A great deal of emphasis will, and should be, placed on quality appropriate to your space. There is a lot of focus here on getting the most quality for your money. High dollar also doesn't mean 'high quality'. It's worth noting that you may want to always ask first before purchase and not make any assumptions based upon what you may be told elsewhere. But, it is one of the better things to do to come to forums like the ones here at Audioholics to ask questions for clarification. There are also places, like YouTube which will have some good general videos like how to connect speakers to a subwoofer, or around a room. This is exactly where we all started out at, so the questions will be answered here. Speaker Level – Is the signal level coming out of an amplifier that goes directly to a speaker.Ĭlick to expand.You asked some good questions. Some more expensive AVRs do have Pre Amp output jacks for all the audio channels, allowing you to use the AVR as a pre amp for external amplifiers. In very expensive audio systems, the Pre Amp and Amps are separate boxes connected by the usual audio interconnect cables with RCA plug terminals. In most receivers, the Pre Amp and Amp sections are contained in the same chassis. The differences between Line and Pre Amp level voltages are close enough so they can often be interchanged without trouble. They also get moderately boosted by the pre amp section of a receiver. Pre Amp Level – Line level signals adjusted by volume and tone controls of the pre amp section of a receiver. For the most part, any line level source can be plugged into any line level input jack on an AVR. Line Level – The voltage level coming out a typical sound source, such as a CD/DVD/BR player, FM tuner, tape recorder, TV, etc. For convenience, these different signal levels are divided up into several ranges: The signals coming from a microphone or phonograph pick up are very low, and the voltage levels coming from a receiver's amp section are boosted high enough to drive speakers. Now if I fed a normal line level signal (from say a blu ray player's analog outputs)into the same multi channel inputs of the second reciever the sound is what I would term normal and amplifies properly and its suffciently loud at at -30db.In order for me to get that level of volume with Preouts, I have to raise volumes in both recievers significantly.Click to expand.Yes, 'line in' on a subwoofer and "Pre Out' or 'Preamp Out" on your AV receiver are meant to be connected to each other.Īny audio system makes use of a wide range of signal voltage levels. Here is what I am trying to do - take a few channels, split the signal (to line level) two ways and apply a crossover so now I have line level signals for High, Mid/Low) and then pass those two channels to another reciever I have which will amplify each channel and so I can feed my tweeter and midwoofer individually amplified speaker level outputs.Īs a test I simply connected my preout to the multi channel in of the second reciever and the sound was very low and I had to raise it in the first reciever (which i am essentially using as a DAC and processor) and also raise the volume on my second reciever to well past 0dB to hear a decent volume.
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