Re: Impedance matching speaker switch recommendations

["Phil Harris phil@xxxxxxxxxxx [ukha_d]" <ukha_d@xxxxxxxxxxxxxxx>]

:-)

Phil

Sent from another bloody fruit-based portable device...

> On 18 Jul 2016, at 09:36, Paul Gordon paul_gordon@xxxxxxx [ukha_d]
<ukha_d@xxxxxxx> wrote:
>
> Hmm... that's an idea... it does have Line out, and I do already have
one or
> two little stereo amplifiers kicking about somewhere...  certainly
worth a
> try...
>
> Paul G.
>
>
> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx]
> Sent: 18 July 2016 10:25
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Impedance matching speaker switch
recommendations
>
> Does the SONOS have a preamp out on it?
>
> If so, get a little cheap stereo amp and use that from the preouts to
drive
> the second set of speakers...?
>
> eBay should find you a stereo amp for next to no money...
>
> Phil
>
> Sent from another bloody fruit-based portable device...
>
>>> On 18 Jul 2016, at 08:31, Paul Gordon paul_gordon@xxxxxxx
[ukha_d]
>> <ukha_d@xxxxxxx> wrote:
>>
>> Hi all
>>
>> Yesterday I dug out my old spare pair of Bose 151 outdoor speakers
and
> decided to mount them as a second pair on another side of the house,
> connected back to the same SONOS ZP100 as another pair mounted on the
deck.
>>
>> My problem is now that I have 4 x 4ohm speakers to connect.... And
because
> these are for 2 different sides of the house, I really want to be able
to
> have on/off control of the 2nd pair... But I don't particularly care
about
> independent volume control.
>>
>> I *could* just simply connect them in series, but I really don't
want to
> do that, since that precludes the possibility of on/off switching of
either
> pair, and also because SONOS strongly advise against series speaker
> connections.
>>
>> I can't connect them in parallel, since that would result in a
2ohm load,
> which is unsuitable for the zoneplayer (supports 4-16 ohm loads).
>>
>> Hence I need a 2-channel A/B speaker switch with impedance
protection to
> ensure a constant suitable load is presented to the amplifier. I had
an old
> Maplins 2-way switch in my spares bin, but when I tried to wire it up,
> strange things happened, so I guess it is not properly impedance
matching...
> :-(
>>
>> Anyone got any recommendations for a good quality speaker switch I
can use
> in this situation?
>>
>> Cheers
>>
>> Paul G
>>
>> Sent from my iPad
>>
>> ------------------------------------
>> Posted by: Paul Gordon <paul_gordon@xxxxxxx>
>> ------------------------------------
>>
>>
>>
>> ------------------------------------
>>
>> Yahoo Groups Links
>
>
>
> ------------------------------------
> Posted by: Phil Harris <phil@xxxxxxx>
> ------------------------------------
>
>
>
> ------------------------------------
>
> Yahoo Groups Links
>
>
>
>
>
> ------------------------------------
> Posted by: Paul Gordon <paul_gordon@xxxxxxx>
> ------------------------------------
>
>
>
> ------------------------------------
>
> Yahoo Groups Links
>
>
>



------------------------------------
Posted by: Phil Harris <phil@xxxxxxx>
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