Brand: National Stereo (By Matsushita Panasonic) Model: SG-725 Serial: 01992 Year: 1966–1968 Made in Japan Condition: Vintage. Unit is power on. Speakers work, if you put your ear to them you can hear a quiet hum. Vinyl Record player spinning. Left & Right needles are attached. But there is no sound. Not from radio not from Vinyl Record. SOLD AS IS.