You can have a look at the Feliks Audio “Echo”
at 499 Euro / 450$
as another option or another sub 500$
build yourself a Bottlehead Crack with Speedball
there is also the Eddie current…
so many “right” choices 
You can have a look at the Feliks Audio “Echo”
at 499 Euro / 450$
as another option or another sub 500$
build yourself a Bottlehead Crack with Speedball
there is also the Eddie current…
so many “right” choices