The little receiver that could: SX-450 | Tapeheads.net
Vintage Pioneer Stereo Receiver Model SX-450 1970s Audiophile - Etsy
Pioneer A-X450 - Le forum Audiovintage
Found this receiver in grandparents basement. I'm not too audio savvy and was wondering if this worth selling or keeping. It's the Pioneer Stereo Receiver Model SX-550 : r/audiophile