Shure SM58 vs SM7B
Comprehensive guide to shure sm58 vs sm7b. Tips, recommendations, and expert advice.
Updated 2025-12-20
Shure SM58 vs SM7B
The Shure SM58 and SM7B represent two iconic dynamic microphones dominating music production, but they're fundamentally different instruments designed for different applications. The SM58 is a jack-of-all-trades live performance and studio microphone, while the SM7B is a specialized studio recording microphone renowned for vocal and rap recording. This comprehensive comparison examines the acoustic differences, real-world application suitability, and practical considerations for producers deciding between these legendary microphones. For beat-makers, hip-hop producers, and home studio owners, the microphone choice is critical. Unlike expensive studio monitors or interfaces that affect your entire mix, a microphone directly impacts vocal recording quality—the final stage of your production. Understanding these microphones' differences helps you select the ideal recording tool for your specific needs.Key Points
Detailed Guide
Understanding the Basics
Before diving into specific microphone comparisons, understand fundamental characteristics that define dynamic microphone quality for recording applications. Frequency Response: The frequency response curve shows how a microphone responds across the audible spectrum (20Hz-20kHz). Flat response means equal sensitivity across frequencies. Presence peaks enhance specific frequencies, while dips attenuate others. For recording, frequency response dramatically affects how vocals sound. Presence peaks in the presence region (2kHz-5kHz) make vocals stand out, while bass proximity boost adds warmth. Proximity Effect: Dynamic microphones exhibit proximity effect—bass frequencies are boosted when you're very close to the microphone. This is useful for adding bass weight and warmth but can muddy vocals if not managed carefully. Understanding and controlling proximity effect is essential for recording quality vocals. Polar Pattern and Off-Axis Response: Dynamic microphones are directional, most sensitive on-axis (directly in front) and progressively less sensitive off-axis (from the sides and back). Cardioid patterns (like both the SM58 and SM7B) reject side and rear sound while picking up frontal sound. This rejection of off-axis sound enables isolation from room noise and other instruments, valuable in non-ideal recording environments. Output Level and Preamp Requirements: Dynamic microphones produce relatively low signal levels compared to condenser microphones. Most audio interfaces provide sufficient preamp gain, but some preamps are noisier than others. A high-quality preamp reduces noise floor, making quiet vocal sections cleaner.Frequency Response Comparison
Shure SM58 Frequency Response: The SM58 exhibits a slight presence peak around 4kHz with moderate bass proximity boost. The overall response is relatively bright—the presence peak enhances clarity and articulation, making vocals cut through in live sound situations and studio recordings. The bass response includes proximity effect that boosts low frequencies dramatically when very close to the microphone. For live vocal performance, this presence peak is ideal—vocals stand out in the mix and remain intelligible despite environmental noise. In the studio, the presence peak can make vocals sound slightly aggressive or prominent. Shure SM7B Frequency Response: The SM7B exhibits a more aggressive presence peak in the 2kHz-5kHz range compared to the SM58. The presence peak is more pronounced, making the SM7B significantly brighter and more present-sounding. The bass response is also more pronounced, with stronger proximity effect. This enhanced character makes the SM7B specifically designed for broadcast, voiceover, and recording applications where clarity and presence are paramount. In studio recording, the SM7B's presence peak makes vocals immediately pop and sound professional, even from relatively untrained singers. Comparative Application: For live performance, the SM58's moderate presence peak is appropriate—enough to help vocals project without sounding unnatural. For studio recording, the SM7B's more aggressive presence peak makes vocals sound commercially polished with minimal EQ processing. If your recording environment is bright and harsh, the SM58 is safer (less likelihood of over-brightness). If you want vocals to sound large and polished immediately, the SM7B delivers.Tonal Characteristics and Coloration
SM58 Sonic Character: The SM58 sounds warm yet clear. The presence peak doesn't feel exaggerated—it's present without being aggressive. The overall sonic signature is balanced, making it suitable for diverse vocal types. Male rappers, female singers, and spoken word all benefit from the SM58's relatively neutral coloration. This versatility is why the SM58 is considered a professional standard despite its live origins. SM7B Sonic Character: The SM7B sounds large, present, and polished. The presence peak is unmistakable—vocals immediately feel prominent and professional. The enhanced bass response adds weight and authority, particularly beneficial for rap vocals where low-end presence conveys power and confidence. The SM7B's character is more distinctive—some describe it as "aggressive" or "hot," while others consider it "professional" and "broadcast-ready." Vocal Type Considerations: Male rap vocals particularly benefit from the SM7B's presence peak and bass boost—the microphone's character complements lower vocal frequencies. Female vocals, depending on tone, can sometimes feel over-bright on the SM7B if the singer has naturally bright tone. Spoken word and podcast vocals sound immediately professional on the SM7B due to the presence peak enhancing intelligibility. The SM58 is more forgiving across diverse vocal types due to its more moderate coloration.Proximity Effect and Distance Considerations
