Sistem de Masura Dayton Audio OmniMic 40k

3.635 lei / Bucata 3.471 lei / Bucata

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Sistem de Masura Dayton Audio OmniMic 40k

3.635 lei / Bucata 3.471 lei / Bucata

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    Descriere

    The Dayton Audio OmniMic 40k is a powerful and precise all-in-one acoustic measurement system, perfect for optimizing audio systems at any level. Featuring a durable USB omnidirectional microphone capable of calibrated measurements from 5 Hz to 40,000 Hz with high fidelity and minimal variance, even off-axis. The included PhotoLink device allows accurate time-of-flight for true phase measurements, essential for speaker design and system calibration. With capabilities including frequency response, SPL, harmonic distortion, and room acoustics analysis, along with intuitive software, the OmniMic 40k provides professionals and hobbyists with everything needed to design and refine audio systems.

     

    Hoogtepunten

    • Accurate response from 5 to 40,000 Hz using the unique calibration files
    • High dynamic range allows precise and distortion free measurements up to 145 dB
    • Instantly calculates acoustic time of flight providing actual delay and true phase response
    • Built-in 2.83 volt indicator for standardized frequency measurements
    • Custom 4 mm capsule and small aperture enable omnidirectional performance up to 40 kHz
    • Quick and easy setup, even beginners will be making precision measurements in minutes
    • Measures frequency response, true phase, distortion, SPL, loudspeaker compression, and much more

     

    Productdetails

    Dayton Audio OmniMic 40k Measurement System

     

    Dayton Audio Omnimic 40K Is Here - Banner

    Introducing the Dayton Audio OmniMic 40k

    Precision Made Simple, Redefining Acoustic Precision for Everyone

    Omnimic 40K Microphone

    Dayton Audio’s OmniMic 40k is an essential tool for revealing the finest acoustic details. The robust device is engineered to deliver rapid and precise acoustic measurements essential for maximizing the performance of any audio system. Designed for professionals and hobbyists who demand perfection, the OmniMic 40k ensures that from initial acoustic measurement through to final system calibration, no detail goes unnoticed.

    OmniMic 40k Precision Calibrated Microphone

    Omnimic 40K Tip and Aperture

    At the core of the OmniMic 40k lies our cutting-edge USB omnidirectional precision measurement microphone equipped with an integrated analog-to-digital converter. Boasting a compact 4mm capsule, the OmniMic 40k offers calibrated measurements ranging from 5Hz to an impressive 40,000Hz, comfortably enveloping the entire audible spectrum and beyond. The compact aperture minimizes internal reflections and edge diffraction, ensuring consistent response even when sound arrives significantly off-axis, thereby maintaining exceptional omnidirectional performance.

    Featuring internal high voltage circuitry, the OmniMic 40k’s microphone offers an extremely wide dynamic range capable of capturing measurements up to 145 dB without suffering from compression or distortion. An easily accessible attenuator switch allows for level adjustments, ensuring outputs align seamlessly with the on-board ADC for maximum detail and precision. An exclusive addition is the IR receiver which, in conjunction with the PhotoLink, enables the system to precisely calculate both the time of flight and the distance between the acoustic source and the microphone. The sturdy stainless steel housing of the microphone further guarantees durability and sustained performance.

    PhotoLink Captures Accurate Time of Flight

    Omnimic 40K Photolink Time of Flight Calculation example

    The innovative PhotoLink device sets the OmniMic 40k apart from competing measurement systems. Establishing an optical connection with the microphone, the PhotoLink enables exact calculation of delay and distance from the acoustic source to the mic capsule. This feature is crucial for accurate delay measurement and true phase capture, both essential for constructing precise on and off-axis simulations critical in designing any multi-way speaker system or array. The PhotoLink also features a visible 2.83V indicator to facilitate consistent signal level adjustment between measurements, essential for maintaining comparable sensitivity across different drivers. Remarkably, the PhotoLink operates passively, requiring no direct connection to the microphone or computer, thereby streamlining the setup process.

    Simple and Easy to Setup Software

    Easy to operate, the OmniMic 40k comes equipped with intuitive software that lets you start testing within minutes of unboxing. Every aspect of the sound from distortion up to 20,000 Hz to precise time of flight is easily accessible. Beyond functionality, its compact and portable design, coupled with an affordable price point, makes it an unrivaled choice in acoustic measurement.

    Included are all the essentials: the OmniMic 40k microphone, PhotoLink, test leads, a 16.4 ft. USB cable, a compact microphone stand, a mic clip, and a wooden protective storage case, making it ready for immediate field use.

    Trust in the Dayton Audio OmniMic 40k for a measurement experience that epitomizes accuracy, efficiency, and ease. Make it your go-to system to ensure your audio work resonates with clarity and depth, every time

    https://www.parts-express.com/Themes/Default/images/PDP/300-794/Omnimic and Box Small.jpg

    Note:

    For measurement up to 40,000 Hz, your system will need a digital-to-audio converter (DAC) with a sampling rate of 88.2kHz or higher and an amplifier capable of nearly flat response up to 40,000 Hz.

