Quick Answer: What Is LFE Input?

Which way should a subwoofer face home theater?

Here is the short answer.

For the best sound quality, the subwoofer should be placed with the speaker facing out to the room, and the port should be away from a wall.

Bass waves travel in all directions, but it’s important to have the speaker facing your main listening area..

Is 40 Hz low enough?

below 40 hz? yes, quite necessary. below 30 is where it gets less important. 30-45ish would be what most would consider real subbass….you may not hear it with a standard computer speaker setup, but you roll off anything below 50, there will be something noticeably missing on the dancefloor.

What is LFE mix level?

LFE MIX – controls the level of the discrete LFE (. … They are used in conjunction to ensure that the discrete LFE track is played back at the same level as any bass from the redirection circuitry.

Is LFE digital or analog?

Dolby Digital’s LFE channel carries additional bass information from 120 Hz on down. This is not a roll-off but a digital brick wall (i.e., no 121 Hz info), so the content is usually rolled off by the sound engineer starting around 80 Hz for a smoother blend.

Is LFE the same as subwoofer out?

The difference between the LFE channel and the subwoofer output is that the LFE channel is used to carry additional bass information in the Dolby Digital program while the subwoofer output represents how some or all of the bass information will be reproduced.

What should LPF for LFE be set at?

This is the high frequency cutoff point for the LFE, also known as the . 1 channel in a 5.1/6.1/7.1 surround source. In practice this should always be set to 120Hz since the LFE channel supports information up to that frequency.

Why do subwoofers have 2 inputs?

Dual input allows the subwoofer an extra sensitivity adjustment. Normally, it would be enough to use a mono LFE subwoofer signal from its processor. If you have a processor with very low output so you can use a Y-splitter. By using both inputs with the same mono signal doubles the subwoofer sensitivity.

What is a good crossover frequency?

What is the recommended crossover frequency for a subwoofer? For THX Certified and non THX Certified home theater systems, 80 Hz is the recommended setting. However, you can set the crossover (LPF) between 80 Hz – 120 Hz based on which setting sounds best for your system.

How do you set a low pass filter on a subwoofer?

As a general rule, the Low-Pass Filter should be set at a value approximately equal to (or below) 70% of your main speaker’s lowest frequency response. For example, your speaker’s frequency response goes down to 43Hz. 70% of 43Hz equals 30.1, so you should set the subwoofer’s low pass filter to 30Hz.

Is LFE the same as RCA?

More often than not, a subwoofer will use a singular LFE (low-frequency effects) input cable to connect with its receiver. However, another method is using the left and right inputs (RCA connectors) in which low frequencies are sent through the right and left channels.

What is LFE output?

LFE (Low Frequency Effect) – The discrete content sent to the subwoofer from a Dolby or DTS encoded audio track. ( The .1 in a 5.1 or 7.1 audio track) LFE + Main – The low frequencies output to the Subwoofer whether the speaker channels are set to Large or Small.

How do I connect my LFE subwoofer?

For the signal, use a subwoofer cable to connect your receiver’s subwoofer output to the LFE (low frequency effect) input on the sub. Many stereo receivers and amps also have subwoofer outputs for these connections.

Should I use Audyssey Dynamic EQ?

Dynamic EQ is dreadful and shouldn’t be used. If you want a bit more bass,up your subs gain by a few db.

What is the best setting for subwoofer?

Tips for Setting the Proper Crossover Frequency of a SubwooferOn-wall or Tiny ‘satellite’ speakers: 150-200 Hz.Small center, surround, bookshelf: 100-120 Hz.Mid-size center, surround, bookshelf: 80-100 Hz.Large center, surround and bookshelf: 60-80 Hz.Very large center, surround, bookshelf: 40-60 Hz.Tower speakers with 4”-6” woofers: 60 Hz.More items…

Should I use LFE subwoofer?

You should use the LFE/. 1 input any time a REL subwoofer is being used in a Home Theater system. The Subwoofer/LFE/. 1 output from the processor or receiver should be connected to the .

What is LPF frequency?

For example, LPF (sometimes referred to as LP) refers to Low Pass Frequencies and is used for subwoofers designed to play only the lowest notes. HPF (sometimes referred to as HP) refers to High Pass Frequencies and is used for speakers and tweeters.

What should LFE be set at?

The LPF for LFE is the low pass filter setting for the LFE channel. Normally this is set to 120 Hz, since that is typically the upper limit used by DVD mixing engineers.”

What is LFE setting on subwoofer?

LFE: This stands for Low Frequency Effect and is a the dedicated “. 1” channel in a 5.1 or 7.1 surround mix. … Both or LFE+Main: Most systems have a mode whereby the bass frequencies below the AV receiver’s crossover point are sent to both the subwoofer and the main speakers.