Product Summary

The OAT-594 is a preamplifier for two different types of microphones – standard condenser type (1/4″, 1/2″ and 1″) or 1/2″ electret condenser type.
A selector switch is provided inside the unit and it is set to the position specified by the customer at the time of shipment from factory.

Product specifications

Gain: ±6 dB
Frequency Range: 20 Hz to 100kHz
Output Impedance: 75Ω