audio-technica MS Stereo Shotgun Microphone User Guide

audio-technica MS Stereo Shotgun Microphone

Thank you for purchasing this product. Before using the product, read through the user manual to ensure that you will use the product correctly. Please keep this manual for future reference.

Features

• Equipped with independent line-cardioid and figure-of-eight elements developed in-house to provide high sensitivity. Featuring three modes—MS direct, LR wide and LR narrow—this microphone can be used for a variety of surround recording applications, such as recording in environments with high levels of ambient noise, as a stereo base for recording indoor/ outdoor sporting events, or for capturing ambient sounds.
• The innovatively designed sound tube and transformer less circuitry ensure stable phase sensitivity and a wide dynamic range.
• Lightweight and sturdy aluminum housing assembly is perfect for use in harsh operating environments, such as can be encountered with boom operation.
• 80 Hz low-frequency roll-off switch effectively reduces wind noise.
• Includes a windscreen to filter out wind noise.

Safety precaution

Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product.

Cautions for the product

• Do not subject the product to strong impact to avoid malfunction.
• Do not disassemble, modify or attempt to repair the product.
• Do not handle the product with wet hands to avoid electric shock or injury.
• Do not store the product under direct sunlight, near heating devices or in a hot, humid or dusty place.
• Do not swing the microphone by holding the cable or pull on the cable forcefully.
• Do not wind the cable around racks or furniture and prevent it from catching onto other objects.

Connection procedure

1. To ensure L and R stereo settings are performed properly, set up the microphone with the “UP” marking on top and the switch on bottom.
2. Connect the output terminals of the microphone to the 5-pin side of the included cable, and connect the split side of the cable (3 pins each) to a device that has a microphone input (balanced input) compatible with a phantom power supply.
   • The output connector is an XLR-M type with polarity as shown in the figures below.
3. When attaching to devices such as video cameras, install the included O-rings to the microphone to ensure a tight fit between the microphone holder and microphone.
   • Install both O-rings to the location where the microphone attaches to the holder.

Mode Setting

MS MS direct mode
LR-W Stereo mode (LR wide pattern)
LR-N Stereo mode (LR narrow pattern)

Switch settings

To reduce the pickup of low-frequency ambient noise (such as traffic, air- handling systems, etc.), room reverberation and mechanically coupled vibrations, turn ON ( ) the low-cut filter switch located on the side of the product.

Specifications

Element                         Fixed-charge back plate, permanently polarized condenser
Polar pattern                  Line + gradient, Figure-of-eight

Frequency response:
BP4027: 30-20,000 Hz
BP4029: 40-20,000 Hz

Low cut                         80 Hz, 12 dB/octave

Open circuit sensitivity:
Mid: –30 dB (31.6 mV)
Side: –34 dB (19.9 mV)
LR Stereo: –36 dB (15.8 mV)
(0 dB=1 V/Pa, 1 kHz)

Impedance                     200 ohms

Maximum input sound level Mid:
123 dB SPL
Side: 127 dB SPL
LR Stereo: 126 dB SPL
(1 kHz at 1% THD)

Dynamic range Mid:
101 dB
Side: 101 dB
LR Stereo: 102 dB
(1 kHz at Max SPL)

Dimensions:
BP4027: 380.0 mm (14.96”) long, 21.0 mm (0.83”) diameter
BP4029: 236.0 mm (9.29”) long, 21.0 mm (0.83”) diameter

Output connector               Integral 5-pin XLR-M type
Cable:
0.61 m (24”) long, 5-pin XLR-F type connector at microphone end and two 3-pin XLR-M type connectors at output end

Audio-Technica case style:
BP4027: SG3
BP4029: SG2

Included accessories:
AT8405a stand clamp for 5/8”-27 threaded stands, 5/8”-27 to 3/8”-16 threaded adapter, Windscreen (BP4027: AT8135, BP4029: AT8134), 0.61m (24”) cable, O-ring×2, Protective carrying case

For product improvement, the product is subject to modification without notice.

Included accessories

Documents / Resources

| audio-technica MS Stereo Shotgun Microphone [pdf] User Guide
BP4029, BP4027, MS Stereo Shotgun Microphone
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