Double cassette tape recorder dual preamplifier

The BA3416BL is a dual preamplifier (for playback only) that has been designed for use with dual-cassette decks. An internal switch is used to switch the left and right channel inputs between the A and B tape mechanisms.
The playback heads can be directly coupled to the preamplifiers without coupling capacitors, and an internal switch is provided to switch the equalizer characteristics for metal and chrome tape.

Features
1) Internal tape A/tape B switch for use with dual-cassette decks.
2) Internal switch is provided to switch the equalizer characteristics for metal tape playback.
3) Input bias circuit does not require coupling capacitors.
4) Wide operating power supply voltage range (VCC=3.5V to 12V).

Applications
Dual-deck stereo radio cassette players