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Alto Truesonic Sub12 Powered Subwoofer


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  • Dawsons Delivery Delivery: FREE
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  • 600 watts class D power
  • 12 inch woofer, 3 inch copper sandwich voice coil with long excursion
  • Compact 18 mm birch cabinet with metal grille and handles
  • Adjustable level and polarity controls
  • Integrated hi-pass and low-pass filters
  • Clip limiter with red LED
  • Ground Lift switch
  • 35 mm pole slots
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  • Flexible finance available on orders over £250
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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Packed with 300 watts of class D amplification, the Alto Truesonic Sub18 powered subwoofer delivers massive bottom end when you need it most. Giving you a substantial amount of power over lower frequencies gives you more depth to mix with and the Sub18 delivers this effectively, economically and remains a very popular choice for sound engineers and bands all over the world.

The frequency range and crossover of the Truesonic Sub18 has been tuned to provide smooth, low-end sound production in the 47Hz-125Hz range. The Sub18 powered subwoofer also offers stereo inputs, an internal active crossover, and is housed in rugged, compact, 18mm Birch plywood cabinet with durable metal recessed handles making it as solid as a rock, yet completely portable.

For total control over your sound, the Truesonic Sub18 comes with built in level and polarity controls, hi-pass and low-pass filters, clip limiter switch with a red LED indicator and a ground lift switch to help rid any unwanted mains interference.

The party piece of the Truesonic Sub18 is the powerful 12" woofer with 2.5" voice coil and double ventilation. This enables the Sub18 to dish out as much precise, pure power as you need. The amp, crossover and driver all work in harmony to give you earth shattering bass combined with clarity, all in one easy to transport, solid unit.

ModelTruesonic Sub18
Dimensions (WxLxH)14.57in x 20.87in x 18.90in
Weight41.01lbs (18.6Kg)
Connectivity Inputs: l
  • Mic/Line left channel, XLR right channe
  • Stereo XLR Left link, Right mono, internal crossover on through
Frequency Response47 Hz - 125 Hz
Active / PassiveActive
Wattage600W Peak, 300W RMS
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