I tried this: 0 SYNTH BEGIN RIBBED_HOSE 100 LDU 1 7 -174 -20 -36 0 -1 0 1 0 0 0 0 1 LS00.DAT 1 7 -10 48 -6 0 1 0 -1 0 0 0 0 1 LS00.DAT 0 SYNTH END It is straight from the readme.txt file. It does not work... Saved it as tube.dat and put both this (...) (22 years ago, 13-Jan-03, to lugnet.cad.dev)