Shure SM81 LC
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- This item is covered for 3 years
Essential Information About the Shure SM81 Condenser Microphone
Essential Information About the Shure SM81 Condenser Microphone
- Studio and live reference for ambient sound and acoustic instrument recording, delivering precise and natural reproduction.
- Cardioid condenser capsule: excellent source isolation, less bleed, and better-controlled background noise.
- Designed for high sound pressure levels thanks to the -10 dB attenuator and 3-position high-pass filter.
- Ultra-robust steel construction and reliable operation, even under challenging temperature and humidity conditions.
Manufacturer Information
Shure
https://www.shure.com
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Algam SAS
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A Shure Classic That Has Become a Standard for Acoustic Recording
Over the decades, the Shure SM81 has established itself as a reliable choice in microphone kits, both in studios and on stage. Its concept is clear: to offer studio-level reproduction quality in a rugged "stick" format, capable of withstanding the demands of live performances, TV sets, and real-world recording conditions. This "standard" status is due as much to its consistent manufacturing as to its wide and uniform frequency response, highly appreciated when seeking faithful sound capture without artificial flattering effects.
Who Is It For and What Are Its Uses?
The SM81 is aimed at discerning musicians, sound engineers, stage technicians, and home studio users who want a reliable cardioid condenser microphone for acoustic sources. It excels on acoustic guitar, string instruments, piano, delicate percussion, and especially as a drum overhead (cymbals, hi-hat) when aiming for definition without harshness. As an ambient mic, it captures concert halls, theaters, or rooms with a clean and usable image, and it adapts very well to stereo configurations (depending on the area and recording technique).
Technical specifications
| Frequency response - start | 20 Hz | Nominal impedance | 85 Ω |
| Frequency response - end | 20 kHz | Self-noise | 16 dB |
| Sensitivity | -45 dBV/Pa (5,6 mV) | Connection | XLR |
| SPL max | 136 dB | Clamp included | Yes |
| Category | studio microphone | Included accessories | Windscreen, carrying pouch, multi-step fitting |
| Type | instrument | Color | Grey |
| Directivity | cardioid | Weight | 230 g |
| Capsule | static | Dimensions (mm) | Ø 23,5 x 212 |
| Attenuator | 10 dB | ||
Questions frequently asked
Is the Shure SM81 LC suitable for acoustic guitar and piano?
Its cardioid condenser capsule and frequency response from 20 Hz to 20 kHz allow detailed capture of acoustic sources. This microphone is recommended for acoustic guitar, string instruments, and piano. Its self-noise is 16 dB.
Drum overhead microphone: is the SM81 suitable for cymbals?
With a maximum sound pressure level of 136 dB SPL, this model can be placed on high-level sources. The switchable -10 dB pad provides additional headroom for cymbals and hi-hats.
What phantom power is required for this microphone?
Phantom power from 12 to 48 V, compliant with DIN 45 596 standard, is required via the XLR output.
Is the SM81 high-pass filter adjustable?
The high-pass filter offers three settings: flat, 6 dB/octave, or 18 dB/octave. It helps reduce floor vibrations, hum, and some stage noise at the source.
What accessories are included with the microphone?
The delivery includes a clip, a windscreen, a carrying pouch, and a multi-step adapter. The steel body measures 212 mm in length with a diameter of 23.5 mm.



