Lafayette LR-1000B receiver

Front view
Lafayette LR-1000B receiver

Rear view. Note the 4 Sanken TO3 PO transistors. There's a center channel RCA plug between the speaker connections. Not sure it's signal. Could be a mono +/- 500 mv. Or a single speaker connection? Not sure. Could be analyse if case is opened.

-Origin: Japan
-Year(s):Early 1970s
-MSRP: N/A
-Power output: 35 Watts/channel 8ohms (unconfirmed)
-Frequency response: n/a
-Consum:
-Preamp controls: Bass - Treble (Both adjustable for each channel)
-Selector: AM - FM - Phono - Aux
-Buttons: Loudness - Mute - Low filter - High filter
-Speakers selection: Main & Remote (2 pairs)
-Features: There's an uncommon input mode selector.
-Extra informations: There's a center channel rca plug on rear
-Dimension: N/A
-Case: Front: Aluminium/Plastic - Cover: Metal
-Weight:
-Status: in hand. *