For Sale @:
http://www.bonanza.com/listings/Sansui-Model-500-Tube-Stereo-Receiver-See-video-/259875397
http://us.ebid.net/for-sale/sansui-model-500-vacuum-tube-stereo-receiver-125774163.htm
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https://www.youtube.com/watch?v=7RQT53EQsHs
for Sale :
http://us.ebid.net/for-sale/mcs-3872-683-3872-integrated-stereo-amplifier-japanese-see-video-138451825.htm
http://us.ebid.net/for-sale/mcs-3872-683-3872-integrated-stereo-amplifier-japanese-see-video-138451825.htm
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https://www.youtube.com/watch?v=UyF8HLd68dw