If you hopped into your time machine and brought back audio gear- what would it be?


So you have a time machine and you could go back to the days when you first started to get interested in and knowledgable of good audio gear- and a genie grants you one audio wish- you can bring back any single component from those halcyon days- what are you coming back with? 
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Wait a minute- I have a time machine. So what do I need with a Genie? 
Gear? Nothing. Everything is better NOW!

Butt, (LOL) I would bring back streaking.. Look out Ethel!

I can’t help it, the older I get, the less I care.. YUP..

Regards
I'd go back to July 1991 and buy that second pair of KLH Nines being sold at HiFi Classics (Far Rockaway, NY). $500! I bought the first pair! Still have them in use! The best full-range electrostatic speaker! Developed by Roger West and Arthur Janzen.