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PRODUCT DETAILS
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.
SPECIFICATIONS
Type: Condenser (externally biased)
Frequency Response: 20 to 20,000 Hz
Polar Pattern: Supercardioid
Output Impedance: 160 Ω
Sensitivity (at 1 kHz, open circuit voltage, typical): -37 dBV/Pa (14.1 mV)
Maximum SPL (1 kHz at 1% THD):
PAD ON:
1000 Ω load – 148 dB SPL
2500 Ω load – 154 dB SPL
PAD OFF:
1000 Ω load – 134 dB SPL
2500 Ω load – 140 dB SPL
Signal-To-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 86 dB
Dynamic Range (at 1 kHz):
1000 Ω load – 126 dB
2500 Ω load – 132 dB
Common Mode Rejection (10 Hz to 10 kHz): >50 dB
Clipping Level (20 Hz to 20 kHz, at 1% THD):
1000 Ω load – 2.0 dBV
2500 Ω load – 8.5 dBV
Switch:
Attenuator Switch: 0, -15 dB
Low-Frequency Filter Switch: Flat, –6 dB/octave below 115 Hz, or –18 dB/octave below 80 Hz
Self Noise (typical, equivalent SPL, A-weighted): 8.5 dB SPL-A
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Weight Net: 428 g 15 oz.)
Connector: Three-pin professional audio (XLR), male, balanced
Power Requirements: 11 to 52 V DC[4]phantom power, 6 mA
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