I have an Omni VI Plus, serial number ending in '9', for sale. All filter slots are filled; 6 MHz with 1.8 KHz, 250 Hz, and 500 Hz, 9 MHz with 250 Hz and 500 Hz. Radio has no blemishes or scratches. It is electronically perfect. Great receiver. Comes with 705 desk mic. If interested, email me off list at jimbrass at bellsouth.net. 73 Jim, K4ZMV