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I am illiterate in electrical and electronic engineering, so I barely know Ohm's law, so bear with me. I am trying to calculate the best gain settings when using the A90 Discrete with the D90SE in 5.1V mode. I am using this image: I want to calculate the best gain possible if my DAC can...

I have the habit of choosing “brickwall” filters when setting up my DAC, but when looking at measurements, filters that are -100 dBFS at 22 kHz usually have worse THD vs. Freq performance than slower filters (the ones at -100 dBFS at 24 kHz). I think this is due to the wideband harmonic...

In my search for great transducers to EQ and enjoy music with, I have found some brands better than others in objective measurements such as frequency response, distortion, resonances, etc. I always found Audeze’s transducers to be extremely good to EQ, even when being open-back. Their only...

I am selling my faithful Topping A50s since I moved to a wireless chain and don’t really need the amplifier. The amplifier has never failed and it is in great condition. PM me for more details; pictures attached below. The starting price is $70 + $15 of shipping.

I have been thinking about headphone drivers/transducers that regardless of frequency response if fixed by EQ (assuming other measurements to be good enough), they became great. One of these examples is the AirPods Max, it is a pretty accomplished driver but its frequency response curve is not...

For me, I prefer headphones/speakers that have the correct frequency response even if I have to forfeit some of the imaging/spatial qualities of sound. What do you prefer?

I am looking for some recommendations on the topic of USB-C to 3.5mm dongles. They have to measure well, and please do not recommend the Apple one; I won't use the Apple one because it is too flimsy for my use case and I need something sturdier, also, I don't like Apple's business practices, and...

I am selling my Focal Clear Professional since I prefer my HD 600 with some EQ. I am selling them for $1,200. I am also the first owner. They were bought new from an authorized seller and carry a 2-year warranty. Payment will be through Paypal and I only ship to the continental US.

This guy literally reviews headphones he’s never listened based on FR graphs, like they’re perfect and can tell you an absolute truth. This is when we can’t agree upon the method and the standard to follow when measure headphones. He also regards the DT999 as “perfect” in one of his videos, but...

I have the LCD-2 Fazor and the ATH-MSR7 as my only headphones with a Sanskrit Mk. II and a Heresy DAC and amplifier respectively. But, I am going to sell all except the MSR7 because the LCD-2 is way too heavy for long-term use and I also want some mobility with them. I would stay with the MSR7...

Right now I'm in the market for a Stax SR-009(S) and I'm in the search for an amplifier to go with it. My issue is there are a lot of tube (valve)-based ones, and this is a deal-breaker for me. I'm not assuming those valve amplifiers measure bad (we just don't know), I just do not like valves...

When researching for measurements I have seen multiple websites and sources that provide these. This is one of those websites directed by its creator Amir. He is really knowledgeable guy which his posts have taught me a lot of audio processing and measurement, but something I have noticed is how...

When researching about transducers, sometimes you can find some terms such as "free field" and "diffuse field" curves. Also, there is the famous Harman curve which is based on the statistical preference of both trained listeners and the general public. Headphones such as the HD 800 are designed...