Review:
Bidirectional Microphones (figure 8)
overall review score: 4.2
⭐⭐⭐⭐⭐
score is between 0 and 5
Bidirectional microphones with a figure-8 polar pattern are designed to pick up sound primarily from two opposite directions, typically front and back, while rejecting sounds from the sides. They are commonly used in studio recording, stereo miking techniques (such as Blumlein Pair), interviews, and certain broadcasting applications where capturing two sources or maintaining spatial positioning is essential.
Key Features
- Figure-8 polar pattern allowing sensitivity to sound from front and rear only
- Excellent for stereo recording techniques like Blumlein and coincident pairs
- Good rejection of ambient noise from the sides
- Typically employs ribbon or condenser capsule technology
- Suitable for capturing both live performances and studio recordings involving multiple sources
- Allows precise control over microphone positioning to enhance spatial effects
Pros
- Exceptional for stereo imaging and spatial recording
- High rejection of side noises helps reduce environmental interference
- Versatile in various recording setups and techniques
- Provides natural and balanced sound capture when used correctly
Cons
- Requires careful placement and technique to avoid phase issues
- More fragile than other patterns, especially ribbon types
- Not suitable for distant or general-purpose recording due to its bidirectional nature
- Can be vulnerable to popping or plosive sounds if not properly equipped with pop filters