[sdiy] passive ring modulator transformers

[Kylee Kennedy]

Check out Laurentides PRM2 build guide and BOM...

http://www.laurentidesynthworks.net/prm2.html

Also I haven't tested them yet but I grabbed these from Mouser (though
cheaper elsewhere) Triad audio transformer:

https://octopart.com/search?q=553-TY141P


Cheers
Kylee





On Sat, Jan 16, 2016 at 5:45 PM, <alfred.pear at gmail.com> wrote:

> Hi Again -
>
> Neil, the LT44s are spec'd for 300hz to 3.4khz, which makes them pretty
> similar to a lot of the audio transformers I've been looking at. Is your
> general experience that they are fairly accommodating in the lower range?
>
> Has anyone experimented with the higher-end transformers spec'd for 20hz
> to 20khz in this design?
>
> It seems like most things will "float" here - I was just curious if anyone
> knew about a particular (somehow affordable) transformer that perfectly
> straddled the "real" and the 'ideal."  Should know better by now!
>
>
>
>
>
>
>
> On Sat, Jan 16, 2016 at 8:04 PM, Neil Johnson <neil.johnson71 at gmail.com>
> wrote:
>
>> Hi,
>>
>> > i'm currently trying to figure out how to get reasonably affordable
>> > transformers for a passive ring modulator.
>> >
>> > i'm finding that terminology like "audio transformer" does not
>> necessarily
>> > correspond to a 20hz to 20khz frequency response - and that those types
>> of
>> > transformers seem quite rare & expensive. i realize low frequency is a
>> > perpetual problem in the x-former world, but it would be nice to find
>> > something that reliably reached a low of 100hz.
>> >
>> > i was wondering if people had any go-to sources for the kind of
>> solution i'm
>> > looking for.
>>
>> Try a couple of LT44s.
>>
>> Neil
>> --
>> http://www.njohnson.co.uk
>>
>
>
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