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Dummy OPT Circuit For Hi-Fi?
Dummy OPT Circuit For Hi-Fi?
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Old 11th January 2018, 12:48 AM   #1
FullRangeMan is offline FullRangeMan  Brazil
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Default Dummy OPT Circuit For Hi-Fi?

Hi,
Wonder if this OPT circuit equivalent can be useful for hi-fi appliance?
http://mercurymagnetics.com/images/p...schematic2.pdf
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Last edited by FullRangeMan; 11th January 2018 at 01:17 AM.
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Old 11th January 2018, 07:55 AM   #2
artosalo is offline artosalo  Finland
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Do you mean in LT Spice simulations ?
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Old 11th January 2018, 07:27 PM   #3
FullRangeMan is offline FullRangeMan  Brazil
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No, I mean say to SE tube amps to hi-fi music.
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Old 11th January 2018, 09:09 PM   #4
PRR is offline PRR  United States
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It's marketing puff.

The circuit is book-standard transformer *equivalent*. All that stuff is in there, like it or not.

Except-- it isn't a transformer! No turns-ratio, no isolation.

The text below that confounds reactance, information, and distortion in an unclear way.
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Old 12th January 2018, 06:03 PM   #5
FullRangeMan is offline FullRangeMan  Brazil
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Thanks Bro I appreciated.
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Old 12th January 2018, 08:33 PM   #6
stocktrader200 is offline stocktrader200  Canada
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that cct is so bad. There is no electrical connection between primary and secondary in a standard transformer. The common ground is ok but the tube to speaker connection only exists magnetically
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Old 13th January 2018, 03:21 PM   #7
Michael Koster is offline Michael Koster  United States
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Those diagrams are usually used to teach about the "equivalent" circuit that the tube "sees" and that the speaker "sees", and to model effects like frequency response due to so-called "stray" inter-winding and intra-winding capacitance. Note all the quotes in the above because it's just a rough model for teaching.

Except in this case, a bunch of gobbledegook word salad is placed under it to make the reader think that it's so complex they can't possibly understand it and it's better left to the experts at their company. Some of the statements are probably false...

So here we have a sort of anti-teaching moment brought to you by advertising.
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