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Silver cylindrical condenser microphone with gold-sputtered capsule and cardioid pattern

Marshall Electronics

Marshall Electronics MXL770 Cardioid Condenser Microphone

SKU CH-SYE7-E2YD3 MPN MXL770

Small-diaphragm condenser microphone with cardioid pattern, 30Hz–20kHz response, -10 dB pad and high-pass filter for vocals, piano and strings

  • Output impedance150 ohms
  • Pickup patternCardioid
  • Frequency range30 Hz - 20 kHz
  • Audio sensitivity15mV/Pa
  • Power supply48 V phantom power (+/- 4 V)
  • Measurements6.22 in × 2.32 in × 2.32 in (H × W × D)
  • Cardioid pattern isolates vocals from room noise
  • 22 mm gold-sputtered diaphragm captures detailed transients
  • FET preamp delivers balanced transformerless output with wide dynamic range
  • Switchable -10 dB pad handles loud sources up to 137 dB SPL
  • High-pass filter at 150 Hz reduces low-frequency rumble

Small-diaphragm condenser for project studios

The MXL 770 is a pressure-gradient condenser microphone with a 22mm gold-sputtered capsule. It requires 48V phantom power and delivers a cardioid polar pattern suited to single-source recording. The FET preamp provides a balanced, transformerless output for direct connection to an audio interface. Home-studio owners and podcasters on a budget will find it a practical entry point.

Low self-noise and high SPL handling

Self-noise measures 20 dB A-weighted while the signal-to-noise ratio reaches 74 dB. A -10 dB pre-attenuation switch and a 6 dB/octave high-pass filter at 150 Hz let the mic handle sources up to 137 dB SPL without audible distortion. The 150-ohm output impedance drives long cable runs cleanly. Phantom power tolerance of +/- 4V accommodates a wide range of mixers and interfaces.

Switchable pad and filter shape the signal

The built-in -10 dB pad reduces overload on loud vocals, drums or guitar cabinets. The high-pass filter cuts low-frequency rumble and proximity effect before the signal leaves the microphone. No external shock mount, pop filter or software bundle is included. Users needing stereo pairs or USB connectivity must purchase separate accessories.

How it compares

Measured against everything we stock in Studio, Stage & Lavalier Microphones, at today’s prices. Recalculated every night.

Price $82.99
Pricier than about 63% of the 638 comparable items (median $58.99).

Specifications

Product
Brand nameMXL
Model nameMXL 770
Product typeCondenser Microphones
Audio & video
Pickup patternCardioid
Frequency range30 Hz - 20 kHz
Audio sensitivity15mV/Pa
Power
Power supply48 V phantom power (+/- 4 V)
Size & build
Measurements6.22 in × 2.32 in × 2.32 in (H × W × D)
Product weight1 lb (0.45 kg)
Shipping weight1.81 kg
Package size356 × 203 × 152 mm
More details
Output impedance150 ohms

Questions about this item

How do I connect the MXL 770 and enable the -10 dB pad correctly?

Connect the mic to an XLR input that supplies 48 V phantom power, then slide the pre-attenuation switch to -10 dB before recording loud sources; the pad reduces the signal by 10 dB to prevent overload.

Which parts of the MXL 770 will need replacement over time?

The 6 micron gold-sputtered diaphragm and the FET preamp circuit are the only wear-sensitive components; the capsule is sealed, so only physical damage or contamination would require service.

At what sound-pressure level does the MXL 770 start to distort?

The maximum SPL for 0.5 % THD is 137 dB; engaging the -10 dB pad raises the practical headroom by 10 dB before clipping occurs.

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