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Correct Power Off

vanni, modified 5 Years ago.

Correct Power Off

Youngling Posts: 4 Join Date: 1/24/17 Recent Posts
Hello, I recently bought a pair of 8030B and I'm not really sure if correctly powering everything in the right way/sequence. When I shutdown everything I always power off the genelec first and then the audio interface, but this always gives some powering on back on genelec for a second (green LED on for a second and pop noise) then off. Is it normal? I mean is it normal that also if the the individual speakers are turned off, when I shutdown the audio interface(SPL Crimson) I see the green LED on and pop noise for a second?

Note: the SPL Crimson doesn't have a power off button so I shut it down by the UPS.

The setup is:
-iMac and SPL Crimson on UPS,
-Genelec 8030B (pair) on Multiple-socket

Thanks in advance
ilkka-rissanen, modified 5 Years ago.

Re: Correct Power Off

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
Hello,

Thanks for your question. Do you have the ISS function enabled or disabled? Can you let me know the serial numbers of the monitors?
vanni, modified 5 Years ago.

Re: Correct Power Off

Youngling Posts: 4 Join Date: 1/24/17 Recent Posts
Yes the ISS is enabled. (I think cause after some time of inactivity they automatically power off and power on when I play something). For the serial: 8030BPM61031373 (back of one speaker).

I noticed that if I wait a bit more after I powered off individual speakers there is no pop noise.
ilkka-rissanen, modified 5 Years ago.

Re: Correct Power Off

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
So that means that the pop noise actually comes from your other devices, probably from the audio interface, which the speaker just plays because it is not completely shut down yet. Problem solved? :)
vanni, modified 5 Years ago.

Re: Correct Power Off

Youngling Posts: 4 Join Date: 1/24/17 Recent Posts
Not really sure. Do you have an advice?
ilkka-rissanen, modified 5 Years ago.

Re: Correct Power Off

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
But you already figured out the reason for the noise?

"I noticed that if I wait a bit more after I powered off individual speakers there is no pop noise."

You just have to wait little bit longer before you power off your audio interface.
vanni, modified 5 Years ago.

Re: Correct Power Off

Youngling Posts: 4 Join Date: 1/24/17 Recent Posts
Yeah Ok, but I prefer to hear from you what whould be the best way to avoid the problem.
Thanks :D