2669
½-inch Microphone Preamplifier for use with Type 4232
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.1/2" 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 1/2" microphones directly and 1", 1/4" 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.
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
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For a full Description and Specifications, see Product Data
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