frequency Response
Thismeasurementisusefulin
determininghowaccuratelyagiven
unitreproducesaninputsignal.The
frequencyresponseoftheSP15M
ismeasuredatadistanceof1meter
usinga1watt(intothenominal
impedance)swept-sineinputsignal.
Asshowninfigure1,theselected
driversintheSP15Mcombineto
giveasmoothfrequencyresponse
from90Hzto14kHz.
Power Handling
Therearemanydifferent
approachestopowerhandling
ratings.Peaveyratesthis
loudspeakersystem'spower
handlingusingafull-rangeform
oftheAESStandard2-1984.Using
audioband20Hzto20kHzpink
noisewithpeaksoffourtimes
theRMSlevel,thisstrenuoustest
signalassurestheuserthatevery
portionofthissystemcanwithstand
today'shightechnologymusic.This
ratingiscontingentuponhavinga
minimumof3dBavailableamplifier
headroom.
Harmonic Distortion
Secondandthirdharmonic
distortionsvs.frequencyareplotted
infigures3&4fortwopower
levels,tenpercent(10%)ofrated
inputpowerandeitheronepercent
(1%)ofratedinputpoweror1watt,
whicheverisgreater.Distortion
isreadfromthegraphasthe
differencebetweenthefundamental
signal(frequencyresponse)andthe
desiredharmonic.Asanexample,a
distortioncurvethatisdown40dB
fromthefundamentalisequivalent
to1%distortion.
Mounting
Thisunitisnotdesignedfor
overheadsuspension.Includes
metalstand-mountadapterand
eightrubberfeetontwosidesfor
dual-angleuse.
Architectural & Engineering
Specifications
Theloudspeakersystemshallhave
anoperatingbandwidthof90Hz
to14kHz.Thenominaloutputlevel
shallbe99dBwhenmeasuredata
distanceofonemeterwithaninput
ofonewatt.Thenominalimpedance
shallbe8.0ohms.Themaximum
continuouspowerhandlingshallbe
500wattswithmaximumprogram
powerof1000watts,apeakpower
inputofatleast2,000wattsanda
minimumamplifierheadroomof3
dB.Thenominalradiationgeometry
shallbe40degreesinthehorizontal
plane,and90degreesinthevertical
plane.Theoutsidedimensions
shallbe17.13incheshighby26.13
incheswideby19.88inchesdeep
withtheunitinthe45degreebaffle
orientation.Theweightshallbe56
lbs.Theloudspeakersystemshall
beaPeaveymodelSP15M.
3 + 2 Year Limited Warranty
NOTE:Fordetails,refertothe
warrantystatement.Copiesof
thisstatementmaybeobtained
bycontactingPeaveyElectronics
Corporation,P.O.Box2898,Meridian,
Mississippi39301-2898.
SPECIFICATIONS SP
™
15M