All items tagged with free-field (7)

Audio Precision Releases APx v7.0 Audio Measurement Software and Introduces New Subscription Model

November 30, 2021 by audioXpress Staff

Audio Precision Releases APx v7.0 Audio Measurement Software and Introduces New Subscription Model

Audio Precision released the latest update to its APx500 audio measurement software, version 7.0, adding new enhancements suited to a wide range of audio test applications, whether analog, digital, or acoustic. In parallel with release 7.0, Audio Precision is also introducing APx500 software subscriptions, offering APx users an alternative in how they license APx software, and access nearly any software version and option.

New NTi Audio M2340 Class 1 Measurement Microphone for the XL2 Analyzer

July 8, 2021 by audioXpress Staff

New NTi Audio M2340 Class 1 Measurement Microphone for the XL2 Analyzer

NTi Audio announced a valuable new 1/2" measurement microphone option for its portable XL2 Audio and Acoustic Analyzer. The new M2340 model is a development of the existing M2230, and is also a Class 1 measurement microphone, optimized for a flat, free-field response. In addition, the M2340 features self-verification circuitry and consumes significantly less power than the M2230. The M2340 contains the preamplifier and is an ideal omni-directional solution for noise monitoring.

FREE white paper, "Quantifying Acoustic Sources Through Sound Power Measurements"

August 21, 2017 by audioXpress Staff

FREE white paper, "Quantifying Acoustic Sources Through Sound Power Measurements"

Download the FREE white paper, "Quantifying Acoustic Sources Through Sound Power Measurements". Learn how to choose the right sound measurement technique for your testing. Free-field, reverberant field and in-situ testing methods are explained along with the standards for measuring the sound levels of a source.

Fresh From the Bench: Earthworks M50 Omnidirectional Measurement Microphone

July 12, 2017 by Stuart Yaniger

Fresh From the Bench: Earthworks M50 Omnidirectional Measurement Microphone

Stuart Yaniger reviews the Earthworks M50 Omnidirectional Measurement Microphone. Earthworks, a well-regarded brand based in the US, manufactures the M series microphones, targeted at the middle of the market, and ranging in price from $500 to $1300 per microphone. The Earthworks M50 under review ($1299 retail price) is the top entry of the M series, which mainly differs in high-frequency cutoff between models. This article was originally published in audioXpress, July 2017.

PCB Piezotronics Introduces High Amplitude and High Frequency 1/2 Inch Free-field Measurement Microphone

September 18, 2015 by audioXpress Staff

PCB Piezotronics Introduces High Amplitude and High Frequency 1/2 Inch Free-field Measurement Microphone

PCB Piezotronics introduced its new model 377A06 1/2 inch high amplitude, high frequency microphone cartridge for free-field measurements. This new 1/2” microphone minimizes overloading and provides an accurate (flat) response in applications where high frequencies (up to 40 kHz) need to be measured very accurately.

Measurement Microphones: The Good, Bad, and Ugly

July 26, 2015 by Mike Klasco

Measurement Microphones: The Good, Bad, and Ugly

Measurement microphones are a special class of microphones, ranging from laboratory precision instruments to products used for fine tuning sound systems in commercial or residential settings. Measurement microphone pricing varies greatly from $10 to 4,000. The quality differs immensely and there are many choices in between. This article was published originally in Voice Coil October 2012.

PCB Piezotronics Introduces Water and Dust Resistant Test and Measurement Microphone

July 20, 2015 by audioXpress Staff

PCB Piezotronics Introduces Water and Dust Resistant Test and Measurement Microphone

PCB Piezotronics introduced a new 1/2” (12mm) microphone and preamplifier system, for use in applications where moisture, oil splash and contamination are a concern. The new model 130A24 is a free-field, pre-polarized array microphone and preamplifier system, ideal for general purpose acoustic tests in harsh applications and environments.