Earthworks QTC30 Omni Microphone for Quiet Sources, 6Hz-30kHz Frequency Response, 100 Ohms Output Impedance, Matched Pair

SKU: EWQTC30MP MFR: QTC30MP
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Key Features

  • Capture pristine sound with this Earthworks condenser microphone, ideal for quiet sources.
  • Experience exceptional clarity with a wide 6Hz-30kHz frequency response in this microphone.
  • Achieve natural recordings using the QTC30's precise omnidirectional polar pattern.
  • Enjoy low-noise performance (22dB SPL) for professional studio-quality recordings.
  • Rely on the matched pair for accurate stereo imaging and balanced sound capture.
  • Trust in the durable build quality, backed by Earthworks' 15-year limited warranty.
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Earthworks QTC30 Specifications

  • Frequency Response

    6Hz-30kHz, +/- 1/-3dB

  • Polar Pattern

    Omnidirectional

  • Sensitivity

    30mV/Pa (-30.5dBV/Pa)

  • Power Requirements

    48V Phantom, 10mA

  • Max Acoustic Input

    142dB SPL

  • Output

    XLR (pin 2+)

  • Output Impedance

    100 Ohms, balanced (50 Ohms ea. pin 2 & 3)

  • Min Output Load

    600 Ohms between pins 2 & 3

  • Noise

    22dB SPL equivalent (A weighted)

  • Dimensions (L x D)

    165 x 22mm (6.49 x 0.86")

  • Weight

    0.35lbs (158.75g)

  • UPC Code

    827517188805

13 Accessories for Earthworks QTC30 Omni Microphone for Quiet Sources, 6Hz-30kHz Frequency Response, 100 Ohms Output Impedance, Matched Pair

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  • Cables & Adapters (13)

About Earthworks QTC30

An epitome of acoustic precision, the Earthworks QTC30 Omni Microphone stands out as a professional-grade, pre-polarized condenser microphone, seamlessly integrated with a dedicated wideband, low output impedance preamplifier. Engineered for the discerning audio professional, the QTC30 is meticulously designed to capture the subtle nuances of quiet sources with unparalleled clarity.

Boasting an expansive linear free-field frequency response that ranges from the deep lows of 6Hz to the ultrasonic highs of 30kHz, this microphone is capable of recording a broad spectrum of sounds, making it exceptionally versatile for various recording scenarios. Its ultra-fast impulse response and negligible self-noise ensure that recordings are captured with high fidelity, presenting the truest representation of the original sound.

The QTC30's robust construction is matched by its reliable performance, characterized by a consistent omnidirectional polar pattern that captures sound with equal sensitivity from all directions. This feature, coupled with its high SPL handling capabilities, makes it an ideal choice for recording delicate vocals, intricate string arrangements, expressive woodwinds, and the ambient soundscapes of distant-miked orchestras or choirs.

Innovative in design, the QTC30 exhibits no proximity effect, allowing for flexible mic placement without the risk of altering the tonal balance. Its fast diaphragm settling time contributes to a sound that is natural and uncolored, perfect for capturing the authentic atmosphere of studio sessions, rehearsals, and live performances.

Operation of the Earthworks QTC30 is straightforward and user-friendly. Simply connect the microphone to a microphone pre-amplifier that supplies the standard 48V phantom power via a standard XLR microphone cable. The microphone is resilient to "hot" plugging, facilitating quick setup without the risk of damage, and it reaches optimal performance within a minute of connection.

Crafted with durability in mind, the QTC30 is constructed without removable parts to ensure a long-lasting, reliable tool for audio professionals. To maintain the pristine condition of the microphone, it is advised to avoid contact with the front protective screen, refrain from disassembly, and protect it from extreme temperatures and humidity. When transitioning from cold environments, allow the microphone to acclimate in its case before use.

The Earthworks QTC30 Omni Microphone is a testament to high-quality, innovative audio recording technology, offering a durable and reliable solution for capturing the most nuanced and quiet audio sources with professional-grade fidelity.

Earthworks QTC30 Features

  • Professional-grade, pre-polarized condenser microphone with dedicated wideband, low output impedance preamplifier
  • Exceptional frequency response of 6Hz to 30kHz, capturing a broad spectrum of sounds
  • Ultra-fast impulse response and minimal self-noise for high-fidelity recordings
  • Consistent omnidirectional polar pattern for equal sensitivity from all directions
  • High SPL handling capabilities, ideal for recording delicate vocals, strings, woodwinds, and ambient sounds
  • Durable construction with no removable parts, ensuring longevity and reliable performance

Warranty Information

This product has a limited warranty of 180 months.

Key Features

  • Capture pristine sound with this Earthworks condenser microphone, ideal for quiet sources.
  • Experience exceptional clarity with a wide 6Hz-30kHz frequency response in this microphone.
  • Achieve natural recordings using the QTC30's precise omnidirectional polar pattern.
  • Enjoy low-noise performance (22dB SPL) for professional studio-quality recordings.
  • Rely on the matched pair for accurate stereo imaging and balanced sound capture.
  • Trust in the durable build quality, backed by Earthworks' 15-year limited warranty.

What's in the box:

  • Earthworks QTC30 Omni Microphone (Matched Pair)
  • Mounting Clips
  • Calibration Chart
  • Case
  • Earthworks 15 Year Limited Warranty