Shure SM81 Thumbnail

Shure SM81 Review: Top Instrument Mic for Pros?

Is the Shure SM81 the ultimate mic for your home studio? Discover its impressive sound quality and durability in our detailed review.

Published:
Shure SM81 Thumbnail
Shure SM81 Review: Top Instrument Mic for Pros?

Is the Shure SM81 the ultimate mic for your home studio? Discover its impressive sound quality and durability in our detailed review.

Published:
Shure SM81 Thumbnail
Shure SM81 Review: Top Instrument Mic for Pros?

Is the Shure SM81 the ultimate mic for your home studio? Discover its impressive sound quality and durability in our detailed review.

Published:
Last updated:

I’ve been using the Shure SM81 for years, and it’s a real workhorse for home recording, especially for acoustic instruments.

It’s like a Swiss Army knife for sound—perfect for guitars, pianos, and cymbals. I love how it captures the crisp highs of an acoustic guitar and the warm lows of a grand piano.

This mic is built tough. It’s been dropped more times than I’d like to admit, but it keeps on ticking. It’s great for both studio and live use, and handles different temperatures and humidity like a champ.

One thing to keep in mind is that you’ll need phantom power—most mixers have it, but it’s worth double-checking if you’re just starting out.

The SM81 gives you options. You can tweak the low-end response and adjust the output level. This makes it versatile for different instruments and recording situations.

I’m impressed by how well it rejects off-axis sounds. This means less bleed from other instruments, which is a big plus for home recording.

Bottom line

The Shure SM81-LC is a top pick for home recording. It’s versatile, durable, and sounds great.

If you’re serious about creating great demos, give the SM81 a try. Your recordings will thank you!

Shure sm81-lc cardioid condenser instrument microphone Shure SM81-LC Cardioid Condenser Instrument Microphone
4.3
£399.00

The Shure SM81 is a cardioid condenser microphone designed for capturing acoustic instruments like guitars and pianos with exceptional clarity and a flat frequency response. Its rugged build ensures durability in studio and live settings, while features like selectable bass roll-off and a 10dB pad enhance versatility.

Pros:
  • Crystal-clear sound capture
  • Versatile.Works well for guitars, drums, and other instruments
  • Rugged, durable build
  • Low self-noise, perfect for quiet recordings
  • Flat frequency response for uncoloured sound
  • Reliable in live settings
  • Smooth directional pattern with good off-axis rejection
  • Worth the price for those seeking top quality
Cons:
  • Requires phantom power
  • Quite pricey for beginners
  • Might be overkill for simple vocal needs
Sound Quality: 9
Ease of Use: 8
Features: 9
Build Quality: 10
Value for Money: 8
Compatibility: 8
Innovation: 7
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Overview

The SM81 has been a staple in my studio for years. It’s brilliant for capturing acoustic instruments with its flat frequency response that doesn’t colour the sound. The result is natural, clear recordings with incredible detail.

A few extras come with it: a swivel adapter, an attenuator switch lock, a foam windscreen, and a sturdy carrying case. It’s versatile and reliable, perfect for capturing demo ideas.

Sound quality

The SM81 excels in capturing the natural nuances of acoustic guitars, pianos, and cymbals. Its flat response gives a true-to-life sound that’s spot on. I love how it picks up all the little details without adding any color.

It’s also remarkably quiet, with no hiss or um, and handles loud sources—like drums—without issue.

The selectable bass roll-off and 10dB pad make it versatile for any setup. My only minor gripe is the need for phantom power, but most gear today includes that feature, so it’s rarely an issue.

Cardioid pattern precision

The SM81’s cardioid pattern focuses on sound from the front while rejecting noise from the sides and rear—ideal for isolating instruments in a busy studio.

The mic’s precision shines when recording acoustic guitars. It captures the nuances of finger-picking and strumming with stunning clarity. I’ve also found it great for overhead drum mics, especially on cymbals.

One thing to note The pattern can be quite sensitive, so proper placement is key. For best results, I recommend experimenting with mic positioning. Small adjustments can make a big difference in the sound you capture.

Construction and design durability

I’ve put the SM81 through its paces, and I’m impressed. This mic is built like a tank. Its steel body can take a beating and keep on ticking. I’ve dropped it a few times (oops!), but it still works perfectly.

The SM81’s design is sleek and practical. It’s thin enough to fit in tight spots, which is great for drum overheads. The switches for the low-frequency rolloff and attenuator are sturdy and lock in place. No accidental changes mid-session!

The steel body and durable switches are well-designed, staying locked in place during recordings or live sessions. The included carrying case offers extra protection for travel.

It’s a rugged mic, perfect for demanding use both in the studio and on stage.

Ease of use and versatility

Setting up the SM81 is simple. Its compact, lightweight design and swivel adapter make it easy to position in tight spaces, ideal for recording acoustic guitar, piano, or drum overheads.

The selectable low-frequency response helps fine-tune sound for different instruments or room acoustics, and the 10 dB pad is perfect for handling loud sources. While the need for phantom power can be a minor inconvenience, it’s a versatile workhorse in both studio and live settings.

Pros and cons

Is the Shure SM81 worth it?

