Audio-Technica BP4073 Line and Gradient Condenser Microphone

Audio-Technica BP4073 Line and Gradient Condenser Microphone

Audio-Technica BP4073 Line and Gradient Condenser Microphone

B&H # AUBP4073 MFR # BP4073
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Product Highlights

  • Broadcast, Film and Theater Sound
  • Line + Gradient Pickup
  • Weighs Just 3.5 oz
  • RoHS Compliant
  • 80 Hz Hi-Pass Filter
  • 10 dB Pad Switch
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Audio-Technica BP4073 overview

  • 1Description

The BP4073 Line and Gradient Condenser Microphone from Audio-Technica is a lightweight directional shotgun microphone. It can be used to capture audio in various environments for speech and audio applications such as feature film, broadcast TV, or sound for video productions.

The microphone measures 9.17" in length, and weighs 3.5 oz making it ideal for long-term use on a boompole or handheld mount. Featuring a frequency response of 20 Hz to 20 kHz, a line + gradient pickup pattern, and low noise, the BP4073 shotgun microphone delivers transparent audio reproduction. Also, an 80 Hz hi-pass filter switch minimizes low-frequency noise and ambiance, while a 10 dB pad switch provides added headroom when capturing transient (peak) audio signals.

The BP4073 is RoHS compliant, which means it is free from all substances in the EU directive on the reduction of hazardous substances. The microphone is built tuff in a rugged housing made of a lightweight structural-grade aluminum alloy. In addition, it includes an AT8405a stand clamp for a 5/8"-27 threaded microphone stand, a 5/8"-27 to 3/8"-16 threaded adapter, an AT8144 foam windscreen, two rubber O-Rings, and a protective carrying case.

Designed for use in broadcasting, film/TV production, and theater sound reinforcement applications
Direct-coupled, balanced output ensures a clean signal, even in high-output conditions
Innovative acoustic design provides same directivity as mics up to 50% longer
Switchable 80 Hz hi-pass filter & 10 dB pad
Rugged housing made of lightweight structural-grade aluminum alloy
RoHS-compliant - free from all substances specified in the EU directive on the reduction of hazardous substances (RoHS)
In the Box
Audio-Technica BP4073 Line and Gradient Condenser Microphone
  • AT8405a stand clamp for 5/8"-27 Threaded Stands
  • 5/8"-27 to 3/8"-16 Threaded Adapter
  • AT8144 Windscreen
  • 2 x O-Rings
  • Protective Carrying Case
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Audio-Technica BP4073 specs

    Analog Performance
    Operating Principle Line Gradient
    Transducer Condenser
    Frequency Range 20 Hz to 20 kHz
    Signal to Noise Ratio 81 dB 
    Equivalent Noise Level 13 dB 
    Maximum SPL 141 dB SPL
    Pad -10 dB
    THD 1%
    Impedance 50 Ohms
    Sensitivity -29 dB
    Low-Cut Filter 18@ 80 Hz
    Dynamic Range 128 dB
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    Output Connectors 1 x 3-Pin XLR
    Operating Current Consumption 4.8 mA
    Operating Voltage 48 V ± 4.8 V
    Length 9.17" / 233 mm
    Diameter 0.83" / 21 mm
    Weight 3.49 oz / 99 g
    Packaging Infocyvxftwyeatswfuscrawtwwarezqdx
    Package Weight 1.65 lb
    Box Dimensions (LxWxH) 19.5 x 4.6 x 2.4"

    Audio-Technica BP4073 reviews

    BP4073 Line and Gradient Condenser Microphone is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Great mic B&H recommended this mic to me maybe 17 years ago and I've never regretted it. Online reviews compare it to the more expensive Sennheiser MKH-416, which is the standard mic in the film industry. It sounds natural and does the job. I use it mostly on camera, but it is also my boom mic. The low end cut switch is a little hard to access, but essential for switching between natural sound and voice. For videographers who will be using it in loud situations it can be too sensitive, with a really hot signal, so you should buy an inline pad with multiple settings, and then you can use it in every situation including loud live music. Once I had it in the desert and was listening to a conversation 80 yards away....
    Date published: 2016-03-31
    Rated 5 out of 5 by from High sensitivity Not an audio engineer, not a musician, not a videographer how did I end up with such expensive mic? Need for the low frequency recording. Didn't imagine how difficult it is to record the noise free, or at least acceptable level low frequency semi-faint humming noises from mechanical equipment through the wall. You can hear and feel it. Lot of mikes seem deaf to it. First I tried to use the equipment which I've already had, moved on to more expensive mics, did plenty of internet research, tried geophones. My criteria were: 20Hz at low end, high sensitivity and affordability. Learned the hard way that there is no such animal out there. Almost settled for the NTG1 when browsing through sensitivity specs on B&H website I discovered this model. Almost three times the price, but I was curious to see if it can do better job with my task at hand. The difference made me do it. To spend extra money. It would be unfair to compare performance of NTG1 with much more expensive AT BP4073. Both fit my criteria and Rode did admirable job for my need, too. But 7 dB difference in sensitivity alone makes it no contest for my project. AT BP4073 has the high frequency limit at 17 kHz which is way more than a plenty for me. The last time humans can hear that frequency is at the age of 24. I'm quite a bit beyond that point. I wish audio equipment manufacturers were pushing clean lows rather than non-registrable ultrasonic highs. Familiar muddy lows are OK for cheap products. Clean low frequencies which we all can hear until late age could/ should be standard feature with all quality audio products.
    Date published: 2016-03-24
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