I bought one of these a few years ago for my A500 and it was my worst Amiga purchase ever! It's way overpriced too.
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scandoubled screens are much darker than passthroughed screens
Quote:
high power consumption - the screen may go darker when the floppy drive is accessed
Yes, I noticed both of these problems...and more.
Only buy one if you're desperate and can't find a 1084. (..and want your real Amiga to look like a very slow, flickering emulated Amiga :-( )