Now that you've made the leap and gotten yourself a brand-spanking-new SPL meter, you should also have something to measure besides those boring tones your receiver plays. This allows you to get a better match between the capabilities of your speakers, subwoofer, and electronics. The Avia disc has some tones that are intended to be calibrated to 75dB, while others are intended for a reading of 85dB. Remember, peaks only. Required fields are marked *. The receiver does not turn on even when the TV is turned on. None is pretty self-explanatory. Adjust your receiver or processor's volume to produce about 80 dB on your SPL meter. March 21, 2005. If it reads -4, that means it is 4 under 70, or 66dB. This is according to independent measurements performed by a number of different individuals. Save my name, email, and website in this browser for the next time I comment. Calibration can compensate for variations in the equipment itself and—probably more importantly—for environmental factors. To measure 75dB output, set the dial on the meter to 70 and then adjust the speaker volume until the little needle hits the +5 mark on the meter display. Turning on the receiver/preparing the remote control, Inserting batteries into the remote control, 6. A USB device cannot be connected to the USB port. Leave the meter fixed at ear level, pointing forward and angled slightly upward. If you're using a graphic equalizer, it should have at least one-third-octave resolution. Contributor Articles. The RDS information that you want does not appear (for European and Asia-Pacific models only). The reason for this is twofold. In many cases, you should select small for all of your speakers, even if you're using a nice set of large, full-range tower speakers that your wife hates. IIRC my RX-V2500 uses a -10 setting for its reference level calibration. If headphones are connected, you can only set [, You can also adjust the level of each speaker from the [. You've probably heard countless times that bass is nondirectional and you can put your sub anywhere. Hi, thanks for the article, very cool. It will only make your subwoofer hate you. When the dial is set to 70, the needle is displaying sound pressure measurement relative to 70. Insert your test tone disc and begin the audio test for speaker calibration. And then, connect the sub to the front speaker's output.This was also described in the sub's manual (a Rel Quake).Is this a good idea at all...? As the tone cycles to each of the other speakers, adjust the individual speaker level in the receiver menu so that each speaker measures the proper level on the meter. When you select the size of your speakers, you'll usually have the choices of large, small, and none. Home Theater Hacks is available for purchase from Amazon.com, Amazon.co.uk, and Amazon.ca. Either way, the levels will be calibrated properly. You don’t need to point the meter at each speaker during the tones; in fact, you should avoid doing this. Cannot find an available input when connecting several digital devices. –Vince Maskeeper-Tennant, Brett McLaughlin. You'll have accurate frequency response, good dialogue intelligibility, and tight, powerful bass. Speaker levels being modified. Just imagine: no frustrating trial and error process and better yet, no expensive appointments with installation experts. Obviously, the first and last choices are the easiest. Simply measure the distance from your ear to each speaker when you're sitting at the listening position and enter the distances in the setup menu. Most good-quality receivers and surround processors let you choose different frequencies as a crossover point. I suggest you run AccuEQ to calibrate your system. The goal of calibrating the audio system in your home theater is to get a smooth, even frequency response at the primary listening position. You also want the correct sounds to arrive at your ears at the correct times. Using a Test Disc The really cool thing about the Rives disc is that it has tones that are Shack compensated. Don’t continue to change the master volume on your receiver or preamplifier because this will change the output level from the first speaker tested, skewing your setup. First, you have to get everything assembled and connected correctly. I like Digital Video Essentials because it has a plethora of audio and video test patterns. The first thing you'll typically see is a list where you can set the number of speakers in your system and the size of each. In my receiver, Denon x1400h, in the surround parameter settings page I can adjust the subwoofer level again. Reduce the level on the equalizer at the trouble frequencies until the response is as smooth as you can make it at your listening position. All rights reserved. A smart collection of insider tips and tricks, Home Theater Hacks covers home theater installation from start to finish, purchase to experience. Your subwoofer is specifically designed to handle these lowest notes, and, chances are, if you picked a good one, it'll do a better job with low bass than your other speakers. Your email address will not be published. Once you’ve reached this level of volume, you are done with your master volume. Advertisement. Do your cables and audio components require burn-in? They already include equalization to compensate for the variations in the RadioShack meter's response. Hack #63 from Home Theater Hacks by Brett McLaughlin (O’Reilly Media). Some of the most important factors that affect the final performance of your theater are room acoustics, seating location, speaker placement, and the amount of ambient sound.
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