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The preamp comes in the signal chain before the amplifiers. The nonverbal audio that occurs in a non-studio setting. Compression scheme used to transfer audio files via the Internet and store in portable subwoofwr and digital audio servers. A 20mm threaded pole socket on the top panel allows you to securely mount a satellite speaker on top of the subwoofer. A component designed to alter the frequency balance of an audio signal.

NATS can be used to help characterize the setting. Anything that processes an incoming signal in some way. A wubwoofer that passes high frequencies, and attenuates low frequencies. It is designed to allow the speaker to raise or lower the microphone to a suitable height. The number of cycles vibrations per second. Also used as a term for loudspeaker drivers designed to reproduce both bass and midrange frequencies. The transmission of current or voltage from the output of a device back to the input, where it interacts with the input signal to modify operation of the device.


Also, laser discs used an RF signal for modulating Dolby Digital 5. Surround processors, for example, can decode a Dolby Digital signal to send to an amp so you can hear it. The minimum purchase order quantity for the product is 1. Equalizers may be graphic, parametric, or a combination of both. A measure of what frequencies can be reproduced and how accurately they are reproduced.

A measurement of 20 to 20, Hz, 3dB means those frequencies between 20 and 20, Hz can be reproduced no more than 3 dB above nbl below a reference frequency level.

Hertz or cycles per second.

JBL SRX718S 18″ High Power PA Subwoofer

A passive crossover uses no external power and results in insertion loss. VCRs and DBS receivers often include channel 3 or 4 modulators, allowing the output signal to be tuned by the television on those channels. The subwoofer has a srz718s power rating of W to provide a powerful bass performance with very low distortion.

A speaker designed to reproduce the full range 20 Hz to 20 kHz of audio frequencies. Be the first to review this item.

Time relationship between signals; it’s all relative. The 18″ H Differential Drive woofer provides an extended low frequency range as low as 31Hz. Update Unrecognized Zip Code. A component that converts electrical energy into acoustical energy. Is compatible with any and all soundtrack formats.


A speaker designed to reproduce very low bass frequencies, usually those below about 80 Hz. Raising sliders boosts the affected frequencies; lowering sliders cuts attenuates the affected frequencies.

Root Mean Square or the square root of the arithmetic mean average of the square’s set of values. A passive speaker is one without internal amplification. A Line Array is perfect for medium to large audiences.

Jbl Professional

It can sometimes be found on DVD-Video. These words all refer to the initial few seconds of audio signifying the beginning of the production. See any errors on this page? An unwanted portion of a signal such as hiss, hum, whine, static, or buzzing. Feedback is positive jjbl it’s in phase with the input and negative when it’s out of phase.

JBL SRXS 18″ High Power PA Subwoofer | eBay

Increase in level or amplitude. Higher frequencies depict smaller objects finer details.

The middle of the audio frequency range.