Bruel and Kjaer 2706

Bruel and Kjaer 2706

Power Amplifier

The Bruel + Kjaer 2706 is one of our used Power Amplifiers.
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Refurbished

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Product Overview and Specifications:

The Power Amplifier Type 2706 has been designed to drive small vibration exciters, particularly the Brüel&Kjær Vibration Exciter Type 4809. It can also be used to drive the Mini-Shaker Type 4810 to full rating. For this application, the maximum output current should be limited to 1.8A. The power amplifier has a flat frequency response from 10Hz to 20 kHz (± 0.5dB). The power output capability is 75VA into a 3W exciter or resistive load and the maximum voltage gain is 40 dB. This enables the power amplifier to be used in acoustical measurement set-ups, even when third-octave narrow band noise is employed. The use of a transformerless power output stage and high negative feedback results in very low harmonic distortion. A balanced preamplifier and rugged solid-state design results in a stable instrument which can tolerate temperature fluctuations and supply line variations.