T's, G's and V's are also chopper controlled. Though im not 100% sure of the status of if all V's are chopper controlled or not? Hubert said on 28-Oct-1999 in <7v8q79$qd8$1@news1.mpx.com.au>: >That high pitched noise can also be heard in T/G and V sets when they >accelerate -- Michael Kurkowski Ph: 0416-044-124 Web: http://www.netstra.com.au/~mk "The cheque's in the mail..."