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Topic with many replies

The inflation of massive homemade truck-battery driven audio systems


Author Message
Written on: 06.07.2011 00:47
The Juice
Posts: 19
Sjanten:

How about those of us who would just prefer things to be the way they were in, say 2009 or 2010? The ones who absolutely love the idea of being able to go completely apeshit in the camping area in the day, evening and night time and still be able to go to bed at maybe 4 or 5 once in a while? Do you honestly think it's fair that we get crowded out of the more popular areas because it's impossible to get any sleep there if the morning raves continue past 12 or 1 pm? I have no doubt in mind that the anarchy and excessively loud music at crazy hours in the morning is only going to get worse since more and more people are brining more and more gear to keep themselves - and worse, everybody else - awake for as long as possible, unless some kind of action is taken to counteract the problem.

Why should me and my friends move to an accoustic hippie designated area when we have had the times of our lives camping in C the past two years and G the two years before that. Don't you think it's unfair only to accomodate the super-ravers and the hippies? Because, personally, I think Roskilde should accomodate as many people as possible without spoiling it for others.
Written on: 06.07.2011 09:09
Manowar
Posts: 11
"Loud and messy area"

Yes, I like that idea. Place it in the gravelpit or another place far away icon_biggrin.gif

I really dont understand why people have to play so loud all day and night - the orange feeling/spirit is about enjoying ourselves and each other. There is too much egotistical thinking these days.
Written on: 06.07.2011 10:36
Saturnus
Posts: 2556
I really dislike the idea of dedicated areas for one or the other thing. Loud and messy? and acoustic? Those areas are basically already there, and we all know where they are. The closer to the entrances, the louder and messier, and the further away the quieter.

But I think this discussion have gone off track really. If Roskilde want to impose any rule about loudness beyond those already in place, something simple as you're restricted to moderate volumes between 6 and 12 AM. Moderate defined as you being able to talk with eachother in the camp without straining your voice and having to turn the volume down to hear eachother.

Something I have noticed is that when you finally get to the music days after partying for 4 days and nights is that your voice is already strained, I account that to having to talk so loud all the time. It's really noticeable if you take a walk through the Silent & Clean area. Suddenly you realize that you're talking really loud because you have to in your camp. That means that when the bands start playing you have a hard time give them your best, you really want to roar at the bands between songs but your voice is already at the limit and it just becomes a quiet wimper instead. That's really a shame.
Written on: 06.07.2011 11:20
Top Secret Identity
Posts: 2115
I stayed at Quiet and Clean this year. What a refreshing experience! Will certainly do that again.

Now I can decide for myself when and where I want to party, and when I need rest I head back to my camp.

But I wont recommend it though.... icon_wink.gif
Written on: 06.07.2011 12:55
Sjanten
Posts: 18
The Juice wrote:

Sjanten:

How about those of us who would just prefer things to be the way they were in, say 2009 or 2010? The ones who absolutely love the idea of being able to go completely apeshit in the camping area in the day, evening and night time and still be able to go to bed at maybe 4 or 5 once in a while? Do you honestly think it's fair that we get crowded out of the more popular areas because it's impossible to get any sleep there if the morning raves continue past 12 or 1 pm? I have no doubt in mind that the anarchy and excessively loud music at crazy hours in the morning is only going to get worse since more and more people are brining more and more gear to keep themselves - and worse, everybody else - awake for as long as possible, unless some kind of action is taken to counteract the problem.


I think your view is very negative... I saw nothing this year that was worse than 2009 or 2010, you must have had a really bad experience this year...

However I cannot see how you can have your cake and eat it, why should you be alloved to go abeshit, at the time that suits you, while imposing restrictions on others? However I do understand that a neighbouring camp partying a 0500 might be very annoying though...

