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Author Topic: Does The M10 Favor The Left Channel?  (Read 1144 times)

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Offline rockphantom

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Does The M10 Favor The Left Channel?
« on: February 22, 2017, 07:52:44 AM »
Howdy,

I use my M10 with Church Audio card mics (CA-11 + CA-14 cards), and no matter how I position the mics, the left channel is always slightly stronger.
This occurs when I go line in with the Ugly 2 preamp, and also when I go mic in (PIP) with the CA-11s. Is this natural for the M10?
I have two M10 decks and they both have the same issue. I am able to balance the recordings in post.
However, my friend claims that one recording in particular (acoustic rock), has a significantly stronger left channel, even after I mastered and balanced this recording.
I was standing in a sweet spot in the middle/back area of the floor at a local rock club when I taped this show.

I should mention that I mount my mics on a fedora hat, usually above both my left and right ears.
Therefore, there is an equal distance between each mic.

I could provide samples if there is interest.

I am going to tape one of my favorite hard rock bands on Saturday night and want to make sure everything is properly setup before then.

Any feedback would be appreciated.
Thank You!
« Last Edit: February 22, 2017, 07:54:32 AM by rockphantom »
Deck: Sony PCM-M10 Preamp: Church Audio Ugly 2 Mics: CA-11 Cardoids,CA-14 Cardoids
FS: Soundman OKMII Rock Binaural,  FS: Church Audio CAFS, FS: CA-14 Omnis.

Offline willndmb

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Re: Does The M10 Favor The Left Channel?
« Reply #1 on: February 22, 2017, 08:05:55 AM »
I'm going to say your mics are not balanced and favor the left.
It seems odd to me that you would have the issue with two recorders in multi configurations

Do you have another set of mics or another recorder to test?
The next test you can run is using the built in mics and set it down in front of a home speaker and see if the meters match. Playing white noise would be the easiest to see since it would be consistent

As for your friend, if you leveled out the recording he shouldn't hear a difference unless maybe a particular "channel" was stronger coming from the pa. For example if it was a stereo mix the guitar might have been more left/right and in that case you are possible going to notice it.
« Last Edit: February 22, 2017, 08:15:06 AM by willndmb »
Mics - AKG ck61/ck63 (c480b & Naiant actives), SP-BMC-2
XLR Cables - Silver Path w/Darktrain stubbies
Interconnect Cables - Dogstar (XLR), Darktrain (RCA > 1/8) (1/8 > 1/8), and Kind Kables (1/8f > 1/4)
Preamps - Naiant Littlebox & Tinybox
Recorders - PCM-M10 & DR-60D

Offline adrianb

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Re: Does The M10 Favor The Left Channel?
« Reply #2 on: February 22, 2017, 08:38:17 AM »
If you are using the Ugly 2 preamp it has miniaturized trimmer controllers for output level control.

Offline SoundHolic

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Re: Does The M10 Favor The Left Channel?
« Reply #3 on: February 23, 2017, 10:11:55 AM »
Here is my test.

Both M10 recorded 1K tone via aux cable and I scanned the original file and recorded files. The M10(Red) is older by 2 years.

- L/R difference (dB)
Source / M10(Red) / M10(Black) : 0.0 / 0.81 / -0.36

- M10 setting
Mic-in / Low sens / Level 5.0
Mics/Caps: AKG CK61/CK63, Countryman B3(Hi Sens, 4.7K MOD)
Cables: NBob Actives
Preamps: Naiant IPA
Recorders: Sony PCM-M10

Offline rockphantom

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Re: Does The M10 Favor The Left Channel?
« Reply #4 on: February 23, 2017, 06:52:27 PM »
Thank you for the feedback all!
Deck: Sony PCM-M10 Preamp: Church Audio Ugly 2 Mics: CA-11 Cardoids,CA-14 Cardoids
FS: Soundman OKMII Rock Binaural,  FS: Church Audio CAFS, FS: CA-14 Omnis.

Offline bombdiggity

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Re: Does The M10 Favor The Left Channel?
« Reply #5 on: February 24, 2017, 11:51:04 AM »
It's more likely the mics.  Mini mics are always unmatched (often substantially so).  I've gotten balanced recordings on my M-10 when using matched phantom powered mics/preamp in a central location.   My SP's are usually about 1dB off from each other (whether using the same Tinybox preamp or direct). 
Gear:
Audio:
Schoeps MK4V
Nak CM-100/CM-300 w/ CP-1's or CP-4's
SP-CMC-25
>
Oade C mod R-44  OR
Tinybox > Sony PCM-M10 (formerly Roland R-05) 
Video: Varied, with various outboard mics depending on the situation

Offline Scooter123

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Re: Does The M10 Favor The Left Channel?
« Reply #6 on: April 08, 2017, 10:47:43 PM »
I have the same issue in one of my units--its the recorder, about a 10db difference.  The other unit does not have the same problem. 
Regards,

Scooter123

mk41 > N Box  > Sony M-10
mk4 > N Box > Sony M-10

Offline beatkilla

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Re: Does The M10 Favor The Left Channel?
« Reply #7 on: April 09, 2017, 09:32:42 AM »
I have the same issue in one of my units--its the recorder, about a 10db difference.  The other unit does not have the same problem.

Are you referring to the internal mics or external mics ?

And if external is it 10db difference through both the mic and line input?


 

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