NTE1687 - Linear Integrated Circuit Dual / 2.5W (7.8W BTL) Audio Amp
The NTE1687 is a high performance stereo power amplifier in an 11 *Lead SIP type package designed to deliver 1W/Ch into 4Ω or 2W bridged monaural into 8Ω.
It is ideal for sensitive AM radio applications, exhibiting lower wideband noise, lower distortion, and less AM radiation than convention