FM Acoustics Vintage Preamps - part 4

To fill the gap between 155 and 266 FMA released 255 in 1998 and 245 in 2003.

155 was released earlier in 1998.

255 price in 2002 was CHF 27000 and 266 CHF 50000, 155 CHF 8200.

255 was replaced by 255II in 2006.