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Old June 12th, 2008, 12:58 AM   #1
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EX1 - Low Headphone Volume?

Hey Folks,

Issue #1

I can't get any volume out of the headphone jack.
I've maxed it out and I just can't get any...... real volume.

Hardwired Sennheiser 416
Phantom powered
EX1 Audio input - Trim set to -41 dBu
Ex1 audio levels manually set so they won't peak to red

Issue#2

With the wireless I get crackle and dirty sound

Sennheiser EW100 G2 receiver
Sennheiser SKP500 G2 transmitter
Sennheiser MKH416 Mic
EX1 Audio input - Trim set to -41 dBu
Ex1 audio levels manually set so they won't peak to red

Issue#3

What's really weird is that the only headphones that I can get anything out of in the way of low volume is the little ipod style ones. I can't even get a sound out of the bigger style headphones.

Please step in and give this a shot. It's got to be something simple :)
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Old June 12th, 2008, 01:10 AM   #2
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Further test reveals:

1 big set of head phones that I first tested are shot.... So it doesn't make any difference on the headphone size.

Last edited by Jonathan Bland; June 12th, 2008 at 01:55 AM. Reason: Clarify
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Old June 12th, 2008, 01:42 AM   #3
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Isn't issue #1 about the headphones?
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Old June 12th, 2008, 01:53 AM   #4
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Hi Serena,

I can see how one could miss what I wrote.
Let me edit the 2nd post.
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Old June 12th, 2008, 02:10 AM   #5
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Did a restart of everything and now things seems to be fine.
Weird.....
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Old June 12th, 2008, 02:29 AM   #6
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Jonathan

I'm also using the Senny G2 with my EX1, and I can tell you that they are very, very hot indeed. Therefore, apart from trimming in the EX1's menu (try even more that he default -41dB), you should also minimize the receiver's sensitivity itself. I cannot remember exactly how you do it now, but it's simple and well explained in the manual.
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Old June 12th, 2008, 02:36 AM   #7
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Hi Piotr,
Thanks for your help but can you please elaborate on this:

".........apart from trimming in the EX1's menu (try even more that he default -41dB), you should also minimize the receiver's sensitivity itself."

Do you mean:

Take the trim up to say...... 51 dBu.......... and then attenuate the receiver down to say..... -20/ -30?
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Old June 12th, 2008, 02:40 AM   #8
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Quote:
Originally Posted by Jonathan Bland View Post
Hi Piotr,
Thanks for your help but can you please elaborate on this:

".........apart from trimming in the EX1's menu (try even more that he default -41dB), you should also minimize the receiver's sensitivity itself."

Do you mean:

Take the trim up to say...... 51 dBu.......... and then attenuate the receiver down to say..... -20/ -30?
No Jonathan - "trimming even more" means going down to -38 dB, or even further (remember these are negative values).

But before you do that, decrease the receiver's sensitivity - it may be enough!
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Old June 12th, 2008, 02:58 AM   #9
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Cool Piotr....... Problem solved!

I think the english term for the problem I was having is "Over Modulation?" or "Over Driving?"
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Old June 12th, 2008, 03:00 AM   #10
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I still seems that I need the headphone turned right up to really hear things...... oh well.
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Old June 12th, 2008, 03:01 AM   #11
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Originally Posted by Jonathan Bland View Post
Cool Piotr....... Problem solved!

I think the english term for the problem I was having is "Over Modulation?" or "Over Driving?"
Yes, this is why you were getting distorted sound (I used the "hot" euphemism for that).

I'm glad you solved it!
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Old June 12th, 2008, 03:03 AM   #12
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Thanks again Piotr :)
4am here..... Time to sleep.......
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Old June 12th, 2008, 03:04 AM   #13
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Originally Posted by Jonathan Bland View Post
I still seems that I need the headphone turned right up to really hear things...... oh well.
As I wrote in another thread on the EX1's audio monitoring level (both headphones and the speaker) - you really need good cans with this camera. I'm using Sennheiser HD 25-1 mK II, and am very satisfied.
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Old June 12th, 2008, 03:07 AM   #14
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Understood :)
Big thanks and grateful for your time.
zzzzzzzzzzz.............
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Old June 12th, 2008, 04:39 AM   #15
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Piotr.
I set up my sennheisers as per this tutorial

http://www.youtube.com/watch?v=TyVAjZq9HF8

I then read somewhere, i think on this forum , that the best way to set up the trim was to set the external cam external wheel to manual/midway (5), then set the trim to an acceptable level, this way it's then possible to go up to 10 or down to 0, thus giving plenty of room for quick adjustment if needed.

I did all this and i've ended up somewhere near -50 in the trim.

Are you saying it's to high then ?

I'm using sennheiser G2 kit with K6 mic also.

Paul.
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