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OHM MR.450
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DiscoFish View Drop Down
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Joined: 21 August 2011
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    Posted: 07 March 2013 at 5:29pm
Hey guys, picked up an old OHM MR.450 (the bandpass version) from an old nightclub installation that was local to me, new bloke just wanted rid of it as he was renovating the place and I managed to grab it for £50 (think he was sick of seeing it in his out house, lol).
Cab has apparently been installed and left there only once and having heard it in the room myself when it was running in there, it doesn't seem to have been pushed too hard as it sounds sweet to me.
Any idea what these bins were loaded with originally? it does have the original driver, both the old club owner and the old DJ have confirmed this, stuck on how you get in the thing too as I wouldn't mind taking a look at the internals.

May re-coat it as it is a bit battered but apart from that it seems fine, wouldn't mind another actually, what do these things go for with original drivers?
Cheers Thumbs Up

P.S, I'm aware that it has a passive crossover built in, but what sort of x-over freq would it be best to run?

undefined


Edited by DiscoFish - 07 March 2013 at 6:04pm
Sam Owen
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djeddie View Drop Down
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Points: 4125 		Post Options Post Options   Thanks (0) Thanks(0)   Quote djeddie Quote  Post ReplyReply Direct Link To This Post Posted: 07 March 2013 at 7:00pm
I'm sure Pasi* will see this and answer.


* Pasi makes the tea at Ohm or something like that.Embarrassed
Chas n Dave : it's like Drum and Bass but with beards.             E=mc² ±3dB
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DiscoFish View Drop Down
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Points: 83 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiscoFish Quote  Post ReplyReply Direct Link To This Post Posted: 07 March 2013 at 7:07pm
Sounds good to me! been looking it up and I get mixed results, some say it's 400w, some say it's 450, and yet on the input plate mine says 500w @ 8 ohm? strange.
Can't find sod all on how to get in it or what it's loaded with either!
Sam Owen
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777masterparts View Drop Down
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Points: 2 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 777masterparts Quote  Post ReplyReply Direct Link To This Post Posted: 08 March 2013 at 1:09am
hi you need a bold 8 or 10mm drive it in to the hole on the front.....good luke
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DiscoFish View Drop Down
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Points: 83 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiscoFish Quote  Post ReplyReply Direct Link To This Post Posted: 08 March 2013 at 4:44pm
Will the front just pull or pop off then?
Sam Owen
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DiscoFish View Drop Down
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Points: 83 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiscoFish Quote  Post ReplyReply Direct Link To This Post Posted: 08 March 2013 at 5:22pm
Got it, popped the front off to be greeted by another board and a tonne of screws.
They built these bloody things bomb proof didn't they.
Sam Owen
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mk2_ginger_biscuit69 View Drop Down
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Points: 7801 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mk2_ginger_biscuit69 Quote  Post ReplyReply Direct Link To This Post Posted: 08 March 2013 at 5:50pm
Originally posted by DiscoFish DiscoFish wrote:

They built these bloody things bomb proof didn't they.


thats the Ohm way!
''Remember that the object of a subwoofer is to enhance the output of your main speakers, not overpower it''

''Dubstep - an elongated electronic fart''
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mini-mad View Drop Down
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Originally posted by mk2_ginger_biscuit69 mk2_ginger_biscuit69 wrote:

Originally posted by DiscoFish DiscoFish wrote:

They built these bloody things bomb proof didn't they.


thats the Ohm(s) way law!
If it sounds like a gorilla is trying to escape, turn it down.
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wonk_one Quote  Post ReplyReply Direct Link To This Post Posted: 28 March 2013 at 7:59pm
I own some ohm cabs also and contacted Ohm by email from their website and gave the serial number on the back of the cab above the wattage and they were able to give me frequency range, wattage and best guess they were b & c drivers but not 100% sure as they were 20 years old and that was all info they had on them! Drop them an email, they were very helpful.
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DiscoFish View Drop Down
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Points: 83 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiscoFish Quote  Post ReplyReply Direct Link To This Post Posted: 29 March 2013 at 1:43pm
Thanks a bunch for the info!
Sam Owen
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dylan-penguinmedia View Drop Down
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Originally posted by djeddie djeddie wrote:

I'm sure Pasi* will see this and answer.


* Pasi makes the tea at Ohm or something like that.Embarrassed


He's never made me a bloody cup of tea!
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Originally posted by dylan-penguinmedia dylan-penguinmedia wrote:

Originally posted by djeddie djeddie wrote:

I'm sure Pasi* will see this and answer.


* Pasi makes the tea at Ohm or something like that.Embarrassed


He's never made me a bloody cup of tea!


True. That's because i wasn't worth it. It apparently takes a proper Brit to make a good brew. I'm only allowed to serve tea, but i can't be arsed to do that.

Seems that i'm slipping a bit on checking this out.Embarrassed
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