GRAS 146AE Ccp Field Standard Microphone Set 1/2

( Brand: Gras ), ( Manufacturer Part Number: 146AE ), ( Type: Ccp Free-field Standard Microphone )

Review GRAS 1/2 Inch Ccp Free field Standard Microphone Set

The **Gras 146AE 1/2" CCP Free-Field Standard Microphone Set** represents a pinnacle of precision engineering and acoustic excellence, meticulously crafted for applications where uncompromising accuracy and reliability are paramount. This high-performance microphone set is designed to deliver exceptional sensitivity and dynamic range, making it an indispensable tool for researchers, engineers, and professionals in fields such as acoustics, aerospace, automotive testing, and environmental monitoring. Each microphone in the set features a **1/2-inch condenser capsule** with a **flat frequency response** spanning from 20 Hz to 20 kHz, ensuring that every nuance of sound is captured with remarkable fidelity. The **CCP (Cylindrical Condenser Principle)** technology enhances directional sensitivity, providing superior rejection of off-axis sounds while maintaining an omnidirectional response in the desired measurement plane. This design is particularly advantageous in free-field environments, where accurate sound pressure level measurements are critical for validating acoustic models, conducting noise reduction studies, or evaluating the performance of sound systems.

Constructed with durability in mind, the Gras 146AE is built to withstand rigorous testing conditions, featuring a robust **stainless steel housing** that resists corrosion and mechanical stress. The microphone s **prepolarized design** eliminates the need for external polarization circuitry, simplifying integration into measurement systems while ensuring consistent performance over time. Each unit is paired with a **high-quality preamplifier** that minimizes noise and distortion, allowing for clean, high-fidelity signal output. The set includes two microphones, each equipped with a **threaded mounting stud (M10 x 1)** for secure attachment to test fixtures, wind screens, or other accessories, ensuring stability during dynamic measurements. The **low self-noise level** of the microphones typically below 10 dBA enables measurements in quiet environments without interference, while their **high sensitivity** (approximately 50 mV/Pa) ensures that even subtle acoustic phenomena are detectable.

Beyond its technical specifications, the Gras 146AE is renowned for its **calibration stability**, with a traceable calibration certificate provided for each microphone to ensure compliance with international standards such as IEC 61672. This level of precision is essential for applications requiring repeatable and reproducible results, such as aircraft noise certification, vehicle interior acoustics testing, or structural vibration analysis. The microphones **flat frequency response** and **low distortion** make them ideal for capturing transient events, such as impact noise or broadband sound fields, without coloration. Additionally, the set s compatibility with a wide range of data acquisition systems and signal analyzers ensures seamless integration into existing workflows, whether in a laboratory, anechoic chamber, or field testing environment.

For professionals who demand nothing less than perfection in acoustic measurement, the Gras 146AE 1/2" CCP Free-Field Standard Microphone Set delivers unmatched performance, reliability, and versatility. Whether used for research, quality assurance, or compliance testing, this microphone set embodies the precision and innovation that define modern acoustics engineering. Its combination of advanced technology, robust construction, and exceptional sensitivity makes it a cornerstone for any application where accurate sound measurement is non-negotiable.

The **Gras 146AE 1/2" CCP Free-Field Standard Microphone Set** is a professional-grade condenser microphone designed for high-quality audio recording, particularly in studio or controlled environments. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High-Quality Sound Reproduction**

The 146AE is known for its excellent frequency response and detailed sound capture, making it suitable for vocal recording, acoustic instruments, and general studio work. Its free-field design ensures accurate sound reproduction without proximity effect, which is ideal for capturing subtle nuances in audio.

2. **Durable and Robust Construction**

As part of the **Gras 146 series**, this microphone is built with high-quality materials, including a **1/2" capsule** that is less prone to damage compared to smaller capsules. The robust build ensures longevity, even with frequent use.

3. **Versatile Polar Pattern**

The microphone features a **cardioid polar pattern**, which helps reduce background noise and isolates the sound source effectively. This makes it well-suited for studio environments where control over ambient sound is crucial.

4. **Low Self-Noise**

The 146AE has a **low self-noise level**, typically around **12 dBA**, which is excellent for capturing quiet signals without introducing unwanted noise. This is particularly beneficial for recording vocals or delicate instruments.

5. **Compatibility with Professional Audio Interfaces**

It works seamlessly with most **XLR-compatible audio interfaces** and mixers, making it a versatile choice for studio setups. The included **CCP (Close-Cap) adapter** allows for flexible mounting options, including boom stands, mic stands, or direct mounting.

6. **Wide Frequency Response**

With a frequency range of **20 Hz to 20 kHz**, the microphone captures a broad spectrum of sound, ensuring that both low-end and high-end details are preserved in recordings.

7. **Professional-Grade Build**

The microphone is designed for **studio and broadcast use**, meaning it is built to withstand professional environments without compromising performance.

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### **Cons**

1. **Price Point**

The 146AE is **not a budget-friendly microphone**. It falls in the **mid-to-high-end range**, making it less accessible for beginners or hobbyists on a tight budget. For comparison, it is significantly more expensive than consumer-grade condenser mics like the Rode NT1 or Audio-Technica AT2020.

2. **Requires Phantom Power**

Like most condenser microphones, the 146AE requires **phantom power (48V)** to operate. This means you ll need an audio interface or mixer that supports it, adding to the overall cost if you don t already have compatible equipment.

