Below are two programs to demonstrate the controls on the MKV , ST250 and SPS422. The visual representation of the polar responses is ideal for educational purposes. The programs work on Windows 3.1 or Windows95/98, but will not function on Macintosh platforms. Download SPS422/ST250 Demo Software (304K) Download MKV Demo Software (340K) TransAudio Group, Inc. - 7320 Smoke Ranch Rd Suite G Las Vegas, Nevada 89128 - Tel: 702-365-5155 Fax: 702-365-5145 We Accept: The TransAudio Group Network: BraunerUSA.com * DrawmerUSA.com * SoundFieldUSA.com * TransAudio Group * Las Vegas Pro Audio Site Design by Monomania Media