Audix A133 Condenser Microphone Specification & DataSheet

Audix A133 Condenser Microphone

OVERVIEW

• The A133 is a large diaphragm condenser microphone ideal for vocals, choir, piano, acoustic instruments, and overheads. Featuring a contemporary, compact design, the A133 is the perfect choice for podcasting, professional audio production, studios, and live stage performances.
• Housed in a precision-machined aluminum body, the 33 mm fixed-charge capsule features a gold-sputtered diaphragm for wide, natural frequency response. With its well-behaved cardioid polar pattern, the A133 faithfully captures the detail of the performance while rejecting room noises and other unwanted, off-axis sounds.
• A double-woven steel mesh grille and ultra-thin acoustic foam offer exceptional pop resistance for podcasting and vocals. Behind the grille, the open-air design of the capsule mounting system allows the A133 to deliver transparent, uncolored sound.
• Proprietary impedance control between the capsule and circuitry ensures consistent and reliable performance across a wide range of environments.
• A unique and highly effective internal shock mount isolates the capsule from mechanical vibrations and touch noise, eliminating the need for a bulky external shock mount.
• The switchable 10 dB pad and bass roll-off ensure you’re ready for any recording or live performance situation.
• Offering studio performance in a road-worthy package, the A133 also comes with a protective zippered carrying case.
• Requires 48-52 V phantom power. For best results, the A133 should be used with a high-quality mic preamplifier and microphone cable.

MODEL VARIATIONS

• A131 – Large diaphragm condenser microphone without pad and roll-off

SUPPLIED ACCESSORIES

• POUCHAXMED – Protective zippered carrying case
• DCLIP – Heavy-duty nylon molded snap-on clip

OPTIONAL ACCESSORIES

• APS2 – Two-channel 48 V phantom power supply with 110 V switchable to 240 V and detachable power cord
• TRIPOD – Metal tripod desktop mic stand
• STANDKD – Short pedestal stand with telescoping boom arm
• DFLEX – Dual pivot rim mounted clip with extra wide butterfly jaws
• CBL20 – 20’ premium XLR-XLR balanced mic cable. Quad conductor, twisted pair with braided shield for conductivity. 6 mm PVC jacketed
• CBLDR25 – 25’ premium right angle XLR balanced mic cable. Quad conductor, twisted pair with braided shield for conductivity. 6 mm PVC jacketed
• PD133 – Pop diffuser to control plosives

FEATURES

• Large 33 mm condenser capsule
• Cardioid polar pattern
• Proprietary internal shock mount
• The low noise preamp circuitry
• Switchable 10 dB pad and bass roll-off
• Designed, machined & tested in the USA

APPLICATIONS

• Vocals
• Choir
• Voiceover
• Podcasting
• Piano
• Acoustic instruments
• Drum overheads

OPERATION AND MAINTENANCE

• The A133 is a low-impedance microphone and should be plugged into a “mic level” input on your console, mixer, or recording device. The A133 requires phantom power and will NOT operate without phantom power voltage (48 Volts recommended) which is available on most professional mic preamps and mixing devices. If phantom power is not available on your equipment, use a phantom power supply such as the Audix APS2.
• Avoid plugging or unplugging the microphone from a PA system unless the channel is muted, or the volume of the system is turned down. Failure to do so may result in a loud “popping” noise which could seriously damage the speakers in the PA system or studio monitors.
• The A133 is manufactured to exact specs with road-worthy construction. However, the capsule is highly sensitive and should be handled with care. Avoid extreme temperatures and be sure to store your microphone in the case provided when not in use. Moisture of any kind can adversely affect the sound and performance of your microphone.

USER TIPS

• The correct side: Note that the front of the microphone element is on the same side as the printing. This side of the microphone should be facing toward the sound source.
• When using at close range or on instruments with high SPL, apply the 10 dB pad. If there is a need to reduce lower-frequency vibrations, apply the low-frequency roll-off.
• Further miking techniques may be found at www.audixusa.com.

SPECIFICATIONS & DIAGRAMS

• Transducer / Capsule Technology: 33 mm fixed-charge condenser / 29 mm 3.4-micron gold-sputtered diaphragm
• Frequency Response: 40 Hz – 20 kHz
• Polar Pattern: Cardioid
• Output Impedance: 150 ohms
• Sensitivity: 23 mV / Pa @ 1 kHz
• Signal to Noise Ratio: 84 dB
• Maximum SPL: 140 dB (150 dB with pad)
• Dynamic Range: 130 dB
• Equivalent Noise Level: 10 dBA
• Operating Voltage: 48 V (± 4 V) Phantom
• Roll-off Filter: @ 150 Hz
• Connector: 3-pin XLR male
• Materials / Finish:
  • Body: Machined aluminum
  • Grille: Steel alloy
• Weight: 280 g / 10 oz

Frequency Response

Polar Pattern

Dimensions

© 2020 Audix Corporation. Audix is a registered trademark of the Audix corporation. Specifications are subject to change without notice. For service and warranty information, visit AudixUSA.com/service

FREQUENTLY ASKED QUESTIONS

What is the Audix A133 Condenser Microphone?

The Audix A133 is a condenser microphone known for its sound quality and versatility, designed for professional audio recording applications.

What sets the A133 microphone apart in its class?

The A133 microphone is celebrated for its build quality, sensitivity, and its ability to capture audio with clarity and precision.

What type of microphone is the A133?

The Audix A133 is a condenser microphone, favored for its sensitivity and suitability for studio-quality recording.

What is the primary use of the A133 microphone?

The A133 is commonly used for studio recording, including vocals, acoustic instruments, voiceovers, and various sound sources where high-quality audio capture is desired.

Does the A133 require phantom power?

Yes, the A133 condenser microphone typically requires phantom power (usually +48V) for proper operation. Ensure your audio interface or mixer can provide this power.

What is the included polar pattern of the A133 microphone?

The A133 often features a cardioid polar pattern, which is ideal for capturing sound from the front while minimizing background noise.

What is the frequency response range of the A133?

The A133 is designed to capture audio within a specific frequency response range, 20Hz covering the essential sound spectrum.

Does the A133 come with a shock mount or pop filter?

Some versions of the A133 microphone may include a shock mount, but a pop filter is typically not included. These accessories can be added separately if needed.

Are there any included accessories with the A133 microphone, such as a carrying case?

The package contents may vary, but some A133 microphones come with a protective pouch or carrying case. Check the product listing for details.

Is the A133 compatible with standard microphone stands and boom arms?

Yes, the A133 typically features a standard microphone mount, making it compatible with most microphone stands and boom arms.

What is the warranty period for the A133 microphone?

Warranty periods for the A133 microphone may vary, but they often range from 1 year to several years.

Can I use the A133 with recording software on my computer?

Yes, you can use the A133 with recording software on your computer by connecting it to an appropriate audio interface or mixer.

Is the A133 suitable for live performances?

While it's primarily designed for studio recording, some users may choose to use the A133 for live performances, especially in controlled sound environments.

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

The A133 is generally compatible with a wide range of audio interfaces and recording software, but it's advisable to check the product specifications and consult with the manufacturer for any specific compatibility concerns.

How should I care for and maintain the A133 microphone?

Proper care includes protecting it from physical damage, keeping it clean, and storing it in a suitable carrying case when not in use. Refer to the user manual for detailed maintenance instructions.

Where can I purchase the Audix A133 Condenser Microphone?

You can typically purchase the Audix A133 Condenser Microphone from authorized audio equipment retailers, music stores, or reputable online marketplaces to ensure you receive a genuine product.

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