Shure SM81 Condenser Instrument Microphone

Cardioid condenser instrument microphone offers a wide frequency response and low self-noise. Features include flat response curve, low noise and high output clipping level, low distortion over a range of load impedances, and low RF susceptibility.

PRODUCT DETAILS

The Shure SM81 is a high-quality, unidirectional condenser microphone designed for studio recording, broadcasting, and sound reinforcement. Its wide frequency response, low noise characteristics, and low RF susceptibility have made it a standard for applications involving acoustic instruments, especially guitar, piano, and cymbals.

Sound Sources : Accordion, Acoustic Guitar, Ambience, Banjo, Cello, Choir, Cymbals, Drum Set, Hi-Hat, Orchestra, Overhead, Percussion, Piano, Pipe Organ, Ukulele

Environments: Field recording, Broadcast Studio, Club, Hotel & Convention, Auditorium, Live Performance, Place of worship, Rehearsal Space, Stadium, Theater Stage, Home/Project Studio, Recording Studio, TV/film set

Industries: House of Worship, Theater, Touring/Rental

FEATURES

The SM81 is ruggedly constructed. It operates on phantom power and performs over a wide range of temperatures and humidity conditions. It is furnished with a swivel adapter, attenuator-switch lock, foam windscreen, and case for carrying and storage. Other accessories are available.

• 20 Hz to 20 kHz frequency response
• Flat response curve for accurate reproduction of sound sources
• Low noise and high output clipping level
• Low distortion over a wide range of load impedances
• Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
• Low RF susceptibility
• Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff
• 0 dB/10 dB lockable attenuator switch
• Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
• Rugged steel construction for durability
• Field-usable over wide range of temperature and humidity conditions

ALSO IN THE BOX

• 1 – swivel adapter
• 1 – attenuator-switch lock
• 1 – foam windscreen

Specs

Transducer Type	Condenser
Polar Pattern	Cardioid
Frequency Range From (Hz)	20
Frequency Range To (kHz)	20
Sensitivity dBV/Pa	-45.00
Sensitivity mvpa	5.60
Equivalent Selfnoise	16 dB(A)
Maximum Sound Pressure	800 ohm load: 136 dB (attenuator at 0) 146 dB (attenuator at -10) 150 ohm load: 128 dB (attenuator at 0) 138 dB (attenuator at -10)
Impedance (Ω)	85
Switchable Low Cut	yes
Output Connectors	3 Pin XLR
Attenuation PAD	yes
Interchangeable Capsule	no
Requires Phantom Power (VDC)	11 to 52