1/4″ preamplifier to 1/2″ microphone adaptor with guard ring.
This adaptor has a true 1/2″ preamplifier configuration. This ensures that you can connect a 1/2″ microphone to a 1/4″ preamplifier with negliable loss in sensitivity. The unique construction of the adaptor extend the guard ring from the 1/4″ preamplifier to a true 1/2″ preamplifier with guard ring.
It is mainly used in application that requires a high degree of accuration, such as calibration laboratories and intensity probes etc.