AudioQuest M-27 specifications FCC Compliance and Cautionary Note, Introduction

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FCC COMPLIANCE AND CAUTIONARY NOTE:

User is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help.

INTRODUCTION

The QUEST M-27 Noise Logging Dosimeter is a microcomputer-based sound analyzing instrument for accumulating, displaying, and sending data to serial or parallel printers or computers. The M-27 functions as a personal noise dosimeter, an area monitor or as a survey events monitor (see Figure 1).

Personal Noise Dosimeter:

Accumulates noise data for OSHA hearing conservation, OSHA

engineering controls, and equal energy noise dosimetry. Accumulates peak and maximum levels. Accumulates 1-minute histograms and 1 dB statistical distributions. Is housed in a secure dust- proof case. May be clipped on belt or shirt pocket.

Area Monitor:

Accumulates 40 hours of 1-minute histograms and statistical distributions. May be tripod-mounted.

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Contents Table of Contents FCC Compliance and Cautionary Note IntroductionControl Keys RUN Pause Reset OFFSimplified Operating Instructions CodeDosimeter Keys Procedure to Accumulate Event DataSound Level Meter Keys Time KeysRecording the Calibration Level Setting the ClockUsing a Printer HL3 Print SpecificationsDumping Raw Data Changing Printer ParametersPrinciples of Operation Weighting CharacteristicsGeneral Description GeneralMicrocomputer Modes Battery Replacement Testing and CalibrationBattery Test WhereOperating Procedure As an Area Monitor As a Survey or Event MonitorUse with Windscreen EventsEffects of Operators Presence Connections to Printer Sample PrintoutsPage Page 03CO-1FFF Memory MapMemory Location Data Editing PrintoutDSR Printer SetupExtending Battery Life Internal Switches Switch Positions SwitchSetting Internal Switches Code Decoding Use of Lavg and TWA TroubleshootingInterpreting Results Hints and Good Practices Estimating TWA from LavgAccuracy of Readings Accessories Service Policy

M-27 specifications

AudioQuest M-27 is a standout speaker designed for audiophiles who demand high performance and exquisite sound quality. As part of AudioQuest's commitment to providing unparalleled audio experiences, the M-27 blends advanced technologies with premium materials to deliver exceptional musical clarity and accuracy.

One of the key features of the M-27 is its innovative driver design, which utilizes a new-generation ceramic cone. This cone is engineered to minimize distortion while enhancing transient response. The result is a speaker that offers a clear, detailed sound across a wide frequency range. The drivers are also matched with an advanced neodymium magnet system, ensuring efficient energy transfer and improved bass response.

The M-27 is equipped with a sophisticated crossover network that has been meticulously designed to maintain the integrity of the audio signal. By employing high-quality components, including precision resistors and capacitors, the crossover effectively divides the audio signal into specific frequency bands, allowing each driver to perform at its best. This attention to detail not only enhances sound quality but also helps to create a more cohesive listening experience.

Another notable characteristic of the M-27 is its sturdy and well-constructed cabinet. Built from high-density MDF, the cabinet is engineered to minimize resonance and vibration, which can color sound. Moreover, AudioQuest has incorporated internal bracing to further enhance structural integrity. The elegantly finished exterior not only adds to the speaker's aesthetic appeal but also serves to complement various home decors.

Connectivity is made simple with the M-27, thanks to its standard speaker terminals that accommodate a wide range of wire gauges. This flexibility allows audiophiles to use their preferred cables for optimal performance. Additionally, the speaker is designed to work seamlessly with a variety of amplifier configurations, making it an adaptable choice for different audio setups.

Incorporating these advanced technologies and design principles, the AudioQuest M-27 is not just a speaker; it's a gateway to an immersive listening experience. With its ability to reproduce sound with remarkable accuracy, it will appeal to discerning listeners looking to elevate their audio playback and enjoy their favorite music in a whole new light. Overall, the M-27 stands as a testament to AudioQuest's dedication to crafting high-quality audio products that meet the needs of serious music enthusiasts.
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