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Type 2669
- ModelType 2669
- MakerB&K
- DescriptionMicrophone Preamplifier
- Rental문의요망
- Stock문의요망
This is a Bruel & Kjaer 2669 Microphone Preamplifier. This B&K’s standard Type 1 microphone pre-amplifier and can be used with any of their measurement microphones which require requires 200V polarisation like the 4190 and 4191 as well as older microphones such as 4165. It can also be used wirth 1″, ” and ” microphones with the appropriate adapter.
* FREQUENCY RESPONSE (re 1 kHz): 3Hz to 200kHz, 0.5 dB.
* ATTENUATION: 0.35 dB (max.)
* PHASE MATCHING: 0.3 at 50Hz
* INPUT IMPEDANCE: 15GW || 0.45 pF
* OUTPUT IMPEDANCE: 25 W (max.)
* CONNECTOR TYPE: LEMO type FGJ.OB.307 at preamp. (2669 L & B), LEMO type FGG.1B.307 (2669 L), or Br el &
* Kj r JP0715 (2669 B) to measuring device, LEMO type FWG.1B.307 at preamp. (2669 C)
* MAX. OUTPUT VOLTAGE: Maximum output voltage Vp-p is equal to total supply voltage minus 10 V
* DISTORTION (THD): Less than 80 dB at 25 V out, 1 kHz
8.2 mV Lin. 20Hz 300 kHz, 10.0 mV Lin. 20Hz 300 kHz (max.), 1.9 mV A weighted, 2.2 mV A weighted (max.)
* POWER SUPPLY, DUAL: 14 V to 60 V
* POWER SUPPLY, SINGLE: 28 V to 120 V
1 V for a dual supply, or 1/2 the voltage of a single supply
