MXL R77 Review: Under the microscope: details and dynamics

Alistair Vance
Written by Alistair Vance

March 20, 2026

MXL R77

MXL R77 Review: Under the microscope: details and dynamics

MXL microphone specifications

  • Polar pattern: Eight
  • Ribbon element: length 47 mm, thickness 1.8 μm aluminium
  • Transmission range: 20 – 18,000 Hz
  • Max. SPL: 135 dB
  • Sensitivity: 1.7 mV / Pa
  • Output Impedance: 270 Ohm
  • Final impedance:> 1500 Ohm
  • Connection: XLR 3-pol
  • Dimensions: 65 x 180 mm
  • Weight: 860 g
  • Colour: Chrome / Gold
  • Scope of delivery: R77 microphone, boom mount, microfibre cleaning cloth and case

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MXL R77 Review: Under the microscope: details and dynamics

Additional Information

Customer Review Summary

MXL R77 is a remarkable ribbon microphone that offers an impressive performance for its price point. Ideal for those seeking a vintage sound, it excels in recording electric guitars, brass instruments like trumpets, and strings, delivering a warm and rich tonal quality.

The microphone’s design is reminiscent of the classic RCA Type 77, and it comes with a sturdy wooden case, a quality Monster cable, and a well-made desk stand. The attention to detail is noteworthy, with features like rubber buffers and a robust build that enhance its overall durability.

Sound-wise, the R77 provides a balanced frequency response, with a slight roll-off at higher frequencies, ensuring it doesn’t become harsh. It captures a creamy low end and smooth highs, making it particularly effective for clean and jazzy guitar recordings. However, it does require careful positioning, as it is sensitive to low frequencies, and may produce unwanted noise if not paired with a high-quality preamp.

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Despite its heavy weight, which necessitates cautious handling, the microphone is relatively delicate and should be protected from phantom power. It’s essential to use a pop filter when recording vocals or loud instruments to avoid damaging the capsule.

Overall, the MXL R77 is an exceptional choice for both home and professional studios, especially for those looking to achieve a rich, vintage character in their recordings. While it may not be suitable for bright and crystal-clear recordings, it stands out in the realm of warm, voluminous sounds.



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Alistair Vance

Based in Bristol, Al has spent over a decade mixing local bands before specialising in hybrid studio consulting. He’s obsessed with the price-to-performance ratio, helping musicians achieve a "Radio Ready" sound without the need for a £50,000 Neve console. No fluff, just honest gear reviews to get your tracks sounding professional on a real-world budget.

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