2669-L -
½-inch microphone preamplifier, tapered, incl. cable, 7-pin LEMO connector
This ½" Falcon Range microphone preamplifier operates over a wide range of temperature, humidity and other environmental conditions. Connector: lemo 0B 7 pin & lemo oB to lemo 1B
Uses
- 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 instruments
Features
- Full electromagnetic compatibility (EMC)
- Detachable, thin cable for easy installation
- Compact LEMO connector at preamplifier
- 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
- Falcon™ Range product with a three-year guarantee
The preamplifier 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.½" Microphone Preamplifier Type 2669 is a Falcon Range product for making precision acoustic measurements with Brüel & Kjær’s wide range of condenser microphones. You can connect ½" microphones directly and 1", ¼" and 1/8" types using adaptors.
The preamplifier, cable and its connectors all fulfil EMC requirements.
You can verify the condition of the microphone, preamplifier and cable on-site using its patented charge injection calibration technique.
The preamplifier’s low output impedance allows the use of long extension cables without problems.
