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#134493 - 04/04/06 10:25 PM What would you do with a 325 Watt Amp?
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4421
Loc: Marion, IA
Let me ask a "hypothetical" question...

Let's say that you have in your possession an extra amp. Say, as an example, a 325 Watt amp from an SVS PCi 20-39 subwoofer.

What cool project would you use it for that wouldn't cost a lot of money?


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#134494 - 04/05/06 12:04 PM Re: What would you do with a 325 Watt Amp?
BruceH Offline
devotee

Registered: 07/12/05
Posts: 353
Loc: Western Canada (just)
I'd build a light-weight hover subwoofer that could float over ground. The frequency would be increased to allow the unit to settle to the ground. ALthough it may require extra amps and subwoofers for stability control.

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#134495 - 04/05/06 12:48 PM Re: What would you do with a 325 Watt Amp?
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8271
Loc: Tacoma
Two things come to mind since we're talking about a mono amp instead of a stereo amp, albeit one with lots of headroom.

First, DIY subwoofer, especially a stealthy, infinite baffle thing. Build it into the closet, floor or ceiling, throw a grate over it, and you'd have the benefit of additional subwoofer capacity and linearity for the cost of a couple drivers and plywood.

Second, distributed multi-zone mono audio. Combine the stereo signal at the line level, feed it to the amp and send it to 2-4 ceiling-mounted or outdoor speakers in places where you'd like to have some music but don't care too much about imaging.

These may not be technically viable suggestions. I'm just riffing from a user point of view. You'd need somebody smarter than me to ensure proof of concept on the technical architecture.

I do like Bruce's hoverwoofer idea, though. How about some combination subwoofer and robotic vacuum cleaner - the Boomba.

Good luck with that.
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#134496 - 04/05/06 01:37 PM Re: What would you do with a 325 Watt Amp?
spiffnme Offline
axiomite

Registered: 04/01/03
Posts: 5214
Loc: Los Angeles
Ebay



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#134497 - 04/05/06 02:00 PM Re: What would you do with a 325 Watt Amp?
mace Offline
buff

Registered: 04/11/04
Posts: 57
Loc: Go Sooners!
Buy the Parts Express RSS315HF-12, 295-464, subwoofer driver. Build a 2.5f^3 sealed cabinet. This will give you a very nice, musical sub that should extend to about 25Hz. with room gain. This driver has some of the lowest distortion numbers out there:)
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#134498 - 04/05/06 02:45 PM Re: What would you do with a 325 Watt Amp?
BrenR Offline
connoisseur

Registered: 12/10/03
Posts: 3602
Loc: Winnipeg MB Canada
In reply to:

combination subwoofer and robotic vacuum cleaner - the Boomba


Somedays, Tom, I'm surprised by your eloquence. Days like today, you give me a good laugh. That was great.

Bren R.

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#134499 - 04/05/06 02:49 PM Re: What would you do with a 325 Watt Amp?
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8271
Loc: Tacoma
I keep telling people that "easily amused" is a virtue
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#215214 - 07/14/08 01:24 PM Re: What would you do with a 325 Watt Amp? [Re: tomtuttle]
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4421
Loc: Marion, IA
Revising an old thread.

After visiting Sirquack's theater, I want, no NEED, a second subwoofer to help smooth out the bass in my theater. I was thinking about building something into the chaise lounge part of the custom seating in my theater, and I have the above mentioned 325 watt amp. So I looked at mace's post above and check out the 12" subwoofer driver he mentioned. I know that the size of the enclosure is important, etc, etc, but the driver is rated for 400 watts RMS, and the amp has the following specs 325 Watt Bash Amp.

Wouldn't I need a "less power hungry" 12" sub driver to work with the 325 watt amp? Thanks!
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M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

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#215268 - 07/14/08 10:43 PM Re: What would you do with a 325 Watt Amp? [Re: nickbuol]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10372
Nick, it's unclear why you referred to that driver as "power hungry"; the spec sheet shows that it has a pretty typical sensitivity of 86dB 1watt/meter. The power that it can handle without going up in smoke is supposedly 400 watts, but that doesn't mean that it won't work well with far less, certainly the 325 watt amp that you're proposing.
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#215274 - 07/14/08 11:35 PM Re: What would you do with a 325 Watt Amp? [Re: JohnK]
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4421
Loc: Marion, IA
See, that is why I am asking. I knew that someone here would know more about DIY'ing this more than me. Thanks.
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M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

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