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Offline Martin Colloms  
#1 Posted : 25 July 2020 11:41:20(UTC)
Martin Colloms

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Joined: 15/07/2008(UTC)
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The sound of amplifier loop negative feedback

This has been a pet subject of mine for 30 years or more. Greatly generalising,
there have been sufficient examples to modestly correlate the sound of increasing
negative feedback with reduced sound quality.

Highlighting the issue is the Delétraz pre-power,the subject of a feature review
in the coming edition of HIFICRITIC, exploring the product of a designer
with nothing short of an obsession for avoiding loop negative feedback.

If ever I wished to hear an example of this idea fully expressed in a transistor design, this is it.

'SE triode sound on steroids’ one listener opined

Martin Colloms
Offline en1omb  
#2 Posted : 28 July 2020 18:30:39(UTC)

Rank: HIFI Guru

Joined: 27/02/2009(UTC)
Posts: 299
Location: Bristol

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Some interesting insights into the Dartzeel design here:
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