it is from 10 to 80 mtr amp,and has two 1446 driving eight 2879 transistors three stage and ahttp://www.worldwidedx.com/attachment.php?attachmentid=7668&stc=1&d=1340673376lso preamp $400 shippedhttp://www.worldwidedx.com/attachment.php?attachmentid=7669&stc=1&http://www.worldwidedx.com/attachment.php?attachmentid=7670&stc=1&d=1340673376d=1340673376 email me at n0zna@juno.com