Re: [Ensoniq-VFX-SD] Re: loud pop when turning of f
2008-06-01 by Claus
Well, pop-sound comes from the VFX-output stage, which is not 'protected' with relays or some muting circuit, until stable power is establised. So You hear the 'sound' of the output stage 'starting up/shutting down'. One could build a relay circuit, that keeps the output off for a few seconds after power on, and cuts the output as soon power is gone. A 555-timer and a few other components can do the delay stuff. Well, even a single transistor, resistor and capacitor will suffice, but 555-s are dead easy and cheap, and can be made more precise in timing.
BUT, remember to use a high quality relay, since the precious sound have to go through it. It's a lot easier to just shot down connected gear, after the amp's ))
Claus, DK
-----Original Message-----
From: eightiescrisis@...
Sent: Sunday, June 1, 2008 6:17 AM -07:00
To: Ensoniq-VFX-SD@yahoogroups.com
Subject: [Ensoniq-VFX-SD] Re: loud pop when turning off
--- In Ensoniq-VFX-SD@yahoogroups.com, Claus wrote:
>
> As Bob says, turn down the connected stuff first.
>
> ALWAYS switch on amp(s) LAST, when powering up. At power down, switch off the
amp(s) FIRST!
> That way, Your speakers don't need to suffer from "heart attacks" ;)
>
> Claus, DK
>
>
> -----Original Message-----
> From: tttsystems@...
> Sent: Sunday, May 25, 2008 6:00 PM -07:00
> To: Ensoniq-VFX-SD@yahoogroups.com
> Subject: [Ensoniq-VFX-SD] loud pop when turning off
>
> Turn down/off your mixer/power amp before you turn off the VFX.....
>
> Bob
> El Segundo, CA
>
>
> ----- Original Message -----
> From: eightiescrisis
> To: Ensoniq-VFX-SD@yahoogroups.com
> Sent: Sunday, May 25, 2008 10:46 AM
> Subject: [Ensoniq-VFX-SD] loud pop when turning off
>
>
> when i turn off my vfx sd it makes a loud pop in the audio stream
>
> how can i eliminate this pop and save my hearing and monitors?
>
thanks for the response
anyone know why this pop happens with my vfx and not my other gear?