This part is a kind of semiconductor called TDA2611.
Function of this product has DUAL EQUALIZER AMPLIFIER.
Manufacturers : UTC
Image and pinout :

Some of the text within the PDF file :
UTC TDA2611 LINEAR INTEGRATED CIRCUIT DUAL EQUALIZER AMPLIFIER WITH ALC DESCRIPTION The UTC TDA2611 is a monolithic integrated circuit designed for the TV IF sound power amplifier. It also can be used in audio power amplifier sets. FEATURES *Wide operating voltage (6V to 35V) *Few external components *Fixed Closed Loop Gain *High input impedance *Built-in Thermal protection circuit *Fine ripple rejection characteristic SIP-9H BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Pulse Peak Output Current Peak Output Current (continuously) Operating Temperature Storage Temperature SYMBOL Vcc Ios Ior Topr Tstg VALUE 35 3 1.5 -25 to + 150 -55 to + 150 UNIT V A A °C °C UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R107-001,A UTC TDA2611 PARA [ ... ]
TDA2611 PDF Datasheet Download