SM58 Proximity Effect: The SM58 exhibits moderate proximity effect, boosting bass when very close (3-4 inches). At normal speaking distance (6-8 inches), proximity effect is present but moderate. This is useful for adding warmth without making vocals muddy. Many SM58 users position the microphone 4-6 inches away to leverage both the presence peak and controlled proximity effect. SM7B Proximity Effect: The SM7B's proximity effect is more pronounced than the SM58, with stronger bass boost at close distances. This can be problematic if not managed carefully—extremely close positioning (lips near the mesh) results in excessive bass rumble. However, used intentionally, the strong proximity effect adds authority and presence, particularly valued in rap vocal recording. Many SM7B users position the microphone 6-8 inches away to leverage the presence peak while controlling bass boost. Recording Technique Impact: Both microphones require understanding proximity effect to sound optimal. Moving closer adds bass and intimacy; pulling back reduces bass and creates distance. For rap vocals, deliberately using proximity effect (very close microphone position) adds presence and power. For singing or conversational vocal styles, moderate distance (6-8 inches) is typically optimal.Shock Mounting and Handling Noise
SM58 Design: The SM58 includes a basic shock mount (ball cartridge) that reduces handling vibration. The microphone is somewhat resistant to handling noise but not immune. Tapping the microphone or boom stand generates audible noise. For stand-mounted recording (ideal), this isn't an issue. For hand-held performance, the shock mount is adequate. SM7B Design: The SM7B is famous for its internal shock mounting system, significantly reducing handling vibration and noise compared to the SM58. The spring suspension inside the microphone body isolates the capsule from mechanical vibration exceptionally well. This makes the SM7B more forgiving if someone bumps the boom stand or microphone during recording. Additionally, the SM7B includes a more sophisticated pop filter design (external basket) that's more effective than the SM58's screen. Real-World Implication: For recording vocals on a stationary boom stand (ideal studio setup), both microphones are comparably silent. The SM7B's advantage manifests in less-than-ideal situations: bumpy boom stands, aggressive hand-holding, or close placement where proximity effect creates bass rumble. The SM7B's superior isolation handles these situations more gracefully.Pop Filter and Plosive Management
SM58 Pop Protection: The SM58 includes a basic pop filter (metal screen) that provides modest plosive reduction. Sibilants and plosives still require careful technique—positioning slightly off-axis (12 o'clock angle rather than directly facing) or at a slight downward angle reduces plosives. The included pop filter helps but isn't foolproof. SM7B Pop Protection: The SM7B includes a more sophisticated external basket pop filter that provides superior plosive protection. The larger surface area and better design reduce plosives more effectively than the SM58's screen. Additionally, the SM7B's presence peak actually helps with plosive management—the presence peak is in the 2kHz-5kHz range, while plosives primarily occur in lower frequencies. Thus, reducing plosives isn't fighting the microphone's character. Technique Matters: Both microphones require good recording technique for plosive control. Angling the microphone slightly (not directly facing) and maintaining 6-8 inch distance reduces plosives. The SM7B's superior pop filter provides more forgiveness if technique isn't perfect. For professional rap recording where aggressive plosives are part of the vocal style, the SM7B's design is better suited.Specifications and Technical Comparison
Impedance and Output Level: Both microphones have 150 ohm impedance, requiring impedance-matched preamps (standard audio interfaces). The SM58 outputs approximately -37dBv per pascal, while the SM7B outputs approximately -37dBv per pascal. Output levels are essentially identical—no practical difference in preamp gain requirements. Durability and Build: Both are legendary for durability. The SM58 has been in production since 1966 and is known for lasting decades with minimal maintenance. The SM7B, while newer (introduced in 1965 but redesigned in 2016), is equally durable. Both are used in professional broadcast studios where reliability is non-negotiable. Real-world failure rates are minimal for both. Price Point: The SM58 typically costs $100-130, while the SM7B typically costs $400-450. The price difference reflects the SM7B's specialized design, more sophisticated shock mounting, and broadcast heritage. For budget-conscious producers, the SM58 offers exceptional value. For producers willing to invest, the SM7B provides noticeably better characteristics for studio recording.Comparative Use Cases
Rap Vocal Recording: The SM7B is superior due to the aggressive presence peak that makes rap vocals sound large and powerful, and the bass boost that adds authority. Many professional rap studios use SM7B as their standard microphone. However, the SM58 is entirely adequate and some producers prefer its warmer, less aggressive character. Singing and Melodic Vocals: Both are capable, but the choice depends on the vocal style. Bright singers benefit from the SM58's more moderate coloration. Dark or breathy singers benefit from the SM7B's presence peak adding clarity. For versatility across diverse vocal styles, the SM58 has a slight edge due to its more neutral character. Voiceover and Broadcast: The SM7B's broadcast heritage makes it ideal. The aggressive presence peak, bass response, and robust design are exactly what broadcast applications require. Professional voiceover studios typically use the SM7B. The SM58 is adequate for voiceover but less specialized. Live Performance: The SM58 dominates live performance, particularly live singing. The feedback rejection, moderate presence peak, and 60+ year history of live use make it the standard. The SM7B is rarely used for live performance due to its closed-back design and specialized studio character. Podcast and Spoken Word: Both work well. The SM58 is slightly better for diverse voices, while the SM7B is better for a single speaker where you want maximum presence and clarity. Professional podcasters and voiceover artists often prefer the SM7B.Best Practices for Recording with Each Microphone
SM58 Best Practices:Common Mistakes to Avoid
Tips for Success
Recommendations
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*Last updated: 2025-12-20*
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