Under U.S. milspec performance criteria, ten pre-production samples of the M-1950 are required to meet a battery of performance, durability, and accuracy standards.
There was an extremely rare (possibly only ever released as pre-production samples) 1 GB memory version of the P/390E card.
In modern system-on-a-chip prototyping, brassboard is defined as a second prototyping stage that follows engineering validation boards (EVB) and precedes wingboards and final pre-production samples.
Our friends at Imaging Resource gained access to a pre-production sample and took a few photos to illustrate just how small it really is.
In fact, Imaging Resource told Ars that images from its pre-production sample compare favorably to the Canon G12 even at high ISO settings.
The model numbers (700, 701) may still be the same as has been seen on pre-production samples.
Whelen further recommended that pre-production samples be rushed out in time for the National Matches [1] at Caldwell, New Jersey that August.
Several successful live-fire tests were conducted in 1989, and production was scheduled for 1994; however, pre-production samples tested in 1993 gave poor results with only nine out of 42 submunitions hitting their targets.
Rheinmetall supplied pre-production samples, documentation and parts from which in USSR a few pieces of each type could be assembled.