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<blockquote data-quote="Bennett Prescott" data-source="post: 1077" data-attributes="member: 4">I recently acquired a B&amp;K4007 mic, which I would like to use for measurement. It pops loudly when the XLR is moved, which I assume means it just needs a little bit of cleaning. I am more concerned about the state of the capsule. I tried contacting DPA via their US sales office, who currently manage the 4007, but got no response.Does anyone know who I should contact to get this mic measured for frequency response, and refurbished if out of spec? Obviously a 4007 is a tremendous asset, and useless if of unknown HF response. Being that it is B&amp;K branded it is obviously rather old.It&#039;s been a rough year for measurements mics for me, I only have my $100 backup mic to compare to since some idiot (me) dropped my other &quot;very nice&quot; mic right on the capsule. When compared to my cheap mic it has a HF droop of about 2dB at 16kHz. This could easily be my cheap mic being off, or it could be my 4007 has capsule damage.</blockquote>

[QUOTE="Bennett Prescott, post: 1077, member: 4"] I recently acquired a B&K4007 mic, which I would like to use for measurement. It pops loudly when the XLR is moved, which I assume means it just needs a little bit of cleaning. I am more concerned about the state of the capsule. I tried contacting DPA via their US sales office, who currently manage the 4007, but got no response. Does anyone know who I should contact to get this mic measured for frequency response, and refurbished if out of spec? Obviously a 4007 is a tremendous asset, and useless if of unknown HF response. Being that it is B&K branded it is obviously rather old. It's been a rough year for measurements mics for me, I only have my $100 backup mic to compare to since some idiot (me) dropped my other "very nice" mic right on the capsule. When compared to my cheap mic it has a HF droop of about 2dB at 16kHz. This could easily be my cheap mic being off, or it could be my 4007 has capsule damage. [/QUOTE]

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