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Old 06-01-12, 02:11 AM   #1
didgeridoo
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Default Powering my Busking Equipment - Help Needed?

Hi all, I could really use your knowledge and help please?

I am after a power supply to run these items with a 12v car battery pack and inverter.

Can anyone let me know what size inverter I would need for approx 3 hours busking?

This is my set-up
1 X Mixing desk ( to plug mics, instruments, iphone and other things into ) 240v

1 X Boss GT10B Pedal - Power Supply 240v to DC 9V (AC Adaptor: Roland PSB-1U) - Current Draw - 800 mA

1 X Boss RC300 - Power Supply 240v to DC 9V (AC adaptor) - Current Draw - Maximum 320 mA (DC 9 V)

1 x Roland Micro Cube 240v to DC 9V

1 X Behringer B300, 300 watt powered speaker 240v

1 X small Asus Laptop 240v


I appreciate that I will need to use a 6 gang plug from the inverter aswell!


Can anyone with the knowledge offer help as regards powering this lot above please for busking?


# Also is it possible to use a car jump start pack as a battery power pack to power this lot with an inverter?


Thanks
D
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Old 06-01-12, 06:24 AM   #2
Chance
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Are you playing a didge on the street? If so, why do you even need all the other stuff?

Last edited by Chance; 06-01-12 at 06:44 PM.
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Old 06-01-12, 09:36 AM   #3
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Because I want to play many other sounds along with the didgeridoo and make all types of music
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Old 06-01-12, 02:08 PM   #4
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In San Francisco, except for a couple places at the Wharf, such a set up would be run off the street! Loudness isn't much tolerated around here. Dunno what it's like in other towns, though...
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Old 06-01-12, 06:43 PM   #5
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Quote:
Originally Posted by didgeridoo View Post
Because I want to play many other sounds along with the didgeridoo and make all types of music
Start small and work your way up once you know your way around. Hitting the bricks with a rig like that right off the bat is asking for trouble in more ways than one.
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Old 06-02-12, 03:20 AM   #6
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Quote:
Originally Posted by Chance View Post
Start small and work your way up once you know your way around. Hitting the bricks with a rig like that right off the bat is asking for trouble in more ways than one.
Yeah, as soon as I saw the 300 watt power amplifier I'm thinking that if someone were to set up shop with one of those on the streets of San Francisco, they'd have a cop busting them within about 10 minutes.
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Old 06-03-12, 06:44 AM   #7
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Hi peeps, thanks for the replies but none actually answer or help with the original question!

If its easier forget about the 300w speaker as I can utilise the micro cube, but the pedals are important and are staying

So, can someone now offer constructive powering help?
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Old 06-03-12, 12:21 PM   #8
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Default i was going threw same problem

I was looking at process also for years.. due to wanted to work more street for myself, rather then have to have electricity, 12 volt is the way but 12 volt and mobile, I'm not sure...
That is one of the reasons I have formatted and restructured all to pan, 4 years now trying to get dream instrument from Halo but an SPB or Nobuya's pan from Metal art ... I can Mic these up if I have to for street, so why I still wait I was given a Tounge drum from Zen Tambour, and playing with Cirque frends using that a wind and string for future street....
I always loved your instrument...but I am at a loss for 12volt my friend at this time but I will ask some other people I know that might be more help...
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Old 06-03-12, 03:03 PM   #9
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Quote:
Originally Posted by didgeridoo View Post
Hi peeps, thanks for the replies but none actually answer or help with the original question!

If its easier forget about the 300w speaker as I can utilise the micro cube, but the pedals are important and are staying

So, can someone now offer constructive powering help?
Power in watts = current in amps times voltage. So, multiply the various milliamps (mA) you have by the voltage. Add those results together, add 20% for margin (because you don't want your inverter running at 100% capacity, and there you go.
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Old 06-03-12, 03:14 PM   #10
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Quote:
Originally Posted by davidkaye View Post
Power in watts = current in amps times voltage. So, multiply the various milliamps (mA) you have by the voltage. Add those results together, add 20% for margin (because you don't want your inverter running at 100% capacity, and there you go.
Since you're doing everything at 240 volts, add up all the amps (milliamps times 1000). Since you want watts at 12 volts since that's what your inverter is using, you'd have to multiply your result in amps by 20 to get the amps at 12 volts. Multiply that by 1.2 (120%) and you have a reasonable answer.
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Old 06-04-12, 07:44 AM   #11
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Thanks so far peeps!

