measurements

Hi! Are budget audio interfaces (like umc22 or 204hd or <$70) suitable for measurement microphones and room correction processes? Budget udio interface + calibrated good mic or just umik1? Btw I don't have any dac, exept cx31993 at the moment.

Currently have a Technics SL1501 Quartz that was salvaged and repaired from yahoo auctions .It is connected to the fosi phono box x5 I currently have it with the audio technica atvm95e which is an alright cartridge. I want to upgrade it to something else down the line and alot of people...

Ole Wolff's speakers have extensive documentation that looks convincing, but I haven't found any independent measurements. Their measurements were also made on an IEC318 coupler that doesn't measure honestly under 100 hz according to ISO, so I doubt that the actual frequency response is this...

SMSL A100 amplifier review This test review was performed to comply with FTC: 16 CFR Part 432 (July 5, 2024) - Power Output Claims for Amplifiers Utilized in Home Entertainment Products The SMSL A100 is a small, affordable, 2-channel Class D amplifier. It embeds an Infeon MA-12070 amplifier...

Hi, This is my second attempt at CD player measurements, based on the knowledge I gained from ASR. Many thanks to the members who contributed to developing this part of the reviews, especially @NTTY, who shared their measured files with me. Some of these files were used in this review. The...

Hi, This is a measurement of the phono preamp Behringer PP400. It is a simple preamp without any switches and costs around US$25-30. For measurements, I grounded the PP400 through its output to the analyser. Using a dedicated screw caused significant distortion from the power supply. Below...

Here are some measurements of a Marantz CD-63. NOTE: The HDAM modules have been removed from this player, so it's no longer standard. No other modifications or upgrades have been carried out. The PSU appears to be a little noise (50Hz spike) however I've not looked into this. Also, I seem to...

So I recently changed my rear atmos speakers to xtz atmosphere s2. I had very small sat speakers (monitor audio mass sat gen 2) up there before. There looks to be a -15db dip at 5k? to about 10k. What has caused this? Its an identical dip for the top rear left and right speaker The first photo...

Hi everybody! @NTTY's recent CD players measurements sparkled an interest in me, so I tried to be trendy and measure my disc playing devices. Attention: I'm a noob at measuring things (at least now) + English isn't my native language (as you can tell by location), so, sorry in advance) Well...

What is the proper procedure for measuring the absorption coefficient of an acoustic panel? I've been making DIY panels for a bit, but just broad band velocity traps made from either fiberglass or rockwool insulation. I want to start making tuned bass traps, Helmholtz and membrane traps. But...

Hi! Inspired by NTTY's recent posts, I decided to measure my CD and DVD players, but that rises 2 questions: What signal types should I burn onto a CD? Is there an "industry standard" CD that I can just copy and be good to go? From my point of view, a simple test CD have to consist at least...

I've started to have some fun measuring my speakers all over the house. The following are measurements I took of a Samsung Soundbar that I've got in my living room. I measured this flat at first, but it has no bass at all and the HF roll off made them too dark, requiring very large boosts in...

I've had this pair of Alesis M1 Actives for a while, but stopped using them because I just didn't like how they sounded and even using Sonarworks Sound ID couldn't save them. I wanted to see what exactly was happening with them, so I used REW to finally see what's happening under their hood. I...

Our company purchased several of these 16 channel DACs to expand the capabilities&flexibility of IEM racks I build and tour with. They're fairly inexpensive at ~333€ a piece (20€ per output channel!). The DAC was fed via Ultranet from my X32 which was connected to the PC via USB (48KHz). The DAC...

Hey, I'm trying to track down the root cause to some shrillness in the system. I think it relates to the peaks/valleys I'm seeing at higher frequencies on my LCR channels. For now, I have EQ'd them down, but if possible, I prefer to leave most the high range all natural. (Don't judge my bass...

Hello friends, First of all, this is my first post in this great community, so treat me with love. I have started, so to speak, in this world of looking for good sound, I have gotten a couple of equipment to get started, I have some JBL Stage A130, Ampli Fosi Audio BT20A Pro, an IFI Micro iDSD...

I had a local customer let me borrow their Audio Alchemy Overture OM150 amplifier. This amplifier has a separate power supply (PSU150), see picture. Here are the measurements. I only did 8 ohm measurements as all specifications I was able to find online listed only 8 ohm numbers.

The Topping DX5 is a desktop class DAC/headphone amplifier all-in-one device. It is delivered in a nice box with quite significant texture. The front side has two headphone outputs in the form of a 4-pin XLR and 6.3 mm TRS, both for single-ended connections. In the middle is...

Hi, 1st thread here, thanks for having me. Not sure if there are the right tags, feel free to correct me/them. I got myself a decent enough multimeter and decided to test how loud I should listen to music. After much reading, I proceeded as follows: 1. Using REW I saved to file a 0 dBFS, 1KHz...

Floorstander JBL Studio 698 measurements: https://www.audiosciencereview.com/forum/index.php?threads/jbl-studio-630-and-studio-698-review-measurements-by-erin.50799/page-4#post-1833282