Austrian Audio OC818 Dual Set Plus
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Manufacturer Information
Austrian Audio
https://www.austrian.audio
support@austrianaudio.com
------------------------
Safety manager:
DPA France
Email: info-fr@dpamicrophones.com
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A Modern Legacy of the CK12, Designed for Studio Demands
The heart of the OC818 lies in the handmade "CKR12" capsule, modeled on the essential dimensions of the iconic CK12. This approach combines a classic sonic aesthetic with modern design, positioning this pair as a high-end solution for critical studio recording.For Sound Engineers, Studios, and Creators Seeking Versatility
Vocals, piano, acoustic guitar, string ensembles, overheads, or ambiance: the multiple polar patterns and onboard settings allow optimization of the source/room ratio, control of bleed, and adaptation of the microphone's response to every context, from home studios to professional studios.Key Features Supporting Creativity
Dual Output and Advanced Possibilities
Each OC818 offers a main XLR output and a secondary output via a 5-pin mini XLR dedicated to the rear diaphragm. Separate recording of the two diaphragms opens the door to fine-tuned post-production processing and facilitates techniques such as M/S or coincident stereo pairs.Polar Pattern Control
Microprocessor control of polarization voltages allows for very precise polar patterns. With the OCR8 accessory (optional), directivity settings can be adjusted remotely without interrupting the session.Low-End and Headroom Management
Two analog low-cut filters (three positions) effectively handle handling noise and rumble at 40, 80, or 160 Hz. The -10 dB and -20 dB pads preserve headroom before saturation on powerful sources, with a maximum level of 148 dB SPL (up to 158 dB SPL with pad).Technical specifications
| Frequency response | 20 Hz - 20 kHz | Capsule | Large Diaphragm |
| Category | studio microphone | Connection | XLR |
| Directivity | stereo, cardioid, figure-8, super-cardioid, Omni | Color | Grey |
| Multi-directionality | cardioid, omnidirectional, figure-8, hypercardioid, preset/customizable | Output impedance | 275 ohms (balanced) |
| Frequency range | 20 Hz - 20 kHz | Recommended load impedance | > 1 kOhm |
| Sensitivity (all polar patterns) | 13 mV/Pa | Power supply | 48 V phantom (< 4 mA, typical 2.1 mA) |
| Equivalent noise level | 9 dB-A | Main connector | 3-pin XLR |
| Max SPL | 148 dB SPL (158 dB SPL with pad) | Secondary connector | 5-pin mini XLR (rear diaphragm) |
| Analog low-cut filter | 40 Hz (2nd order), 80 Hz (2nd order), 160 Hz (1st order up to 80 Hz, 2nd order below) | Dimensions | 157 x 63 x 36 mm |
| Switchable pad | -10 dB, -20 dB | Weight | 360 g |
Questions frequently asked
Is the OC818 Dual Set Plus suitable for vocal and piano recordings?
The CKR12 large diaphragm capsule covers a frequency response from 20 Hz to 20 kHz. The cardioid, omnidirectional, figure-8, and hypercardioid polar patterns allow adapting the capture to both vocals and piano.
Can the two diaphragms be recorded separately with the Austrian Audio OC818 Dual Set Plus?
Each microphone has a main XLR output and a 5-pin mini XLR output connected to the rear diaphragm. Separate recording of the two diaphragms enables post-production processing and the use of M/S techniques or coincident pairs. The polar pattern can thus be adjusted after recording depending on the configuration used.
What high-pass filters are available on these microphones?
Three analog settings are offered: 40 Hz, 80 Hz, and 160 Hz. The 40 Hz filter is second order, while the 160 Hz filter combines a first order up to 80 Hz and a second order below.
What is the maximum sound level these microphones can handle?
The maximum level reaches 148 dB SPL, or 158 dB SPL with one of the switchable pads of -10 dB or -20 dB.
Is phantom power required to use this microphone pair?
48 V phantom power is required, with a typical current consumption of 2.1 mA per microphone. The balanced output impedance is 275 ohms and a load above 1 kOhm is recommended.
