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Honest Experience on Effects of Subwoofer Please

I have read countless of threads on people’s experiences with subwoofers but am still confused. Although I don’t have any experience with high quality music subwoofers, I have been using a decent sub in my audio system for the past 18 years or so. The sub went in and out of the systems and various rooms throughout the years as I was not convinced if the sub was contributing anything to the system. At times I felt I could hear an improvement and at other times I thought the sub wasn’t doing anything. If I bump up the volume and crossover frequency on the sub to hear a larger impact, it’s overly done.

I am aware that a proper set up and/or quality of subwoofer is crucial to ensure a successful implementation of the sub(s) in a system. Let’s just assume that everything is done properly.

To cut to the chase, do people hear a small or appreciable difference with subwoofers, or it’s a big night and day difference? I know everyone’s expectations are different but I’m reading different opinions and experiences on this forum. For the first time in 15 years, I am considering a sub upgrade and have been in communication with the sub maker and dealer. I just wanted to get a clearer picture on the situation.

So, coming back to the question, just two questions;

1. Do people hear a small or appreciable difference with subwoofers, or it’s a big night and day difference?

2 Do subwoofers just fill up the missing deep bass below say 40Hz or 35Hz where the main speakers won’t reproduce, or they will also augment the mid bass and upper bass by producing a punchier sound with better kick, heft and dynamics? The drums or kick drums are usually in the region of the midbass and upper bass, not low bass.

Posts like the one below taken from another thread make me confused.

 

ryder
james633
889 posts
 

Subs are night and day better for me. They saved me a lot of money because I stopped shopping for larger speakers just to get better bass.

My honest and straightforward opinion. Subs without a high pass crossover are a detriment to the music. They add timing issues and cancelations. Subs with a highpass filter in the chairs is night and day better. No going back. Everything is better and I mean everything.

you can also add processing (DSP) to the subs without hurting the clarity of the mids and highs.

ryder OP
1,682 posts
 

Thanks for the post. I have found my endgame speakers which happen to be standmounts. All the gear can be considered as endgame without any planned upgrades in the foreseeable future, except the subwoofer which is considered to be outclassed by the rest of the components. Hence the planned sub upgrade.

I suppose REL subs implement the high pass crossover or filter.

deadhead1000's avatar
deadhead1000
705 posts
 

…”At times I felt I could hear an improvement and at other times I thought the sub wasn’t doing anything”….the trick is to not notice the sub, at least until you turn it off and then realize it’s making a huge difference. If you can tell you have a sub on, then it’s not set up correctly, as you say, overly done. It can also be  a mix-match with your main speakers or too large for your room size. So getting some experienced person to help is well worth it. Getting one with DSP is also very helpful. Hope my experience helps. 

mapman's avatar
mapman
21,838 posts
 

Use a sound meter or sound meter app on a cell phone to measure and find out exactly what is going on with a sub. It’s the only way to really know.  It doesn’t matter what other people think or experience.  Each case is different. 

edcyn
1,876 posts
 

1.  Appreciable and welcome but certainly not day and night. It makes the music both bigger in size and more relaxed. It helps give support to the mids and highs, especially when it comes to orchestral recordings. The lows add presence and punch. For reasons I can't quite explain, the lows lend the sound more three-dimensionality.

2.  All my sub does is give me the deep, deep frequencies. And not even the very bottom ones, I think 25hz is about where it peters out. .

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