John, is there a modification for to remove those noises? Do 3rd party electronics also carry those 
noises or are they something with the power rails under the transport? Sorry if these are ignorant 
questions, I'm not that familiar with the innards of ATR's.

-- Tom Fine

----- Original Message ----- 
From: "John K. Chester" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, August 29, 2014 4:33 PM
Subject: Re: [ARSCLIST] recording "cleanup" plugins and 192/24


> At 05:06 PM 8/29/2014, Shai Drori wrote:
>>So if I turn the display off the 28.8 kHz goes away?
>
> No, that noise on an ATR is actually coming from the reel motor drivers.  The display generates 
> other noise which starts somewhere in the mid-50's of kHz and has lots of harmonics.
>
> Turning off the display removes a lot of the noise spikes in the audio output but not all of them.
>
> -- John Chester
>
>