There are times when your sound system needs additional low-frequency output and “punch.” For those situations, Alto Professional proudly offers the TS318 powered subwoofer. This subwoofer extends the bass response of virtually any full-range speaker, relieving that speaker of the difficult task of having to reproduce the low bass frequencies. The result? A system with stunning wide-range response characterized by dramatic, impactful low frequencies and effortless, undistorted mids and highs. The listening audience will hear everything with perfect clarity, from the lowest bass synth tones to the highest percussion bells and everything in between.

TS318S features a rugged, long-excursion woofer mounted in a solidly-braced ported enclosure, computer-optimized for powerful low-frequency performance. The enclosure itself is made from a dense wood composite. This strong, resonant free material has virtually perfect acoustic characteristics, which ensures that the subwoofers’ output is always clear and impactful. Conventional enclosures with flex-prone thin metal or plastic walls actually rob the speaker of acoustic impact by dissipating the driver’s energy as cabinet vibration. A sturdy, braced wood composite enclosure doesn’t waste the driver’s motion as cabinet resonance.

Strong, clear output is only half the battle, however, in order for a subwoofer to be part of an ideal speaker system, it has to blend seamlessly with the companion speaker. This is where the Alto Professional’s TS318S truly excels. All TS300-series subwoofers have a choice of six selectable DSP output modes, so the subwoofer’s frequency response and crossover frequency are perfectly-matched to the speaker it’s being used with. Four of these six output options match the subwoofer perfectly with Alto TS2 and TS3 full-range speakers, while the other two output options (Hi-Pass or Bypass mode) ensure a perfect match even with non-Alto full-range speakers.

Our computer design techniques feature advancements such as Finite Element Analysis (FEA), which enables us to optimize the speaker’s magnetic structure and maintain a tight voice coil gap for maximum sensitivity. Our voice coils themselves have extremely tight windings that ensure maximum utilization of the input signal and our adhesives exhibit unrivaled consistency and durability under high-temperature conditions for unsurpassed system reliability. TS318S features an on-board 2000watt amplifier (1000 watts continuous) with proprietary limiting circuitry that provides electronic clip, thermal and transducer overload protection, ensuring that the system always sounds clean and clear, no matter how hard it’s pushed.

Output Power: 2000 W peak, 1000 W continuous

Amplifier: High-efficiency Class D amplifier

18” (457 mm) woofer, 3” (76 mm) voice coil

Frequency Response: 44Hz – 86 Hz (- 3 dB)

Frequency Range: 35HZ – 97Hz (-10 dB)

Maximum SPL: 133 dB (@ 1 m) 131 dB continuous (dB SPL @ 1 m)

Connections: (2) XLR+1/4” (6.35 mm) inputs; (2) XLR outputs; (1) IEC power cable input

Input Level: Line +4 dBu (nominal)

External Controls: Volume control, DSP output mode switch, polarity-reverse switch, extended low-frequency switch, power switch

Indicators: Signal/clip limiter LED, six DSP output mode LEDs, polarity-reverse LED, extended low-frequency LED, power switch LED

Electronic Protections: Electronic clip, thermal and transducer overdrive protection

Enclosure: Internally braced MDF cabinet; 36 mm mounting pole socket on the top panel

Rugged, mar-resistant splatter-spray finish always looks good, even with heavy use

Power Connection: IEC with Mains Fuse

Dimensions (H x W x D): 680mm x 533mm x 628mm

Weight: 39.2 kg

Dynacord PM1000-2

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