I would also look at JL's new eSubs. Budget-wise seems like a better match to the Harbeths and the e subs offer the full high-pass/low-pass capability.
With two superb subs crossed over at around 80 Hz, you might want to consider the Monitor 30.1, which should give you better midrange and treble than the SHL-5.
Another option is to go with smaller subs and use 4 of them. That apparently is the road to getting the best room integration, or so I'm told.
With two superb subs crossed over at around 80 Hz, you might want to consider the Monitor 30.1, which should give you better midrange and treble than the SHL-5.
Another option is to go with smaller subs and use 4 of them. That apparently is the road to getting the best room integration, or so I'm told.