MS 1S Data Sheet / Manual

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MS 1S Data Sheet / Manual

DATA SHEET / MANUALMS 1SMICROPHONE STAGEGeneral DescriptionThe Rane MS 1S Mic Stage preamplifierprovides the answer when you need justone microphone input in an otherwiseline-level world. Give us a call to go fromeither a dynamic, condenser or electretmicrophone to a line-level input with aminimum of noise, distortion, cost andhassle.The MS 1S provides 48 V switchablePhantom Power with an indicator LED,continuous rotary Gain trim between 15dB and 60 dB, Signal/Overload LED, andXLR balanced Input & Output connectors.A Polarity switch and high-currentcross-coupled output line driver round outthe features.The MS 1S utilizes one of the finestultra low noise amplifier designs available.Featuring a true differential input withhigh common-mode rejection, use of theMS 1S guarantees performance usuallyfound only in mixing consoles costingthousands of times as much. Of course,for all of that extra money you receive aproportional increase in KPSI (knobs persquare inch).The MS 1S replaces the MS 1B MicStage with a new internal universal powersupply. The width increases by one inch,all other features are the same.Features• -127 dB Equivalent Input Noise• Gain Control• Signal / Overload Indicator• Polarity Switch• Switchable 48 V Phantom Power• True Differential Input• Cross-coupled Line Driver• Internal 100-240 VAC Power SupplyData Sheet-1


MS 1SMICROPHONE STAGEBlock Diagram+48VPHANTOMPOWERSIGNAL / OVERLOADMICINPUT321RFIFILTER+6 dBINVERT21LINELEVEL3 OUTGAIN12-60 dBApplicationInformationUses and applications for the MS 1Sshould be obvious. But then again, it’sobvious to us our taxes are too high andnothing is being done about that. Withthis in mind, perhaps a few words on usingthe MS 1S might not be wasted.BALANCED USEThe MS 1S provides a true cross-coupledbalanced output. This is equivalent to anelectronic simulation of a transformeroutput. Rane follows the AES standard ofpin 2 = hot.When running a long cable back tothe mixer, run a line-level balanced linerather than a mic-level line. The compactMS 1S can mount closer to the microphone,provide a local volume control(or not, just pull the knob off), while thestronger signal minimizes RF and humirritations.UNBALANCED USEBalanced use is recommended to minimizenoise. Unbalanced lines are usuallyquiet under 10 feet (3 meters), but longerruns will introduce the hum and interferenceyou are trying to avoid. When youmust drive an unbalanced device withthe MS 1S's balanced output, keep thecable short, and connect pin 2 to the “+”or “hot” lead, and tie pin 3 and groundtogether at the shield.MIXINGThe MS 1S is designed to fill the need foradding a microphone channel to linelevelmixers, such as the Rane SM 26S orSM 82S. Many installations using eitherof these products invariably wind up withone unused input that would do the jobperfectly if only it could operate at miclevel.In rides the MS 1S to the rescue.DIGITAL RECORDING AND SAMPLINGAnother handy use for the MS 1S is inrecording applications. Many popularproducts do not have a high enough qualitymic preamp to suit the resolution ofthe digital processing electronics. Suchirony. Using the ultra low noise MS 1S tobring the mic inputs up to extremely highquality line-level is an easy and affordablesolution for this dilemma. No garbage in;no garbage out. Clippity-clop; clippity-clop.MICROPHONE TYPESThe available gain and large input range ofthe MS 1S allows the use of virtually anytype of microphone. True 48V phantompower guarantees the MS 1S works withevery microphone. The better the mic, thebetter the MS 1S sounds.Ah, the sound of the thundering hoofs isdeafening.Data Sheet-3


MS 1SMICROPHONE STAGEFront, Top & Rear Panel Dimensions6.1"4 628MIN MAXGAINSIGOLON48V PHANTOMPOWERMS 1SMIC STAGE1.636"0.15"0.775"MS 1SACN 001 345 482100-240 V50/60 Hz 3 WATTSPOWER.7"6.8"MADE IN U.S.A. RANE CORP.THIS DEVICECOMPLIES WITH PART15 OF THE FCC RULESFOR A CLASS ‘B’COMPUTING DEVICE.NORMAL INVERTPOLARITYLINE OUTMIC INPIN 2: (+)PIN 3: (–)PIN 1:2.5"4.225"4.26"0.35"ArchitecturalSpecificationsThe microphone preamplifier shall be asingle channel stand-alone unit with aremovable IEC power cord. The unit shallaccept voltages from 100 to 240 VAC.The input and output shall be fitted withXLR connectors. A polarity invertingswitch shall be included. Phantom powerof no less than 48 volts shall be providedin compliance with IEC 60268-15 and becontrolled by a slide switch with an LEDindicator. A gain control shall be providedwith 18-66 dB adjustment range. Power,system signal and overload indicators shallbe provided. High current cross-coupledactive output line driver shall be standard,as well as input RFI filter protection.The unit shall be a Rane MS 1S MicrophoneStage.©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5000 USA TEL 425-355-6000 FAX 425-347-7757 WEB www.rane.comData Sheet-4All features & specifications subject to change without notice. DOC 104514

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