MXL 550/551R Condenser Microphone Specification & DataSheet

October 31, 2023
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MXL 550/551R Condenser Microphone

MXL 550-551R Condenser Microphone-product

DESCRIPTION

Congratulations on your purchase of the MXL 550/551 Recording Ensemble. With proper care, these microphones will provide many years of satisfaction. For the best results, please take a few moments to review this literature.

  • These microphones have gold-sputtered diaphragms and a fixed cardioid pickup pattern.
  • Condenser microphones are very sensitive, readily revealing very subtle sonic details.
  • They tend to pick up sounds outside the pattern more than some designs, which can lead to powerful feedback if you are not careful.
  • We strongly advise experimentation with placement and isolation requirements with the gain initially set low to avoid equipment (and ear) damage.
  • It is strongly advised to use a mesh pop filter to avoid moisture from damaging the capsule.

Power Requirements:

  • IMPORTANT – These units require phantom power at 48 volts, +/- 4 volts.
  • Each unit has been thoroughly checked before shipping, so if you do not hear sound, check that the phantom power on your mixer or separate power supply is switched on.

Microphone Cables:

  • The microphone cable can have a profound effect on the sound of any microphone.
  • Even the finest microphones will sound poor if the interconnect cable allows noise to enter, or causes distortion and loss of information.
  • Use only the best microphone cable your budget will allow.
  • We highly recommend using Mogami® brand cable.

This arrangement separates the information into clear sections for easy reference and understanding.

SPECIFICATION

MXL 550

MXL 550-551R Condenser Microphone-fig-2

Type: Pressure gradient condenser microphone
Frequency Range: 30 Hz – 20 kHz
Polar Pattern: Cardioid
Sensitivity: 15mV/Pa
Impedance: 200 Ω
S/N Ratio: 80dB (Ref. 1Pa A-weighted)
Equivalent Noise Level: 20dB (A weighted IEC 268-4)
Max SPL for 0.5% THD: 130dB
Power Requirements: 48V Phantom Power (+/- 4V)
Current Consumption: <3.0mA
Size: 47mm x 170mm
Weight: 0.8 lbs
Metal Finish: Red with chrome grill

MXL 551

MXL 550-551R Condenser Microphone-fig-3

Type: Pressure gradient condenser microphone
Frequency Range: 30 Hz – 20 kHz
Polar Pattern: Cardioid
Sensitivity: 15mV/Pa
Impedance: 110 Ω
S/N Ratio: 78dB (Ref. 1Pa A-weighted)
Equivalent Noise Level: 20dB (A weighted IEC 268-4)
Max SPL for 0.5% THD: 137dB
Power Requirements: 48V Phantom Power (+/- 4V)
Current Consumption: <3.0mA
Size: 22mm x 134mm
Weight: 0.2 lbs
Metal Finish: Red with chrome grill

WHAT’S IN THE BOX

MXL 550-551R Condenser Microphone-fig-1

  • Microphone
  • Specification & Datasheet

FEATURES

  • Dual Microphone Set: The MXL 550/551R package includes both a condenser (MXL 550) and dynamic (MXL 551) microphone, catering to a variety of recording needs.
  • Robust Construction: These microphones are durably built to withstand the demands of studio and live stage usage.
  • Versatile Applications: Designed for both vocal (MXL 550) and instrumental (MXL 551) recording, offering versatility for your recording projects.
  • Cardioid Pickup Patterns: Both microphones feature cardioid patterns, focusing on capturing sound from the front and minimizing background noise.
  • Clear Sound Quality: The MXL 550 (condenser) provides clear and detailed audio capture, while the MXL 551 (dynamic) excels in handling high sound pressure levels.
  • Shock Mount Adapters: These microphones come equipped with shock mount adapters to reduce handling noise and enhance isolation.
  • Low-Cut Filters: Some models may include low-cut filters to reduce undesirable low-frequency noise.
  • Windshields: Windshields may be provided to mitigate plosives and wind noise in vocal recordings.
  • Included Carrying Case: A protective case or pouch is often included for safe storage and transport convenience.

