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In the Forum: Horn-Loaded Speakers
In the Thread: Myth: High-efficiency Low-power
Post Subject: Re: Problems with SETs?Posted by drdna on: 1/2/2006

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 Romy the Cat wrote:

what do you see fundamentally appealing in the symmetry of the differential circuits and what the relations between Sound the symmetry? Not to mention that the perfectly symmetric circuits do not exists. I’m very far form the people who could credibly explain to you the advantages of SE design but the dynamic superiority (among many other things) of a properly built SETs well described in literature.  You may try a good SET running in A1 with appropriate speaker and you would see that nothing could stay next to no-feedback SETs dynamic-range wise.



I am talking about use with high-efficiency speakers, but really thinking about the topology.  I do not know anything about electronics really so I am hoping someone can shed some light on this for me. 

The ideal circuit in my mind connects the speaker to the electron source, but this cannot be done entirely because we need some modulation circuitry in between.  The transfer of electrons is instantaneous but there is no control.

Differential design creates symmetry and this allows a symmetrical degree of control of the drivers over the positive and negative motion of the drivers.  More control can be better if it leads to more accurate duplication of the source signal.  But there is a lot of circuitry in the way of the electons to get to the driver and this can be a bad thing.

Single ended circuits have the control in one arm of the signal path and a direct connection to the electron source in the other.  This compromise I would guess should make less controlled but more dynamic sounds.  Is this what yoyu are saying????

Adrian

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