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Author Topic: External powering for SXM2?  (Read 7075 times)

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Offline Nick Graham

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External powering for SXM2?
« on: July 17, 2005, 03:11:49 PM »
Anybody know of an external battery source for the Sonosax, either SLA or L-ION? I've done a few serarches, but just keep coming up with more questions and no real answers.

Has anyone successfully powered one using the Wal-Mart lithium 9v?

Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline fozzy

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Re: External powering for SXM2?
« Reply #1 on: July 17, 2005, 05:58:18 PM »
you got ricks lemosax right?

I ran it via 12v 4.5ah SLA w/ 4pin > adaptaplug B.  The adaptaplug was about a 90% fit(needs to be a few mm longer) so i secured it w/ some gaffers tape to secure it.  I figure it would run for a few days w/ that SLA.
MK 4V > KCY 250/5 Ig (KS 10I)  > VST62IUg > 722

Offline Nick Graham

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Re: External powering for SXM2?
« Reply #2 on: July 17, 2005, 06:19:37 PM »
you got ricks lemosax right?

I ran it via 12v 4.5ah SLA w/ 4pin > adaptaplug B. The adaptaplug was about a 90% fit(needs to be a few mm longer) so i secured it w/ some gaffers tape to secure it. I figure it would run for a few days w/ that SLA.

Yep, it's Rick's old Sax.

I was kinda worried it'd need a 12v SLA. I had a 12v V2 briefly, and lugging that SLA was a PITA.

Thanks (and +T) for the help.
Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline fozzy

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Re: External powering for SXM2?
« Reply #3 on: July 17, 2005, 07:37:18 PM »
yea the SLA sucks.  maybe look into a li-ion battery w/ a boost circuit.  I think it likes 12-24V

MK 4V > KCY 250/5 Ig (KS 10I)  > VST62IUg > 722

Offline F.O.Bean

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Re: External powering for SXM2?
« Reply #4 on: July 17, 2005, 09:28:04 PM »
they do make 12v rc packs, NIMH preferred

check www.batteryspace.com
Schoeps MK 4V & MK 41V ->
Schoeps 250/0 KCY's (x2) ->
Naiant +60v/Low Noise PFA's (x2) ->
DarkTrain Right Angle Stubby XLR's (x3) ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 64gb Ultra Plus SDXC-I

http://www.archive.org/bookmarks/diskobean
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Offline leegeddy

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Re: External powering for SXM2?
« Reply #5 on: July 17, 2005, 10:09:51 PM »
Anybody know of an external battery source for the Sonosax, either SLA or L-ION? I've done a few serarches, but just keep coming up with more questions and no real answers.

Has anyone successfully powered one using the Wal-Mart lithium 9v?


nick;

you can run it off 2x 9v lithium batteries. i'm building dwonk a powersupply for his sax.

two 9v is waaay lighter than a 12v sla, too.

marc
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"Mics? What mics? This is my hat."

Offline neumannkid

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Re: External powering for SXM2?
« Reply #6 on: July 22, 2005, 10:35:50 PM »
Nick you can also run the sax on two rc batterires wired in series I have been doing it for a little over a year now with no problems. I picked the adapter plug up from radioshack, just like fozzy and then wired the two rc packs in series to it. It works quite well and almost as light as a lithium but does the job well of one set of 9.6v 2100mah batteries = 19.2v 4200mah in series thats a lot of run time with the regular sax. Since I picked up those two batterys I have not had a power problem when running the sax.

Offline JasonR

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Re: External powering for SXM2?
« Reply #7 on: July 23, 2005, 12:41:06 AM »
Nick you can also run the sax on two rc batterires wired in series
....
one set of 9.6v 2100mah batteries = 19.2v 4200mah in series
There's no free lunch.  With two 9.6v/2100mAh units it's either:
- parallel: 9.6v, 4200mAh
- series: 19.2v, 2100mAh.

With four batteries you could create a 19.2v, 4200mAh setup.  Regardless, good to know that the Sax runs for a good long while on just 19.2v/2100mAh!  At some point I've gotta run some battery tests with my Sonosax and see exactly how long it goes with various battery setups cuz I'm always way too anxious.

- Jason
Schoeps MK21,MK4,MK41,MK41V,MK8 > CMC5/Naiant Tinybox/PFAs > Sound Devices 744T, Sony PCM-M10
DPA 4060 (CS HEB) > SD 744T, M10

Offline neumannkid

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Re: External powering for SXM2?
« Reply #8 on: July 23, 2005, 10:06:21 AM »
Ah... my fault bad night time calculations ;), I meant 19.2v 2100mah thats still a long run time. Ive gotten over 16 hours on that set up.  Still pretty good and I know you could get 9.6v batteries with a larger amount of mah.

