User manual
Shure SM81-LC Microphone Kit with Reflection

User Manual for Shure SM81-LC Microphone Kit with Reflection Filter, Mic Stand & XLR Cable

• Product category: Small Diaphragm Condenser Shure
• Brand: Shure
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Shure Small Diaphragm Condenser

Product description

• Shure SM81-LC Cardioid Condenser Mic
  • Shure Mike's "Ultimate Chopper Drop Test
  The Shure SM81-LC is a cardioid condenser microphone used in live sound, broadcast, and recording scenarios. It features a flat-frequency response between 20 Hz and 20 kHz and provides a switchable low-pass filter that can be set to either 6 dB/octave or 18 dB/octave. Other features, such as a lockable -10 dB pad and SPL handling of 146 dB (with the pad on), make the microphone well suited for a variety of situations.
  
  This mic sports a cardioid polar pattern that helps it achieve a high level of gain before inducing feedback, ensuring the mic will work well on the stage. This polar pattern also sports excellent off-axis rejection, helping to retain isolation in live and studio recordings.
  
  The SM81-LC offers the kind of durability one would expect from Shure as well as low susceptibility to RF issues in the field. Its steel construction ensures the mic can be used in a variety of conditions, though phantom power is required to operate the SM81-LC.
  Key Features at a Glance
  • • Uniform cardioid pick-up pattern provides lots of gain before feedback on stage, as well as rejection of off-axis sound
    • Flat-frequency response from 20 Hz to 20 kHz for accurate reproduction of sound sources
    • Selectable low-frequency response (flat, 6 dB/octave, or 18 dB/octave roll-off)
    • Vinyl-coated steel construction and stainless steel screen resist wear and abuse
    • High sound pressure level (SPL) handling
    • Low susceptibility to RFI
    • Lockable -10 dB attenuator switch
    • Performs over a wide range of temperature and humidity conditions
    • Phantom powered
    • Rugged and reliable
  UPC: 042406051194
• Auray RF-GN-10 Reflection Filter with Gooseneck
  • Shure Mike's "Ultimate Chopper Drop Test
  Featuring a 10" profile that allows it to fit into tight spaces where other reflection filters would be impractical, the RF-GN-10 Reflection Filter with Gooseneck from Auray can be used to absorb and diffuse external noise and acoustic reflections when recording drums, pianos, electric and acoustic guitars, vocals, and more. Its highly adjustable gooseneck attaches directly onto mic stands or boom arms for precise and accurate placement.
  
  Its construction of high-density acoustic foam and a perforated aluminum shield prevents sound from reflecting back into your microphone, resulting in higher quality recordings free from noise caused by less than ideal room acoustics.
  Versatile Applications
  • The RF-GN-10 is optimized for use in recording studios, acoustically-untreated rooms, or for desktop recording. It attenuates room noise and unwanted acoustic reflections when recording vocals, piano, drums, guitars, or practically any acoustic instrument
  Acoustic Foam
  • High-density acoustic foam works with the perforated aluminum shield to absorb unwanted room noise as well as acoustic reflections to isolate the microphone
  Compact Design
  • The ten-inch width of the RF-GN-10 allows it to fit into tight spaces that are too small or narrow for regular-sized reflection filters
  Gooseneck
  • The thick and sturdy (1/2" wide) flexible gooseneck provides secure mounting, and allows precise placement of the reflection filter for optimum results
  Attaches to Mic Stand or Boom Arm
  • The gooseneck's clamp attaches directly to a mic stand. For precise placement of the reflection filter in tight spaces, the RF-GN-10 can also be attached to a mic stand boom arm
  Lightweight & Sturdy
  • Metal alloy design and compact size make the RF-GN-10 easy to carry and capable of withstanding the rigors of transport
  UPC: 847628585157
• Kopul Studio Elite 4000 Series XLR M to XLR F Microphone Cable - 25' (7.6 m), Black
  • Shure Mike's "Ultimate Chopper Drop Test
  The Kopul Studio Elite 4000 Series XLR M to XLR F Microphone Cable (25') is a studio-quality cable for connecting mics to mixers, preamps, audio interfaces and recorders; or to be used in any other application where XLR connectivity is required. The cable is engineered to be both quiet and durable, and is well-suited for critical recording and broadcast situations.
  
