speakers lose station setting when powered down.

5 replies
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I have Era100 speakers used primarily to listen to radio. When you wake up the speaker it resumes playing the station last set to, however, if the power is disconnected (e.g. a power cut) it loses this connection and one needs to reconnect to the required station via the app. This is not a big deal but is inconvenient. Is there any way to configure the system so that the speaker will automatically reconnect to the source (radio station) last connected to prior to the power being disconnected?

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jgatieAnswer

I accept that normally one does not power down the speakers, however, we do get power cuts from time to time and there are occasions when it is necessary to switch off circuits at the consumer unit.

The station is held in volatile memory, which doesn’t survive a power off. In order to resume the station on power up, it would need to be written to non-volatile memory periodically and then read in upon power up. But non-volatile memory only has a certain limit (~100k or so for older Sonos devices) of write/erase cycles before starting to deteriorate, and constantly writing out the station info would soon reach that limit. So Sonos chooses to favor unit reliability/longevity over the convenience of having stations/cues survive a power outage.

Stanley_4

Grand Maestro

Sonos are not intended to be powered down but left on 24x7. They automatically enter a low power mode when idle.

Since the currently playing data is stored on the speaker it will be lost if powered down.

J

JohnDLAuthor

Contributor I

I accept that normally one does not power down the speakers, however, we do get power cuts from time to time and there are occasions when it is necessary to switch off circuits at the consumer unit.

jgatieAnswer

I accept that normally one does not power down the speakers, however, we do get power cuts from time to time and there are occasions when it is necessary to switch off circuits at the consumer unit.

The station is held in volatile memory, which doesn’t survive a power off. In order to resume the station on power up, it would need to be written to non-volatile memory periodically and then read in upon power up. But non-volatile memory only has a certain limit (~100k or so for older Sonos devices) of write/erase cycles before starting to deteriorate, and constantly writing out the station info would soon reach that limit. So Sonos chooses to favor unit reliability/longevity over the convenience of having stations/cues survive a power outage.

T

TyBrewer

Lyricist II

Given all the “lost functionality” with the new app and updates, such as slower response time, lag in setting volume, and general usability issues that come with having all activities relayed to “the cloud”, certainly, it’s possible to store this data in “the cloud” along with everything else. Seems like a missed opportunity to address a common complaint.

Stanley_4

Grand Maestro

Gaaaahhh! I want "my" Sonos back. If we have to have a cloud at least make it optional so my system works for local music with no required access to some remote machine.

I will admit that if we have to have the cloud there is a lot of stuff that could be stored there that would be nice, stations as mentioned, plus all the other stuff that is only in transient memory on the players due to write cycle considerations.

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