Ok here is the equation for calculating run time ( Battery Capacity [mAH] / Current Draw [mA] ) * ( .80 )
So technically speaking (2100[mAH]/80[mA])*(.80)=21hrs

Im not positive that the sax pulls 80mA but thats what I read on the oade boards archive(I believe, it has been a while) and it says on the Sonosax website the power requirments are
External:12V DC to 24V DC, minimum 30mA, maximum 80mA
So I assumed that 80mA could be its maximum draw, Im sure some one will correct me if its wrong :P ;)\

Now I just started playing with these batteries before this I ran 19.2v 1000mah bats it wasnt until recently (this summer) that I added the bats with larger mah. The last time I ran them was the longest and it was over 16hrs for a July 4th festival. So I cant really tell for sure what the max runtime will be with this setup but its way better than using regular 9v batts.
« Last Edit: July 23, 2005, 10:35:02 AM by neumannkid »

Offline JasonR

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Re: External powering for SXM2?
« Reply #9 on: July 23, 2005, 10:18:04 AM »
Thanks again for the advice.  +T  I already have a high quality RC charger so this might really be worthwhile.  And with the SX-M2/LS powering capsules, I'll bet I could go for 20-25 hours on a charge based on your numbers.   ;D
Schoeps MK21,MK4,MK41,MK41V,MK8 > CMC5/Naiant Tinybox/PFAs > Sound Devices 744T, Sony PCM-M10
DPA 4060 (CS HEB) > SD 744T, M10

Offline neumannkid

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Re: External powering for SXM2?
« Reply #10 on: July 23, 2005, 10:36:55 AM »
When I just added the equation to my above post I realized that I had actually ran that setup over 16hrs and I dont think I was really too close to fully draining the batteries after I did the run time equation.

Hey Jason I was wondering if you were able to fix your static problem when you applied some heat to the gain pots. Oh yeah and +t for catching my bad math :coolguy:
« Last Edit: July 23, 2005, 10:42:13 AM by neumannkid »

Offline Nick Graham

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Re: External powering for SXM2?
« Reply #11 on: July 25, 2005, 05:58:29 PM »
Hmmm....

Just now saw all these responses, +Ts all around.

leegeddy, wanna buld another sax power supply?  ;)
Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline dlantelme

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Re: External powering for SXM2?
« Reply #12 on: August 13, 2005, 08:50:06 PM »
how about this:
http://www.batteryspace.com/index.asp?PageAction=VIEWPROD&ProdID=1287 
 since the M2 warns you at 14v, is a 12v SLA(or any 12v rc battery) really adequate?
 I'll let you know how it works for me, also bought
 http://www.batteryspace.com/index.asp?PageAction=VIEWPROD&ProdID=319
for stealth purposes.            Doug
CCM4>SX-M2>UA5>M1

Offline dlantelme

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Re: External powering for SXM2?
« Reply #13 on: August 16, 2005, 05:47:34 PM »
http://www.batteryspace.com/index.asp?PageAction=VIEWPROD&ProdID=1287
  this showed up today,output is 15.29v on my meter, plug fits the sax fine and tip is correct polarity, this looks too good to be true.
 My first open taping with my new sax was SK&F 7/28,29 (available on LMA) and my batteries ran out during the second set of night 2. I didn't receive a manuel fron Sonosax and like most of you, don't need any fucking directions, thank you.
  When I got home from that show I downloaded the manuel from the ts archive, and found out why that light was blinking so fast. Also that the lf filter switch was on, not off as I thought.
  Taped Garage A Trois Friday night with the filter in correct position- nice to be able to hear the difference. I previously noticed a pronounced increase in , for lack of a better word, clarity, with the high gain position vs low gain and higher settings on the pots and UA5. I like this thing alot, too bad it's not built like the MP2, that thing is a tank and I fear breaking the sax battery trays every time I remove them.                                   DougL
CCM4>SX-M2>UA5>M1

Offline dlantelme

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Re: External powering for SXM2?
« Reply #14 on: September 20, 2005, 02:42:00 PM »
I expected the SX-M2 to be the battery hog, but at Earthdance (officially no taping but no heat at all) it( the rechargeable li-on in my previous post)  far outlasted a 6v sla battery running an M1 and recharged easily off an power inverter in my truck.
CCM4>SX-M2>UA5>M1

 

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