    We recommend the following:

     

    Dayton Audio DAC01 Digital to Audio Convertor

     

    Dayton Audio DAC01

    The Dayton Audio DAC01 USB interface provides superb digital-to-analog conversion in a perfectly portable package. With sampling rates up to 96 kHz/24-bit, this DAC is ideally suited for delivering clean output up to 40,000 Hz. Simple plug-and-play operation makes the Dayton Audio DAC01 USB audio DAC a perfect option for measurement systems.

    Dayton Audio APA150

     

    Dayton Audio APA150

    Dayton Audio’s versatile APA150 power amplifier delivers 75 watts per channel in its full-range stereo configuration, or 150 watts into 8 ohms when in bridge-mono mode. The compact size, flat response, and ample output power make this an excellent amplifier for acoustic measurement.



    OmniMic 40K Frequency and Impulse

    Frequency & Impulse Response

    Frequency Response is a curve that shows how strongly an audio system reproduces different parts of the frequency range. A frequency response is related to its „impulse response” (the pressure signal that a speaker or sound system would make if it were fed by an extremely short pulse). Up to 40 saved Frequency Response curves (previously saved in „FRD” files) can be displayed on-screen simultaneously with the current measurement.

    OmniMic 40K Polar Response

    Polar Response

    The purpose of a Polar Display is to reveal how the frequency response of a loudspeaker varies with horizontal or vertical angles from the baffle. Speaker designers generally design loudspeakers for a specified (usually, flat) frequency response at a position on-axis of a speaker and at some assumed distance from the baffle.

    OmniMic 40K Harmonic Distortion

    Harmonic Distortion

    Harmonic distortion is the unwanted addition of new tones to the original audio signal. These distortion products occur at multiples of the original frequency and are centered on the harmonics of the original. For example, a 1kHz fundamental that has been subjected to harmonic distortion will produce energy at 2kHz (2nd harmonic), 3kHz (3rd harmonic), 4kHz (4th harmonic), and so on. OmniMic 40k will display 2nd thru 5th harmonics along with the total harmonic distortion.

    OmniMic 40K Time of Flight Window

    Time of Flight and True Phase

    When developing a speaker system, accurately identifying the acoustic center of each driver is critical to ensure that simulations align with real-world outcomes. The Photolink device establishes an optical link with the OmniMic 40k microphone, enabling precise measurements of both delay and distance between the acoustic source and the microphone. This integration streamlines the design and simulation process by eliminating any guesswork, or unnecessary steps.

    OmniMic 40K Cumulative Spectral Decay

    Cumulative Spectral Decay

    A waterfall (or CSD) illustrates, on a 3-D graph, how a speakers’ energy decays or is radiated over a range of frequencies. Waterfall plots are used by driver and loudspeaker designers for driver selection, to identify resonances or reflections, and to view driver and waveguide behavior.

    OmniMic 40K SPL Meter and Spectrum Analyzer

    SPL Meter / Spectrum Analyzer

    The SPL (Sound Pressure Level) meter is a tool designed to accurately quantify the loudness of a source. Additionally, the spectrum analyzer provides detailed insight, displaying the relative SPL across various frequency bands.

    OmniMic 40K Energy Time Curve

    Energy Time Curve

    The curve shown is the energy relative to the level of the energy in the first peak as an impulse comes from the speaker and reflects around the room. In other words, imagine the speaker sent out a sudden pulse rather than the sweep this test uses.

    OmniMic 40K Oscilloscope

    Oscilloscope

    Leverage the Oscilloscope to effectively visualize sound waveforms encompassing musical tunes, vocalizations, or emissions from loudspeakers. This tool offers precise insights into the dynamics and details of audio signals.

    Omnimic 40K Bass Decay

    Bass Decay

    Utilize the Bass Decay Analyzer to accurately gauge the decay of bass notes within a given space. This measurement is essential for comprehensively understanding and compensating for the influence of the room’s acoustics on the lower frequencies.


    Download Your Bespoke Omnimic 40k Calibration File

    A unique serialized calibration .txt file will be available for your OmniMic 40k . Once you receive your microphone, Visit the Dayton Audio calibration download tool where you will be prompted to enter the serial number found on the base of your calibrated OmniMic 40k. After entering the serial number, your unique calibration .txt file will be available for you to download.

    Calibration Download Tool

    Article numberOmniMic 40k
    EAN0848791010514
    Measurement DomainAcoustic
    ConnectorUSB-B
    Calibration fileCheck
    PowerUSB-Powered
    OS-supportWindows
    Max SPLUp to 145dBSPL or higher using its 24dB attenuator switch
    Polar patternOmnidirectional
    Capsule TypeElectret
    Frequency response5 Hz – 40,000 Hz
    Dimensions1″ x 8.625″ (25.5 mm x 219 mm)

    Informații suplimentare

    Producător

    Disponibilitate

    La Comandă * Se aduce la comandă in 3-6 zile.

