A couple of suggestions, yes, the PAD AA that you tried is a bit dark, the Venustas is much more resolving, as it uses some silver conductors, if you can find some used.
Also on the used market, you could try a pair of Tara Labs Air 1's or Analysis Plus Solo Crystal 8's.
Also on the used market, you could try a pair of Tara Labs Air 1's or Analysis Plus Solo Crystal 8's.