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Audio-Technica AT813a

Cardioid Condenser Microphone

The AT813a was an electret condenser microphone intended for multiple applications.

Audio-Technica

The AT813a is ideal for close-up interviews, vocals, overheads, piano, and strings. Its cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source. The mic’s proximity effect provides added warmth when used close up. Features include a large protective screen that reduces “popping” and sibilant distortion. It operates on battery or phantom power.

• 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
• Operates on battery or phantom power

The 813a was replaced in Audio-Technica’s product lineup with the AT8031a.

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Specifications

Frequency Response - CardioidClick Graph to Compare!

Pickup Patterns	Pads & Filters
Cardioid (6.3 mV/Pa; 30 - 20,000 Hz)

Capsule Dimensions	Impedance	SPL/Noise
Diameter n/a	200 Ohms (Low)	Max SPL: 137 dB

Weight	Length	Max Diameter	Interface(s)
200g (7.05oz)	193mm (7.60'')	50mm (1.97'')	3-pin XLR male (1)

Power Specifications
Requires phantom power Has battery compartment (1.5V AA/UM3) Phantom voltage: 9-52V DC, 2 mA typicalv

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