Shure V15 Era IV - Test record -good for testing your turntable tonearm and cartridge only, helpful in finding resonant frequency of tonearm cartridge. This was designed and optimized for the Shure with the dampening brush.
Cardas visit cardas site to view.
Hi Fi News may be hard to find in the U.S.
Listeing test:
*Opus 3 Depth of Field on vinyl Helps you determine if sound stage has depth, width, etc.
Ohm made a nice test record back in the day on vinyl
NAD made a demonstration record that was interesting
* Bose made a Demo record that has cuts, from various Mercury Living Presence recordings ( cost between $10 and $40 on Ebay)Make sure it is mint. You will enjoy it. It covers the entire spectrum.
All mentioned above is vintage test and demo records.