Description: Bruel & Kjaer Condenser Microphone Cartridge Type 4131 W Paperwork In Orig. Box Always kept in its original box with paperwork. It’s so old I don’t want to list it as new but I don’t think it was ever put into service. Fully functional Summarized Specifications Outside Diameter: 0.936 inch (23.77 mm). Grid Thread (coupler mounting): 0.910 inch (23.11 mm) - 60-NS 2. Resonant Frequency: approx. 7.5 kc/s. Equivalent Air Volume at 1 atm: approx. 0.2 cm®. Temperature coefficient between -50 and +60°C: Less than +0.01 db/°C. Ambient pressure coefficient: approx. -0.2 db for +10% pressure change. Relative Humidity influence: Less than o.1 db, in the absence of condensation. Dynamic Range: 4% distortion upper limit: 146 db re. 0.0002 Mbar safety limit: 165 db re. 0.0002 Mbar I will ship it out the very same day you order via USPS Mail to make sure you get it FAST If you have any issues with this item at all please just me a message immediately, before leaving feedback, and I promise to solve it whether that means a full refund or a replacement. Whatever the case, I’m here to make sure your experience ordering from me goes well.
Price: 169.99 USD
Location: Tomball, Texas
End Time: 2024-12-28T15:36:44.000Z
Shipping Cost: 8 USD
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Item Specifics
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Brand: Bruel & Kjaer
Type: Vintage Microphone
Model: 4131