The SM81 is still my go-to mic for many instruments. Its flat response is perfect for capturing true, detailed sound without adding colour, especially on acoustic guitars and cymbals.

Pros
  • Crystal-clear sound capture

  • Versatile.Works well for guitars, drums, and other instruments

  • Rugged, durable build

  • Low self-noise, perfect for quiet recordings

  • Flat frequency response for uncoloured sound

  • Reliable in live settings

  • Smooth directional pattern with good off-axis rejection

  • Worth the price for those seeking top quality

Cons
  • Requires phantom power

  • Quite pricey for beginners

  • Might be overkill for simple vocal needs

It’s tough enough to withstand drops and bumps, and though it’s not the cheapest, it’s worth every penny for serious home recordists.

Is it perfect? Not quite. It can be a touch bright on some sources. But that’s easily fixed with EQ.

For anyone looking to step up their recording game, the SM81 is a solid choice. It’s versatile, reliable, and sounds great. Just remember to budget for a good XLR cable – it’s not included.

Scoring

CriterionScore (out of 10)Weight (%)Weighted Score
Sound Quality930%2.70
Ease of Use820%1.60
Features915%1.35
Build Quality1015%1.50
Value for Money710%0.70
Compatibility85%0.40
Innovation75%0.35
Total Score 100%8.6

Frequently asked questions

Where is the SM81 manufactured?

The Shure SM81 microphone is manufactured in Mexico. Specifically, Shure opened a manufacturing plant in Juarez, Mexico in 1984 for the production of wired microphones, including the SM81.

While the SM81 was originally introduced in 1978, production was later moved to this Mexican facility as part of Shure’s manufacturing expansion.

How does the SM81 perform in outdoor recording conditions?

The Shure SM81 can be used outdoors, but there are a few important considerations:

  • Wind sensitivity: The SM81 is highly sensitive to wind noise, which limits its outdoor usability without proper wind protection.
  • Windscreen: The included foam windscreen offers basic wind protection for light outdoor use. For more demanding conditions, additional protection such as a furry windshield or blimp is recommended.
  • Environmental tolerance: The SM81 is designed to function in a range of temperatures (-6.7° to 49° C / 20° to 120° F) and humidity levels (up to 95%). This makes it capable of handling challenging outdoor environments.
  • Ambient noise: With its cardioid polar pattern, the SM81 will capture a lot of environmental sounds when used outdoors. This can be both beneficial or detrimental, depending on your recording goals.
  • Durability: The SM81’s rugged metal casing makes it more suited for outdoor use compared to more delicate studio mics.

Tips for Outdoor Use:

  • Use additional wind protection beyond the foam windscreen for best results.
  • Be mindful of ambient noise pickup and position the mic carefully.
  • Protect the microphone from direct exposure to moisture or harsh weather conditions.

While the SM81 can handle outdoor environments, it is primarily designed for studio and stage use. For dedicated outdoor recording, particularly in tough conditions, you may want to consider microphones specifically designed for field recording.

What are the main characteristics of the SM81’s polar pattern?

The SM81 features a cardioid pickup pattern, focusing on sound from the front while rejecting sound from the rear.

This reduces off-axis coloration and helps control feedback, making it ideal for isolating instruments in a recording session.

Where is the SM81 manufactured?

The Shure SM81 microphone is manufactured in Mexico. Specifically, Shure opened a manufacturing plant in Juarez, Mexico in 1984 for the production of wired microphones, including the SM81.

While the SM81 was originally introduced in 1978, production was later moved to this Mexican facility as part of Shure’s manufacturing expansion.

How does the SM81 perform in outdoor recording conditions?

The Shure SM81 can be used outdoors, but there are a few important considerations:

  • Wind sensitivity: The SM81 is highly sensitive to wind noise, which limits its outdoor usability without proper wind protection.
  • Windscreen: The included foam windscreen offers basic wind protection for light outdoor use. For more demanding conditions, additional protection such as a furry windshield or blimp is recommended.
  • Environmental tolerance: The SM81 is designed to function in a range of temperatures (-6.7° to 49° C / 20° to 120° F) and humidity levels (up to 95%). This makes it capable of handling challenging outdoor environments.
  • Ambient noise: With its cardioid polar pattern, the SM81 will capture a lot of environmental sounds when used outdoors. This can be both beneficial or detrimental, depending on your recording goals.
  • Durability: The SM81’s rugged metal casing makes it more suited for outdoor use compared to more delicate studio mics.

Tips for Outdoor Use:

  • Use additional wind protection beyond the foam windscreen for best results.
  • Be mindful of ambient noise pickup and position the mic carefully.
  • Protect the microphone from direct exposure to moisture or harsh weather conditions.

While the SM81 can handle outdoor environments, it is primarily designed for studio and stage use. For dedicated outdoor recording, particularly in tough conditions, you may want to consider microphones specifically designed for field recording.

What are the main characteristics of the SM81’s polar pattern?

The SM81 features a cardioid pickup pattern, focusing on sound from the front while rejecting sound from the rear.

This reduces off-axis coloration and helps control feedback, making it ideal for isolating instruments in a recording session.

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Author

I’m Kev, a professional audio engineer with 20 years of experience in the music industry. I have a degree in Commercial Music Production and run my own studio in Manchester.