Bruel & Kjaer (B&K) Type 2669 ½-INCH MICROPHONE PREAMPLIFIER, Tested For Sale

Bruel & Kjaer (B&K) Type 2669 ½-INCH MICROPHONE PREAMPLIFIER, Tested


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Bruel & Kjaer (B&K) Type 2669 ½-INCH MICROPHONE PREAMPLIFIER, Tested:
$375.00

This ½" microphone preamplifier operates over a wide range of temperature, humidity and other environmental conditions.
USE SCENARIOS
  • Sound measurements with Brüel & Kjær 1/2" (1", 1/4" and 1/8" with adaptor) and compatible microphones
  • General-purpose preamplifier and high-impedance input probe for Brüel & Kjær measuring preamplifier and its connectors all fulfillelectromagnetic compatibility (EMC) requirements
  • Compact LEMO connector at preamplifier. Connector: lemo 0B 7 pin
  • Patented charge-injection calibration technique for on-site calibration of the whole measuring channel including the microphone
  • Wide dynamic range
  • Very low inherent noise, high input impedance
  • Low output impedance and high output current allows use with long extension cables
  • Wide working temperature range

The 2669 has a very high input impedance presenting virtually no load to the microphone. The high output voltage together with an extremely low inherent noise level gives a wide dynamic range. The 2669's low output impedance allows the use of long extension cables without problems.
You can connect ½" microphones directly and 1", ¼" and 1/8" types using adaptors. You can verify the condition of the microphone, preamplifier and cable on-site using its patented charge injection calibration technique.
For more information please see Bruel & Kjaer website.
Please note: Item and Item box holder is used and may show signs of use, tested and verified. Serial number may differ from pictured item. Item may not come with originalbox holder due to being unavailable.
If you have any issues please let me know right away and I will make it right. Thank you for your business.


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