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Dirty-South Blues Harp forum: wail on! > Electrovoice 631B microphone
Electrovoice 631B microphone
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atty1chgo
448 posts
Sep 05, 2012
10:45 AM
Just saw this one on eBay. Electrovoice 631B Dual-Z microphone. This one has an XLR connector and an On-Off switch. Great bottom and excellent tone on these mics, as some of us who prefer and know EV mics can attest. They are ergonomically easy to grip as well. The outside plastic switch is easily removable once set in position.

The Buy-It-Now price is a steal at $60.00! This one is practically brand new. For some of you 631B afficionados, it is a dream come true: to find this mic in such a stellar condition is RARE. This is not my mic. I have two of them, one brand new and one almost new but being repaired, or I would buy it myself.

http://www.ebay.com/itm/ElectroVoice-631B-OmniDirectional-With-Switch-Clip-/251146472325?pt=US_Pro_Audio_Microphones&hash=item3a797f0b85

Last Edited by on Sep 05, 2012 10:49 AM
DukeBerryman
11 posts
Sep 05, 2012
8:34 PM
Looks beautiful, really tempting
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firemedic15
1 post
Sep 06, 2012
10:13 AM
I ended up buying this as my first harp mic. I am just starting out in the world of amplified harp. Being a relatively new player, what would be a good choice of amp to go with this mic? Any help is greatly appreciated. -Ed

Last Edited by on Sep 06, 2012 10:26 AM
atty1chgo
454 posts
Sep 06, 2012
4:46 PM
Ed - if you do a Forum search of "Electrovoice 631B", you will find plenty of past posts on the subject of this mic and amps that pair with it.

Last Edited by on Sep 06, 2012 4:47 PM
firemedic15
5 posts
Sep 06, 2012
4:51 PM
Beauty; thanks!
atty1chgo
455 posts
Sep 06, 2012
4:53 PM
Sounds great with any tube amp.
atty1chgo
457 posts
Sep 06, 2012
4:59 PM
Here are a couple of clips by Ron Sunshine demonstrating the mic:



firemedic15
6 posts
Sep 06, 2012
5:14 PM
Thanks again; loving the info from this forum
firemedic15
9 posts
Sep 08, 2012
10:44 AM
Mic should be here in a couple of days; had a quick question about it. This is a dual z mic, however it appears that these are set up hi or low with the ability to be switched? Is this correct? Also it seems that most prefer hi? Is there an easy way to tell how it's set up once I get it? Thanks again.
atty1chgo
458 posts
Sep 08, 2012
2:43 PM
Here is the specification sheet for the EV 631. There is a small screw at the bottom of the mic shaft. When loosened up, that drops the XLR connector, or whatever connector it has. Take a needle nosed pliers, or a medical hemostat (you may have one laying around from pot smoking days) and GENTLY pull the connector down by one of the pins once the little screw has been loosened. The screw stays in. From there, follow the diagram. You will be able to access the little plugs and wires. MAKE SURE you remember how they were in the first place. And try to determine beforehand whether it is wired Hi-Z by plugging it in to an amp. These mikes are USUALLY wired Hi-Z to start with.

http://www.coutant.org/data/631.pdf

Last Edited by on Sep 08, 2012 2:46 PM
firemedic15
10 posts
Sep 08, 2012
3:09 PM
Thanks for the info; when you say try to determine beforehand by plugging into an amp; will it be apparent if it is hi z vs low? Sorry this is all really new to me.
atty1chgo
459 posts
Sep 08, 2012
3:46 PM
Here is an article by one of our Forum members, Greg Heumann, that should explain it more clearly:

http://www.harpsurgery.com/theres-no-place-like-ohm-microphone-impedance/
felip
33 posts
Jun 06, 2013
6:10 AM
Hello,

could you finally rewire your dual Z 631 to high impedance? Mine comes low Z and I don't know how to rewire it to high Z.

Thanks,

Felip.
HawkeyeKane
1738 posts
Jun 06, 2013
7:57 AM
Here's the download link for the archived data sheet on it. It's got diagrams and written instructions on how to do it.

http://www.electrovoice.com/downloadfile.php?i=970570


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Hawkeye Kane
felip
34 posts
Jun 08, 2013
6:13 AM
Thanks you very much, that is exactly what I was looking for.


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