SM81-LC SM Series Condenser Instrument Microphone

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SM Series Condenser Instrument Microphone
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SM81-LC
ADK-SHU-1373-00215
Shure Incorporated
Mac & Win
Usually ships in 1-2 business days.
Availability: In stock
$349.00

The SM81’s flat 20-20k response makes it supremely accurate in its reproduction of audio sources. A 3-position bass roll-off switch reduces low-end energy, thus suiting the 81 to any acoustic environment. Additional features include a 10dB attenuator, cardioid pattern, and replaceable condenser capsule. Excellent for acoustic guitar/bass, cymbals, live recording, piano, orchestra, strings, sampling, woodwinds, and stereo pickup.

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

Type

Electret Condenser

Frequency Response

20 to 20,000 Hz

Polar Pattern

Cardioid

Output Impedance

EIA rated at 150   (85   actual)

Sensitivity

at 1 kHz, open circuit voltage

-45 dBV/Pa[1] (5.6 mV)

Maximum SPL

1 kHz at 1% THD, 1 k load

136 dB SPL

Signal-To-Noise Ratio

Ref. 94 dB SPL at 1 kHz

78 dB[2]

Clipping Level

1 kHz at 0.25% THD, 1 k load

-4 dBV (0.63 V)

Hum Pickup

typical, at 60 Hz, equivalent SPL/mOe

-3 dB

Polarity

Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

Weight

Net0.230 kg (0.5 lbs)
Packaged0.740 kg (1.625 lbs)

Attenuator Switch

0 or 10 dB, lockable

Connector

Three-pin professional audio (XLR), male

Housing

Steel construction with vinyl metallic paint finish and stainless steel screens

Environmental Conditions

Operating Temperature-6.7 to 49 C (20 to 120 F)
Storage Temperature-29 to 74 C (-20 to 165 F)
Relative Humidity0 to 95%

Power Requirements

11 to 52 V DC phantom power (1.2  mA)

[1] 1 Pa=94 dB SPL

[2] S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

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