NTK's latest activity

IMHO, there is little need to worry about how DAC's handle "intersample overs". Unless you have specially crafted test signals, if the...

Exactly. In fact, -3.54 dB at Nyquist, as stated in the article I linked: "Note that the amplitude rolls off in the images, and there...

The 3 dB roll off is from the stairstep reconstruction. Mathematically, the stairsteps as created by the zeroth-order hold process (i.e...

I do not know of a physical mechanism that will cause a loudspeaker to reproduce sound at a slightly different frequency from the source...

Actually, no. https://www.ftc.gov/business-guidance/resources/disclosures-101-social-media-influencers

Welcome to ASR! Many of the professional subwoofers have high pass filtered outputs for the main speakers. For example: Yamaha HS8S or...

I seriously doubt John Atkinson gets paid enough to do ^^^THAT^^^.

That is a very serious speaker test! Nice video. Thanks for posting that.

How Magico tested their M9 (weighs 1000 lb) with their NFS.

Assuming the amplifiers you are thinking about are based on the Hypex NCxxxMP series, it will depend on which Hypex amplifier module is...

Perhaps Bruno is cheap and he knows the difference is undetectable.

You are welcome. I don't know who "they" are but that's fine. Gain can be before, after, or both places without substantially impacting...

Aside: All voltages are RMS so I am leaving that qualifier off the units (lazy). The attenuator does not "throw away" voltage, assuming...

Look, I know I'm not the one being harassed by Speaker Guy, but given the First Amendment, is this really necessary? I mean, anyone can...

Snake oil. The Purifi evaluation kits, which are supposed to showcase their performance, use TI OPA1612 opamps. If you think Purifi...