Manual

ProgramLimiterand“D-Max”Limiter
TheSP27unitshavetwolevelsofdynamicprotectiononitsoutputs–atraditionalprogramlimiter,anda
newlyintroduced“D-Max”limiter.
Highperformancedigitallimitersareprovidedforeachoutputwithcontroloverattacktime,releasetimeand
thresholdparameters-seepagefordetails.Thislevelofcontrolallowstheusertobalancetherequired
subjectivequalityofthelimiteragainstthedriverprotectionrequirements.Itdoesalsomeanthatan
incorrectlysetlimitermaysoundawful!Inparticular,aswithalllimiters,usingtoofastanattackorreleasetime
willresultin excessivelowfrequencydistortion.Inthesub-menuthereisanoptionforautomatic
limitertimeconstants.Usethisoptionifyouareunsurehowtosetthetimeconstantsmanually.Itis
recommendedtheuseoftheautomaticsetting.
InthismodethetimeconstantswillbeautomaticallysetfromtheHigh-Passfilterfrequencyaccordingtothe
tablebelow.
Thetimeconstantsaresetbythehighpassfilterfrequencyforthatchannel.
ProgramLimiter
DesignaCrossover
HighPassFilter AutoAttackTime ReleaseTime
<10Hz – 31Hz 45mS x16(720mS)
31Hz – 63Hz 16mS x16(256mS)
63Hz – 125Hz 8mS x16(128mS)
125Hz– 250Hz 4mS x16(64mS)
250Hz– 500Hz 2mS x16(32mS)
500Hz - 1kHz 1mS x16(16mS)
1kHz – 2kHz 0.5mS x16(8mS)
2kHz – 32kHz 0.3mS x16(4mS)
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ADVANCEDAUDIOFEATURES