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AT4050ST Specification Sheet
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AT4050ST Submittal Sheet
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AT4050ST Stereo Condenser Microphone

Offering the realism of a live sound field, the AT4050ST is a side-address condenser with cardioid and figure-of-eight elements configured in a Mid-Side arrangement. This innovative stereo condenser allows sound recordists the choice of selecting a left-right stereo output or choosing discrete Mid-Side signals for later manipulation, a remarkable flexibility. The microphone’s dual-diaphragm capsules maintain precise polar pattern definition across the full frequency range. Its transformerless circuitry virtually eliminates low-frequency distortion.

  • Innovative side-address Mid-Side stereo microphone engineered for professional recording, broadcast and sound reinforcement

  • Independent cardioid and figure-of-eight condenser elements

  • Switch selection of Mid-Side mode and two internally matrixed stereo modes

  • Dual-diaphragm capsules maintain precise polar pattern definition across the full frequency range of the microphone

  • Transformerless circuitry virtually eliminates low-frequency distortion and provides superior correlation of high-speed transients

  • The 2-micron-thick, vapor-deposited gold diaphragms undergo a five-step aging process so that the optimum characteristics remain constant over years of use

  • Open acoustical environment of the symmetrical housing assembly minimizes unwanted internal reflections

  • Integral 80 Hz high-pass filter switch and 10 dB pad switch

  • State-of-the-art design and manufacturing techniques ensure compliance with A-T’s stringent consistency and reliability standards

  • Custom shock mount provides superior isolation

  • Certified by the METAlliance (Music Engineering and Technology Alliance)


SPECIFICATIONS
ELEMENT Externally-polarized (DC bias) condenser
POLAR PATTERN Cardioid and Figure-of-eight
FREQUENCY RESPONSE 20-18,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY Stereo 90°: -42 dB (7.9 mV) dB re 1V at 1 Pa
Stereo 127°: -41 dB (8.9 mV) dB re 1V at 1 Pa
Mid: -36 dB (15.8 mV) dB re 1V at 1 Pa
Side: -36 dB (15.8 mV) dB re 1V at 1 Pa
IMPEDANCE 50 ohms
MAXIMUM INPUT SOUND LEVEL Mid and Side: 149 dB SPL, 1 kHz at 1% T.H.D.;
159 dB SPL, with 10 dB pad (nominal)
NOISE Stereo 90°: 25 dB SPL
Stereo 127°: 16 dB SPL
Mid: 15 dB SPL
Side: 17 dB SPL
DYNAMIC RANGE (typical) Mid: 134 dB, 1 kHz at Max SPL
Side: 132 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO Stereo 90°: 69 dB, 1 kHz at 1 Pa
Stereo 127°: 78 dB, 1 kHz at 1 Pa
Mid: 79 dB, 1 kHz at 1 Pa
Side: 77 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 48V DC, 6.4 mA typical (both channels total)
SWITCHES 90°, 127°, M-S;
Flat, roll-off;
10 dB pad (nominal)
WEIGHT 517 g (18.2 oz)
DIMENSIONS 193.0 mm (7.60") long,
53.4 mm (2.10") maximum body diameter
OUTPUT CONNECTOR Integral 5-pin XLRM-type
CABLE 5.0 m (16.5') long, 8-conductor, shielded, vinyl-jacketed stereo cable with 5-pin XLRF-type connector at microphone end and two 3-pin XLRM-type connectors at output end
ACCESSORIES FURNISHED AT8449 shock mount for 5/8"-27 threaded stands; microphone dust cover; protective carrying case
AUDIO-TECHNICA CASE STYLE R1


SPECIFICATION GRAPHS
Click on the chart to view the larger image
POLAR PATTERN
POLAR PATTERN
STEREO 90°
POLAR PATTERN
POLAR PATTERN
STEREO 127°
POLAR PATTERN
POLAR PATTERN
MID
POLAR PATTERN
POLAR PATTERN
SIDE
FREQUENCY RESPONSE
FREQUENCY RESPONSE



Conditions
AT4050ST Stereo Condenser Microphone
Overall rating 
5 / 5
5 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
Reliability 
5 / 5
5 / 5
Audio Quality 
5 / 5
5 / 5
Durability 
5 / 5
5 / 5
Ease of Use 
5 / 5
5 / 5
1
1 Offering the realism of a live sound field, the AT4050ST is a side-address condenser with cardioid and figure-of-eight elements configured in a Mid-Side arrangement. This innovative stereo condenser allows sound recordists the choice of selecting a left-right stereo output or choosing discrete Mid-Side signals for later manipulation, a remarkable flexibility. The microphone's dual-diaphragm capsules maintain precise polar pattern definition across the full frequency range. Its transformerless circuitry virtually eliminates low-frequency distortion.
Overall rating 
5 / 5
5 / 5
Open Ratings Snapshot
Rating breakdown 1 review
5 Stars
1
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
Reliability 
5 / 5
5 / 5
Audio Quality 
5 / 5
5 / 5
Durability 
5 / 5
5 / 5
Ease of Use 
5 / 5
5 / 5
Product Reviews
Overall rating 
5 / 5
5 / 5
AT4050ST is my 'GO TO' Mic!
PostedNovember 14, 2011
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Chaimrn
 
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from NM, USA
Environment:Studio
Expertise:Expert
How Long:Up to a year
Reliability 
5 / 5
5 / 5
Audio Quality 
5 / 5
5 / 5
Durability 
5 / 5
5 / 5
Ease of Use 
5 / 5
5 / 5
I purchased an AT4050ST because I needed a stereo mic that would be able to give me quality sound in my tracks, but also lots of choices as to what I can do with it. I record vocals and guitar mostly, and it's just sooooo much easier to have a stereo mic that already has stereo modes built into it! I love the fact that you don't need to buy 2 mics that may or may not be figured correctly when you use them in a M/S setting or other. This mic also works excellent as an overhead mic for drums and chorus. There are a few stereo mics out there, but not with the quality like this, AND with Mid-Side and two different degree switches! This is the mic of the future guys! My tracks sound so much more professional! Thank you Audio Technica! You have surpassed all the others! This is my 'Go To' mic for all stereo apps!! Will be hard for anyone to pry this out of my hands!
Pros Ambience, Studio
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4050 _ 4050 st - 4080

I've owned an original 4050 for over 10 years and I love it.

I'm thinking of replacing a German-made condensor I have, with either the 4050ST or the new 4080 Ribbon.

Which would work best alongside my 4050 ?

thanks
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Answer: 
The AT4050ST would be overkill next to the 4050 since the 4050ST already has 2 mics in it. If you add another mono mic like the 4050, you can create stereo audio with them both and save money, since the 4050ST is over $1000 US.
Anyway, just my opinion.
Age: 45-54
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Answer: 
Thank you for your inquiry. It would depend upon you your use. I would use the AT4050ST for recording choirs, ensembles, drum overheads and such. Anywhere you would like a nice stereo image. I would look at the AT4080 for anywhere you want a very good mono recording, such as vocals, acoustic guitar, guitar cabinet and so on.
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AT4050ST : Stereo Condenser Microphone
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AT4050ST : Stereo Condenser Microphone

AT4050ST Stereo Condenser Microphone
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AT4050ST Stereo Condenser Microphone

AT4050ST Internal View
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AT4050ST Internal View

METAlliance Certified
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METAlliance Certified

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