15" RS Driver - Suggestions for Amp & Cabinet?

[steveskarda]

I would like to build my own DIY subwoofer and take advantage of the current sale on the 15" RS series drivers and Dayton amps. I will use the sub for both home theater and music in a room that is 30'X15' Would you recommend:

1). High fidelity or high output? (15" RS Series)
2). 240W, 500W, or 1000W amplifer (I am hoping 500 will be adquate given my budget). I assume you'd recommend Dayton over Bash given its your amp, not to mention the 20% off sale?
3). What size cabinet? I plan to build it myself so assume sealed is the easiet diy project. I might consider a Dayton cabinet given that they are on sale and I live 20 min from Springboro so I don't have to pay shipping.

btw, I was out of town during the tent sale so I missed the specials. I stopped in a day early on my way out of town hoping to make a deal but was told it was one day only deal. :( Fortunately for me, the current sales aren't that far off from tent sale pricing.

Thanks for your help!

[bogie]

The HF look like they want a larger cabinet, but look nice for sealed... If your ol' lady won't kill you, I'd go for two of 'em, with a Behringer EP1500 or 2500 amp... This may be the new "get the po-po called" bang for the buck combination...

> I would like to build my own DIY subwoofer
> and take advantage of the current sale on
> the 15" RS series drivers and Dayton
> amps. I will use the sub for both home
> theater and music in a room that is 30'X15'
> Would you recommend:

> 1). High fidelity or high output? (15"
> RS Series)
> 2). 240W, 500W, or 1000W amplifer (I am
> hoping 500 will be adquate given my budget).
> I assume you'd recommend Dayton over Bash
> given its your amp, not to mention the 20%
> off sale?
> 3). What size cabinet? I plan to build it
> myself so assume sealed is the easiet diy
> project. I might consider a Dayton cabinet
> given that they are on sale and I live 20
> min from Springboro so I don't have to pay
> shipping.

> btw, I was out of town during the tent sale
> so I missed the specials. I stopped in a day
> early on my way out of town hoping to make a
> deal but was told it was one day only deal.
> :( Fortunately for me, the current sales
> aren't that far off from tent sale pricing.

> Thanks for your help!

[kenbrew]

I agree, two subs with proper placement is a must in my opinion and HAA. Two will smooth the bass tremendously at your listening position. Proper placement of one sub ends up somewhere around 1/3 into the room and not as smooth. Corner placement excites all room modes and creates very uneven bass. I got the Dayton 1000W amps mainly because it has a parametric EQ which can do wonders for a sub design. If you are using WinISD add the EQ and play around with the response by changing all 3 parameters (freq, gain, Q).

> The HF look like they want a larger cabinet,
> but look nice for sealed... If your ol' lady
> won't kill you, I'd go for two of 'em, with
> a Behringer EP1500 or 2500 amp... This may
> be the new "get the po-po called"
> bang for the buck combination...

[Chris Roemer]

> I agree, two subs with proper placement is a
> must in my opinion and HAA. Two will smooth
> the bass tremendously at your listening
> position. Proper placement of one sub ends
> up somewhere around 1/3 into the room and
> not as smooth. Corner placement excites all
> room modes and creates very uneven bass. I
> got the Dayton 1000W amps mainly because it
> has a parametric EQ which can do wonders for
> a sub design. If you are using WinISD add
> the EQ and play around with the response by
> changing all 3 parameters (freq, gain, Q).

I like the 15HO in about 3 cf vented with the BASH 500 w amp.

I'd go 17.75" square top and bottom, and 23" tall to be able to fit in TWO 3"d x 19" port tubes. The ports can vent out the bottom (or the top). Mid 20s, no problem.

Chris

[preiter]

I just build a sub using the HF version of the 15" and the 300W Bash amp.

Your first choice is the box configuration, sealed or ported are the easiest to implement.

<A HREF="http://www.diysubwoofers.org/">http://www.diysubwoofers.org/</A> has good info on the plusses and minuses of different box types.

WinISD will help you determine box size and port size/configuration.

I went with a sealed configuration, 5.2 cu ft. It's a monster, weighs over 100 pounds and goes plenty deep and loud for music. I'm very happy with how it turned out.

[Wolf]

> I just build a sub using the HF version of
> the 15" and the 300W Bash amp.

> I went with a sealed configuration, 5.2 cu
> ft. It's a monster, weighs over 100 pounds
> and goes plenty deep and loud for music. I'm
> very happy with how it turned out.

Is the 300W enough power? Have you done HT with it? Test out "U-571" and let us know!
Later,
Wolf

[preiter]

> Is the 300W enough power? Have you done HT
> with it? Test out "U-571" and let
> us know!
> Later,
> Wolf

300W is plenty to keep up with my 50W Gainclone amp driving the mains. I built it solely for music, not HT. That's why I went sealed, tighter bass for music, but it doesn't go as low as a ported box.

I'd post a pic, but it's not very interesting. A big ugly, unfinished MDF box. I plan to hide it behind the couch.

[rpb]

I built mine 4 cu-ft sealed with the HO. The box also has a port, so I can switch back and forth. Overall I like the sealed slightly better. For a really loud movie, the port adds a little protection from over excursion. So far I have used it with a 150 watt amp with good results.