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Author Topic: Help :Very low signal (Neumann)  (Read 5611 times)

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Offline chrisv31

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Help :Very low signal (Neumann)
« on: September 23, 2011, 08:43:18 AM »
Hi,

I've tried to record my stereo with my new Neumann ring  and the output signal from the pream is very low.
I have an olympus ls10 and even if I plug my jack 3.5 to  the mic input with max record level, the recording is very very low : WHY??

here is my ring
NEUMANN KM140 + PREAMP NEUMANN BS48i-2  + LS10


Thanks in advance
Chris


DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

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Re: Help :Very low signal (Neumann)
« Reply #1 on: September 23, 2011, 10:14:58 AM »
Hi,

I've tried to record my stereo with my new Neumann ring  and the output signal from the pream is very low.


I'll start off by saying you're not using a preamp; the BS48i-2 is just a power supply. So that's going to be part of your problem.


I have an olympus ls10 and even if I plug my jack 3.5 to  the mic input with max record level, the recording is very very low : WHY??

When you tested this, what was the environment, at home or at a loud club while the band was rocking out?
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

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Re: Help :Very low signal (Neumann)
« Reply #2 on: September 23, 2011, 10:16:49 AM »
Get a preamp instead of using the power supply!!
Mics: DPA ST4011ER & 4018ER | Neumann kk 184 (matched)> Nbob/PFA
Preamps: DPA MMA 6000 | Audioroot Femto
Recorders: Sound Devices Mixpre-10 II | Sony PCM A10

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|Record|  Runtime: 4:19.99  {|||] 75%

Offline chrisv31

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Re: Help :Very low signal (Neumann)
« Reply #3 on: September 23, 2011, 10:35:21 AM »
I just called Sennheiser France and you're right it's just a power supply so I'm completly WRONG (noooooooooooooooo!!!!!!!!!!!!!!!)  :'(

If I buy a tascam dr100 maybe i can us it as pream and  I can keep my power supply , what do you think about it?

Any good Preamps to recommend me ?
Cheers
Chris
DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

Offline chrisv31

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Re: Help :Very low signal (Neumann)
« Reply #4 on: September 23, 2011, 11:39:13 AM »
So what can I do ?
DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

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Re: Help :Very low signal (Neumann)
« Reply #5 on: September 23, 2011, 11:48:35 AM »
So what can I do ?

Have you tried to the high setting on the olympus for mic in? (pg 24/25)
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

"Nostalgia ain't what it used to be." - Jim Williams

Offline chrisv31

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Re: Help :Very low signal (Neumann)
« Reply #6 on: September 23, 2011, 12:55:49 PM »
Jon,

Where can I found a transformer or are you able to build one for me?
That will be a good option, let me know.

If I can keep my neumann power supply that will be great , I think that is a very good built-in product, what do you think?



Chris
« Last Edit: September 23, 2011, 12:59:31 PM by chrisv31 »
DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

Offline John Willett

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Re: Help :Very low signal (Neumann)
« Reply #7 on: September 23, 2011, 02:22:18 PM »
Hi,

I've tried to record my stereo with my new Neumann ring  and the output signal from the pream is very low.
I have an olympus ls10 and even if I plug my jack 3.5 to  the mic input with max record level, the recording is very very low : WHY??

here is my ring
NEUMANN KM140 + PREAMP NEUMANN BS48i-2  + LS10




Thanks in advance
Chris

That's not a pre-amp - it's a 48V phantom power supply unit.

It will output the same level as the mic. puts out.

You should plug the output into a mic. input.

You don't need this at all if your recorder has a phantom power switch.
« Last Edit: September 24, 2011, 07:15:19 AM by John Willett »

Offline acidjack

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Re: Help :Very low signal (Neumann)
« Reply #8 on: September 23, 2011, 02:35:25 PM »
When I run a basic P48 box (the Denecke PS-2, a much crappier version of the nice Neumann power supply you have) into my M10, I find the best way to get decent levels unless it is REALLY loud is to use mic-in, phantom power off, sensitivity LOW. If that doesn't get you there, then try high. 
Mics: Schoeps MK4V, MK41V, MK5, MK22> CMC6, KCY 250/5, KC5, NBob; MBHO MBP603/KA200N, AT 3031, DPA 4061 w/ d:vice, Naiant X-X, AT 853c, shotgun, Nak300
Pres/Power: Aerco MP2, tinybox v2  [KCY], CA-UBB
Decks: Sound Devices MixPre 6, Zoom F8, M10, D50

My recordings on nyctaper.com: http://www.nyctaper.com/?tag=acidjack | LMA: http://www.archive.org/bookmarks/acidjack | twitter: http://www.twitter.com/acidjacknyc | Soundcloud: https://soundcloud.com/acidjacknyc

Offline hi and lo

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Re: Help :Very low signal (Neumann)
« Reply #9 on: September 23, 2011, 02:42:29 PM »
Line transformers can give you some gain. I used to use them KM140 > PS-2 > Hosa Line Transformers > DAT. It definitely helps get better levels.

Offline chrisv31

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Re: Help :Very low signal (Neumann)
« Reply #10 on: September 23, 2011, 04:24:50 PM »
Jon,
About your idea to use a Neutrik NTE4, i'm a little bit lost and can't find on google more informations about it and the way to use it :(

Page, Acidjack,
I've tried to hight settings my olympus but I still have the same result :(

hi and lo,
A Line transformers will be a good solution but I need a 5 PIN XLR female to 1 minjack 3.5 stereo  and I don't know if it exists.

Thanks again for your help !
DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

Offline hi and lo

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Re: Help :Very low signal (Neumann)
« Reply #11 on: September 23, 2011, 04:37:51 PM »

hi and lo,
A Line transformers will be a good solution but I need a 5 PIN XLR female to 1 minjack 3.5 stereo  and I don't know if it exists.

You would need a 5-pin > dual 3-pin xlr cable.

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Re: Help :Very low signal (Neumann)
« Reply #12 on: September 23, 2011, 04:42:52 PM »
I've tried to hight settings my olympus but I still have the same result :(

Was there any change between high/low settings or just not enough change?

Where are you testing it, in a loud club?
"This is a common practice we have on the bus; debating facts that we could easily find through printed material. It's like, how far is it today? I think it's four hours, and someone else comes in at 11 hours, and well, then we'll... just... talk about it..." - Jeb Puryear

"Nostalgia ain't what it used to be." - Jim Williams

Offline chrisv31

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Re: Help :Very low signal (Neumann)
« Reply #13 on: September 24, 2011, 09:56:14 AM »
Page,
I'm going to test my ring for the first time in situation (gig in a small venue) next wednesday.

What do you think about the Sound Devices Mixpre , because I've found one with an very good price (second-hand), is it possible to plug my neumann on it ?

Chris
DPA 4061 + MPS 6030 + LS 10 Olympus
NEUMANN KM140 + Neumann BS48i-2

Offline hi and lo

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Re: Help :Very low signal (Neumann)
« Reply #14 on: September 24, 2011, 11:36:51 AM »
The mixpre is a great unit. It does provide 48v and is very small and compact. You probably won't notice mich difference in size between it and the BS48i.

The only downside I feel might be of concern with the mixpre is the short run time on 2 AA batteries. You'll probably get at least 2.5 to 3 hours (maybe more... Not how it will truly last) so for most shows its a non-issue, but force you to bring along spare batts or require an external power source for when you need longer continuous runtimes.

 

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