Wether or not it is fair, well, it's not fair that after having camped in E for 7 (yes, SEVEN) consecutive years we were forced to camp at the very bottom of P, in spite having people in que and having the right entrance bookings, but we lived with it, none the less, and had a great festival too.
Of course I do not think that the festival should only cater to those you call super-ravers etc., but again, you must have had a very unpleasant experience this year... Having camped in E, from before Van Damme, Orange and Promille moved there, and having moved to P this year, I must say that I did not see the ravers you speak of, on the contrary, the other camps seemed much quieter this year than they did in 2010 or 2009 icon_smile.gif

To use my own camp as an example; we have not played loud music past 0330 at any time this festival, and have even kept music etc. turned off an entire day and night. We usually don't start playing music until the afternoon...


Saturnus suggestion seems either not restrictive enough, or just off time wise, 6AM is very late/early, I don't think a noise limit imposed after 6AM would benefit those wanting to sleep in order to be fresh to see the next days concerts, after all, your tent will be very hot at 6AM if the sun shines...
Written on: 06.07.2011 13:08
Saturnus
Posts: 2556
Sjanten wrote:
Saturnus suggestion seems either not restrictive enough, or just off time wise, 6AM is very late/early, I don't think a noise limit imposed after 6AM would benefit those wanting to sleep in order to be fresh to see the next days concerts, after all, your tent will be very hot at 6AM if the sun shines...


There is in principle already a loudness limit built into the camp codex, so this was just to suggest a time frame where you really had to play at moderate levels which is livable for all parties. Many of the younger people would love to party until and after dawn even if it means it has to be at lower levels than before midnight. Imposing a easy to remember rule about being relatively quiet starting at 6 AM was (as everything in this thread) just a suggestion for a workable solution.

From noon to midnight, you can "go to eleven"
From midnight to morning, you can "party responsably"
From morning to noon, you must be "considerate"

Easy to remember and fair to almost everyone.

[This article was edited 1 times, at last 06.07.2011 at 13:13.]
Written on: 06.07.2011 14:28
Sjanten
Posts: 18
True, and as I wrote in first post in this thread, it all comes down to respect, respect your neighbours, respect the festival volunteers, respect the Festival! When you realize that you and your camp are not alone in creating the Roskilde festival, and that without the rest, it would not be what you seek, you tend to be more considerate!
We have turned it down on several occasions, because somebody came and asked...
Written on: 06.07.2011 15:01
The Juice
Posts: 19
However I cannot see how you can have your cake and eat it, why should you be alloved to go abeshit, at the time that suits you, while imposing restrictions on others? However I do understand that a neighbouring camp partying a 0500 might be very annoying though...

Wether or not it is fair, well, it's not fair that after having camped in E for 7 (yes, SEVEN) consecutive years we were forced to camp at the very bottom of P, in spite having people in que and having the right entrance bookings, but we lived with it, none the less, and had a great festival too.
Of course I do not think that the festival should only cater to those you call super-ravers etc., but again, you must have had a very unpleasant experience this year... Having camped in E, from before Van Damme, Orange and Promille moved there, and having moved to P this year, I must say that I did not see the ravers you speak of, on the contrary, the other camps seemed much quieter this year than they did in 2010 or 2009 icon_smile.gif


So you lived in P and didn't see any of the stuff I'm talking about? Go figure...

I'm not talking about having my cake and eating it too. I'm proposing rules that apply to everybody, not just me or my camp. I can hardly see the problem of wanting to party in the more respectable hours of the night and wanting to go to bed eventually. Going apeshit is obviously a figure of speach - I had a cast on my right arm this year and my apeshitting was in fact very moderate compared to previous years.

Van Damme Camp are a prime example of what I'm talking about. I was at their final party on either tuesday or wednesday, where they shut off the music at exactly 4 am. That way people get to party and go nuts until pretty late and their nabours still get a chance to sleep for more than three hours. I would not be complaining if everybody else followed their example, which unfortunately was not the case.

