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  Topic Review (Newest First)
03-28-13 08:55 AM
3ll3d00d
Re: Is the RS meter "good enough"?

Quote:
AudiocRaver wrote: View Post
Here is one way of looking at it. Many home theater enthusiasts are looking for smooth subwoofer response, but not necessarily flat subwoofer response. Many home theater setups end up with subwoofer frequencies emphasized some amount above the rest of the frequency response curve as a matter of personal taste. The import thing is that it is done in a smooth, controlled fashion.

The RadioShack SPL meter with our generic calibration curve will do a good job of helping you achieve smooth response, which is definitely the main priority for good-sounding bass. Then you can adjust the amount of bass somewhat for personal taste by playing with the target curve in REW during the EQ process. If flat response is also a priority for some reason, or if there is a specific known target curve you want to achieve closely, then you need an individually calibrated measurement mic or SPL meter for that.
that makes sense. Part of the reason I'm thinking about this is because I've recently seen what looks like audyssey producing a flat response that my spl meter measures as flat but +5-6dB higher (i.e. it looks a bit like a step down at 80Hz). I know there are various issues in measuring what audyssey has done with REW but it still looks quite odd.
03-26-13 02:42 PM
AudiocRaver
Re: Is the RS meter "good enough"?

Quote:
3ll3d00d wrote: View Post
OK thanks. I suppose the q is when is an rs meter is not accurate enough for sub eq? Possibly this is a how long is a piece of string question. Do they drift at all?

Are there any issues with running a USB mic over a long (10m) cable? I have a feeling USB is limited to <5m or so.

Cheers
Matt
Here is one way of looking at it. Many home theater enthusiasts are looking for smooth subwoofer response, but not necessarily flat subwoofer response. Many home theater setups end up with subwoofer frequencies emphasized some amount above the rest of the frequency response curve as a matter of personal taste. The import thing is that it is done in a smooth, controlled fashion.

The RadioShack SPL meter with our generic calibration curve will do a good job of helping you achieve smooth response, which is definitely the main priority for good-sounding bass. Then you can adjust the amount of bass somewhat for personal taste by playing with the target curve in REW during the EQ process. If flat response is also a priority for some reason, or if there is a specific known target curve you want to achieve closely, then you need an individually calibrated measurement mic or SPL meter for that.

USB cable lengtht: 5 m is about the limit. Some devices, USB mics included, can work reliably with a buffered USB cable for extra length beyond that.
03-26-13 02:14 PM
3ll3d00d OK thanks. I suppose the q is when is an rs meter is not accurate enough for sub eq? Possibly this is a how long is a piece of string question. Do they drift at all?

Are there any issues with running a USB mic over a long (10m) cable? I have a feeling USB is limited to <5m or so.

Cheers
Matt
03-26-13 01:58 PM
Macattack Okay, thanks! Yet another toy I have to purchase .
03-26-13 01:54 PM
AudiocRaver
Re: Is the RS meter "good enough"?

That would work.

The Q502 includes phantom power and a USB interface, eliminates the need for the UCA222, gives a much cleaner setup.

The ART USB dual pre is another good, simple option.
03-26-13 01:25 PM
tonyvdb
Re: Is the RS meter "good enough"?

You should get one of these
03-26-13 01:24 PM
AudiocRaver
Re: Is the RS meter "good enough"?

Hold that order...

The UCA222 is not a mic preamp. You need a mic preamp. A preamp will accept the XLR and will supply phantom power. And lots of gain. The UCA222 will not work with a mic input directly.
03-26-13 01:22 PM
tonyvdb
Re: Is the RS meter "good enough"?

You first need to have a phantom power supply for the mic. You cant just "convert" the XLR to rca without a proper transformer. You are essentially going form Balanced to unbalanced.
03-26-13 12:55 PM
Macattack
Re: Is the RS meter "good enough"?

Quote:
Macattack wrote: View Post
Thank you. Sounds like with an ECM8000 (~$60) and an XLR to RCA adapter, I am good to go! That is clear.
Placing my order on Amazon ---- Quick question. Which XLR to RCA adapter do I need from the ECM8000 XLR output to my UCA222 RCA input?

FEMALE to RCA or MALE to RCA?
03-26-13 10:34 AM
tonyvdb
Re: Is the RS meter "good enough"?

You will need a phantom power supply to use the 8000 as well.
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