SP-3 Spontaneous Power Off

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Timslim18

  • Jr. Member
  • Posts: 44
SP-3 Spontaneous Power Off
« on: 13 Dec 2021, 04:14 pm »
My family and I love watching movies and really enjoy the audio quality of our SP-3.  For the lower end of the audio range we have a Seaton SubMersive with dual 15" drivers.

Several years ago, we were experiencing the SP-3 spontaneously powering off during instances of high subwoofer output.  I sent the unit into Bryston for service and they could find nothing wrong with it.  They could only recommend a change in the position and mounting of the SP-3.  I got a Middle Atlantic 48 unit rack to house the SP-3, Bryston amplifiers and ancillary electronics for our home theatre. I placed the SP-3 on softer feet within the cabinet and the spontaneous power off issue disappeared until this past weekend.

My questions to the community:

1. Has anyone else experienced this phenomena?
2. If so, what did you do to mitigate this?
3. Any other suggestions?

Thanks for reading.

Tim

 

ragg987

  • Jr. Member
  • Posts: 74
Re: SP-3 Spontaneous Power Off
« Reply #1 on: 13 Dec 2021, 05:47 pm »
This happens to me if the ethernet cable is plugged in. It only started when I either moved house or upgraded the firmware, I am unable to pinpoint which. I just leave that unplugged now.

gbaby

  • Full Member
  • Posts: 927
Re: SP-3 Spontaneous Power Off
« Reply #2 on: 13 Dec 2021, 09:59 pm »
My family and I love watching movies and really enjoy the audio quality of our SP-3.  For the lower end of the audio range we have a Seaton SubMersive with dual 15" drivers.

Several years ago, we were experiencing the SP-3 spontaneously powering off during instances of high subwoofer output.  I sent the unit into Bryston for service and they could find nothing wrong with it.  They could only recommend a change in the position and mounting of the SP-3.  I got a Middle Atlantic 48 unit rack to house the SP-3, Bryston amplifiers and ancillary electronics for our home theatre. I placed the SP-3 on softer feet within the cabinet and the spontaneous power off issue disappeared until this past weekend.

My questions to the community:

I have never had this issue and I have owned my SP3 since November 2012. I would check my subwoofer cable and the subwoofer, itself.


1. Has anyone else experienced this phenomena?
2. If so, what did you do to mitigate this?
3. Any other suggestions?

Thanks for reading.

Tim
I have never had this issue and I have owned my SP3 since November 2012. I would check my subwoofer cable and the subwoofer, itself.

Timslim18

  • Jr. Member
  • Posts: 44
Re: SP-3 Spontaneous Power Off
« Reply #3 on: 15 Dec 2021, 03:40 pm »
This happens to me if the ethernet cable is plugged in. It only started when I either moved house or upgraded the firmware, I am unable to pinpoint which. I just leave that unplugged now.

Noted.  Thanks for the reply.

servingko

  • Jr. Member
  • Posts: 141
Re: SP-3 Spontaneous Power Off
« Reply #4 on: 22 Dec 2021, 05:57 am »
No problem with mine either.  My son has one as well and reports no spontaneous shut downs as well.  I am running a pair of Seatons as well - F18 slaves with each powered by a PP300.
« Last Edit: 23 Dec 2021, 12:38 am by servingko »