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Eminence Impero 18 Replacement PA Speaker, 2,400 Watts, 18C, 4 Ohms, 18 Inch

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Eminence
EMI IMPERO18C

Product Details

Eminence is proud to introduce three advanced high-power additions to the Professional Series: the Impero 12A, 15A, and 18A. Italian for "empire", Impero sets the tone for this elite offering of high quality, hand-built loudspeakers.Using high motor strength with balanced Vas and Mms, the Impero series plays extremely loud and low in compact vented designs. Advancements include a 1/2 inch thick by 7.5 inch diameter machined top plate, one piece machined T-yoke, and a 4 inch deep wound fiberglass voice coil. These features combined with an ultra-linear long-excursion suspension and bumped motor assembly allow the Impero series to move serious air, generate serious SPL, while handling tremendous amounts of power. The 18 inch Impero 18A is also rated at 1,200 watt continuous / 2,400 watt program power, has a frequency range of 39 Hz to 820 Hz, and is suited for full-range three-way boxes, bass guitar boxes, and small subwoofers. This model is also available in a 4 ohm version, the Impero 18C.

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- Nominal Basket Diameter: 18 in., 457.2mm
- - Nominal Impedance: 8 or 4 ohms
- - Power Rating
- -- Watts1200 watts
- -- Music Program: 2400 watts
- - Resonance: 33.17Hz
- - Usable Frequency Range: 39Hz - 0.82kHz
- - Sensitivity: 95.9dB
- - Magnet Weight: 109 oz.
- - Gap Height: 0.5 in., 12.7mm
- - Voice Coil Diameter: 4 in., 101.6mm
- - Thiele & Small Parameters
- - Resonant Frequency (fs) : 33.17Hz
- - DC Resistance (Re) : 5.41
- - Coil Inductance (Le) : 1.47mH
- - Mechanical Q (Qms) : 14.02
- - Electromagnetic Q (Qes) : 0.44
- - Total Q (Qts) : 0.43
- - Compliance Equivalent Volume (Vas) : 317.02 liters / 11.19 cu.ft.
- - Peak Diaphragm Displacement Volume (Vd) : 927.2cc
- - Mechanical Compliance of Suspension (Cms) : 0.17mm/N
- - BL Product (BL) : 18.9 T-M
- - Diaphragm Mass Inc. Airload (MMs) : 139.52 grams
- - Efficiency Bandwidth Product (EBP) : 75.37
- - Maximum Linear Excursion (Xmax) : 8mm
- - Surface Area of Cone (Sd) : 1159 cm2
- - Maximum Mechanical Limit (Xlim) : 20.1mm
- - Mounting Information
- - Recommended Enclosure Volume: 113.2-277.5 liters / 4-9.8 cu.ft.
- - Driver Volume Displaced: 409.6 cu.in. / 6.7 liters
- - Overall Diameter: 18 in., 457.2mm
- - Baffle Hole Diameter: 16.56 in., 420.62mm
- - Front Sealing Gasket: Fitted as standard
- - Rear Sealing Gasket: Fitted as standard
- - Mounting Holes Diameter: 0.29 in., 7.36mm
- - Mounting Holes B.C.D. : 17.25 in., 438.15mm
- - Depth: 8.31 in., 211.07mm
- - Net Weight: 27.3 lbs, 12.3 kg
- - Shipping Weight: 30.8 lbs, 13.9 kgs
- - Materials of Construction
- - Coil Construction: Copper voice coil
- - Coil Former: Fiberglass
- - Magnet Composition: Ferrite magnet
- - Core Details: Bumped Vented Extended core
- - Basket Materials: Die-cast aluminum basket
- - Cone Composition: Water Resistant Treated Paper Cone
- - Cone Edge Composition: Treated Cloth cone edge
- - Dust Cap Composition: Water Resistant Treated Paper dust cap
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When will I receive my shipment?

We ship on business days (Saturday, Sunday, and holidays are not business days). Packages ship from Mississippi, Nevada, New Jersey, or Ohio -- we cannot guarantee that any product will ship from a specific warehouse. Expedited Shipping (1-Day Air and 2-Day Air) is the only way to guarantee that you will receive an item within a certain time frame. Delivery estimates for expedited shipping options are listed on the product page for the item in question. All expedited shipments are delivered Monday-Friday.

