im using two 4 channel amps and a dsp. In other states where we don't collect sales tax, it may be the customer's responsibility to assure that all appropriate state use taxes are paid. Our Amplifier FAQ answers many common questions like: How can I add an amp to my system? Power on your amplifiers and verify that both amplifiers are on the correct input (your audio source for the primary amplifier and the analog input for the secondary amplifier). Knowing which model headphones you’re using lets us remove any sonic coloring from your experience. With this setup you will have one amplifier manage the woofer of your sound system and the other amplifier manage the mid and tweeter range. Besides, bumping the voltage from 12V while off to 13.8V while running has no effect on the receiver's output or amp's input sensitivity, only the amp's output level. Set your receiver's tone or EQ controls, its balance, and its fade to their middle, off, or flat positions. Pay close attention to the "crossover area", the parts of the music played by both the full-range speakers and your subwoofer. For Tech Support, call Maybe you have an old amplifier lying around and want to make use of it, or you have a separate subwoofer which you would like to power with its own amplifier. Just a great company, top to bottom. The other amplifier powers a set of component speakers in the front of the car (with the signal first passing through the speakers’ passive crossovers) and a pair of coaxial speakers in the rear of the car. SpeakerCompare simulates the sound of home and car speakers through your headphones. A mono, or one-channel, amplifier can power a single speaker, and is often used to add a subwoofer. Generally, amplifiers for your car stereo are categorized by the number of channels they’re designed to power. However, adding any EQ or bass boost will necessitate re-setting the gain. Please advise why you would fade when setting gains. I've always had my expectations met with the Crutchfield family. and mobile security (car alarms and remote start) … Engaging a high-pass filter later will not hurt the gain setting. Before you acquire an amplifier remember that there are two main classifications of car amplifiers. What size fuse and power wire? Case 3: 1 Two channel amplifier, 1 subwoofer: Below image shows the wiring diagram for connecting an amplifier with one subwoofer. John, You'll want to quiet the rear speakers when setting the gain for the front channels and quiet the front speakers when setting the gain for the rear channels because you'll want to hear what's going on clearly. Topics range from basic system installation (head units, amplifiers, speakers, etc.) I've been tinkering with electronics ever since I was a kid - starting with taking apart and putting back together televisions and radios. I worked in my high school's stage crew, running sound, lights, and a movie projector. Upgrading to Full Version of Dirac Live Room Correction for NAD, Connecting a Subwoofer to an amp with no subwoofer out. I have read a lot of posts that say the gains can be set with the ignition in ACC initially but to dial them in it should be running. I've purchased from Crutchfield several times. Crutchfield will get you on the fast track to big bass with this simple guide. by Crutchfield's Smooth any roughness by fine-tuning the filters. Billy, If you know for a fact that the receiver doesn't distort at full volume - like you measured it with an oscilloscope - you can go ahead and set amp gain with the receiver on full. If you no longer wish to receive the call, please click the button to cancel your request. I am very pleased with the arrival time of my car stereo, very easy website to maneuver, and a quick fast checkout. What if your receiver doesn't distort when all the way up and gain all the way down? But performance in the real world is affected by the acoustics of your car or home, your choice of amplification, and your source material. I've never heard of anyone setting amp gain while the engine is running - too much noise and fumes. I'm kinda going nuts trying to figure it out. Attempting to use an amplifier at an unstable load will damage the amp. In an actual listening room, you'd find that some speakers play louder than others when fed the same amount of power. Alpine PDR-V75 5 Channel Amp. Service is great & everything arrives safe and on time. This article assumes you have no test equipment, like a tone generator or oscilloscope, and so describes gain-setting using music. From the amplifier, an amplified audio signal (the solid black line) goes to each speaker in the system — one amplifier powers a subwoofer. 1-HPF or LPF ,should be engaged on amps ?? If the vocals sound boomy, tune the high-pass filters higher. Set Master/Slave switch to Master. But if you’re reading this before you’ve chosen the two-channel amplifier needed to drive your system, you have an important decision to make. It sounds great but I don't know if I have the gains set to optimize the amp. Thoughts? Excellent and informative site with expert product reps. Crutchfield has always delivered! Crutchfield is the 1st place I go when I need or want something. The Car Audio Help DVD catalog includes five different videos covering many areas of car audio installation and custom fabrication. Your music will sound cleaner, louder, and just plain better than you ever thought possible. Return your receiver's fade control to its original position. Add a Bi-Amp Setup, even Higher Output Speakers, and even Higher Output Subs. This guide will help you choose the right amplifier for your car's sound system. Do you keep receiver all the way up and start increasing the gains until distort or stick to the 3/4 rule on receiver? Completed our thorough in-house Advisor training, learning about the ins and outs of our various products, Stays up-to-date by attending vendor training sessions for new products, Earned MECP (Mobile Electronics Certified Professional) certification, Designed and organized Crutchfield's subwoofer wiring diagrams, Authored dozens of Crutchfield articles and hundreds of product presentations, primarily focused on car audio amplifiers and pro audio gear, Answers the many customer questions posted in the comments on his articles, Semi-retired soundman with decades of experience making other people sound good, From 1999 to 2018, also worked as a sidelines video camera grip for University of Virginia football and basketball games. To help you choose the right speakers, we recommend using Crutchfield’s SpeakerCompare Listening Kit. Hello everyone in the name of trying to stay somewhat budget minded I was wondering what everyone's take on these two options were. I have tried helping folks before and figured I would simply make this post that I could send them to for reference, rather than keep replying over and over with the same info. Do you go for an integrated amplifier or separate pre/power boxes? You'll want to hear the unfiltered response to catch any distortion caused by clipping. This is how I'd tune it up: Take your time and tune it all for your own ears and you will never go wrong. quick question, why do you set the gains for speakers with HPF off instead of turning on the high pass filter first and then setting gains? Our customers were recording studios, nightclubs, and touring bands. For this how-to, I’m going to use the DC Audio 7.5k. There are many reasons you might want to connect two amplifiers to your stereo or home theater system. On the amp, for the front speakers, I can select full or hpf. There are two possible scenarios that can be affected by this higher current draw: You want to run your stereo for long periods with the engine off. (If you don't hear any music at all, try turning the amp's front gain control up slightly until you do.) Crutchfield: Audio, video, and more. Larger, multiple amp systems are even a bigger drain on your electrical system, in many cases depleting the system's current capacity thereby lowering the voltage far enough that it cannot properly supply the amplifier… Crutchfield is servicemark of Crutchfield Corporation. Building a Stereo System. Amplifier Setup: Gain Setting-1. 1-888-292-2575. Connect the first amplifier to the top binding posts of your left and right speaker. We still believe that the gold standard for auditioning speakers is hearing them in your own environment — that’s why we offer a 60-day money-back guarantee. If you use more than one, they'll interact disruptively causing distortion. 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