TOP: the JVC/Victor DAS-90 professional PCM recorder using U-Matic VCRs as storage. U-Matic was developped by JVC and... Sony :)

BOTTOM: Besides the DAS-90 set and a consumer PCM encoder, cooking in the Victor labs then was the bigger DAS 900 series (AE-900, BP-900, CD-900) plus an AHD version of CD, DAT and an AHD version of DAT, a DCC version of DAT and the video version of AHD (VHD)...