[This article was edited 1 times, at last 06.07.2011 at 15:04.]
Written on: 08.07.2011 02:41
chr kors
Posts: 48
Around 4am everyone my camp was so wasted each day, that the party automatically shut ifself down to a 'normal' volume level.

Even though we had a massive stereo in my camp (2x15'' 400watt speakers, 2x175watts amp) we didnt try to enforce our music on every camp next to us.
We always had the stereo playing in our face (unlike our neighbouring camp), when you have your stereo playing in the direction your sitting yourself, the volume level wont exceed what is appropriate for that given time of the day.

Our neighbours liked to crank there insanely shitty souding stereo up to max, and then face it away from their own camp, right in the direction of my camp. This meant that we often had to ask them to turn down the volume because it distorted the music coming from our own stereo.. Sometimes I felt like being undiplomatic and pull my stereo into their camp and crank it up - just to show them who was the boss icon_smile.gif
Written on: 08.07.2011 12:00
AP
Posts: 62
I have nothing against these sound systems per se, but I have something against the coked up techno retards and naïve high school kids who play the same shit techno or dubstep from dusk till dawn, and from dawn till dusk, every day, and preferrably at full volume, with the stereo facing away from their camp. You know what? Fuck you. Why shouldn't we be able to talk in our camp, listen to chilled out music at reasonable volume, and sleep for at least a few hours every night?

Only a complete moron would think that playing non-music like Loca People (seriously, somebody ban this fucking song!) or 99% of dubstep songs 20 times a day at that kind of volume is cool. But like the author of this thread says, if Roskilde Festival does nothing to counter this, the problem will simply become worse, and eventually lead people to do battle against one another.

Our camp has decided that should some pill popper camp happen to set up next to us and blast their shitty techno at us day and night at insane volume, we will simply wait until they have fallen asleep and gotten 20 minutes of sleep, then roll up our own sound system right in front of their camp, and blast some brutal death metal or grindcore or something at them at full volume for a few hours. Sounds fair, right?

Could one way of limiting this be to set an age limit of 18 for the festival?

[This article was edited 3 times, at last 08.07.2011 at 15:46.]
Written on: 08.07.2011 14:53
EmilMark
Posts: 763
I don't think the guests over 18 are worse than the young ones..
I think one of the big influenses on the problem is the festival it self. They should stop margeting "the orange feeling" and focus on what THEY have to offer (the music) instead. "the orange feeling" is what goes on at the camping area, and is created by the audience based on guidelines set by the festival. Because the festival is focusing on the "feeling" they atrackt a lot of people who only wanna party to the loud music from their homebuild audio systems..


[This article was edited 1 times, at last 08.07.2011 at 18:09.]
Written on: 08.07.2011 15:06
Saturnus
Posts: 2556
EmilMark wrote:
(the music, red)



LOL

Written on: 08.07.2011 18:11
EmilMark
Posts: 763
Saturnus wrote:


LOL



yup, that was a fuck up.. but this ---> http://gaffa.dk/nyhed/50965 , this is kinda what i meen..
Written on: 11.07.2011 10:36
Ace > The Coffin Camp
Posts: 395
Hello!

I think some of you will be pleased about what I'm about to tell you.
As much as I love my Coffin Blaster, it has lead to so many problems.
First of all, it's too big.
It was alot of fun having it, but our parties this year were somewhat of a failiure.
Partly because we at the last minute had to get a new amp (in the qua actually!).
This lead to a much higher power consumption that we initially had planned for.
This again lead to us not beeing able to play for our camp during the daytime.
We lost alot of our camp-bonding not beeing able to chill with our daytime music, and the neighbours complained about some of the music being played over and over, since all they heard was our party music.
Another thing was that once we had our parties, the crowd grew big, and then the crappy new amp overheated, and we had to wait a little while to continue. This way, we lost alot of the people there to party.
So we're going back to basics icon_smile.gif

I remember a time. Back in 2007.
I built a stereo, just for fun, so that we could listen to music in the camp, and dance a little at night. It was small, we actually travelled by boat and train the whole way, and had no problem bringing the stereo with us using public transport.

