https://cablematic.com/en/products/unidirectional-microphone-boya-by-vm190-JC060/
Unidirectional microphone BOYA BY-VM190
- Unidirectional condenser microphone.
- Super-car polar patterndioid
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Anti-vibration damped fixation.
- It works with a 9 VDC battery.
![play_button]()
Watch video
More info
Watch video
2 yearswarranty
14 daysreturns
- Unidirectional condenser microphone.
- Super-car polar patterndioid
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Anti-vibration damped fixation.
- It works with a 9 VDC battery.
Related products
Keywords
Did not find what you were looking for? These topic could help you
More info
Unidirectional microphone of the BOYA brand model BY-VM190. It is a directional condenser microphone for video cameras or photography cameras that allow the capture of professional videos. Gun type format with universal hot-shoe connector to attach to flash shoe of photo or video camera.
Specifications
- Unidirectional condenser microphone.
- Super-car polar patterndioid
- Made of ABS black plastic and PC, with universal fixing to flash shoe.
- Anti-vibration damped fixation.
- It works with a 9 VDC battery.
- Recording quality at the level of professional studies.
- Frequency range: 40 Hz to 20,000 Hz.
- HPF filter 80 Hz (High Pass Filter).
- Sensitivity: -40 dB.
- Output impedance: 200 Ohm or less.
- SMaximum PL: 134 dB.
- Noise level: 75 dB or more.
- Noise cut switch.
- Size: 220 x 102 x 58 mm.
- 3.5mm minijack connector and extendable curly connection cable.
- Weight: 121 g.
- LED status indicator and ON/OFF switch.
- Padded microphone protector.
- Gross Weight: 280 g
- Number of packages: 1
Technical terms
- Impedance
- Minijack 3.5
- Hz
- VDC
- Jack connector
- Capacitors
- ABS
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
