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  1. Home
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  3. Discontinued Image Dynamics Car Audio & Electronics
  4. Discontinued Image Dynamics Car Speakers
  5. Discontinued Image Dynamics 6x8" Speakers

Discontinued Image Dynamics 6x8" Speakers

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
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Image Dynamics ID57

75W RMS 5x7" ID Series Full Range Coaxial System with 20mm Silk Tweeter - Pair

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Image Dynamics ID57

75W RMS 5x7" ID Series Full Range Coaxial System with 20mm Silk Tweeter - Pair

• 75 Watts RMS Each
• 20mm Silk Dome Tweeter
• Mica-polymer composite woofer cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2.50"

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2

• 75 Watts RMS Each
• 20mm Silk Dome Tweeter
• Mica-polymer composite woofer cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 2.50"

 
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