blueswannabe
109 posts
Jun 29, 2011
11:35 AM
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I have an astatic bullet mic with a controlled magnetic element (hi-z) and a screw on connector. When I go to jam sessions I usually use the house vocal mic which goes into the PA system. The house mic is a shure with a an 3 pin connection. I would prefer to use my bullet mic and their cable which is designed for the 3 pin hole connection. What do I need to do to use the house mic cable and my bullet mic?
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MrVerylongusername
1725 posts
Jun 29, 2011
12:11 PM
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A DI Box
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5F6H
755 posts
Jun 29, 2011
12:11 PM
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A "hi-Z 1/4" male to Lo-Z XLR male" impedance transformer. They do exist but you may have to hunt around as the XLR connectors are usually female, to go straight into a mic, rather than into a cable.
Or, you could make up a short XLR male to XLR male rat's tail to use with a regular impedance transformer?
Personally, I'd stick to the house mic.
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Barry C.
273 posts
Jun 29, 2011
12:19 PM
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i believe you're running high-z bullet into low-z PA so you'll need a DI (direct-input) box. as for the connector use a 1/4" - XLR adpater...the '3-hole pin' is called an XLR.
warning though bullets don't sound very good thru the PA.
@guys with more knowledge - am i correct here?
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~Banned in Boston!
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MrVerylongusername
1727 posts
Jun 29, 2011
12:24 PM
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No need for fancy connectors. Every DI Box I've ever seen has 1/4" in and male XLR out. Bullets can sound just fine through a PA if they are cupped properly by th player and EQd properly at the desk.
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blueswannabe
110 posts
Jun 29, 2011
1:03 PM
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The house mic is a shure sm58. It is easy to cup but I would prefer cupping the astatic for purpsoes of better grip. Where do you get a DI box? How much do they run?
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MrVerylongusername
1728 posts
Jun 29, 2011
1:21 PM
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Any music shop will sell an active DI (Direct Injection) box. They don't cost a fortune, a good one will have a dB pad, which will let you reduce the output level to the desk, and a ground lift (to help solve ground loop humming problems). Some also have a 'through' connection to let you split the original signal elsewhere. Absolutely essential (IMHO) is phantom power which will allow the desk to send a voltage to the box so you don't need a 9V brick in it (actually they don't use a lot of power, but batteries always seem to fail when you least expect it).
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MrVerylongusername
1729 posts
Jun 29, 2011
2:28 PM
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Yeah, but an active DI will cope much better with a bullet mic because they have a higher input impedance. Active boxes are generally much more affordable than a good passive box.
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AirMojo
164 posts
Jun 29, 2011
4:39 PM
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I bought one of these awhile ago in case I ever need it... haven't used it yet... ART Z Direct Professional Passive Direct Box... It has the XLR connector on the opposite side that you can not see in the photo...
http://www.amazon.com/ART-Direct-Professional-Passive-Box/dp/tech-data/B0009GYIL2/ref=de_a_smtd
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hvyj
1462 posts
Jun 29, 2011
5:14 PM
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I don't understand the purpose of tight cupping a bullet mic if you are playing it into a PA. IMHO, you will get better tone out of the PA if you tight cup the SM 58.
Anyway, Radio Shack used to carry an IMT that had a female 1/4" input on one end and an XLR connector on the other end. Don't know if they still carry them since I haven't tried playing a bullet into a PA in about 30 years. After you learn what works well and what doesn't you tend to stick with what works. But, YMMV.
A passive DI is pretty inexpensive.Rolls used to make a little one called the MATCHBOX, but I'm not sure if they still do.
Last Edited by on Jun 29, 2011 5:16 PM
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rharley5652
506 posts
Jun 29, 2011
9:45 PM
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http://en.wikipedia.org/wiki/DI_unit,.
Just Google DI Box ,.sold everywhere.
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Simply Unique Kustom Mic's By Rharleyhttp://en.wikipedia.org/wiki/DI_unit
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