Audio Technica AT813 Hand held cardioid microphone
Audio Technica AT813, AA battery or phantom powered condenser, fair condition, working. Ideal for close-up vocals, overheads, piano and strings. Sound is similar to far more expensive studio microphones. Low mass diaphragm ensures minimum distortion. Cardioid pattern provides added warmth when used close up.
ELEMENT: Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN: Cardioid
FREQUENCY RESPONSE: 30-20,000 Hz
OPEN CIRCUIT SENSITIVITY: Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
Battery: -45 dB (5.6 mV) re 1V at 1 Pa
IMPEDANCE: Phantom: 200 ohms
Battery: 270 ohms
MAXIMUM INPUT SOUND LEVEL: Phantom: 137 dB SPL, 1 kHz at 1% T.H.D.
Battery: 123 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical): Phantom: 113 dB, 1 kHz at Max SPL
Battery: 99 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO: 70 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS: 9-52V DC, 2 mA typical
BATTERY TYPE: 1.5V AA/UM3
BATTERY CURRENT / LIFE: 0.4 mA / 1200 hours typical
OUTPUT CONNECTOR: Integral 3-pin XLRM-type