MD 300 - Microphone Microtech Gefell - Free user manual and instructions
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USER MANUAL MD 300 Microtech Gefell
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Black cylindrical device with mesh grille and ventilation slots, labeled 'MD 300' at bottom (no other text or symbols visible)DynamicmicrophoneMD300
TheMD300isahigh-qualitydynamicmicrophonewithafrequencyresponseofthetransmissionfactorthathasbeen optimizedforintelligibility.Itisfeaturedwithanespecially accurateresolutionathighfrequenciesandawell-balanced low-frequencytransmission.Itisinsensitivetomovementsof therecordedsoundsourcechankstothecardioidpolarpattern.
The MD300 is useful as close to talking microphone for an announcer of broadcasting services as well as for high-quality recording of vocalists and instrumentals soloists during live performances.
Acousticalspecifications
Adynamiccapsulewithacardioidpolarpatternisinserted intheMD300assoundtransducer. The frequency response has been optimized for low recording distances with an accentuation of approximately 2dB between 2kHz and 8kHz to raisethespeech and high-frequency presence. The change of the low end frequency response caused by the proximity effect is well-balanced without a very strong overemphasis at small microphonedistances.
Electricalspecifications
ThesoundtransducerinsertedintotheMD300runsaccordingtothemoving-coilprinciple.Themicrophoneisconnectedbyastandard3-pinXLR-maleplugwithasymmetricconnectionassignment.Becauseofthebalancedlow-impedanceoutput,theMD300canbeusedforlongercablelengthwithnegligibledistortion.ThepolarityofthemicrophoneisinaccordancewithDIN60268-4.
Mechanicalspecifications
Thehousingofthemicrophoneisequippedwithanintegratedinternalthreadattheplugsidethatallowsfixingelasticorinflexibleholders,whichareavailableasaccessories. Thisallowsusingthemicrophonewithmicrophonearmsor standmountingsandashandheldmicrophone. Thecapsule ismountedelasticallyinthehousingtoattenuatesolid-borne soundsandimpulses. Ifahigherattenuationofsuchinfluencesisrequired, itcanbeachievedbyelasticholdersand suspensions, whichareavailableasaccessories. Because of theweightof330gwithoutaccessories, theMD300can beusedforlongerperiodsashandheldmicrophonewithnegligibledistortion.
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Black cylindrical device with ventilation grille and attached mechanical base (no visible text or symbols)
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Black adjustable microphone with attached clasp and ventilation slots (no text or symbols visible)Delivery
ThestandarddeliveryoftheMD300includes
DynamicmicrophoneMD300
MicrophoneholderMH80
incarton
NEXTEL® S139Order-No.2111155
Accessories
The following accessories are available optionally
MicrophoneholderMH80
NEXTEL® S139Order-No.202387
Microphoneholder,turnableMH30
NEXTEL® S139Order-No.202388
ElasticsuspensionEA30
NEXTEL® S139Order-No.202389
ElasticsuspensionEA92
blackmattOrder-No.202359
ConnectioncableC70Order-No.202212
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Two black microphones with attached cables, shown from different angles (no text or symbols visible)| PolarpatternCardioid | ||
| AcousticoperatingprinciplePressuregradienttransducer | ||
| ElectricaloperatingprincipleMoving-coilprinciple | ||
| Frequencyrange50-16000Hz | ||
| Sensitivity1,6mV/Pa | ||
| Ratedimpedance220Ohm | ||
| Loadimpedance≥1kOhm | ||
| Magneticfielddisturbingfactorat50Hz≤1V/T | ||
| OutputconnectorXLR3M | ||
| Weight330g | ||
| Length173mm | ||
| Diameter | Protectiongrid | 47mm |
| Housing | 40mm | |
| SurfaceNEXTEL | ® S139 | |
Frequency response and Polar pattern
