I have a Delta 580 with matching 280 power supply. The 580 Delta is in
good condition, some wear by the selectivity switch, but all pad printing is
perfect. I have manuals for both units. The 580 has just had a checkup from
Ten Tec 6-12-01. I have the report. Email me for pics.
Patrick Herman K8CMA
k8cma at arrl.net