• Type 51AB

    The Intensity Coupler Type 51AB is a coupler for calibrating the phase response of microphone pairs used for measuring sound intensity, e.g. the Type 40AI and Type 40BI.

  • Type 40BI

    The Sound-intensity Pair Type 40BI is a complete set of two phase-matched ¼" intensity microphones, solid spacers and adapters for ¼" PreamplifiersType 26AA.

  • Type 40AI/40AK

    ½" Sound-intensity Pair Type 40AK The Type 40AK is a complete set of two phase-matched ½" intensity microphones, solid spacers and adapters for a pair of ¼" Preamplifiers Type 26AA. The microphones have a free field response o…

  • Type 40GI/40GK

    Prepolarized Sound-intensity Pair Type 40GK The Type 40GK is a complete set of two phase-matched ½" intensity microphones, solid spacers and adapters for a pair of ¼" Preamplifiers Type 26CB. The microphones have a free field …