HOW TO USE

  • Connecting the Microphones: Establish a connection between the MXL 550/551R microphones and your audio interface or mixer using XLR cables.
  • Phantom Power Management: If required, provide +48V phantom power, typically for the condenser microphone (MXL 550).
  • Optimal Microphone Placement: Fine-tune microphone positioning to accurately capture sound from your recording source, adjusting the angle and distance as necessary.
  • Monitoring the Audio: Use headphones or studio monitors to monitor audio during recording and adjust the input gain on your audio interface or mixer.
  • Recording Process: Record your audio source using the microphone suitable for the specific application (MXL 550 for vocals and MXL 551 for instruments).
  • Post-Recording Adjustments: Make any necessary alterations during post-production to achieve the desired sound.
  • File Organization: Organize and label recorded files for easy retrieval and editing purposes.
  • Microphone Variation: Experiment with different microphone placements and orientations to achieve varying tonal qualities.

MAINTENANCE

  • Care:
    • Dust and foreign material can degrade the performance of a microphone over time, so always store the unit in its case.
    • Due to the delicate nature of condenser microphones, never use water or any other liquid for cleaning purposes.
  • Routine Cleaning: Regularly maintain the microphones by cleaning them to keep dust and moisture at bay using a soft cloth.
  • Storage Care: Protect the microphones by storing them safely in protective cases or pouches to prevent damage and exposure to external elements.
  • Cable Condition: Regularly inspect the microphone cables to identify wear and tear, replacing any damaged cables to ensure optimal performance.
  • Shock Reduction: You may consider using shock mounts or isolation mounts to minimize vibrations and reduce handling noise during recording.
  • Phantom Power: If necessary, ensure that the correct phantom power voltage (typically +48V) is supplied to prevent potential harm.
  • Pop Filter Utilization: Reduce plosives and wind noise in vocal recordings by employing pop filters.
  • Environmental Protection: Shield the microphones from extreme temperatures and humidity that can potentially affect their performance.
  • Connector Check: Periodically inspect connectors for damage and ensure a secure connection to your audio interface or mixer.
  • Firmware Updates: Stay informed about firmware updates and manufacturer recommendations to maintain optimal microphone performance.

PRECAUTIONS

  • Phantom Power Adherence: Ensure that the correct phantom power voltage is supplied, as needed for the MXL 550 (condenser microphone).
  • Gentle Handling: Handle the microphones carefully to prevent physical damage to the sensitive diaphragms and microphone bodies.
  • Cable Quality Emphasis: Employ high-quality, shielded XLR cables to maintain optimal signal integrity.
  • Meticulous Microphone Placement: Pay careful attention to microphone positioning to achieve the best sound quality while avoiding distortion.
  • Environmental Preservation: Safeguard the microphones from extreme temperature and humidity fluctuations that may affect their performance.
  • Feedback and Gain Control: Use caution when dealing with high-gain settings to prevent feedback and distortion issues.
  • Software and Driver Compatibility: Confirm compatibility with your recording software and ensure that audio drivers are up to date.
  • Headroom Awareness: Maintain sufficient headroom in your recordings to prevent audio clipping and distortion.
  • Professional Support: In the event of issues, seek professional assistance from the manufacturer or authorized service centers to prevent potential microphone damage.
  • Proper Storage: Store the microphones in their provided protective case or pouch when not in use to prevent dust accumulation and physical damage.

TROUBLESHOOTING

  • Absence of Sound: In case of no sound, inspect cable connections, and phantom power supply, and verify that the microphone is correctly selected as the input source in your recording software.
  • Dealing with Excessive Noise: To address excessive noise or interference, use shielded cables and confirm that no interfering electronic devices are in proximity.
  • Low Output Concerns: Adjust the input gain on your audio interface or mixer to increase the microphone’s output level if it’s insufficient.
  • Preventing Distortion or Clipping: Steer clear of overloading the microphones with loud sounds by adjusting input gain and employing proper gain management.
  • Optimizing Frequency Response: Experiment with microphone placement and orientation to attain the desired tonal characteristics.
  • Managing Vocal Sibilance: Deploy pop filters and adjust microphone positioning to reduce pronounced “S” sounds in vocal recordings.
  • Addressing Signal Dropouts: Inspect cable connections for tightness and cable quality to prevent signal dropouts.
  • Latency Considerations: Modify buffer settings in your audio software to diminish recording and monitoring latency.
  • Driver Updates: Keep audio drivers and associated software up to date on your computer to avoid compatibility issues.
  • Professional Assistance: Seek professional support from the manufacturer or authorized service centers for in-depth troubleshooting and potential repairs.

