***UNIT NEEDS STEP DOWN TRANSFORMER NOT INCLUDED***
Description
The Pioneer SX-690 is an AM/FM stereo receiver with 2 hybrid ICs power amplifier output containing bias, driver and output stages in quasi-complementary circuits. Output is direct-coupled OCL following a first-stage differential amplifier.
Features include Pioneer's exclusive PLL MPX IC incorporating automatic pilot signal canceller and a CR-type tone control network.