Owner's manual
SRa5P and SRa Dual Receivers
LECTROSONICS, INC.
4
Digital Hybrid Wireless
®
TheLectrosonicsDigitalHybridWireless
®
uses innova-
tive technology to combine the advantages of digital
audio with the advantages of analog RF transmission.
Theresultdeliversthesuperiorsoundqualityofadigital
system and the excellent range of an analog system.
Aproprietaryalgorithmencodesthedigitalaudioinfor-
mation into an analog format which can be transmitted
in a robust manner over an analog FM wireless link. The
receiveremploysstate-of-the-artlters,RFampliers,
mixersanddetectortocapturetheencodedsignaland
a DSP recovers the original digital audio.
SRa
Inresponsetodemandforexternalantennaconnections
andtheOCTOPACKmulticoupler,thisisthecurrentver-
sionofthebasicreceiverwithdetachablewhipantennas
andtheaudiooutputontherearpanelonly.
SRa5P
Thecurrentversionofthefull-featuredreceiver.De-
tachablewhipantennasandsecondaudiooutputon
lefthandsideofthefrontpanel.Willalsoworkwiththe
OCTOPACKmulticoupler.
Model Differences
InthismanualyouwillseeboththeSRa5PandSRapicturedinvariouscontexts.Thereisnofunctionaldifference
betweenthetwomodelsotherthanthesecondoutputjackonthe5Pversion,soeitherreceivermaybeusedaseither
ispictured.
Thisdigital/analoghybridtechniquehassomevery
benecialproperties.Becausetheinformationbeing
transmitted is digitally encoded, immunity to noise is
muchhigherthanwhatacompandorcanoffer.Because
theencodedaudioissentinanalogformat,spectral
andpowerefciencyandoperatingrangearenotcom-
promised.
Under weak RF conditions, the received signal de-
grades gracefully, like an analog system, delivering
asmuchusableaudioaspossibleatmaximumrange.
Sincetheaudioisfreeofcompandorartifacts,pumping
andbreathingproblemsarealsogreatlyreduced.