Here's What Austrian Audio say:
A complete set perfect for Stereo Recording
The Dual Set Plus contains 2 x OC18 Classic Cardioid Large Diaphragm Condenser Microphones. Each OC Microphone is rigorously tested in our state of the art measurement systems in Vienna, and precision matched to within a stringent 1dB tolerance.
All the Accessories are included (2 each of OCS8 Spider Mount shock mounts, OCH8 Mic Clip Holder OCW8 Windshield ) and the new SB1 Stereo Bar for precision mounting for Stereo recording applications. Ships complete and secure in a contoured foam lined Deluxe OCDC Dual Case.
OC818 Dual Set Plus contains: 2x OC18 microphone, 2x OCS Microphone Shock Mount, 2x OCW8 Foam Windshield, 2x OCH8 Mic Clip, 1xSB1 Stereo Bar, Protective Carry Case.
- Directional characteristics: Cardioid
- Frequency range: 20 Hz - 20 kHz
- Sensitivity (all directions): 13mV/Pa
- Equivalent noise level: 9 dB SPL (A)
- Max SPL: 148 dB SPL (158 dB SPL)
- Switchable pad: -10 dB, -20 dB
- Low Cut filter: 40 Hz (2nd order), 80 Hz (2nd order), 160 Hz (1st order down to 80Hz, 2nd order below)
- Impedance: 275 Ω (symmetrical)
- Load impedance: > 1 kΩ
- Supply voltage: 48 V (< 4mA, typical 2.1mA) Main
- Connector: XLR 3 pin
- Dimensions: 157 x 63 x 35 mm
- Weight: 335 g