Table of Contents: USER’S GUIDE · a few common microphone techniques for creating stereo sound images As in all miking scenarios, experimenting with the distance from your sound

Table of Contents:

Introduction����������������������������������������������������������������������������������������������������������2

Overview���������������������������������������������������������������������������������������������������������������3

Precautions�����������������������������������������������������������������������������������������������������������4

TheInterchangeableMicrophoneCapsules�����������������������������������������4-5

StereoMicrophoneTechniques����������������������������������������������������������������6-9

Specifications�����������������������������������������������������������������������������������������������10-11

Warranty�������������������������������������������������������������������������������������������������������������� 12

USER’S GUIDE

SCI-3212

2

Thank you for choosing Senal.

TheSenalSCI-3212isaruggedsmall-diaphragmcondensermicrophonecapableofdeliveringprofessional-qualityaudioforavarietyofrecordingapplicationsinthefieldorinthestudio�

Itsuniquedesignfeaturesthreeinterchangeablecapsulesthatallowthismicrophonetochangepolarpatternsquicklyandeasily�Theomnidirectional,cardioid,andsupercardioidcapsulesprovideadaptabilityforawiderangeofrecordingscenarios�Theexcellenttransientresponseandhighsensitivityassuredetailedandaccuratesoundwhenrecordinginstrumentsordialog�HighSPLhandlingcapabilityenablesclosemicplacementtocymbals,pianos,guitars,andotheracousticinstruments,aswellasrecordinginhigh-noiseenvironments�Asamatchedpair,theSCI-3212’sversatilityprovidestheoptionofselectingbetweenseveralstereomikingtechniquesforawideandtruestereosound�

Anincludedshockmountallowsforeasyboompolemountingwhenrecordingdialogindoorsorinthestudio�Theincludedfoamwindscreenminimizeswindnoisewhenshootingoutdoors�

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Introduction

3

Overview

Overview ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Interchangeable capsule

XLR connector

Shock mount

Cardioid capsule

Omnidirectional capsule

Supercardioid capsule

Foam windscreen

Carrying case(SCI-3212MP only)

4

Precautions

▪ Pleasereadandfollowtheseinstructionsandkeepthismanualinasafeplace�

▪ Keepthisproductawayfromwaterandallflammablegasesorliquids�

▪ Donotattempttodisassembleorrepairthisproduct�

▪ Makesurethatthisproductisintactandthattherearenomissingparts�

▪ Allimagesareforillustrativepurposesonly�

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Precautions / The Interchangeable Microphone Capsules

The Interchangeable Microphone Capsules

TheSCI-3212comeswiththecardioidcapsuleattached�Tochangethecapsule:

• Removethecapsulefromthemicrophonebyturningitcounterclockwise�

• Attachthenewcapsulebyscrewingitclockwiseontothemicrophone�

5The Interchangeable Microphone Capsules ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Omnidirectional capsule

DuetothehighsensitivityoftheSCI-3212,theomnidirectionalcapsuleissuitableforcapturingambientsoundsoftheenvironmentandfornaturerecording�It’salsoagoodchoicewhenrecordinglivesoundormusic�Considertheomnidirectionalcapsulewhenclose-mikingguitarsorvoicesinthestudioorinquietspaceswithoutbackgroundnoise�Asamatchedpair,theomnidirectionalcapsuleisidealforA/Bstereorecording�See A/B (Spaced Pair) techniqueonpage6�

Cardioid capsule

Thecardioidcapsuleoffersawidevarietyofusesinthefieldandinthestudio�It’sidealforcapturingacousticinstrumentsinliveandstudiosettings,andit’sveryeffectiveasadrummicorasadrumoverhead�Whenrecordingspeechordialoginthestudiooronlocation,thecardioidpolarpatternislesssusceptibletopickingupreflectionsthanshotgunmicrophones�Thismakesitanexcellentoptionforboompoleuse�Asastereopair,thecardioidcapsulesareexcellentforX/YandORTFstereorecording�See X/Y (Coincident Pair) technique onpage7andORTF (Near Coincident) technique onpage8�

Supercardioid capsule

Thesupercardioidcapsulefocusesonthesounddirectlyinfrontofitwhilerejectingoff-axissound�Thisisadvantageouswhenrecordinginterviewsordialoginnoisyenvironments�Itisalsowellsuitedforloudstageenvironments�

6

Stereo Microphone Techniques

YourmatchedpairofSenalSCI-3212microphonesisidealforcapturingstereosound�Microphoneplacementiscrucialinsuccessfulstereorecordings�Thefollowingareafewcommonmicrophonetechniquesforcreatingstereosoundimages�

Asinallmikingscenarios,experimentingwiththedistancefromyoursoundsourceandthedistancebetweenthemicrophoneswillultimatelyresultinthebeststereorecordings�

