Sony Super Betamax Model SL-300 Home Forums Galleries Beta Format Galleries Sony Betamax Gallery Vintage Video Galleries E-mail     Vintage Sony Super Betamax VTR Model SL-300   Sony Betamax SL-300 Information   Sony Super Betamax SL-300. From the year 1987. Sold for $400. Features, 7-day, 1-event programming, wireless remote, records in both BII and BIII speeds, front display which includes counter, clock, channel, and more.     Pictures