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All this DI/Preamp stuff is confusing!!
Old 12th May 2006
  #1
Here for the gear
 
jibarosoul's Avatar
 

All this DI/Preamp stuff is confusing!!

I have various drum machines and synths that i track thru an amek neve 9098dma di input, but i am reading that I should then go into a mic pre before my mini-me converter. I go into the neve unbalanced. The 9098dma is obviously outputing a balanced signal. Would it be better to get some DI's then go into the neve @ mic level? Also, how would this change coming from a balanced synth?
Old 12th May 2006
  #2
Moderator
 
TonyBelmont's Avatar
 

Quote:
Originally Posted by jibarosoul
I have various drum machines and synths that i track thru an amek neve 9098dma di input, but i am reading that I should then go into a mic pre before my mini-me converter. I go into the neve unbalanced. The 9098dma is obviously outputing a balanced signal. Would it be better to get some DI's then go into the neve @ mic level? Also, how would this change coming from a balanced synth?
No... you can try it. But, you already have it setup properly. If you use a DI into a preamp you will increase noise, but also get the transformer characteristics. Try for your self and see which one you prefer.
Old 12th May 2006
  #3
Gear Nut
 

ok so its not advisable to go with a mic pre into your converter after a DI?


i thought it was.
Old 12th May 2006
  #4
Moderator
 
TonyBelmont's Avatar
 

Quote:
Originally Posted by crew14
ok so its not advisable to go with a mic pre into your converter after a DI?


i thought it was.
It is advisable for you to try it for yourself and see which you prefer.... it gives you a different sound.
Old 12th May 2006
  #5
Quote:
Originally Posted by TonyBelmont
No... you can try it. But, you already have it setup properly. If you use a DI into a preamp you will increase noise, but also get the transformer characteristics. Try for your self and see which one you prefer.

This maybe a problem...


the Amek 9098 mic pre's are transformerless.
Old 12th May 2006
  #6
Moderator
 
TonyBelmont's Avatar
 

Quote:
Originally Posted by thethrillfactor
This maybe a problem...


the Amek 9098 mic pre's are transformerless.
Oh yeah, the marketing called it a "TLA or Transformer-Like Amplifier' design". In this case, the topology includes a discrete transistor front end feeding an OP275 and a pair of NE5534 ICs (for the geekslutz out there). Although... when you look at the schematic, it looks as though there is a transformer in the path called the VT30972, which I can't figure out exactly what it is.. Do you have one over there?
Old 12th May 2006
  #7
Lives for gear
 
hmiller's Avatar
Quote:
Originally Posted by crew14
ok so its not advisable to go with a mic pre into your converter after a DI?


i thought it was.

I thought it was too since you'd be hitting the input transformer of the pre and have more tonal variety. The DI on some pres do hit the input transformer, like the great river stuff. Not to hijack the thread, but I'm curious how pronounced the difference is using mic input (impedance, loading options) when working with synths and drum machines.
Old 12th May 2006
  #8
Gear Addict
 

if its a preamp built with transformers and a DI you are almost guaranteed it will color the sound by plugging directly in. Again, a box of 500 series pres like A Designs, API, OSA, whatever is a good way to inject color and get a lot of channels
Old 13th May 2006
  #9
Here for the gear
 
jibarosoul's Avatar
 

OK got that thanks, how about if its a balanced synth output?
Old 13th May 2006
  #10
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TonyBelmont's Avatar
 

Quote:
Originally Posted by jibarosoul
OK got that thanks, how about if its a balanced synth output?
I would come out unbalanced and hit a DI and get some character, rather than just connecting it directly to a converter....
Old 13th May 2006
  #11
Gear Maniac
 
Biggsheff's Avatar
 

I'm tryin my best to pick up on DI's an mic pre's. From someone coming straight from software to hardware this stuff is still way over my head. My setup looks like this.

Motif >>MV8000>> Firebox>>CPU>>Cubase LE

So where in this chain should the DI an the pre amp be placed ? And what does a DI box do ? Takes the main audio out into the DI and has a XLR on the other end which can be plugged into a pre for more warmth an tweaking ?
I'm tryin my best to pick up on this. Should I **** can the firebox for somethin better ?
Old 13th May 2006
  #12
no ssl yet
Guest
Quote:
Originally Posted by TonyBelmont
I would come out unbalanced and hit a DI and get some character, rather than just connecting it directly to a converter....


How do you come out UN balanced from a synth with Balaced outs?
Old 13th May 2006
  #13
Moderator
 
TonyBelmont's Avatar
 

Quote:
Originally Posted by no ssl yet
How do you come out UN balanced from a synth with Balaced outs?
Use a female XLR - TS cable.
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