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Bruel and Kjaer Microphone Type 4134 with 2669 Pre Amplifier & 2m Cable ~NIce!, US $695.00 – Picture 0
Bruel and Kjaer Microphone Type 4134 with 2669 Pre Amplifier & 2m Cable ~NIce!, US $695.00 – Picture 0

Bruel And Kjaer Microphone Type 4134 With 2669 Pre Amplifier & 2m Cable ~nice!

US $695.00

  • Rochester, Minnesota, United States
  • Jul 5th
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Bruel and Kjaer Microphone Type 4134 with 2669 Pre Amplifier w/ 2m Cable ~Nice! Bruel & Kjaer 2669 Pre-Amplifier: This " microphone preamplifier operates over a wide range of temperature, humidity and other environmental conditions. USE SCENARIOS Sound measurements with Brel & Kjr 1/2" (1", 1/4" and 1/8" with adaptor) and compatible microphones General-purpose preamplifier and high-impedance input probe for Brel & Kjr measuring instruments FEATURES The preamplifier and its connectors all fulfill electromagnetic 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 " microphones directly and 1", " 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. Specifications Type 4134 Condenser Microphone: TYPICAL USES: Medium- and high-level measurements in the audio range and flush mounted measurements of noise. Especially suitable where good random-incidence characteristics are required NOMINAL DIAMETER: 1/2” FREQUENCY RESPONSE CHARACTERISTICS: Random-Incidence and Pressure OPEN CIRCUIT FREQUENCY RESPONSE*: 4 Hz to 20 kHz: ±2 dB OPEN CIRCUIT SENSITIVITY (250 Hz)*: –38 ±1.5 dB re.1 V/Pa, 12.5 mV/Pa LOWER LIMITING FREQUENCY (-3 dB): 1 Hz to 3 Hz CARTRIDGE THERMAL NOISE: 18 dB(A) 3% DISTORTION LIMIT (UPPER): >160 dB re.20 µPa at 100 Hz FULLY TESTED AND GURANTEED WORKING CONDITION. 60 DAY WARRANTY! FREE US DOMESTIC SHIPPING!
“Fully Tested Matched set Pre-Amplifier and Microphone. Guaranteed!60 Day Warranty!”
Model 4190
Brand B&K
MPN 4190

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