The best replacement for pm1 is 805d.

The best alternatives to pm1 are rated as following:
★★★★★  805d
★★★★★  pl1
★★★★  pm2
★★★★  cm5
★★★★  805
★★★  pl3
★★★  e-pl2
★★★  ls50
★★  805 diamond
★★  pl2
★  kef ls50
★  cm1
★  e pl2
★  e-pl1
★  cm8
  e-pl3
  b&w cm9
  685

Your alternative for pm1 is not listed? Suggest!
Speaking about pm1, one probably shouldn't forget about pv1d.

Other search terms related to pm1 and their ratings are:
★★★★★ pv1d
You have in mind a companion for pm1 and it is not yet here? Propose!



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pm1
805d
pl1