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Re: Sorry, per the 9000ES service manual,

Posted by Allen Wright (M) on April 10, 2007 at 06:56:06

In Reply to: Re: Sorry, per the 9000ES service manual, posted by beto1 on April 9, 2007 at 17:49:16:

Hi,
>I'm looking for a Hammond step down. There is one toridal and one Ei type. The toroidal provides isolation, as they stated on the features<

Not in my experience - toroids couple high frequecy hash and noise far more than an EI core transformer - unless they have made the toriodal in very special way.

>Why I need 100VZ VA power rating?<

Becuase it's far more than the player needs, therefore will not limit the player. A smaller transformer may well cause a loss of dynamics or other sonic problem.

> Why this can provide a line filter?<

Because, if it is a EI core, with the primary and secondard windings on separate bobbins, the high frequency response of such a transformer is poor - hence the high frequency noise & hash present on ALL wall supplies will not transfer to the player.

>Greetings to your beautiful city!!<

You know Schaffhausen?

Regards, Allen

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