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Subwoofers hand built to order in the USA

EM 1.2k 18 – 18″ 1,200W RMS Subwoofer

(1 customer review)

$399.00

-

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Design my box for this sub →Free enclosure advisor — sealed or ported volume, tuning, slot or aero ports, response curve and a cut sheet for your vehicle.

Measured T/S Fs 35.66 Hz·Qts 1.007·Vas 114.83 L All specs →

EM Audio’s entry-level 18″ subwoofer: 1,200W RMS with a 3″ 4-layer American-made copper coil in dual 2 or dual 4 ohm, a 190 oz triple-stack motor and an efficient coil-cooling design. Hand built to order in the USA.

Ohm / Coil Selection
Carbon Fiber Dustcap Upgrade
Spider Upgrade
Carbon Fiber Cone Upgrade

Custom Color Options

Custom Frame & Dustcap Color

Your dustcap is matched to the frame color.

Custom Logo Text (On Dustcap)

Any other details we should know about your order (optional).

1-year warrantyOn every EM Audio subwoofer
Hand built to order in NCAllow a minimum of 15 business days
Pay over timeAffirm, Afterpay and Snap at checkout
Recone kits for every modelA blown sub is a rebuild, not a replacement

Description

The EM 1.2k 18 came out of more than a year of testing and prototyping. It is a smaller-motor subwoofer that punches well above its size: a highly efficient coil-cooling system lets the 3″ American-made coil match or beat the thermal performance of many competing 3″ coil drivers, so it is at home in daily, SQL or SPL systems that get driven hard. If you want to bang hard on the street without emptying your wallet, this is the one.

Highlights

  • 1,200W RMS rated; over 4,000W on burps
  • 3″ 4-layer American-made copper PE coil on an aluminum vented former, dual 2 or dual 4 ohm
  • 190 oz Y28 triple-stack motor with a center pole vent and a heavily vented backplate
  • Three 8″ progressive EM Audio spiders
  • Non-pressed pulp cone with a high roll stitched foam surround
  • Black poly dust cap with black and white 2-tone logo
  • Big XL single round lead and 10 ga. push terminals
  • Vented 12-spoke aluminum basket in black wrinkle powder coat

Specs

  • Motor width: 6.75″
  • Cutout diameter: 16.75″
  • Outside diameter: 18.25″
  • Motor weight: 22 lbs

Recommended enclosure

Sealed: 2.0 cu ft. Ported: 4.0–5.0 cu ft, tuned to 29–32 Hz. These sizes are for rated power. If you compete or run over rated power, work with your box designer, or run the numbers in our box calculator.

Every EM Audio subwoofer is hand built to order in North Carolina. Custom orders take a minimum of 15 business days to build and are final sale. Custom powder-coat frame and dustcap colors, a stiffer spider pack, direct 8 ga. OFC leads and custom dustcap logo text are available as options above. Real carbon fiber dust caps are in Dust Caps. Recone kits are available for every model we make, so a blown sub is a rebuild, not a replacement.

Measured T/S parameters

Fs 35.66 Hz
Qts 1.007
Qes 1.142
Qms 8.535
Vas 114.83 L (4.055 cu ft)
Re 3.93 Ω
Le 3.017 mH at 10 kHz
BL 18.9 T·m
Mms 463.56 g
Cms 0.04 mm/N
Sd 1380 cm² (16.5″ piston diameter)
Sensitivity 88.48 dB 1W/1m · 91.58 dB 2.83V/1m

Measured in free air on a Dayton Audio DATS with the coils wired as tested (see Re). Treat these as a starting point: every sub is hand built, and upgrades change the numbers. A stiffer spider pack raises Fs, and carbon fiber upgrades lighten the moving assembly, which also raises Fs and lowers Qts. Run them through our box calculator, or ask us for numbers on your exact build.

EM 1.2k 18 measured Thiele/Small parameters

Additional information

Weight 28 lbs
Dimensions 15 × 15 × 12 in

1 review for EM 1.2k 18 – 18″ 1,200W RMS Subwoofer

  1. blank

    joseph –

    First time using EM audio sub. I’ll definitely be purchasing more in the future when I’m able to! Can’t wait to see the max potential once the sub is broken in.

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