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Offline MULETAPER

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V3 questions
« on: October 14, 2021, 05:27:31 PM »
a few years back I bought a minty V3-6v. what do you folks run for external power these days? SLA's are to heavy. looking to get it into the field :iamwithstupid:
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Offline jbell

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« Last Edit: October 14, 2021, 08:00:31 PM by kindms »
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Offline Gutbucket

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Re: V3 questions
« Reply #3 on: October 14, 2021, 07:27:45 PM »
Great battery with everything needed: Lots of capacity, simple on/off switch operation, separate 12V, 9V & 5V outputs, a reliable meter, charges via 12V input.
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Offline taperbill65

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Re: V3 questions
« Reply #4 on: October 18, 2021, 07:58:54 PM »
does it power a lunatec v3 6 volts it says it can power 5volts but not 6, has anyone used this

Offline goodcooker

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Re: V3 questions
« Reply #5 on: October 18, 2021, 08:21:44 PM »
does it power a lunatec v3 6 volts it says it can power 5volts but not 6, has anyone used this

You can power it from the 9V. The V3 works fine on 9V it's just throwing away some of the current as heat which is not ideal but perfectly safe. 5V will not do it.
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Offline Gutbucket

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Re: V3 questions
« Reply #6 on: October 19, 2021, 09:13:17 AM »
^ This.

Also if I recall, in addition to being lower voltage, the 5V (via USB port) is more current limited in comparison to the 9V and 12V coaxial port.

[Edit to correct- scratch that.  Just looked up specs. See below]

12V Output (DC5521) 12V/6A max.
9V Output   (DC5525) 9V/1A
5V USB   5V/2A max.

Grace V3 Power Consumption
6-12VDC 600-1000mA (depending on A/D settings and microphone type)

Regardless, I've not had a problem running V3 from the 9V port along with a recorder from the 12V port.
« Last Edit: October 19, 2021, 09:23:53 AM by Gutbucket »
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<< (note: This is a 1st draft, now several years old and in need of revision!  Stay tuned)

Offline MULETAPER

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Re: V3 questions
« Reply #7 on: October 20, 2021, 08:23:40 PM »
thanks ya'll! im all set to run the V3 finally. ordered 2 batteries.  :coolguy:
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Offline rocksuitcase

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Re: V3 questions
« Reply #8 on: October 20, 2021, 09:09:56 PM »
thanks ya'll! im all set to run the V3 finally. ordered 2 batteries.  :coolguy:
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Re: V3 questions
« Reply #9 on: October 21, 2021, 07:48:08 AM »
nothing better>? that seems really pricey for what it is.
time for a spot welder
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Re: V3 questions
« Reply #10 on: November 03, 2021, 09:25:37 PM »
nothing better>? that seems really pricey for what it is.
time for a spot welder
cheaper ones are usb out, I believe the v3 needs a “ring/tip” connector
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Re: V3 questions
« Reply #11 on: December 04, 2021, 11:57:01 AM »
Got a few questions about powering the V3 I recently got on YS.

Is there a way for me to figure out if my V3 is 6V or 12V? Or can I run it under either, so long as there is enough current? I was under the impression I might need to swap a jumper on the power board to switch between 6/12V, but the comments in this thread and the fact I didn’t see a labeled jumper when I popped the lid off have me questioning that.
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Offline tim in jersey

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Re: V3 questions
« Reply #12 on: December 04, 2021, 01:35:59 PM »
Got a few questions about powering the V3 I recently got on YS.

Is there a way for me to figure out if my V3 is 6V or 12V? Or can I run it under either, so long as there is enough current? I was under the impression I might need to swap a jumper on the power board to switch between 6/12V, but the comments in this thread and the fact I didn’t see a labeled jumper when I popped the lid off have me questioning that.

https://www.gracedesign.com/support/manuals/v3_manual_RevE_online.pdf

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Re: V3 questions
« Reply #13 on: December 06, 2021, 12:12:16 PM »
Got a few questions about powering the V3 I recently got on YS.

Is there a way for me to figure out if my V3 is 6V or 12V? Or can I run it under either, so long as there is enough current? I was under the impression I might need to swap a jumper on the power board to switch between 6/12V, but the comments in this thread and the fact I didn’t see a labeled jumper when I popped the lid off have me questioning that.

https://www.gracedesign.com/support/manuals/v3_manual_RevE_online.pdf
That link is so old, the main number for Grace is incorrect. I had to call them this morning and I used your link to get the number. Sooooo, for anyone's info, here is the current, 2021 DEC info:
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Offline Gutbucket

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Re: V3 questions
« Reply #14 on: December 08, 2021, 04:56:14 PM »
Got a few questions about powering the V3 I recently got on YS.

Is there a way for me to figure out if my V3 is 6V or 12V? Or can I run it under either, so long as there is enough current? I was under the impression I might need to swap a jumper on the power board to switch between 6/12V, but the comments in this thread and the fact I didn’t see a labeled jumper when I popped the lid off have me questioning that.

Congrats, it's a great preamp. 

There are 2 labeled jumpers on the board (see manual linked above). I'm not sure they do anything other than perhaps adjust the V3's built-in in battery metering, but I'm only speculating so don't take that as gospel. The manual does warn against changing them without contacting the factory first, so maybe more to it.  The V3's built-in metering was intended for old-school SLA battery systems and is no longer needed with modern batteries like the Talentcell that have their own metering built-in, and different chemistry and discharge characteristics.  Best to just forget the V3 battery meter is even there.

Main thing to know about is a detail about the power input.  The center split-pin of the power cable will at some point become slightly loose in its contact socket.  When that occurs, screwing down the connector more firmly actually aggravates the power-intermittency problem rather than helping to eliminate it, because doing so centers the center pin more perfectly in its loose contact socket.  The fix is to gently spread the split pin a bit to achieve good contact again.  It will then, in my experience, work fine for many years.  If that were to ever occur in the field while recording where you need to remedy it ASAP, loosen the connector slightly and gaff tape the cable so that it pulls to one side slightly instead of being perfectly centered and the preamp should run fine the remainder of the night.
musical volition > vibrations > voltages > numeric values > voltages > vibrations> virtual teleportation time-machine experience
Better recording made easy - >>Improved PAS table<< | Made excellent- >>click here to download the Oddball Microphone Technique illustrated PDF booklet<< (note: This is a 1st draft, now several years old and in need of revision!  Stay tuned)

 

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