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Size of Room / Sub

slowhand

Standard Member
Hello, completely new to this, so need a bit of advice please.

As yet I don't have any 'kit' but am planning to go for Tosh 520 DVD, Yamaha RXV630RDS and a Mission speaker set-up (M73 / M7C2 / M7DS).

My question is about the choice of sub. Do I need to consider the size, shape, (construction even) of the room. It's rectangular, 18ft x 12ft, floating wooden floor on concrete, and on the 1st floor. I just want to make sure I don't get too many pictures shaking off the walls upstairs/downstairs !?!
Could the positioning of the sub have an impact too, or am I worrying unnecessarily ?

Many thanks
 
U

UglyKidJoe

Guest
this is quite a relevant question.

I'm about ready to get my 1st sub to beef up my ststem, so if anyone can give a quick bit of advice on the Hz thing and room size it would be great.

Luckily if have a big lounge, and I dig bass. The room is 25' x 15', does this mean a 20Hz capable sub or nothing at all?
 

Nimby

Distinguished Member
You can put any subwoofer into any room.

A large and powerful sub can be adjusted to nicely match the speaker output.

It will still play deep and powerful sounding bass with low distortion and lots of headroom.

"Headroom" simply means something can play louder but only when when required.
Most of the time the subwoofer will just be just cruising along without drawing attention to itself.
Only on the very loud bits will it suddenly show it has muscle.
This adds excitement on films and extra wallop on music.

A small sub will struggle in anything but a small room.

A small sub won't play very loud in a large room and will quickly run out of steam on the loud bits.

So it will produce lots of distortion and will be in real danger of damaging itself if you turn it up to compensate for its lack of power on films.

With a small sub films will be boring and so will music.

The lower you want a sub to play the harder it is for a small subwoofer to keep up.

The louder you want a sub to play the harder it is for a small subwoofer to keep up.

The larger the room the more difficult it is for any subwoofer to keep up.

So, if you want low and loud in a larger room then look for a large and powerful subwoofer.

Never be afraid to use a big powerful subwoofer in a smaller room.
It will handle everything you throw at it without losing breath.
It won't deafen you because you will have carefully matched it to your speaker output so the bass sounds balanced.
It won't ever sound worse than a small sub.

Don't use a small sub in a larger room. You will be disappointed.
 

Weidass

Standard Member
I Second what nimby said.

Thats why my sub is in my bedroom. (9' x 9') L shape
 

ziplex

Novice Member
Nimby said:
You can put any subwoofer into any room.

A large and powerful sub can be adjusted to nicely match the speaker output.

It will still play deep and powerful sounding bass with low distortion and lots of headroom.

"Headroom" simply means something can play louder but only when when required.
Most of the time the subwoofer will just be just cruising along without drawing attention to itself.
Only on the very loud bits will it suddenly show it has muscle.
This adds excitement on films and extra wallop on music.

A small sub will struggle in anything but a small room.

A small sub won't play very loud in a large room and will quickly run out of steam on the loud bits.

So it will produce lots of distortion and will be in real danger of damaging itself if you turn it up to compensate for its lack of power on films.

With a small sub films will be boring and so will music.

The lower you want a sub to play the harder it is for a small subwoofer to keep up.

The louder you want a sub to play the harder it is for a small subwoofer to keep up.

The larger the room the more difficult it is for any subwoofer to keep up.

So, if you want low and loud in a larger room then look for a large and powerful subwoofer.

Never be afraid to use a big powerful subwoofer in a smaller room.
It will handle everything you throw at it without losing breath.
It won't deafen you because you will have carefully matched it to your speaker output so the bass sounds balanced.
It won't ever sound worse than a small sub.

Don't use a small sub in a larger room. You will be disappointed.
That helps, ta for this simplified explanation.........i've quite a large room and was getting close to ordering the XLS200 but with what i've read and various members upgrading i'm more inclined to think i'll be ordering the Monolith, as i've stated before not necessarily for volume alone.
 

LFCRules

Novice Member
Great summary Nimby :thumbsup:

I'd already taken the choice, even thought I have an average room size (6x3m), to go big with my next purchase. My current B&W ASW1000 is an ok sub, gives good bass when pushed, but is getting on a bit, maybe 7 years old, and at 125w amp, could be classed as a bit small :D although, as we know, big amps don't always mean big sound, but it helps ;)

So been down to my local dealer today, and he's going to sort out a demo in a few weeks getting in a B&W750 (1Kw, sealed box) and comparing against a M&K 350 (350w, ported). I looking forward to hearing what a really good sub sounds like, and comparing the 2 subs.

Having read some opinions on the sub forum so far on both, it will be a tricky choice, but a bass filled one :smashin:
 

ziplex

Novice Member
It's difficult isn't it:) .........i've been down the upgrade route for years with various,....cars, cameras, hi-fi/home cinema, fishing rods! etc, etc. the list goes on. Still it's all good fun. Good luck with the demo by the way, I hope it'll blow you away:thumbsup: !
 

Crustyloafer

Distinguished Member
Weidass said:
I Second what nimby said.

Thats why my sub is in my bedroom. (9' x 9') L shape
I'll third what Nimby said. The pictures in my link below show my subwoofer which can comfortable drive to most volumes in my room size (3.6m x 4.7m)
 

AngelEyes

Distinguished Member
I'll fourth Nimby but with less underlining! :D
 

Nimby

Distinguished Member
AngelEyes said:
I'll fourth Nimby but with less underlining! :D
There is method in underling madness. When you scan you only need to read the underlined bits to quickly find the sub-context. :)

(Like headings but less formal)
 
J

jackal

Guest
LFCRules said:
Well, demo is scheduled for Friday now. B&W 750 against M&K 350, let the battle commence :D
If you want any info on the ASW750 LFC, just PM me, I recently bought one and I am VERY happy with it!
 

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