Shure SM7B Microphone

When it comes to high-quality dynamic microphones, few are as revered as the Shure SM7B. This microphone has earned a legendary status in the audio world due to its versatile performance and stellar reputation across various recording environments. From its applications in radio broadcasting to its coveted position in professional studios, the SM7B has proven itself as a true workhorse. In this comprehensive guide, we will explore the history, design, technical specifications, applications, and the reasons behind the SM7B’s enduring popularity.

History of the Shure SM7B

The Shure SM7B is part of the Shure SM series, which began with the introduction of the SM57 and SM58 microphones in the 1960s. The original SM7 was launched in 1973 and quickly gained recognition for its robustness and sound quality. Over the years, Shure has refined the SM7, leading to the release of the SM7B, an updated model that has become a staple in many professional settings.

The SM7B’s development was influenced by Shure’s goal to create a microphone that could handle a variety of recording scenarios with ease. The “B” in SM7B stands for “broadcast,” highlighting its focus on providing clear, detailed audio for broadcasting applications. The SM7B’s design improvements over the SM7 include better internal shielding and a more refined frequency response, making it suitable for even more demanding audio environments.

Design and Build Quality

The Shure SM7B is known for its distinctive design, which is both functional and durable. The microphone features a robust construction with a heavy-duty metal body that can withstand the rigors of constant use. This durability is a significant reason why the SM7B is often seen in both studio and live environments.

One of the most notable aspects of the SM7B’s design is its cardioid pickup pattern. This pattern is ideal for isolating the sound source while rejecting off-axis noise, making it a preferred choice for recording vocals, instruments, and podcasts. The microphone also includes a built-in air suspension shock isolation system, which helps reduce vibrations and handling noise.

The SM7B comes with an adjustable yoke mount that allows for precise positioning and angle adjustment. This flexibility is crucial for achieving the best sound capture and ensuring the microphone remains securely in place during use.

Technical Specifications

To fully appreciate the Shure SM7B, it’s essential to delve into its technical specifications. Here’s a detailed look at what makes this microphone stand out:

Type: Dynamic
Polar Pattern: Cardioid
Frequency Response: 50 Hz to 20 kHz
Impedance: 150 ohms
Sensitivity: -59 dBV/Pa (1.12 mV)
Max SPL: 180 dB SPL
Connector: XLR
Dimensions: 190 x 64 x 58 mm
Weight: 765 grams

The SM7B’s wide frequency response range and high maximum SPL make it suitable for capturing a variety of sound sources. Its cardioid pattern ensures that it picks up sound directly in front of the microphone while minimizing background noise, which is crucial for achieving clean, focused recordings.

Applications of the SM7B

The Shure SM7B’s versatility is one of its most appealing features. Here’s a closer look at some of the key applications where the SM7B excels:

Broadcasting and Radio: The SM7B is a popular choice among radio hosts and broadcasters due to its ability to deliver clear and detailed vocal reproduction. Its rejection of ambient noise helps maintain a professional sound quality even in less-than-ideal recording environments.
Podcasting: Podcasters appreciate the SM7B for its excellent vocal clarity and ability to handle a wide range of vocal tones. Its robust build and ability to reject background noise make it a reliable choice for creating high-quality podcast recordings.
Music Recording: In the music industry, the SM7B is used for recording both vocals and instruments. It is particularly favored for recording rock vocals, as it can handle high sound pressure levels without distortion. It’s also used for capturing instruments like guitars and drums, where its rejection of off-axis noise helps isolate the sound source.
Live Sound: The SM7B’s durability and ability to handle high SPL make it a good option for live sound applications. It is often used for vocals in live performances, especially in settings where feedback rejection and noise isolation are critical.
Voiceover Work: For voiceover artists, the SM7B provides a smooth, natural sound that enhances the quality of the recordings. Its ability to reduce background noise helps ensure that the focus remains on the voice.

Setting Up and Using the SM7B

To get the most out of the Shure SM7B, proper setup and usage are crucial. Here are some tips to help you achieve the best results:

Mic Placement: The SM7B’s cardioid pattern requires careful positioning to ensure optimal sound capture. Position the microphone so that it is directly in front of the sound source, with the vocalist or instrument aimed at the front of the mic. For vocals, placing the microphone at a slight angle can help reduce plosive sounds and improve clarity.
Preamp Requirements: The SM7B has a relatively low output level, which means it often requires a high-gain preamp to achieve optimal recording levels. Many users pair the SM7B with a high-quality preamp or an external gain booster to ensure sufficient gain and reduce the need for excessive EQ adjustments.
Pop Filters and Windscreens: While the SM7B includes a built-in windscreen, using an additional pop filter can help reduce plosive sounds and improve the overall quality of vocal recordings. The built-in windscreen is effective at mitigating sibilance and reducing the impact of breath noises.
Shock Mounts: To further reduce handling noise and vibrations, consider using a shock mount with the SM7B. A shock mount isolates the microphone from mechanical vibrations and handling noise, ensuring a cleaner recording.

Pros and Cons of the SM7B

Like any microphone, the Shure SM7B has its strengths and weaknesses. Here’s a balanced view of its pros and cons:

Pros:

Versatility: The SM7B excels in a wide range of applications, from broadcasting to music recording.
Durability: Its robust construction ensures long-term reliability and performance.
Sound Quality: The microphone provides a clear, detailed sound with excellent rejection of background noise.
Feedback Rejection: The cardioid pattern helps minimize feedback and ambient noise.

Cons:

Gain Requirements: The SM7B often requires a high-gain preamp or a gain booster to achieve optimal levels.
Size and Weight: Its large size and weight may make it less convenient for some applications.
Cost: The SM7B is relatively expensive compared to other dynamic microphones.

Famous Users and Recordings

The Shure SM7B’s reputation is further bolstered by its use by some of the most prominent figures in the music and broadcasting industries. Notable users include:

Michael Jackson: The SM7B was used on several tracks of Michael Jackson’s iconic album “Thriller,” showcasing its ability to capture high-quality vocal performances.
Joe Rogan: The SM7B is a staple in Joe Rogan’s podcast studio, where it contributes to the clear and engaging sound of “The Joe Rogan Experience.”
Howard Stern: Renowned radio host Howard Stern has used the SM7B for years, appreciating its performance in a demanding broadcasting environment.

These high-profile endorsements underscore the SM7B’s reputation as a go-to microphone for professional applications.

Maintenance and Care

To ensure the longevity and optimal performance of your Shure SM7B, proper maintenance and care are essential:

Cleaning: Periodically clean the microphone’s exterior with a dry, soft cloth. Avoid using abrasive cleaners or solvents that could damage the finish.
Storage: When not in use, store the SM7B in a protective case or cover to prevent dust and accidental damage.
Handling: Handle the microphone carefully and avoid excessive force or impact that could affect its internal components.

Conclusion

The Shure SM7B has earned its place as a legendary microphone due to its versatility, durability, and exceptional sound quality. From its origins in the 1970s to its current status as a go-to choice for professionals across various fields, the SM7B continues to be a favorite among audio engineers, broadcasters, and musicians alike. Whether you’re recording vocals, instruments, or engaging in broadcasting, the SM7B offers the reliability and performance needed to achieve outstanding results. Its enduring popularity and widespread use are a testament to its excellence, making it a valuable addition to any audio setup.

In summary, the Shure SM7B remains a top choice for those seeking a dynamic microphone that delivers professional-grade sound in a wide range of applications. Its blend of versatility, durability, and exceptional audio quality ensures that it will continue to be a staple in the world of audio for years to come.