HA12179F

• Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
• Line mute ON/OFF is available.
• Changeable to Foward, Reverse-mode for PB head with fully electronic control switching built-in.
• Available to change music sensing level by external resistor.
• Music sensing level selection is available with fully electronic control switching built-in.
• Available to change frequency response of music sensor.
• NR-ON/OFF and REC/PB fully electronic control switching built-in.
• Pin compatible of HA12163 series except for 4 and 39 Pins.
* Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

HA12179F is silicon monolithic bipolar IC providing Dolby noise reduction system*, line mute, music sensor and PB equalizer system in one chip.