| Term | Definition |
|---|---|
| Imaging | Listening term. A good stereo system can provide a stereo image that has width, depth and height. The best imaging systems will define a nearly holographic re-creation of the original sound. |
| Impedance | Impedance is a measure of electrical resistance specified in ohms. Speakers are commonly listed as 4 or 8 ohms but speakers are reactive devices and a nominal 8-ohm speaker might measure from below 4 ohms to 60 or more ohms over its frequency range. This varying impedance... Read More |
| Inductance | The capability of a coil to store energy in a magnetic field surrounding it. It produces an impedance to an ac current. Inductors are commonly used in audio as low pass crossovers. |
| Infinite Baffle | A baffle that completely isolates the back wave of a driver from the front without a standard enclosure. |
| Infrasonic (Subsonic) Filter | A filter designed to remove extremely low frequency (25Hz or lower) noise from the audio signal. Useful for Ported box designs. |
| Interconnects | Cables that are used to connect components at a low signal level. Examples include CD player to receiver, pre-amplifier to amplifier, etc. Most interconnects use a shielded construction to prevent interference. Most audio interconnects use RCA connections although balanced... Read More |
| Isobarik Enclosure | A trade name for a compound enclosure. |
