HA12173 Series Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp) ADE-204-016 1st Edition Nov.
1992 Description HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor and PB equalizer system in one chip.
Functions • PB equalizer • Dolby B/C-NR • Music sensor × 2 channel × 2 channel × 1 channel Features • Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
• 2 type of input selection (RADIO/TAPE) is available.
• Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.
• Availa...

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