Model 310 cooling fan assembly is an external accessory cooling fan for HF transceivers. Hole-free attachment to transceiver rear heat sink via 4 allen screws. Will fit Jupiter, Pegasus, all older Omni transceivers, Paragon, Paragon II, Corsair, Corsair II, Orion, Orion II, Jupiter, and Omni VII transceivers
Posted by Mike Cobuccio, WA1EYP on 28th Nov 2012
Not only do I use these on my Transceivers but they also work great mounted on the cooling fins of linear supplies. I have a couple of Astron linear supplies whose cooling fins get quite hot to the touch. This cooling fan cools them right down. This is a much better mode for the supply to run in.