Audio-Technica BP4073 Line and Gradient Condenser Microphone

Model #BP4073

Audio technica bp4073 1
Audio technica bp4073 1
Audio technica bp4073 2
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Packaging Info

Box Dimensions (LxWxH) 19.5 x 4.6 x 2.4"
Package Weight 1.65 lb

General Information

Frequency Range 20 Hz to 20 kHz
Signal to Noise Ratio 81 dB
Equivalent Noise Level 13 dB
Maximum SPL 141 dB SPL 1%151 dB SPL 1% with 10 dB Pad Engaged
Impedance 50 ohms
Sensitivity -29 dB, re: 1 V/Pa
Power Requirements 48 V+/- 4.8 V
Operating Principle Line Gradient
Pad Yes, 10 dB
Output Connectors 3-Pin XLR
Operating Current Consumption 4.8mA
Dynamic Range 128 dB
Low-Cut Filter Yes, 12 @ 80 Hz
Transducer Condenser


Weight 3.49 oz (99 g)
Diameter 0.83" (21 mm)
Length 9.17" (233 mm)
User Reviews
B h photo.34921152
11 July 2018

The shock mount part of the device works great. The issue is that the screw that holds the body of the shock mount to the boom pole (or camera) mount has stripped out on all three mounts I purchased.

B h photo.34921152
29 December 2018

Never got to use it as it snapped off my camera the moment I put it on. Very low quality product design. They must strengthen the flange on the bottom that connects to camera interface.

B h photo.34921152
7 September 2018

Defect on the bottom plate screws keep coming loose I tried putting Loctite on it. Now I'm missing it and can't connect it to my camera.I am really hoping that the fixedness besides that it works very well.

B h photo.34921152
23 August 2018

I bought this as part of a kit with a Senn MKE-600 shotgun for use in a small studio. I mount it on a boom and don't need to move it. The rubber bands grip so tightly that it's a challenge to slide the thing in or out. Two fingers on each side, wiggle and push.

B h photo.34921152
15 August 2018

... for a student film lab I run. They work except for a tiny screw that holds it to the shoe mount, which is always coming loose and is too flimsy. Over time several of them have broken which renders the whole thing useless.

B h photo.34921152
4 July 2018

Just put my audix scx1 microphone in this on a big boom pole. It holds it great.

B h photo.34921152
6 May 2018

If you are an occasional, low-impact user, it's great. If you shoot a lot, they are NOT good. I bought 6 of them for my school classes and the screws holding them together strip out all the time. I've had to fix them at least 10 times in the last 8 months.

B h photo.34921152
16 April 2018

Works really well with my Sennheiser ME 64.

B h photo.34921152
8 April 2018

Really cheap quality. I had it stood up against a blue bin while loading it into my vehicle. It tipped over, and fell about 3 feet. Then the threaded part that connected it to my boom pole shattered. Right before a shoot.Cheap quality. Cheap reliability. Avoid this.

B h photo.34921152
8 April 2018

muy resistente y comodo

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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