Martin
1691 posts
Feb 29, 2024
12:26 PM
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Shure has, on their homepage, instructions on how to do this, but I guess I would screw it up anyway -- so I have to ask a friend for assistance.
But I wonder, are the benefits of such an operation important?
I´ve never really come to terms with this HiZ/LoZ business (people have tried to explain it to me and I see their lips moving and I hear sounds but it just doesn´t land) and as far as I understand some fellars don´t give a damn and plug their Green Bullets straight in to the PA and just keep on smiling.
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dougharps
2355 posts
Mar 04, 2024
6:35 AM
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I have never owned this mic and never tried the conversion to high-z.
However, there is information on doing this on this page found via Google search:
545SD User Guide
Good luck!
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Doug S.
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Martin
1692 posts
Mar 04, 2024
8:01 AM
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Thank you Dougharps, I had noticed that, but am a bit too shy with screwdrivers and such to venture into close contact with electronics.
I have a conversion plug of sorts that gives me Hi z -- or is it Loz? -- but I tend to forget it.
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Roy Ale
1 post
Mar 27, 2024
6:18 PM
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Martin it sounds like you own a 545 mic . If you purchased it new then the instructions are in the box it came in . It is very easy to change the wires around too change the impedance . I have two 545 mics . i keep one wired to Low Z and one wired Hi Z . I label them HI Z and Low Z The advantage for me is if some how i loose one , i can get the other and change the impedance to match what i am plugging into . The 545 is the closest stick mic sound to a bullet . I prefer the feel of a stick mic in my hand . Advantage of the 545 is good price for a HI Z mic ( if wired HI Z ) . Another advantage is the on/ off switch, can lay the mic on stage any where , when it's off ! Disadvantage of the 545 is its a hot mic even wired low Z compared to the 57 . so low Z and into the board ( PA ) could still feed back in the PA. caution i have broken off the on /off switch when i put the mic in a mic stand holder . Sound Engineers like it when i do not have control of the volume .
To keep it simple for you could keep your 545 wired low Z , XLR to XLR into a low Z input into the PA . and if there are only Hi Z 1/4 inch inputs remaining on the PA or you want to plug into an amp ( HI Z ) then use the the impedance adaptor( XLR to 1/4 inch) . when i travel i only bring a Low z mic and an impedance adaptor .
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Martin
1693 posts
Mar 28, 2024
7:37 AM
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Roy Ale,
Thank you for this detailed reply! I´m more and more coming to the conclusion that it´s better to leave it be and use the impedance adaptor. (I -- literally! -- screw things up when I approach electronics.)
The on/off switch is an excellent little thing, and one wonders why more mics don´t have it.
Also with you on the general preference for stick mics!
Cheers /M
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Roy Ale
2 posts
Mar 29, 2024
2:36 PM
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Martin Another advantage for keeping your 545 Low Z , is cord length , Hi Z cords have a limit of 20 feet. Notice guitar players have a limit of 20 feet . When i use a Low Z mic I can use a 50 foot cord to play on a big stage . XLR to XLR into the PA and even when you plug into an amp or a Hi Z input in the PA with your impedance adaptor you can have a longer cord than 20 feet .
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Old Hickory
111 posts
Apr 14, 2024
11:52 AM
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I had the same question when I bought my 545 years ago. The tech at Shure says it’s best to leave it wired for low impedance (for XLR to PA ) and use an adapter like the Shure A85F for high Z applications such as for plugging into an amp. That way you get the best of both worlds and never have to mess with changing the internal wiring back and forth. I tried changing mine and wound up cross threading the set screw then stripping the head trying to get it out and had to replace the whole plug. PITA
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Martin
1694 posts
Apr 17, 2024
9:41 AM
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Thanks OLd Hickory. I decided to follow your and Roy Ale´s advice and leave it as it is. If it ain´t broke ... etc.
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