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Is it okay to leave 1/4" cables always plugged in to a mic preamp DI?
Old 11th August 2018
  #1
Gear Nut
 

Is it okay to leave 1/4" cables always plugged in to a mic preamp DI?

Hi all,
I record my synths and keyboards with the DI input of my microphone preamps and into my I/O interface.

Is it okay to always keep the instrument cables plugged in from my keyboards to the mic preamp DI inputs when not in use and they're both turned off? I don't have anything else plugged into the other inputs on the preamp.

I am asking because I've read in several analogue rack unit processor manuals that you shouldn't leave unterminated 1/4" cables plugged into DI inputs. What does this mean exactly?

Thank you
Old 11th August 2018
  #2
Lives for gear
 
Poinzy's Avatar
 

I would interpret "unterminated" as "not connected to something at the opposite end".

I never leave cables with their bare ends hanging out. It's just the way I am.
Old 11th August 2018
  #3
Lives for gear
Quote:
Originally Posted by Ari88 View Post
Hi all,
I record my synths and keyboards with the DI input of my microphone preamps and into my I/O interface.

Is it okay to always keep the instrument cables plugged in from my keyboards to the mic preamp DI inputs when not in use and they're both turned off? I don't have anything else plugged into the other inputs on the preamp.

I am asking because I've read in several analogue rack unit processor manuals that you shouldn't leave unterminated 1/4" cables plugged into DI inputs. What does this mean exactly?

Thank you
If your cables are plugged in at both ends, the cables are terminated.
However, whether it is a good idea to keep the keyboards plugged into the DI inputs on the interface, that depends.
When you power the system up and down with everything plugged in, if the keyboard powers up even slightly after the interface, it could send a serious pop or thump through the DI, and perhaps all the way to the speakers. That can be bad for all the equipment except the keyboard, which sends the spike but doesn’t receive it.
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