Austrian Audio OC18 Cardioid Precision Microphone

Versatile Cardioid Condenser in the Viennese Tradition

A comprehensive overview of the Austrian Audio OC18 Cardioid Precision Microphone and its features. This microphone is designed with attention to detail, offering a range of features that can contribute to high-quality recordings. Here’s a summary of the key information provided:

Features of the Austrian Audio OC18 Microphone:

Handmade CKR12 Ceramic Capsule:

The OC18 microphone features a single-diaphragm CKR12 ceramic capsule, which is handcrafted for precision and quality.

Precision Matched Microphones:

Austrian Audio OC18 and OC818 microphones are precision matched within a 1dB tolerance. This ensures accurate stereo capture, making them suitable for stereo pair configurations.

Compatibility with OC818:

The OC18 microphone is compatible with the Austrian Audio OC818 microphone, making them suitable for spaced-pair recording setups.

Polar Pattern:

The microphone has a fixed cardioid polar pattern. This means it captures sound primarily from the front while reducing noise from the sides and rear.

Frequency Response:

The OC18 has a frequency response range of 20Hz to 20kHz, allowing it to capture a wide range of frequencies accurately.

Sensitivity:

The microphone has a sensitivity of 13mV/Pa, indicating its responsiveness to sound pressure.

Equivalent Noise Level:

With an equivalent noise level of 9dB SPL (A-weighted), the microphone’s self-noise is minimal, contributing to clean recordings.

Maximum SPL:

The microphone can handle high sound pressure levels, with a maximum SPL of 148dB (158dB SPL with -10dB pad engaged).

Switchable Pad:

The OC18 features switchable pads of -10dB and -20dB, allowing you to reduce the microphone’s sensitivity for recording high-level sound sources.

Switchable High-Pass Filter (HPF):

The microphone includes a three-position switchable high-pass filter with settings at 40Hz, 80Hz, and 160Hz. This helps eliminate low-frequency rumble and noise.

Impedance:

The microphone has an impedance of 275Ω (symmetrical), making it compatible with various preamps and audio interfaces.

Load Impedance:

The recommended load impedance is greater than 1kΩ, ensuring compatibility with a wide range of recording equipment.

Supply Voltage:

The microphone requires 48V phantom power with a consumption of less than 2.2mA.

Included Accessories:

The OC18 comes with a set of accessories, including a spider mount, mic clip, windscreen, and a storage case for protection and convenience.

The Austrian Audio OC18 microphone is designed to deliver high-quality results across a variety of recording scenarios. Its precision craftsmanship, features like the cardioid polar pattern, pads, and high-pass filter, as well as compatibility with the OC818 for stereo configurations, make it a valuable tool for recording professionals.

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