This year, our driver bailed at the last minute, as a result we had to get a moving truck to move the coffin to the ferry, check it in at the ferry, once in copenhagen, we had to get another moving truck to get it all the way to the festival. and the same hassle going home.
Fuck that shit! haha!

We're sort of rebuilding the Coffin Blaster 1.0
Or somewhere between the Coffin Blaster 1.0 and the Coffin Blaster 2.0
A stereo big enough for our camp, and to throw some small parties.
This way we can still go on tour, but we don't run people over, and one person can pull it alone.
We'll get alot more of our camp-bonding back, and we'll be able to play all day long at a nice volume.
And as Saturnus has proved, time and time again, you don't need a huge box to output loads of sound. So we're gonna step it down, and focus on the cam again.
The 3 year run we have had with the Coffin Blaster 2.0 and 3.0 has been great, but now we want a stereo that just works, and never runs out of power.
We got two huge solar panels, and we'll be able to do what we once did. Have a nice Roskilde experience, with our closest friends icon_smile.gif
And if Johnny is stil down to help us, we'll get a nice little Coffin Blaster Compact, that gives us what we need, without bothering everyone else icon_smile.gif

I still support Johnny sugestion on banning regular car batteries, and force everyone to reconsider their loud speakers, for a more efficient and green alternative, as we are.
Written on: 14.07.2011 15:57
Alex Langberg
Posts: 7
Ahhh, I was wondering why the coffin stopped playing at quite regular intervals. I thought you were changing iPods or something. Which was kind of weird, since you guys had a mixer. Then it makes sense. Btw, I was the long-haired dude who came by to ask about batteries and a soldering iron. icon_smile.gif

Perhaps we should organize some kind of wireless system, maybe using in-ear-monitoring systems like this. I think that's what they use for the bike and skate systems where multiple smaller stereos are linked to a single DJ. For instance, I'm very much into stereo backpacks, like the one I brought this year. Being able to link multiple, smaller, portable stereos would make it possible to just go somewhere where you don't disturb people as much. So, instead of having many camps with huge stereos constantly disturbing the neighbors , you could maybe have a bunch of camps with smaller stereos that can be linked wirelessly when you want to throw a bigger party. Then the coffin could act like a base station with a DJ, for instance. 10 portable stereos moving around while playing the same music would be epic. icon_biggrin.gif

Btw, did you actually get to run somebody over? Sometimes we were wondering how the coffin was moving so fast. icon_eek.gif
Written on: 14.07.2011 16:16
Saturnus
Posts: 2556
The Coffin Camp will use some sort of wireless system next year. I'm currently looking into different configurations.

The best is a 2.4GHz wireless digital audio system. A transmitter costs roughly DKK250 and each reciever costs roughly DKK100. It's completely lossless so audio quality is impeccable and range is 40-100m, and several systems can co-exist as there's 16 channels to choose from (if one system enters other systems range, they will automatically negotiate and one will switch channel).

The low cost version is FM transmitter system. A transmitter costs roughly DKK100 and receivers can be anything that can receive FM radio. I also saw a box of 20 micro FM receivers on ebay for DKK500 total. Audio quality is so-so and subject to interference, and range is a mere 10-15m.

Written on: 14.07.2011 18:34
Alex Langberg
Posts: 7
Saturnus wrote:

The Coffin Camp will use some sort of wireless system next year. I'm currently looking into different configurations.

The best is a 2.4GHz wireless digital audio system. A transmitter costs roughly DKK250 and each reciever costs roughly DKK100. It's completely lossless so audio quality is impeccable and range is 40-100m, and several systems can co-exist as there's 16 channels to choose from (if one system enters other systems range, they will automatically negotiate and one will switch channel).

