Spectravideo SV 318

I have two main units, two power adapter, two rf modulator, tape drive SV-903
and tape drive SVI-904.

type computer
country USA
year 1984
os SV Microsoft Basic 1.0
cpu Zilog Z80 a
speed 3.6 MHz
ram 32 KB
vram 16 KB
rom 32 KB
graphic 256 x 192
colors 16
sound 3 channels, 8 octaves
ports tape, cartridge, expansion port