[LAU] checking passive input frequencies on non Hi-Z connection

Tim termtech at rogers.com
Sat May 27 02:21:17 UTC 2017

On 05/26/2017 09:30 PM, Wayne DePrince Jr. wrote:
> ahoy all,
> 	first, thanks for all the informative and detailed replies.  this list
> as always is a valuable resource.
> 	one quick follow up question as i digest all this: since it seems
> whether i use a DI box, preamp or effect pedal (one of which i actually do not
> currently have), the overall sentiment seems to suggest using something in the
> passive electric/bass guitar signal chain before directly inputing into an
> interface/mixer.  however, as i mentioned, some of these interfaces i am also
> testing out (e.g. Edirol FA-66, Zoom U-44) have a Hi-Z button on an input
> which supposedly allows direct inputing of a passive signal.  is this Hi-Z
> button just enabling some internal DI box or preamp?  are there drawbacks to
> using it instead of using an actual DI box, preamp, etc?  seems like just
> another way to match that signal to something expected by the input, but again
> i am still wading my way through all this.
> 	OK, thanks again for all your advice and help.
> peace, w
Hi, if your interface has hi-z input, it's preferable to using something 
The internal circuit is tightly designed and integrated properly around 
that input.
Minus one power supply for external active DI or effect box (unless 
Minus one patch cord.
(Never discount either causing trouble, eh?)

I use my DI box for plugging in to line-level lower impedance inputs 
like stereos,
  sound cards, or PA systems. Or, with my DI model I can split the 
signal and
  record at low impedance while playing through the guitar amp's high 
Awesome feature.


More information about the Linux-audio-user mailing list