Taking a step back into Quad territory this is the Technics SA-8000x Quad receiver. Not the most stylish receiver it was offered from late 1973 until early 1975. It is rated at 13 watts per channel into 4 channels and 36 watts per channel into two channels (though I have seen some ratings at 16 and 42 wpc). The manufacturer’s suggested retail price was around $550.00.
The SA-8000x measures 19 5/8 inches x 13 3/4 inches x 6 1/8 inches. It accommodated both CD-4 (Discreet) and SQ (Matrix) decoding.
A reconditioned Technics SA-8000x recently sold for $284 (8-26-2019). They generally sell for $350-$400. A recent sale in June of 2023 was for $320.