Warranty

Marshall microphones are guaranteed against defects in material and workmanship for one year from the date of purchase. Should you encounter any problem with this unit, promptly contact the company you purchased it from for assistance. The original dated sales receipt will be necessary for any warranty claim. Do not send any units directly to us without prior authorization from our service department! Warranty coverage is limited to repair or replacement (at our option) of the microphone, and does not cover incidental damages due to use of this unit, nor damage caused by accidental misuse of this product.

Marshall Electronics, Inc.

FREQUENTLY ASKED QUESTIONS

What is the MXL 550/551R Condenser Microphone?

The MXL 550/551R is a condenser microphone set that includes both a large- diaphragm condenser (MXL 550) and a small-diaphragm condenser (MXL 551) microphone.

What sets the MXL 550/551R microphone apart in its class?

The MXL 550/551R set is known for its versatility, offering both a large and small diaphragm microphone for various recording applications, making it suitable for vocals, instruments, and more.

Are the MXL 550 and MXL 551 microphones condenser microphones?

Yes, both the MXL 550 and MXL 551 microphones are condenser microphones, designed for capturing high-quality sound in studio and live settings.

What is the primary use of the MXL 550/551R microphone set?

The MXL 550/551R set is commonly used for recording vocals, acoustic instruments, drums, and other sound sources, making it a versatile choice for home studios and professional setups.

Do the MXL 550/551R microphones require phantom power?

Yes, both the MXL 550 and MXL 551 microphones typically require phantom power (usually +48V) to operate. Make sure your audio interface or mixer can provide this power.

What are the included polar patterns of the MXL 550 and MXL 551 microphones?

The MXL 550 usually features a cardioid polar pattern, while the MXL 551 typically has an omni-directional pattern, offering flexibility in capturing sound from different directions.

Do the MXL 550/551R microphones come with shock mounts or pop filters?

Shock mounts and pop filters are not typically included with the MXL 550/551R set. You may need to purchase these accessories separately if desired.

Are there any included accessories with the MXL 550/551R microphone set?

The package contents may vary, but the MXL 550/551R set often includes microphone clips for both microphones to secure them to stands or mounts.

Are the MXL 550 and MXL 551 microphones compatible with standard microphone stands and boom arms?

Yes, both the MXL 550 and MXL 551 microphones are compatible with standard microphone stands and boom arms, allowing for flexible positioning in various recording setups.

What is the warranty period for the MXL 550/551R microphone set?

Warranty periods may vary, but MXL microphones often come with warranties ranging from 1 to 3 years.

Can I use the MXL 550/551R microphones with recording software on my computer?

Yes, you can use the MXL 550/551R microphones with recording software on your computer by connecting them to an appropriate audio interface or mixer with XLR inputs.

Are the MXL 550/551R microphones suitable for live performances?

While primarily designed for studio use, the MXL 550/551R microphones can be used for live performances in specific situations where condenser microphones are needed.

Are there any known compatibility issues with specific audio interfaces or recording software?

The MXL 550/551R microphones are generally compatible with a wide range of audio interfaces and recording software. Check the product specifications and consult with the manufacturer for any specific compatibility concerns.

How should I care for and maintain the MXL 550/551R microphones?

Proper care includes protecting the microphones from physical damage, avoiding moisture exposure, and storing them in a safe place when not in use. Refer to the user manual for maintenance instructions.

Where can I purchase the MXL 550/551R Condenser Microphone set?

You can typically purchase the MXL 550/551R Condenser Microphone set from authorized audio equipment retailers, online marketplaces, or from the manufacturer's website to ensure you receive genuine products.

Is the MXL 550/551R microphone set suitable for professional recording?

The MXL 550/551R set provides quality results for both home studio and professional recordings, but higher-end microphones may be preferred for professional-grade recording applications.

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