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Author Topic: Simple, silly M248 Question...  (Read 5386 times)

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Offline Nick Graham

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Simple, silly M248 Question...
« on: April 07, 2005, 03:38:20 PM »
Okay...I know this is total n00b territory, but for some reason I'm having a brain freeze.

What would be the necessary factors for using the HPF (high pass filter) and LPF (low pass filter), i.e. boomy room = LPF? Bright PA and room = HPF? Or is it the other way around?

Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline Brian

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Re: Simple, silly M248 Question...
« Reply #1 on: April 07, 2005, 03:39:21 PM »
other way around

high pass = low cut

low pass = high cut

Offline mhibbs

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Re: Simple, silly M248 Question...
« Reply #2 on: April 08, 2005, 03:48:56 PM »
Actually, I've always understood it to be this way...

HF+ = On is actually a HIGH BOOST circuit designed to bring the highs up when you are further away from the source (to compensate for HF loss)

LF- = On is a bass rolloff.


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Offline goose

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Re: Simple, silly M248 Question...
« Reply #3 on: April 08, 2005, 03:50:51 PM »
Actually, I've always understood it to be this way...

HF+ = On is actually a HIGH BOOST circuit designed to bring the highs up when you are further away from the source (to compensate for HF loss)

LF- = On is a bass rolloff.

me too - and they work quite well

Offline Tim

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Re: Simple, silly M248 Question...
« Reply #4 on: April 08, 2005, 03:54:19 PM »
mitch is correct
I’ve had a few weird experiences and a few close brushes with total weirdness of one sort or another, but nothing that’s really freaked me out or made me feel too awful about it. - Jerry Garcia

Offline Nick Graham

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Re: Simple, silly M248 Question...
« Reply #5 on: April 08, 2005, 04:24:53 PM »
Ahhh....so I was correct.

Imagine that, first time for everything....
Right now nothing...in the past: Schoeps CMC6, AKG 480, AKG 460, AKG 414, MBHO 603a, Neumann KM100, ADK TL>Schoeps MK4, Schoeps MK2, Schoeps MK41, AKG ck61, AKG ck62, AKG ck63, Neumann AK40, Neumann AK50, MBHO ka200>Lunatec V2, Lunatec V3, Apogee Mini-Me, Oade M148, Oade M248, Sound Devices MP2, Sonosax SXM2>Sony (mod)SBM1, Apogee AD500>D7, D8, D100, M1, R1, R4, R09, iRiver HP120, Microtrack

Offline mhibbs

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Re: Simple, silly M248 Question...
« Reply #6 on: April 11, 2005, 11:08:44 AM »
Not exactly right Nick. 

Boomy room...yes, turn LF- on.

Bright room....don't turn HF+ on.  It's a boost not a cut, so it will actually make the tape brighter.  HF+ is good when you are further away from the source, or really in any situation where you want to bring the highs up some.  I use the HF+ in clubs a lot.

Mitch
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Offline Brian

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Re: Simple, silly M248 Question...
« Reply #7 on: April 11, 2005, 11:22:56 PM »
well that makes sense because a microphone preamp with a HF cut makes no sense ;)

Offline mhibbs

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Re: Simple, silly M248 Question...
« Reply #8 on: April 12, 2005, 05:02:33 PM »
well that makes sense because a microphone preamp with a HF cut makes no sense ;)

Yeah exactly....what the hell would you use it for?  Tape screaming children?
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Offline Jammin72

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Re: Simple, silly M248 Question...
« Reply #9 on: April 15, 2005, 03:54:21 PM »
You might use it for recording a show where the engineer has everything so freakin' bright, distorted, and loud that your ears are about to bleed.  You'd be suprised what dropping everything above 15K can accomplish in a room!
Yes, but what do you HEAR?

Offline Professor chaos

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Re: Simple, silly M248 Question...
« Reply #10 on: May 01, 2005, 08:33:52 PM »
which bass roll off is better the one in the mics or the one in the m248?
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Offline fsulloway

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Re: Simple, silly M248 Question...
« Reply #11 on: May 02, 2005, 03:17:05 PM »
other way around

high pass = low cut



I believe this is correct for a V3 however.
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Offline Brian

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Re: Simple, silly M248 Question...
« Reply #12 on: May 02, 2005, 04:14:04 PM »
other way around

high pass = low cut



I believe this is correct for a V3 however.

i misunderstood the original post and it was pointed out to me later in this thread.

high pass = low cut   everywhere in the audio field.

Offline Tim

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Re: Simple, silly M248 Question...
« Reply #13 on: May 02, 2005, 06:04:09 PM »
which bass roll off is better the one in the mics or the one in the m248?

try em both and see

do they have the same rolloff point and slope?
I’ve had a few weird experiences and a few close brushes with total weirdness of one sort or another, but nothing that’s really freaked me out or made me feel too awful about it. - Jerry Garcia

Offline heath

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Re: Simple, silly M248 Question...
« Reply #14 on: May 03, 2005, 07:50:05 AM »
which bass roll off is better the one in the mics or the one in the m248?

try em both and see

do they have the same rolloff point and slope?


it also depends on the what microphone we are talking about...

the easiest way to find out is to listen to them both, as Tim already mentioned.
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