    Unitate Pret

    Bucata

    Explicatii in ceea ce priveste rodajul echipamentelor, cat si al cablurilor, asezarea optima a echipamentelor in camera de auditie, importanta acusticii camerei si nu in ultimul rand sistemul de alimentare a intregului echipament:

    PENTRU BOXE:

    - Pentru performante optime este necesara pozitionarea boxelor la o distanta de minim 30-40cm de peretele din spate pentru boxele cu bass-reflex in spate, pentru cele cu bass-reflex in fata, recomandam pozitionarea la o distanta de 10-20cm fata de peretele din spate, dar totodata la o distanta de cel putin 50cm fata de peretii laterali. Tineti cont de faptul ca orice piesa de mobilier din incapere, joaca rol de absorbtie fonica, dar si de difuzie fonica daca acestea din urma sunt din materiale ceramica sau oglinzi, geamuri sau alt material reflectorizant. In acest sens, gasiti pe blogul nostru, multiple articole care va pot ajuta

    - Boxele vor ajunge sa functioneze in parametrii recomandati de producator, dupa minim 50 de ore (ideal 100 ore) de functionare la volum mediu. In aceasta perioada de timp, de “rodaj a boxelor”, sunetul va fi la inceput mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce boxele vor functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate. Exista boxe care necesita un „rodaj” mai amplu de minim 300 de ore mai ales in cazul celor care au difuzoare de kevlar, carbon sau alte materiale de acest tip. Boxele care se „rodeaza” cel mai repede sunt cele care au difuzoare de celuloza.

     

     

    Imbunatatirea sunetului unui sistem audio stereo (Partea I)

    Imbunatatirea sunetului unui sistem audio stereo – (Partea II)

     

    PENTRU AMPLIFICATOARE, DAC-URI, PREAMPLIFICATOARE, RECEIVER STEREO & HOME CINEMA, SURSE DIGITALE AUDIO-VIDEO:

    - Pentru performante optime este necesar „rodarea” echipamentului, In functie de complexitatea componentelor din aparatul dumneavoastra acesta poate dura intre 30-200 ore.

    - Rodajul se face la volum minim, fiind astfel suficient faptul ca acesta este alimentat corect conform manualului de utilizare la 220-230 Volti si trece semnal audio sau video dupa caz prin el.

    - Echipamentul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce echipamentul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.

    - In ceea ce priveste echipamentul video precum videoproiector, TV, media player, blueray player, necesita un "rodaj" de cel putin 50 de ore. Lipsa acestuia nu va poate oferi maxim de performanta. "Rodajul" se efectueaza prin simpla utilizare a acestuia, intr-un mod conform specificatiilor mentionate de producator.

     

    PENTRU CABLURI:

    - Pentru performante optime este necesara „rodarea” cablurilor, In functie de complexitatea conductorului folosit, cat si geometriei acestuia, „rodajul” poate dura intre 30-100 ore.

    - Rodajul se face la volum minim, fiind astfel suficient faptul ca va trece semnal audio sau video dupa caz prin el.

    - Cablul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, pe masura ce cablul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.

     

     

    Articole indrumatoare:

    Dictionar Audiofil

    Tratamentul Acustic si Izolarea Fonica

    Pentru un sistem echilibrat, trebuie tinut cont pe langa asezarea corecta a boxelor in incapere, al echipamentelor, sistemul de alimentare al acestora, tinand cont de instalatia electrica a locatiei.

    Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!

     

    DaytonAudio - Excelenta pe bani putini Existamulte marci care reusesc sa propuna pietei produse de buna calitate la preturifoarte accesibile, dar raportul calitate/pret la care ajung inginerii de laDayton Audio depaseste imaginabilul. Cu peste 20 de ani de experienta indomeniu, Dayton Audio a devenit unul dintre varfurile de lance cu care Hi-Fi-ulieftin iese la atac in eterna disputa cu mai marii industriei. Principiulde la care nu se face niciun fel de rabat este acela de a respecta cele treielemente considerate esentiale: inovatie, valoare, calitate. Misiunea propusaeste aceea de a calibra la milimetru raportul dintre tehnologie si arta, pentruobtinerea unor rezultate sonore imbatabile chiar si pentru clase de pret multsuperioare. Cuo gama larga de componente audio in portofoliu (boxe, amplificatoare, sistememulticanal, subwoofere, sisteme de prindere etc), compania din Springboro,Ohio, este considerata una dintre cele mai bune pe segmentul de boxe, multedintre seriile purtand marca Dayton Audio primind notele maxime atat din parteajurnalistilor, cat si a utilizatorilor. Dupa cum spune chiar sloganul companiei - awesomely affordable - excelenta pe bani putini.

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