recordinghacks

Audio-Technica AT815ST

Multi-Pattern Condenser Stereo Microphone

The AT815ST is a dual-capsule shotgun mic measuring nearly 15'' in length.

One capsule has a line-cardioid polar pattern. The second has a figure-of-8 pattern. Matrixing circuitry in the microphone combines these signals to produce three stereo patterns:

• L/R, narrow
• L/R, wide
• Mid-Side

Both condenser capsules are back-electret designs.

A switch on the microphone body enables a high-pass filter (-12dB/octave @ 80Hz).

The connector on the microphone is a 5-pin XLR; the mic ships with a 24'' (0.61 m) cable (5-pin XLRF to two standard 3-pin XLRM connectors).

The AT815ST was replaced in Audio-Technica’s product line by the BP4027.

The Audio-Technica AT815ST is also known as: AT815.

Specifications

Frequency Response - X/Y StereoClick Graph to Compare!

Pickup Patterns	Pads & Filters
Bidirectional (19.9 mV/Pa; 30 - 20,000 Hz) Shotgun (31.6 mV/Pa; 30 - 20,000 Hz) X/Y Stereo (19.9 mV/Pa; 30 - 20,000 Hz) Mid-Side Stereo (15.8 mV/Pa; 30 - 20,000 Hz)	Filter: HPF: -12dB/octave @ 80 Hz (Via Switch)

Capsule Dimensions	Impedance	SPL/Noise
Diameter n/a	200 Ohms (Low)	Max SPL: 127 dB

Weight	Length	Max Diameter	Interface(s)
142g (5.01oz)	380mm (14.96'')	21mm (0.83'')	5-pin XLR male (1)

Power Specifications
Requires phantom power Phantom voltage: 11-52v

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