This article is from the CD-Recordable FAQ, by Andy McFadden (email@example.com) with numerous contributions by others.
190100 (6x2x2/1MB;Parallel, based on the Ricoh MP-6200)
190120/190126 (6x4x2/?MB;Parallel, based on the Yamaha CRW-4261)
190127 (8x4x2/2MB;Parallel, based on the Mitsumi CD-4802TE)
All products are standard recorders combined with Micro Solution's