A/B (Spaced Pair) technique

Usetheomnidirectionalcapsules�

• Placethemicrophonesparalleltoeachotherandpointbothmicrophonestowardthesoundsource�

• There’snohardandfastruleforachievingthebestresultsusingthistechnique�Experimentbyadjustingthedistanceofthemicrophonesfromthesoundsource,andthedistanceofthemicsfromeachother�

• Sendthemonosignalfromeachmicrophonetoitsowntrack�

Note:Duetothetimingoffsetofthesoundreachingeachmicrophone,youmayexperiencephasecancellationifmixingthestereosignaldowntoamonotrack�

▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Stereo Microphone Techniques

7Stereo Microphone Techniques ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

X/Y (Coincident Pair) technique

Usethecardioidcapsules�Sincethecapsulesareplacedclosetogether,thestereoimagewon’tbeaswideastheA/BorM/Stechniques�

• Placethetwomicrophonesatananglebetween90°and135°sothatthetwocapsulesareveryclosetoeachotherbutnottouching�

• Theidealconfigurationistohavethemicrophonesplacedverticallysothatonecapsuleisdirectlyabovetheother�However,placingthemicrophonessidebysidewillalsodeliversatisfactoryresults�

• Thewidertheangleis,thewiderthestereoimagewillbe�

• Sendthemonosignalfromeachmicrophonetoitsowntrack�

Note:Ifyouaremixingthetwotracksdowntoamonotrack,youwillnotencounterthepotentialphasecancellationissuesthatcanoccurintheothermictechniques�

90°–135°

8 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Stereo Microphone Techniques

ORTF (Near Coincident) technique

Usethecardioidcapsules�Thistechniqueisgoodforrecordingdialogorsoundinstereowithoutpickingupalotoftheambientroomnoise�

• Spreadthemicrophonesoutwardatanangleof110°whilemakingsurethatthecapsulesareabout6�5″(17cm)apart�

• Sendthemonosignalfromeachmicrophonetoitsowntrack�

Note:Duetothetimingoffsetofthesoundreachingeachmicrophone,youmayexperiencephasecancellationifmixingthestereosignaldowntoamonotrack�

6.5″

110°

9

M/S (Mid/Side) technique

Useeitherthecardioidoromnidirectionalcapsules�ThistechniquerequiresoneSCI-3212microphoneandafigure-8(bidirectional)large-diaphragmcondensermicrophoneliketheSenalSCM-660�Thistechniqueisexcellentforcapturingtheambiencesurroundingyoursoundsourceandoftenoffersthegreateststereowidth�

• PointtheSCI-3212directlyatthesoundsource(mid)�

• Placethefigure-8microphonejustbelowthecapsuleoftheSCI-3212andata90°angle(side)�

• Sendthestereosignalfromthefigure-8microphonetoastereotrack,andthemonosignalfromthecardioidmicrophonetoitsownmonotrack�

• Thecardioidmicrophone(mid)willrecordthesoundsourcedirectlyinfrontofitwhilerejectingtheoff-axissound�Thefigure-8microphone(side)willrecordtheoff-axissound�

Note:Mixingthesesignalscanbetricky�Duplicatethesidechannelandreversethepolarity�Thencombinebothsidetracksontoonestereotrack�Mixinthemidchannelwiththestereotrack�Thelouderthestereosidetrackis,thegreaterthestereowidthwillbe�

Stereo Microphone Techniques ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

SoundSource

90°

10 ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Specifications

Transducer Backelectretcondenser

Polar pattern Omnidirectional,cardioid,supercardioid

Frequency response 30Hzto18kHz

Sensitivity -36dB±3dB(0dB=1V/Paat1kHz)

Maximum input SPL 125dB(THD<1�0%at1kHz)

Power requirements 9–52Vphantompower

Equivalent Noise Level ≤27dBA(IEC581-5)

Output impedance 350Ω ± 30%

Load impedance ≥1000Ω

Diameter 0�8ʺ(2cm)

Height 5ʺ(12�8cm)

Weight 3�8oz(108�2g)

Specifications

11Specifications ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪

Frequency Response Graph

Frequency in Hertz

-20

-30

-40

Relative Response in dB

0 50 100 500 1K 5K 10K 20K

-30

-40

-500 50 100 500 1K 5K 10K 20K

-20

-30

-400 50 100 500 1K 5K 10K 20K

0°30°

60°

90°

120°

150°180°

210°

240°

270°

300°

330°

0°30°

60°

90°

120°

150°180°

210°

240°

270°

300°

330°

0°30°

60°

90°

120°

150°180°

210°

240°

270°

300°

330°

200

200

200

2K

2K

2K

Omnidirectional

Cardioid

Supercardioid

Polar Pattern

GG4

Two-Year Limited Warranty

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