New subs from Alto

New subs from Alto

Alto has extended its TS3 series of sub-woofers with two new models, the TS315S and TS318S. The manufacturer says the new speakers’ enclosures are made of composite wood (aka chipboard) which gives them acoustic advantages over plastic or other thin materials and the enclosures offer a choice of six selectable DSP output modes, so the subwoofer’s frequency response and crossover frequency can be matched to the speaker it’s being used with.


Four of these six output options match the subwoofer with Alto TS2 and TS3 full-range speakers, while the other four output options ensure a match with non-Alto full-range speakers. ‘For the ultimate in system configuration flexibility, users can also choose Hi-Pass or Bypass mode,’ Alto says, adding: ‘Alto Professional’s computer design techniques feature advancements such as Finite Element Analysis (FEA), which enables them to optimize the speaker’s magnetic structure and maintain a  tight voice coil gap for maximum sensitivity. Alto’s voice coils themselves have extremely tight windings that ensure maximum utilization of the input signal and the adhesives exhibit unrivaled consistency and durability under high temperature conditions for unsurpassed system reliability’.

Both subwoofers have an on-board 2000 Watt amplifier (1000 Watts continuous) with proprietary limiting circuitry that provides electronic clip, thermal and transducer overload protection.

  • Driver: 15-inch (TS315S) or 18-inch (TS318S) with high-temperature, long-throw voice coil
  • Amplifier: 1000w continuous, 2000w peak Class D power
  • XLR outputs, with six discreet output modes for ideal matching with companion speaker
  • Extended LF switch for increased EQ control
  • Electronic clip, thermal and transducer overdrive protection
  • Integrated 35mm pole socket
  • M10 suspension points


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