Damping Factor - Interesting article


Benchmark Media published interesting article on Damping Factor.  I already knew that it does not make much difference for the damping of the membrane, but low output impedance is necessary to drive changing impedance ot the speaker (ideal voltage source).  According to this article DF=100 produces about 0.5dB variations typically, while DF=200 reduces it to 0.1dB.  DF above 200 is inaudible.

https://benchmarkmedia.com/blogs/application_notes/audio-myth-damping-factor-isnt-much-of-a-factor?omnisendAttributionID=email_campaign_5eda3b728a48f72deaf34bf2&omnisendContactID=5cf9266b15b61cc5a2a4dee7&utm_campaign=campaign%3A+AUDIO+MYTH+-+%22DAMPING+FACTOR+ISN%27T+MUCH+OF+A+FACTOR%22+%285eda3b728a48f72deaf34bf2%29&utm_medium=email&utm_source=omnisend

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"With low-damping-factor tube amps, I hear more of a sense of ease and liveliness and immersion. I’m hearing more stuff going on, it’s like the voices and instruments have more texture. Music is more engaging at lower sound pressure levels, which I think is related to the low-level details not needing as much SPL in order to be audible. At high sound pressure levels the difference is arguably even more noticeable, as there is an absence of the edginess which often starts to set in as the SPL goes up. I’m hearing more of a difference in soundscape and ambience from one recording to the next, with more of a sense of being "transported into" the recording, especially when it’s a really good one. There is a powerful emotional experience (some might call it spiritual) which some music can convey, but it calls for intensity and density and freedom from distractions. The least expensive amplification I have found which can do this is low-damping-factor tubes... specifically, the Atma-Sphere S-30 and M-60 [dealer disclaimer reminder]."



All that is what I hear with Bakoon amplifiers.Which are class A/B but which are reputed to be zero negative feedback/high output impedance/ current drive/probably low damping factor amplifiers.In simple terms they simply sound incredibly clear and pure.Which I have really only heard elsewhere from expensive SET amps like the Kondo Ongaku.
here is a thought: own better speaker with a smooth impedance modulus,


You know, this can be done artificially for peaky impedance speakers, but it's expensive and wastes a lot of heat.  Low order crossovers (1st) and series crossovers also avoid these issues.
@audiokinesis   Duke, Thank you so much for your detailed response. I'll copy and paste it over on the Nenuphar speaker thread as I believe it is relevant, with respect amplifier pairings with the Nenuphar full range single driver / speaker.

Your answers (and opinion) and real life findings from your experience as a speaker builder were extremely helpful! Thanks!
I would expect it is not very high output impedance / current output driven, though it may have a relatively low damping factor and may have some current feedback. The issue is most speakers today are designed for an amplifier with high damping factor / low output impedance. Too high of output impedance and your bass response changes, and you screw up the cross-over points.

All that is what I hear with Bakoon amplifiers.Which are class A/B but which are reputed to be zero negative feedback/high output impedance/ current drive/probably low damping factor amplifiers.In simple terms they simply sound incredibly clear and pure.Which I have really only heard elsewhere from expensive SET amps like the