SR 7000G Receiver

Marantz SR7000G Receiver:Have a chance to pick one up but can't find any info as to what year,Power etal? Any info appreciated...:scratch2:

1982

* Rated Output: 100W +100 W / 8Ω RMS
* Input Terminal: AM, FM, PHONO, AUX/TAPE3, TAPE1, TAPE2
* Power supply voltage: 110/120/220/240V 50/60Hz (external optional)
* Power consumption: 250W
* Product size: (Wood Case): W × 465 H × 150 D × 355mm
* Product Weight: 13Kg
* Accessories: FM 75ΩT-type lead-type antenna