3. **Not Ideal for On-Air or Live Use**

While it performs exceptionally in studios, the 146AE is **not designed for live performance or on-air broadcasting**. Its sensitivity and lack of built-in shock mount protection make it less suitable for dynamic environments where physical handling is involved.

4. **No Built-in Pop Filter or Windshield**

The microphone does not come with a **pop filter or windshield**, which means you ll need to purchase these separately if recording vocals or sources prone to plosives. This adds to the initial setup cost.

5. **Requires Proper Acoustics**

Like all high-quality condenser mics, the 146AE **benefits from a well-treated recording space**. If your recording environment has poor acoustics (e.g., echo, reverberation), the microphone will still capture those issues, requiring additional treatment (e.g., acoustic panels, diffusers).

6. **Limited Built-in Features**

Unlike some high-end mics, the 146AE lacks **switchable polar patterns** or **built-in EQ/processing**. It is a **pure condenser microphone** with no additional onboard controls, meaning all adjustments must be made via your audio interface or DAW.

7. **Sensitivity to Handling Noise**

Due to its delicate capsule, the microphone can pick up **handling noise** (e.g., breath sounds, finger movements) if not properly supported. A **shock mount** is highly recommended to mitigate this.

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### **Conclusion**

The **Gras 146AE 1/2" CCP Free-Field Standard Microphone** is a **superior choice for professional studio recording**, particularly for vocalists, acoustic instrument recording, and high-fidelity audio capture. Its **exceptional build quality, low self-noise, and accurate sound reproduction** make it a favorite among engineers and producers who demand the best performance.

However, its **high cost, requirement for phantom power, and lack of built-in features** may make it **less ideal for beginners, live performers, or those on a budget**. Additionally, it is **not a plug-and-play solution** it requires proper setup (shock mount, pop filter, treated room) to fully realize its potential.

If you are a **serious musician, podcaster, or audio professional** with the budget and infrastructure to support it, the 146AE is an **excellent investment**. For **hobbyists, live performers, or those just starting out**, there are more affordable alternatives (e.g., **Rode NT1A, Audio-Technica AT4040, or AKG C414**) that still offer high quality without the premium price tag.

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### **Recommendation**

- You are a **professional or serious enthusiast** investing in a **long-term studio microphone**.

- You prioritize **accuracy, durability, and low noise** in your recordings.

- You already have a **treated recording space** and **phantom-powered audio interface**.

- You plan to record **vocals, acoustic instruments, or high-fidelity audio** where detail matters.

- You are a **beginner or hobbyist** looking for a more affordable option.

- You need a microphone for **live performance, podcasting on the go, or untreated spaces**.

- You do not have **phantom power** or a **proper recording setup**.

- You want **switchable polar patterns or onboard processing** (in which case, consider the **AKG C414 or Neumann TLM 103**).

For most **professional studios**, the 146AE is a **top-tier choice**. For others, it may be **overkill** in which case, exploring mid-range alternatives could provide a better balance of quality and cost.

Details:

Minor wear to labeling may be visible. Excellent condition. Some parts, panels, bezels, or covers may be missing. May have light scratches or other minor blemishes from normal wear.

No missing parts. Cosmetic: Fair Moderate use and age - conditions are consistent of wear, including multiple dents, discoloration, light heavy scratches. Cosmetic: Very Good - blemishes include minor scratches and/or surface imperfections from consistent use, but equipment is in good condition. The batteries included in our laptops have been tested for functionality.

May not include batteries that are working or tested. Inspected and determined to be viable for reuse or parts. Whats NOT Included: Connecting cords. Cosmetic: Unused - New, out of box, unused equipment removed from original packaging with no signs or wear alteration.

No missing or damaged components parts. Cosmetic: Excellent - Overall excellent cosmetic condition. Hardware Functional: All hardware is tested manually or with diagnostic software and verified working. Minor cosmetic blemishes have no impact on the systems overall functionality or performance.

No hardware defects. Condition: Key Functions Working: Some of the functions that a user expects to work properly have been tested through manual or automated means. Damage to latches, keyboards, hinges, etc. Shipping: Evolution E-Cycling only ships to addresses in the lower 48 States.

RA0341 calibration adapter. Data sanitized or free of data storage media. Note that changes to shipping method cannot be made once the order has been paid for. Data sanitized or free of storage media.

Secondary functions may not be tested or working. Cosmetic: New Open Box - New, unused equipment in original packaging where factory seals have been broken. May be missing components not essential to key functions. Software may not be loaded or configured.

Collectible or Specialty equipment: Rare, vintage, and no longer manufactured supported by original manufacturers. Data is sanitized or free of data storage media. This unit is for use in the USA only. Software not loaded or configured.

Whats Included: GRAS 46AE 1/2 CCP Free-Field Standard Microphone. RA0340 protection grid. Minor dents and areas of discoloration from the removal tags. No signs of wear or alteration.

Fully cleaned with all non-original labels removed. No damage to latches or hinges, nor any missing parts, panels, bezels, covers. Specifications: Listed above. May have broken or missing pieces.

Condition: Tested for functionality.

part #: 146ae prices

• $1075.00-$1200.00

specifications automationjack:

• brand: Gras
• mpn: 146ae
• type: Ccp Free-field Standard Microphone

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

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