For Sale: Hewlett Packard Model 350 A Attenuator Set This has a 500 ohm impedance, and will go in 1 db steps from 0 to 110 db. It is in a nice oak enclosure, and works fine. Binding post input and output connectors. $18 plus shipping from Florida. Thanks. 73, Ken, W8EK Ken Simpson E-mail to [email protected] or [email protected] Voice Phone (352) 732-8400