I've got about a thousand 45's in my collection, which I occasionnally listen to through two TT's connected to a small mixing table (TTI).
This set up is also very handy if I want to record a tape or a cassette to listen to in the car or have good continuous background music to play during evenings.
For very damaged ones (badly wharped) I still have an old Perpetuum Ebner with crystal cart and sapphire needle with an arm heavy enough to stay in the grooves during playing. These are unfortunately rare records and it is the only way to keep playing them.
The later stereo ones can be played without problems on my TD 166 and 146 as well as on my Dual 1019, with quite good litening pleasure.