The best replacement for 10s is 12s.

The best alternatives to 10s are rated as following:
★★★★★  12s
★★★  1 12
★★  9s
★★  2 12s
★★  11s
★  10's
★  10 weave
★  15s
★  1 15
★  00s
★  one 12
  8s
  2 15s
  20s
  7s

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Speaking about 10s, one probably shouldn't forget about rokit 5.

Other search terms related to 10s and their ratings are:
★★★★★ rokit 5
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10s
12s
1 12