The low cost version is FM transmitter system. A transmitter costs roughly DKK100 and receivers can be anything that can receive FM radio. I also saw a box of 20 micro FM receivers on ebay for DKK500 total. Audio quality is so-so and subject to interference, and range is a mere 10-15m.


I played around with FM transmitters too, with the same result. I don't think the quality and range is good enough to consider for this kind of use. It's quite audible when you compare to wires.

Bluetooth is kind of lame. Quality is quite ok but the range is pretty useless I think. Only works with a single receiver.

Then there's the EMU Pipeline which is a bit expensive but seems to have nice quality. However, the range is down to 15m.

In-ear monitor systems seem like a solution for having multiple receivers at long range. I haven't heard the quality and it is quite expensive to dish out at least 1400 DKK for a transmitter+receiver and an additional 700 DKK pr. receiver. icon_rolleyes.gif

Where do you get such a cheap 2.4Ghz system? And can it transmit to several receivers at the same time?

[This article was edited 1 times, at last 14.07.2011 at 18:35.]
Written on: 14.07.2011 19:22
Saturnus
Posts: 2556
Alex Langberg wrote:
Where do you get such a cheap 2.4Ghz system? And can it transmit to several receivers at the same time?


Ebay. Note: Extra passive receivers not shown, you have to inquire for them to bundle more receivers.

All 2.4GHz systems in principle works with eachother regardless of brand as it's just based on the available channels instead, here it should be noted that some systems only have 12 channels to choose from while others have the full 16 channels.

So it doesn't matter what receiver and transmitter you have, any receiver can receive from any transmitter in range. And you can have an unlimited amount of receivers to receive for any single transmitter.

At least that's how it should work but as I said, we're going to have to test it first.

[This article was edited 1 times, at last 14.07.2011 at 19:35.]
Written on: 14.07.2011 21:12
Alex Langberg
Posts: 7
Wow, those are small! And they hardly use any power at all. If the quality and range really is as good as they say, that would be really cool. Then that would certainly be the best solution! It would be pretty cool to built them into small boxes with e.g. 4 rechargable AA batteries or USB for power and a minijack. icon_smile.gif
Written on: 14.07.2011 21:21
Saturnus
Posts: 2556
They're actually small enough that they might fit into a cigarette lighter plug directly. Now that would be awesome.
Written on: 15.07.2011 11:05
Ace > The Coffin Camp
Posts: 395
Alex Langberg wrote:
...

Yeah we barely pulled it of with the overheated amp. The main problem were the people in our camp! They just couldn't help themselves from turning the volume too high. I told them over and over, "as long as the volume stays under this dott, it won't overheat", but they wanted more volume. haha

Saturnus came up with the suggestion you had, about a week ago! So random!
And I love the idea! And something that I think is one of the coolest parts about this, we can build small casings for the recievers. So if a neighbouring camp wants to combine the parties, all we need to do is hand them a reciever with a female minijack hole, and they can plug it in to their system just like it was an ipod! Makes it really easy to share music icon_smile.gif

And yeah, remember you! There were A LOT of people by our camp for help. Everything from fuses to cable shoes, but you were the only one asking for a soldering iron! haha! We were supposed to bring one, but didn't icon_razz.gif

Saturnus wrote:
...

HOLY SHIT! These are small, low power consumption and really nice price! This is perfect! haha!
I'm tempted to just order them right away. But is there any way to test them before buying?
Another cool thing I just thought about: I don't have to stand by the coffin to change the music! icon_smile.gif
Just bring the transmitter and ipod in my pocket and cruise around!



[This article was edited 2 times, at last 15.07.2011 at 11:15.]
Written on: 15.07.2011 17:37
Alex Langberg
Posts: 7
Ace > The Coffin Camp wrote:

Alex Langberg wrote:
...

