Stereo Attenuator Crosstalk

discussion of magnetic volume control design for both line and speaker levels.

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rdf
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Joined: Mon Apr 05, 2021 7:48 pm

Stereo Attenuator Crosstalk

Post by rdf »

Hi,

Does the dual mono version on the Elma 47 have a perfomance advantage over the single stereo model regarding crosstalk? The autoformers appear close to each other in the pictures. Thanks.
dave slagle
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Post by dave slagle »

i just checked a pair and the crosstalk was less than 60dB @ 100hz

dave
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rdf
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Joined: Mon Apr 05, 2021 7:48 pm

Post by rdf »

Thanks for checking Dave. So the benefit depends on degree of audio neurosis.
Better shielded than unshielded chassis?
dave slagle
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Post by dave slagle »

A shielded chassis doesn't hurt and a simple steel box will suffice.

dave
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rdf
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Joined: Mon Apr 05, 2021 7:48 pm

Post by rdf »

Thanks again.
Where is information available about the purchasing and shipping process? Is pickup at a UPS or post office (Canada) an option? Don't want to feed the porch pirates, thx.
dave slagle
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Post by dave slagle »

If I insure the package a signature will be required. Pop me an email and we can discuss the options privately.

dave
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