Roskilde 2011 soundbox

vANGiEEE · 27th April 2011, 12:53 PM

Hey guys.

We are building a new soundbox for Roskilde 2011, after living with the old system for some time.

In that regard we are trying to use a amplifier from 41hz instead of the standard build with a shitty car audiosystem. We could use any advice and guidelines in regard of this, if anyone out there knows a things or two.

We have theese goals with the build:

Play loud.
Longest possible battery life.
Uphold a decent quality soundwise.

We are currently talking about using this build, what are your thoughts about it?

Amp9-Basic
41Hz Audio:AMP9-BASIC

SKY-7493W
Væghøjtaler

Powered by a 12V car battery and using a ipod as input.

Will that work out?
What are the pro/cons?
How long do you think it will last?
Would the Amp6-basic be a better choice and why?

Any ideas or suggenstions towards making this build better are very welcome... Thanks in advance guys...

Phaedras · 27th April 2011, 01:14 PM

Wow dude, did you really miss the 117 page long thread right at the top of this forum with answers to all your questions?

The Boominator

Anyways, the speakers you've chosen won't play very loud.. But seriously, take the time to read the above mentioned thread and you'll know pretty much anything you'll need. .If there are still questions, you're welcome to join the thread and ask

vANGiEEE · 27th April 2011, 03:18 PM

I just failed to find a talk about AMP9 vs. AMP6, but i'll read it once more

Saturnus · 27th April 2011, 03:47 PM

There's absolutely no difference in output between the amp9b and amp6b when they're both supplied with 12V. And those speakers you mention are 89dB/w/m @ 8 ohm. That's pretty much the same as a low sensitive home stereo speakers, ie. they'll not play loud.

vANGiEEE · 27th April 2011, 03:49 PM

Oh thanks - im kinda a newb when it comes to speakers and output, so im only looking at W and nothing else

So whenever I spot a couple of speakers playing 100W I assume thats better than a couple playing 75W

vANGiEEE · 27th April 2011, 03:50 PM

Would you recommend the Amp6-basic in my case? Or are the similar "easy" setups that can be used just as well?

janneman · 27th April 2011, 04:03 PM

Quote:

Originally Posted by vANGiEEE

Oh thanks - im kinda a newb when it comes to speakers and output, so im only looking at W and nothing else

So whenever I spot a couple of speakers playing 100W I assume thats better than a couple playing 75W

Take home: the 'wattage' of a speaker is nothing more than the power they can take before disintegrating. It doesn't say how loud they are.

The efficiency like "90dB per Watt at 1 m distance" (90dB/W/m) says how loud they play with a certain power from the power amp.
In your case, you're loooking for high efficiency.

jan didden

vANGiEEE · 27th April 2011, 04:18 PM

So theese also used by Saturnus in his boombox project would be a FAR better choice?

P.audio HP-10W - Ljudia - Multimedia Hemelektronik Karaoke PA anläggning DJ utrustning Ljus utrustning

Cyberzim · 28th April 2011, 11:30 PM

Some more information about what size you think the boom box should be and how much money you are willing to spend on it would be helpful.
I would recommend that you for example use two pairs of high efficient full tones speakers and connect them in series to reduce the load but still having a great sensitivity. And a tweeter at each channel could improve the production of upper frequencies.

Regards,

Simon H.A.

27th April 2011, 12:53 PM	#1
vANGiEEE diyAudio Member Join Date: Jan 2011	Roskilde 2011 soundbox Hey guys. We are building a new soundbox for Roskilde 2011, after living with the old system for some time. In that regard we are trying to use a amplifier from 41hz instead of the standard build with a shitty car audiosystem. We could use any advice and guidelines in regard of this, if anyone out there knows a things or two. We have theese goals with the build: Play loud. Longest possible battery life. Uphold a decent quality soundwise. We are currently talking about using this build, what are your thoughts about it? Amp9-Basic 41Hz Audio:AMP9-BASIC SKY-7493W Væghøjtaler Powered by a 12V car battery and using a ipod as input. Will that work out? What are the pro/cons? How long do you think it will last? Would the Amp6-basic be a better choice and why? Any ideas or suggenstions towards making this build better are very welcome... Thanks in advance guys...

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27th April 2011, 01:14 PM	#2
Phaedras diyAudio Member Join Date: Jul 2010 Location: Kolding, Denmark	Wow dude, did you really miss the 117 page long thread right at the top of this forum with answers to all your questions? The Boominator Anyways, the speakers you've chosen won't play very loud.. But seriously, take the time to read the above mentioned thread and you'll know pretty much anything you'll need. .If there are still questions, you're welcome to join the thread and ask

27th April 2011, 03:18 PM	#3
vANGiEEE diyAudio Member Join Date: Jan 2011	I just failed to find a talk about AMP9 vs. AMP6, but i'll read it once more

27th April 2011, 03:47 PM	#4
Saturnus diyAudio Member Join Date: Jun 2005 Location: Copenhagen, Denmark	There's absolutely no difference in output between the amp9b and amp6b when they're both supplied with 12V. And those speakers you mention are 89dB/w/m @ 8 ohm. That's pretty much the same as a low sensitive home stereo speakers, ie. they'll not play loud.

27th April 2011, 03:49 PM	#5
vANGiEEE diyAudio Member Join Date: Jan 2011	Oh thanks - im kinda a newb when it comes to speakers and output, so im only looking at W and nothing else So whenever I spot a couple of speakers playing 100W I assume thats better than a couple playing 75W

27th April 2011, 03:50 PM	#6
vANGiEEE diyAudio Member Join Date: Jan 2011	Would you recommend the Amp6-basic in my case? Or are the similar "easy" setups that can be used just as well?

27th April 2011, 04:18 PM	#8
vANGiEEE diyAudio Member Join Date: Jan 2011	So theese also used by Saturnus in his boombox project would be a FAR better choice? P.audio HP-10W - Ljudia - Multimedia Hemelektronik Karaoke PA anläggning DJ utrustning Ljus utrustning

28th April 2011, 11:30 PM	#9
Cyberzim diyAudio Member Join Date: Apr 2009 Location: Gentofte	Some more information about what size you think the boom box should be and how much money you are willing to spend on it would be helpful. I would recommend that you for example use two pairs of high efficient full tones speakers and connect them in series to reduce the load but still having a great sensitivity. And a tweeter at each channel could improve the production of upper frequencies. Regards, Simon H.A.

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