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Shire m63 audio master

 
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floid
re-cappin' neve


Joined: 03 Jan 2006
Posts: 741
Location: in exile

PostPosted: Sun Jan 22, 2017 2:58 am    Post subject: Shire m63 audio master Reply with quote

Put this in the "what the hell" category. Racked a pair of m63's. Bent the case out of 20ga steel, etched the labelling on the front panel. Balanced the inputs with some Tamuras, added a switch to flip the bass between 80/300Hz, adjusted the feedback resistor in the final stage for lower gain. Powered with 28v linear supply, added yellow LEDs to light the V.U.s.
It was a tight build, case is only 4.5" deep. This was on purpose, but made things take longer. Ran into some issues with the pots being designed for a thinner panel.
I'm liking it so far. A lot quieter than stock. All about the cut plus boost in the lowend. The switchable bass freq is subtle but seems useful.






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jimjazzdad
alignin' 24-trk


Joined: 19 Jan 2012
Posts: 52
Location: Halifax, NS, Canada

PostPosted: Sun Jan 22, 2017 1:30 pm    Post subject: Re: Shire m63 audio master Reply with quote

Nice job Floid.

A lot of people s**t on that old Shure gear, but I have always found that it has its uses. Still own an M67 & an M267. Hard to beat when you can pick them up for $50. Good for sub mixes or even just as a tone generator. Don't sound half bad either IMHO.
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Drone
buyin' gear


Joined: 18 Dec 2009
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Location: Uranus

PostPosted: Thu Jan 26, 2017 8:54 pm    Post subject: Re: Shire m63 audio master Reply with quote

Is good for hobbitses, yes Very Happy
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jimjazzdad
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Joined: 19 Jan 2012
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Location: Halifax, NS, Canada

PostPosted: Fri Jan 27, 2017 7:26 am    Post subject: Re: Shire m63 audio master Reply with quote

Good for hobbyists too. Laughing
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Jim Legere
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floid
re-cappin' neve


Joined: 03 Jan 2006
Posts: 741
Location: in exile

PostPosted: Fri Jan 27, 2017 3:32 pm    Post subject: Re: Shire m63 audio master Reply with quote

Drone wrote:
Is good for hobbitses, yes Very Happy

Definitely catching a case of that in my old age.
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Drone
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Joined: 18 Dec 2009
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PostPosted: Fri Jan 27, 2017 4:25 pm    Post subject: Re: Shire m63 audio master Reply with quote

Either that, or Bilbo is your spellchecker Mr. Green
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L´Andratté
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Joined: 31 Jan 2013
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PostPosted: Sat Jan 28, 2017 5:52 pm    Post subject: Re: Shire m63 audio master Reply with quote

Nice work!
Making my own cases like that, I´d like to do that...

What are you going to use it for?
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floid
re-cappin' neve


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PostPosted: Sun Jan 29, 2017 1:22 pm    Post subject: Re: Shire m63 audio master Reply with quote

Liking it on drum and bass sub mix at the moment. I've got got some of those discrete inductive graphic modules from White and Altec that i'm experimenting with putting in front of it.
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L´Andratté
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Joined: 31 Jan 2013
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PostPosted: Sun Jan 29, 2017 6:02 pm    Post subject: Re: Shire m63 audio master Reply with quote

Funny I have just retrieved from my vaults two Vermona e2010 (east german inductor/discrete graphic eqs) which sound beautiful, but have to restore them cause the faders look inside like the units have spent some time under a barbers chair Confused

Looking at it again your case looks majorly cool, like some stuff from the forties. I might have to look into doing my cases myself. Is it hard to learn, given the right tools?
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floid
re-cappin' neve


Joined: 03 Jan 2006
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Location: in exile

PostPosted: Sun Jan 29, 2017 11:10 pm    Post subject: Re: Shire m63 audio master Reply with quote

I used a box brake, drill press, and jigsaw. This plus a stock of metal and hardware is a sizeable investment. But once your machine shop is set up you can make a case fairly quickly and very cheaply. The main issue is how much you enjoy metal filings, 3n1 oil, and working to 1/64" tolerances.
I do need to come up with a better etch process for the front panel, for this one I just used a layout crayon and it shows. Ah well, it's just a Shire. Rolling Eyes
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Drone
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Joined: 18 Dec 2009
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PostPosted: Mon Jan 30, 2017 10:48 am    Post subject: Re: Shire m63 audio master Reply with quote

Man the sooner you Yanks adopt millimeters, the better.

I was actually having this discussion at the weekend, as I was working in someone elses shop, and I apologized for having to work in millimeters, as all the gradations of inch make my head hurt.

He agreed with me, and went on to prove it by screwing something up by using the wrong count of inches 1/32 instead of 1/16 or something. Thankfully it was on the too small side, so it was no harm no foul Mr. Green
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floid
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PostPosted: Mon Jan 30, 2017 1:31 pm    Post subject: Re: Shire m63 audio master Reply with quote

In theory, I agree. I understand that it is ultimately a simpler system. But in practice I spend 8 hrs a day working in SAE. It's how my brain is wired to represent spatial concepts and do geometrical math. Metric makes MY head hurt. The other day all I could find was a metric tape to use to cut a 50 ft layout into thirds - it took three tries to work the problem and I still got it wrong. 50x4=200 inches, so much simpler for me.
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