Yeah we barely pulled it of with the overheated amp. The main problem were the people in our camp! They just couldn't help themselves from turning the volume too high. I told them over and over, "as long as the volume stays under this dott, it won't overheat", but they wanted more volume. haha

Saturnus came up with the suggestion you had, about a week ago! So random!
And I love the idea! And something that I think is one of the coolest parts about this, we can build small casings for the recievers. So if a neighbouring camp wants to combine the parties, all we need to do is hand them a reciever with a female minijack hole, and they can plug it in to their system just like it was an ipod! Makes it really easy to share music icon_smile.gif

I think it's an awesome idea. Especially since a really good way to avoid complaints from neighbors is to simply let them borrow your stereo for their own music once in a while. It's also a great way to get to talk to the camps around you. At the price of those transmitters and receivers, it would be possible to bring a good bunch to hand out. You could connect like the 10 nearest camps and just switch which camp gets to have the transmitter, once in a while. Then you also discover new music. The parties would be really cool I think. icon_biggrin.gif

I also wonder how much of a delay those transmitters have. If it is short enough, you could go really crazy and even spread out bridges by combining receivers with transmitters. Then it could have unlimited range. icon_lol.gif

Ace > The Coffin Camp wrote:

And yeah, remember you! There were A LOT of people by our camp for help. Everything from fuses to cable shoes, but you were the only one asking for a soldering iron! haha! We were supposed to bring one, but didn't icon_razz.gif

Quite brave of you to not bring one of those with such a stereo! Next year I'll certainly bring a gas soldering iron. Btw, my father lives a 10 minute drive from the festival so if you ever need any bigger tools for emergency repairs while at Roskilde, let me know - he has quite a lot. It's not always easy when you come all the way from Norway! icon_eek.gif
Written on: 22.07.2011 14:15
Saturnus
Posts: 2556
In research for the new Coffin Blaster, aka uCoffin, I've assembled this battery comparison chart.

xls chart

Here's the batteries that are compared:

Starting battery. Price in link excludes delivery. Price is for 1, 2 is needed.
Comsumption battery. Price in link excludes delivery.
Gel Cell Battery.
Lithium-Ion Battery. Price in link excludes 5% customs and 25% Danish VAT. Price is for 1, 4 is needed.
LiFeYPO4 Battery. Price in link excludes 20% Czech VAT. Price is for 1, 4 is needed.

I'll let you draw your own conclusions icon_biggrin.gif Suffice to say is that Ace is naturally going with LiFeYPO4 batteries for obvious reasons.

[This article was edited 1 times, at last 22.07.2011 at 14:29.]
Written on: 07.08.2011 23:02
Alex Langberg
Posts: 7
Nice comparison! It's funny to see how different those batteries are and how the high price of LiFePO4 is certainly worth the high price if you intend to use the batteries for a long time!

The batteries from ev-power with built-in protection circuits in SLA-sizes are certainly interesting for my backpack projects also. Does the protection function as a charge controller? For instance, they write in the specs for the 12V 7Ah that the recommended charge rate is less than 3A. Does this mean that you could just connect e.g. a normal 12V 1A power adaptor instead of having to go for a dedicated SLA charger? It looks like the protection automatically stops the charging when the voltage is high enough.

Also, how well would these play with solar panels? I can see in the specs that the protection will cut off the battery if charged with more than 14.6V. As far as I remember, solar panels usually go far beyond this. Will the battery be able to pull down the voltage like a normal SLA battery, before the protection cuts it off? Otherwise things might get complicated. :s

I have no idea if anybody can actually answer all this, but it would be nice to know for future projects. icon_smile.gif
Written on: 30.01.2012 22:29
Twellmann
Posts: 7
HOLY THREAD REVIVAL BATMAN...

Those LiFeYPO4's sure look interesting icon_biggrin.gif

Am I to understand that the uCoffin will need 60Ah? No solar power?

How about charging... It seems that they can be charged with a high C, very nice icon_biggrin.gif


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