Shure
Shure Beta 27 Side-Address Condenser Microphone
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The Beta 27 side-address condenser microphone is precision engineered for professional sound reinforcement and project studio recording applications. Its flat frequency response and low self-noise provide unerring performance in demanding environments. A tight supercardioid pattern ensures high gain-before-feedback and maximum isolation from other sound sources.
Condenser (externally biased)
20 to 20,000 Hz
Supercardioid
160 Ohms
-37 dBV/Pa
1 Pascal=94 dB SPL
1000 Ohm load: 134 dB (148 dB, Pad on)
2500 Ohm load: 140 dB (154 dB, Pad on)
85.5 dB
S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted
1000 Ohm load: 125.5 dB
2500 Ohm load: 131.5 dB
> 50 dB
1000 Ohm load: 2.0 dBV
2500 Ohm load: 8.5 dBV
THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL
8.5 dB
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Net: 428 g (15.1 oz.)
Attenuator: -15 dB
Low Frequency Response: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz
Three-pin professional audio (XLR), male
48 Vdc phantom, 5.6 mA
- Flat Frequency response and low self noise for natural reproduction
- Supercardioid polar pattern for high gain-before-feedback
- Tailored for superior transient response
- 3 position switchable low-frequency filter
- -15dB switchable attenuator
- Internal pop filter with three separate mesh layers