In article
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wrote:
Yes - that will wire them in series. But depending on type one may not
work properly as it depends on how much current each takes. They really
need to be the same.

I have two of these which can be heard throughout the largish house.

http://www.tlc-direct.co.uk/Products/VE792.html

4 6 8 volts .63amp transformer

Hmm. I wonder if that is meaty enough. Mine is 1 amp.


Dingdongs dont always work well in series. Ditto bells.

After some experimenting I found my two identical bells worked best in
series. Of course it might also depend on your transformer.

So yes you could put something in series at the transformer, increase
the voltage tap on the transformer and replace the bellpush lightbulb
with a higher voltage one, but there's no guarantee that the 2 sounders
will behave properly together.

Indeed. You can only experiment. But it sounds like the OP doesn't have
the option to wire them in parallel.

I'd do what Dave suggested and use a mechanical bell instead. Noisy
buggers they can be.

I still needed two here. Tend to have the radio on a lot.

--
*Reality is the illusion that occurs due to the lack of alcohol *

Dave Plowman London SW
To e-mail, change noise into sound.