A friend has lent me a thing that clips onto my electric meter that shows me how much electric im using ( or drawing ) so once thats attached and powered up later this week I will upload the power results so that some of you bright sparks can let me know how many amps the battery will need etc

I might also buy a 12v 4-6 channel mixer as that way I can power everything in 12v, my only concern then is powering the laptop?
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Old 06-04-12, 08:28 AM   #12
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ANYONE USED ONE OF THESE???

AND WILL IT BE OK ON 12V?


Edirol M-10MX Specification:

•Number of Channels: 10 in 2 out
•AD Conversion: Sample Rate: 44.1/48.0/96.0 kHz
•Signal Processing: 24 bits
•Frequency Response: 96.0 kHz: 20 Hz to 40 kHz (+1/-2 dB), 48.0 kHz: 20 Hz to 22 kHz (+1/-2 dB), 44.1 kHz: 20 Hz to 20 kHz (+1/-2 dB)
•Residual Noise Level: -86 dBu (IHF-A, typ.)
•Nominal Input Level:
Input Jacks 1–6: -50 to +4 dBu
Input Jacks 1–2: -40 to +10 dBu
Input Jacks 5–10: -2 dBu
•Maximum input level: Nominal input level + 12 dB
•Nominal Output Level: -2 dBu
•Maximum output level: +10 dBu
•Input Jacks 1–6: 1/4 inch phone type, unbalanced
•Input Jacks 1–2: Stereo miniature type, plug-in powered
•Input Jacks 5–10: RCA pin type
•Main Output Jacks L, R: 1/4 inch TRS phone type (impedance balanced), RCA pin type
•Digital Output Connectors: Optical type, Coaxial type
•Headphone Jack: Stereo miniature type
•DC IN (AC adaptor) Jack
•Power Supply: DC 9 V (AC adaptor), Alkaline dry battery LR6 (AA) type x 4
•Current Draw: 250 mA (Expected battery life under continuous use: Alkaline: 6 hours (Power save mode: On), 4 hours (Power save mode: Off). These figures will vary depending on the actual conditions of use)
•Dimensions: 181.2 (W) x 107.5 (D) x 54.0 (H) mm, 7-3/16 (W) x 4-1/4 (D) x 2-1/8 (H) inches
•Weight: 393 g / 14 oz
•Accessories: Owner’s Manual, AC Adaptor, Ferrite Core


OR ONE OF THESE?

BEHRINGER XENYX 1002B 10 CHANNEL MIXING DESK

Below are the full specifications for this product:

■HTFR Catalogue ID: MR299543
■10 channel analogue mixing desk
■5 x xlr inputs
■8 x 6.3mm (1/4") jack inputs (2 x mono, 6 x stereo)
■2 x xenyx mic pre-amps with +48v phantom power
■2 track input / output
■3 band 'british' channel eq
■Channel pan controls
■Monitor level control
■Fx send level control
■Led clip level indicators
■Led level / pfl signal monitoring
■6.3mm headphone outputs
■2 x 6.3mm (1/4") master outputs
■External psu included
■Optional battery powered operation (batteries not included)

■Weight : 4.10kg
■Height : 28cm x Width : 14cm x Depth : 42cm
■Warranty : 12 Months
■Power : Battery Operated (Not Included)

i THINK THE bEHRINGER HAS TO BE THE BEST?

What are your thoughts reader???
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Old 06-04-12, 03:55 PM   #13
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Quote:
Originally Posted by didgeridoo View Post
ANYONE USED ONE OF THESE???

AND WILL IT BE OK ON 12V?

What are your thoughts reader???
What you're proposing is for the stage, not for the street. When people see street music they want something simple and primitive. That's what it's all about. I've seen the hats of the one guy who runs power amps and mixers at Fisherman's Wharf in SF. He's actually in a good spot after being chased away from other places. He gets a small crowd but not much in tips. They just gawk at his equipment and shake a little to his beats, but that's it. Most of the tourists just walk right by him.
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Old 06-05-12, 02:19 AM   #14
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I think you would be best advised to go with the M-10MX, because it's list of specs looks longer. Glad I could help.
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Old 06-05-12, 02:10 PM   #15
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There are quite a few issues with the Edirol M-10MX unit according to users and the Behringer has better opperating things to better control the sounds I think?
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