The best replacement for u87 is u89.

The best alternatives to u87 are rated as following:
★★★★★  u89
★★★★★  tlm 103
★★★★  u47
★★★★  u87ai
★★★  u67
★★  414
★★  tlm 49
★★  akg c414
★★  c12
★★  manley reference
★  tlm 102
★  m149
★  at5040
★  sony c800g
★  ksm44
★  kiwi
★  sm7b
  akg 414
  tlm 67
  u195
  rode nt2
  m147
  49
  blueberry

Your alternative for u87 is not listed? Suggest!
Speaking about u87, one probably shouldn't forget about avalon 737.

Other search terms related to u87 and their ratings are:
★★★★★ avalon 737
You have in mind a companion for u87 and it is not yet here? Propose!



Google Trends

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u87
u89
tlm 103