Play audio through the preamp that has the full range of sound you’d expect your average listening experience to be. In all likelihood, this will require a pair of RCA cables. You know that pop that speakers make when you plug something in while they’re on? If you make a purchase through links from this website, we may get a small share of the sale from Amazon and other similar affiliate programs. Your email address will not be published. The problem you’ll run into is that a home theater sound system is designed for movies and shows, not music. Now that you have the volume all the way down on the preamp, you are ready to power on your receiver. Required fields are marked *. There are, however, situations in which using an external preamp will be necessary. Before you turn on your AV receiver, it is essential that you turn your preamp volume all the way down or risk damaging your speakers or your hearing. Even though your AV receiver already has a built-in preamp, there are certain conditions where hooking up an external preamp to your AV receiver might be necessary. One last thing you may need to do is to individually adjust the output volume of your audio sources so that they play at the same level when you switch audio channels. You can definitely do this, but there are some major things to consider. This will usually give you a better tone and gain for music than those designed for home theater systems. A preamp takes a weak high impedance signal and converts it to a noise-tolerant low impedance signal sufficient for further processing. This doesn’t require you to unplug anything. If you need to use a preamp but your AV receiver doesn’t let you bypass it, that doesn’t necessarily mean you should upgrade to a pricier AV receiver. Otherwise, you should be good to go! If you reach this point and still don’t like the sound, you may want to try adjusting the preamp’s EQ settings. With all of your audio devices plugged into the preamp, plug the preamp’s Output or Phono Out directly into the AV receiver’s HT Bypass or Direct In. Okay, so you have a preamp that you need to hook up to your AV receiver. This will also ensure that you get the proper stereo mix music is recorded in, rather than trying to mash it onto a 3.x system or higher. Connecting a preamp to your AV receiver isn’t hard if your receiver has a HT Bypass or Direct In input. Too much gain will make the sound distorted, so watch out. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. So let’s say you want your home theater system to double as your listening room. Actually, if you’re reading an article about preamps, you probably are an audiophile. Instead, you can pair your preamp with the device it was designed to deal with, a power amplifier. You just want to make sure your speakers aren’t on when you’re setting things up. Hi! I began working for an Audio/Video installation company years ago and realized my passion for Home Theaters! In particular, if you have a stereo signal with no volume control that you’re trying to play through your 3.x or higher surround sound system. For this reason, if you want to hook up an external preamp to one of these devices, you will need to find a way to bypass the internal preamp. The Home Theater DIY is a place for me to share my different findings and experiences about home theaters and home electronics. If Total Score is 0-4, you can probably get away with your current A/V receiver amp section. Gain has a similar effect to volume, except that whereas volume controls the loudness of the output signal, gain strengthens the loudness of the input signal before being processed by the preamp. How to Connect a Preamp to an AV Receiver - Step by Step w/ Pictures. It is important that you do not try to plug a preamp into a regular input because it will force the AV receiver’s preamp to deal with more voltage than it is designed to handle. Although this is fairly straightforward, there are some precautions you will need to take to avoid blowing out your sound system or damaging your hearing. Hooking up a preamp to your AV receiver is pretty simple if your receiver has the capability: For the most part, a preamp is unnecessary if you have an AV receiver. You can read our complete legal information for more details. However, there are some very basic steps you will need to follow in setting up your system to avoid damaging either your speakers or your hearing. The first thing you’ll want to do is to turn all of your audio equipment off, especially your AV receiver. With the music playing, slowly adjust your preamp’s volume until you reach a comfortable listening level. Add up the points from each column of the above table to find your Total Score. The preamplifier provides a degree of voltage gain to make it resistant to interference. Most audio-producing devices come equipped with a preamp from your AV receiver to guitar amplifiers to televisions. Even though your AV receiver already has a built-in preamp, there are certain conditions where hooking up an external preamp to your AV receiver might be necessary. AV receivers already have built-in preamps that handle the volume, EQ, and gain, and many are not outfitted to accept an external preamp. For the most part, it is only the high-end AV receivers that do. In either of these scenarios, you will need to get an external preamp to hook into your AV receiver. It is highly recommended that if you have the capability, you should plug any music playing devices through an external preamp designed for audio rather than video. receiver will not be calibrated for music, connect a preamp into an integrated amplifier. Your email address will not be published. However, there are some rare instances where an external preamp may not be your best option, but your only option. So whatever you send through the HT Bypass or Direct In will come out of your speakers at the full volume that goes into it. First, of AV receivers that have an HT Bypass or Direct In, most only have one, so if you are looking to hook up more than one audio source, you will need the multi-channel capability of a preamp. There are a number of instances where a preamp might come into play here. TheHomeTheaterDIY.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. For more information, check out my about me page! Preamplifiers condition electrical sound signals so they can be further processed and amplified by a power amplifier, which adds current gain, allowing it to drive loudspeakers. If the sound is scratchy or thin, it may mean you need to adjust the preamp’s gain. I’m Jonah. Turn your equipment off every time you are plugging and unplugging. Second, if your audio source doesn’t have an internal volume control, you will need a preamp, since the HT Bypass or Direct In powers the signal at full volume because part of bypassing the AV receiver’s internal preamp means bypassing its volume conditioning stage. For this reason, some high-end AV receivers have an HT Bypass or Direct In input that bypasses the AV receiver’s internal preamp and powers the signal directly as it is. If you were to hook an external preamplifier directly into any of these you’d likely have to turn the volume on the device way down to compensate and might get some audio distortion due to the extra gain. To adjust the gain, turn your volume down slightly, and adjust your gain up slightly until it’s back at a comfortable listening level, and repeat until you get a sound you like. 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