AUDIO MUTING SYSTEM

KIA6924S is designed for muting the popping sound made at power of ON-OFF receivers, pre-amplifiers, main amplifiers, and other electric audio equipment as well as the noise made at changeover of switches.

FEATURES
• To mute the popping noise made in the case of receiving frequency or changeover of signal source of tuners.
• Delay muting at power ON.
• Instant muting at powr OFF.
• Only a single timing capacitor and a very few external parts are provided.
• Either positive or negative pulse is applicable to the input trigger.
    The terminals consist of the high sensitive input terminal (Sensitive level of 120mV) and the low sensitive input terminal. (Sensitive level of 700mV)
• The operating power supply current is 5mA (Min.) available for portable sets.