7603
The Tektronix 7603 is a general-purpose 100MHz non-storage scope that takes two 7000-series vertical plug-ins and one 7000-series horizontal plug-in. It was made in various versions for many years.
Some have a fan, some don't. There are at least two variants of the vertical output amplifier.
Specifications
Catalog price: $5,625 (year?)
Manuals
Links
Pictures