  Studio Elite 4000 Series cables are made from 24 AWG OFC copper wire that's wrapped with PE insulation and a conductive PVC inner shield. A cotton-yarn inner layer helps reduce electrostatic and microphonic noise. A 98% braided outer shield makes the cable resistant to EMI and RFI noise. The Neutrix XX silver connectors provide a high level of connectivity, and all the solder connections are shrink-wrapped for protection.
  • 98% braided shield offers protection from EMI and RFI noise.
  • Twin-conductive PVC inner shielding provides 100% coverage of the core conductor. It helps keep the cable's signal from radiating and affecting nearby cables, and also helps prevent external EMI from penetrating to the cable's core.
  • 24 AWG oxygen-free stranded copper inner core provides the best possible conductivity.
  • Cotton yarn reduces electrostatic and microphonic noise.
  • All solder points shrink-wrapped for protection.
  • Neutrik XX silver connectors offer high conductivity.
  • Cast zinc shell and chuck style strain relief.
  UPC: 847628551206
• Auray MS-5220T Short Tripod Microphone Stand with Telescoping Boom
  • Shure Mike's "Ultimate Chopper Drop Test
  The Auray MS-5220T Short Tripod Microphone Stand with Telescoping Boom features durable, steel construction. The telescoping boom arm is adjustable from 19.3 to 33.9" in length, allowing you to angle and extend the mic placement however you need it. An ergonomic twist-action clutch helps adjust the height of the stand, while the reinforced tripod base and non-slip feet keep it firmly and sturdily in place. The Auray MS-5220T mic stand collapses for easy transport. UPC: 847628015562

• SM81-LC - Cardioid Instrument Condenser Microphone aeyvxdvavqvuacwasu
• A57F Microphone Clip
• (34A830) -10 dB Attenuator Lock
• (65A1797) Carrying/Storage Case
• (49A111) Foam Windscreen
• Limited 2-Year Warranty

• Auray - RF-GN-10 Reflection Filter with Gooseneck

• Kopul - Studio Elite 4000 Series XLR M to XLR F Microphone Cable - 25' (7.6 m), Black

• Auray - MS-5220T Short Tripod Microphone Stand with Telescoping Boom

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Technical parameters

• Shure SM81-LC Cardioid Condenser Mic

  Transducer	(Electret Bias) Condenser
  Polar Pattern	Cardioid
  Frequency Response	20 Hz to 20 kHz
  Signal-to-Noise Ratio	78 dB (at 94 dB SPL)
  Maximum Input Sound Level	136 dB (@ 250 Hz 0.5% THD) 146 dB (with Pad)
  Power Requirements	11 to 52 VDC Phantom Power
  Output Impedance	150 Ohms (85 Ohms Actual)
  Output Connectors	XLR-3M Type
  Pad	-10 dB Attenuation
  Low Frequency Roll-Off	-6 dB/Octave at 100 Hz -18 dB/Octave at 80 Hz
  Sensitivity	-45 dBV/Pa, 5.6 mV (at 1 kHz)
  Self Noise	16 dBA Typical 19 dB Typical (Weighted per DIN 45 405)
  Maximum SPL	136 dB (1 kHz at 1% THD, 1 kOhm Load), 146 (-10 dB Pad On)
  Clipping Level	-4 dBv, 0.63 V (1 kHz at 0.25 THD, 1 kOhm Load)
  Hum & Noise	-3 dB, Typical at 60 Hz, Equivalent SPL/mOe
  Housing	Steel Construction with Vinyl Metallic Print Finish and Stainless Steel Screens
  Applications	Sound Reinforcement, Broadcast, and Studio Recording
  Operating Temperature	20 to 120°F / -6.7 to 49°C
  Storage Temperature	-20 to 165°F / -29 to 74°C
  Relative Humidity	0 to 95%
  Dimensions	Mic Body Diameter x Length:0.79 x 8.4" / 20 x 212 mm Capsule Diameter: 0.9" / 23.5 mm
  Weight	0.5 lb / 0.2 kg

  Box Dimensions (LxWxH)	11.9 x 6.0 x 3.1"

• Auray RF-GN-10 Reflection Filter with Gooseneck

  Gooseneck	10" (254 mm)
  Dimensions (HxWxD)	Shield: 12 x 10.4 x 2.9" (30.5 x 26.4 x 7.5 cm)
  Weight	2.2 lb (1 kg)

  Box Dimensions (LxWxH)	13.3 x 10.6 x 3.7"

• Kopul Studio Elite 4000 Series XLR M to XLR F Microphone Cable - 25' (7.6 m), Black

  Connector 1	3-Pin XLR Male
  Connector 2	3-Pin XLR Female
  Cable Length	25' / 7.6 m
  Shielding	98% Braid
  Wire Gauge	24 AWG
  Contact Plating	Silver

  Box Dimensions (LxWxH)	8.3 x 6.0 x 1.9"

• Auray MS-5220T Short Tripod Microphone Stand with Telescoping Boom

  Height	22.1 to 31.5" / 56 to 80 cm
  Base Type	Tripod
  Base Dimensions	19.7 x 19.7" / 50 x 50 cm

  Length	19.3 to 33.9" / 49 to 86 cm

  Material	Steel
  Weight	3.5 lb / 1.6 kg

  Box Dimensions (LxWxH)	23.7 x 4.2 x 4.1"

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