Ground Shipping typically takes 1-4 business days from the date of shipment (for orders within the 48 contiguous United States). Residential ground and Free 2-Day shipments are delivered Tuesday-Saturday. Commercial ground and Free 2-Day shipments are delivered Monday-Friday. Make sure to select the proper address type for your address in checkout, as delays may occur if your selection is incorrect.

For APO/FPO customers, all orders ship via USPS. Expedited shipping is not available. Tracking for these orders is not available.

For customers shipping to a PO Box, the order may need to be shipped via USPS. For this reason, expected delivery dates cannot be guaranteed.

Do you ship to my location?

For most products shipping to the continental United States, customers may choose Ground, 2-Day Air, or 1-Day Air delivery. We also ship to Alaska and Hawaii; however, due to carrier restrictions, we cannot ground-ship to those states.

In addition, we ships to the following destinations, though some restrictions apply:

  • Canada
  • Puerto Rico
  • APO/FPO
  • U.S. Territories

See instructions below for how to search the site by our eligible shipping destinations.

Note: We cannot change a shipping address on an order after it has shipped. If an order is returned because it couldn't be received at the listed shipping address, we will accept the return but will not refund the shipping charges.

Canada

We ship a lot of our most popular gear to Canada! To determine if item(s) ship to Canada, add the item(s) to your cart and enter your shipping postal code. Items that ship to Canada are sent via International Air, and delivery is typically 2-5 business days from the date of shipment.

Canadian orders are charged in U.S. dollars. Actual charges are dependent on your bank's conversion rate. Your bank may assess additional fees for international orders.

Although items shipped to Canada receive their full factory warranty, they must be returned to a United States service center for repairs. We're not responsible for any shipping or customs fees incurred in such a case.

Puerto Rico

We ship many items to Puerto Rico. To determine if item(s) ship to Puerto Rico, add the item(s) to your cart and enter your shipping zip code. Eligible items ship via International Air, and typically arrive 2-5 business days from the date of shipment.

APO/FPO

We ship to APO/FPO addresses for free, though over-sized items may be ineligible. To determine if item(s) ship to your APO/FPO address, add the item(s) to your cart and enter your shipping zip code.

U.S. Territories

We ship eligible products to American Samoa, the Federated States of Micronesia, Guam, the Marshall Islands, the Northern Mariana Islands, Palau, and the Virgin Islands. Eligible items typically arrive 2-7 business days from the date of shipment.

What about customs fees?

Please be aware of customs fees such as taxes and duties, which are not included in our shipping charges. Customs fees vary from location to location. Please check with your local customs office for more information on the fees in your area. If you refuse to pay these fees, your order will not be delivered. We cannot refund shipping charges if an item is returned due to refusal to pay fees, and a restocking fee may be applied to cover the cost of return shipping. Customs fees are non-refundable.

Which items ship immediately?

Most orders ship the same business day your order is placed when you place a valid order before the shipping deadline.

Immediate shipment is available Monday-Friday. A valid order placed before 5 p.m. EST will ship the same day when using Ground or Free 2-Day shipping. Ground and Free 2-Day shipping orders placed after 5 p.m. EST will ship the next business day. Many orders using an expedited shipping method (2 Day Air or Next Day Air), and placed before 10 p.m. EST, will ship the same day.

Shipment and availability information updates from our warehouse to our website almost in real time. We are highly confident of the status of each item when you view a page. However, we do not reserve inventory being viewed or even placed in shopping carts, so we cannot guarantee an item's availability until you have placed your order. In particular, if you have been in the checkout area for more than about 10 minutes, we do recommend that you refresh the page to get the most current inventory prior to checking out.

What is a valid order?

A valid order is for a valid item at a valid price, placed with a credit card with complete and verifiable address and other information. Details.

Does immediate shipment mean immediate delivery?

Once an order is shipped, our carriers (Federal Express and UPS) typically guarantee a service time for when the order will be delivered to you. Our carriers have a very good record of delivering at their promised service time. We will ship immediately, and on all items, we will refund expedited shipping charges if the carrier's service levels for your chosen shipping method are not met.

If a product is in stock, is there any reason it will not ship immediately?

Exceptions are very unusual, but here are some examples of reasons that might prevent us from shipping immediately:

  • Warehouse, call center, or web operations lose power or telecom connectivity.
  • Warehouse, call center, or web operations lose capability due to adverse weather (blizzard), safety threat, or other factors.

What can I do if I don't feel you've lived up to your guarantees?

If you ever feel we have not lived up to any of our guarantees, we want to know about it -- and we want a chance to do right if we agree. Contact Us.

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