Bruel And Kjaer B&k Type 4165 Condenser Microphone 1/2”

Bruel And Kjaer B&k Type 4165 Condenser Microphone 1/2”

Description

Specifications and Ordering Information Type 4165
The data below are valid at 23°C, 101.3 kPa and 50% RH unless otherwise specified
TYPICAL USES:
General sound measurements, and for standardized noise measurements in accordance with IEC and ISO standards. The Type 4165 has a similar sensitivity to a 1” microphone, is more omnidirectional and may therefore be used as a substitute 1” microphone where disturbance to the sound field is to be minimised. Back venting allows the use of dehumidifier UA 0308

  • NOMINAL DIAMETER: 1/2”
  • FREQUENCY RESPONSE CHARACTERISTICS: Free-field, 0° incidence
  • OPEN CIRCUIT FREQUENCY RESPONSE*: 2.6 Hz to 20 kHz: ±2 dB
  • OPEN CIRCUIT SENSITIVITY (250 Hz)*: –26 ±1.5 dB re.1 V/Pa, 50 mV/Pa
  • LOWER LIMITING FREQUENCY (-3 dB): 1 Hz to 2Hz
  • CARTRIDGE THERMAL NOISE: 14.5 dB(A)
  • 3% DISTORTION LIMIT (UPPER): >146 dB re.20 µPa at 100 Hz
  • DIAPHRAGM RESONANCE FREQUENCY: 14 kHz (90° phase-shift)
  • POLARIZATION VOLTAGE: External: 200 V
  • POLARIZED CARTRIDGE CAPACITANCE*: 19 pF at 250 Hz
  • MEAN TEMPERATURE COEFFICIENT: –0.0007 dB/°C (-10°C < t < +50°C)
  • EQUIVALENT AIR VOLUME: 40mm3 (250 Hz)
  • EXPECTED LONG-TERM STABILITY: >600years/dB at 20°C
  • INFLUENCE OF STATIC PRESSURE: –0.01 dB/kPa, typical
  • INFLUENCE OF VIBRATION: 60 dB re. 20 µPa and 1 ms-2 axial vibration
  • INFLUENCE OF MAGNETIC FIELD: 30 dB re. 20 µPa in 50 Hz, 80 A/m field
* Individually calibrated
INFLUENCE OF HUMIDITY: 0.004 dB / %RH

DIMENSIONS:

  • Diameter: 13.2mm (0.51 in) (with grid)
  • 12.7mm (0.49 in) (without grid)
  • Height: 16.3mm (0.63 in) (with grid)
  • 15.2 mm (0.59 in) (without grid)
  • Thread for preamplifier mounting: 11.7 mm – 60 UNS

* Pictures are not manufacturer or stock photography. The pictures are of the actual product you will be receiving.



Please visit my store to find other great bargains! Click Here

Please feel free to contact me if you have any questions before bidding...I'm a trusted eBay seller with 100% positive feedback, so bid with confidence..

CONDITION: Open Box Item - Product may have been opened at the store as a demo or by a customer to verify details or contents. Packaging will show wear and tear, missing flaps or stickers, contain creases and dents, and packaging may have even been repaired, but the actual item should be in new or like new condition. Please refer to the pictures for details about this item before purchasing. Please ask any questions you may have prior to the purchase.  

SHIPPING: Shipping options are posted above in this listing. Please verify your shipping address listed before purchasing. I do not add any additional fees to shipping costs and do not charge any packaging or handling fees. Shipments are processed within “1” working day upon receipt of your payment.

INTERNATIONAL SHIPPING: I only ship international through eBay's Global Shipping Program and do not ship directly to international buyers. Buyers need to verify additional expenses, customs clearance, and time estimates for international shipments prior to bidding/purchasing items. If you have any questions with International shipping, please contact eBay.

RETURNS (100% REFUND): I only accept “100% Refund Returns” for items that have been "substantially misrepresented" in the description of the listing, i.e.: If you've received the wrong item. For all returns you must contact us in advance and provide a legible photo of the item you received. In the event of a return/replacement I will cover all of the related shipping costs and refund to you 100% of the purchase price you paid including shipping. Returned items must have all of the original packaging and tags still attached in original condition to receive a 100% refund.

RETURNS (30 DAY “HASSLE FREE”): I accept returns for items sold under the following conditions: 1). Return must be initiated within 30 total days from receipt of item/s. 2). Item/s must be returned in the “Original Packaging” and be in “Original Condition, Unused with all Tags still attached”. 3). Buyer will be charged a “Restocking Fee” of 15% of the purchase price and also to pay the Return Shipping Expense on all returns “Except for Damaged or Not as Described Items - *See 100% Refund Above. 4). All Returns “MUST BE” submitted through eBay’s Hassle Free Return System or we reserve the right to Charge Buyer a $25.00 Return Administration Fee (Deducted From Refund Amount at time of Refund) for additional processing.

*** International Returns: All the same return policies above apply to international buyers with the exception of shipping. All shipping and fees will the the responsibility of the buyer for all international purchases, no exceptions.

© 2015 The Bargain Crate