Comica CVM-SV20 Stereo Condenser Shotgun Video Microphone
USER MANUAL
Foreword
Thank you for purchasing the Comica 100% metal professional Stereo Video Microphone CVM-SV20. It is a delicate stereo microphone fully constructed from aluminum with a super anti-interference function. Designed with double internal microphones for stereo audio pickup, it can assist your camera, camcorder, or smartphone for professional video recording to achieve broadcasting level quality.
Notice
- After turning on, the LED indicator turns red for 1 second and then goes off to save power.
- The LED indicator will turn and remain red when the battery is low.
- Please do not place the device near heat or interference sources, such as radiators, roasters, or air conditioners.
- This item is a high-accuracy tooling for audio recording; please avoid any dropping or collision during usage.
- Please keep this product in a dry environment.
- Do not expose this device to rain or moist environments.
In the Box List
- Mic Body
- Mic Windscreen
- CR2032 Coin Battery
Components
The microphone features the following components:
- Interference Tube
- LED Indicator
- Sensitivity Adjusting Switch
- Cold-shoe Mount
- 3.5mm Audio Output Cable
A textual description of the diagram shows the microphone body with labels pointing to the interference tube, LED indicator, sensitivity adjusting switch, cold-shoe mount, and the 3.5mm audio output cable.
Operation
1. Installation
Install the microphone onto your device using the cold-shoe mount. Connect the 3.5mm audio cable to your device. Choose the appropriate windscreen based on your requirements.
A textual description of the diagram shows the microphone being mounted onto a camera via the cold-shoe and the audio cable being connected.
2. Function
2.1 For Camera or Camcorder
A textual description of the diagram shows the Comica CVM-SV20 microphone mounted on a camera.
2.2 For Smartphone
A textual description of the diagram shows the Comica CVM-SV20 microphone mounted on a smartphone setup.
Specification
1. Frequency Response
The document includes graphs illustrating the frequency response of the microphone. These graphs show the microphone's sensitivity across different frequencies, typically from 100 Hz to 20 kHz. The graphs indicate the performance under various conditions, with dashed lines representing acceptable deviation ranges.
2. Technology Parameters
| Parameter | Value |
|---|---|
| Transducer Principle | Back Electronic Condenser |
| Polar Pattern | Stereo |
| Max. SPL | ≥ 120 dB |
| Frequency Range | 100-15 KHz |
| THD | ≤ 1 % |
| Output Impedance | 1200 Ω ± 30 % |
| Sensitivity | -28 dB / -38 dB / -48 dB ± 3 dB |
| Signal to Noise Ratio | ≥ 60 dB |
| Battery Duration | 36 Hours |
| Voltage | 3 V |
| Weight | 98.5 g |
| Dimension | 116(L) * 31(D) * 64.3(W) mm |
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