hifi engine

Need manuals (user and/or service) for Denon, Realistic, and Sansui

Equipment I'm seeking manuals for:

Denon DRA-700 - early 80's ('82-'83?) 60wpc tuner/amp
Denon DCM-260 5-disc CD Changer
Sansui G-5000 (found service man on hifiengine, looking for user man for education)
Realistic 31-2010 12-band Equalizer