Greetings from Rocky Mountain Audio Fest (RMAF) 2019...
It has been awhile since I've been at an audio show! Until now I've never really bothered to leave the comforts of home to attend any of these events unless they showed up locally... And a few years...
View ArticleRMAF 2019 Day 1...
I must say that Colorado has some really pretty skies and lovely interplay of clouds and rays of sunlight... Well, Day 1 of RMAF 2019 is done. Time to take a few moments to think about and review some...
View ArticleRMAF 2019 Day 2...
Alright guys and gals, let's continue with the sights and sonic impressions from Day 2 of RMAF 2019! Here's a picture of Colorado Ballroom C where the seminars are presented. Bob Hodas was presenting...
View ArticleRMAF 2019 Day 3...
As it has been said, Day 3 of audio shows tend to be a quieter day. It was no exception this year at RMAF. The picture above is from the "Headspace" ballroom down one of the lines of booths where...
View ArticleMUSINGS: Rocky Mountain Audio Fest 2019 - Reflections...
Assorted RMAF 2019 items... Dr. AIX book, demo disks. Collectable MQA brochure and the beautiful 135-page Wilson Audio catalogue! :-) In retrospect, should have also grabbed a T-shirt. Beyond memories...
View ArticleUpgrade to AMD Ryzen 9 3900X Workstation Computer. (And Amazon Music HD/UHD...
Being post-RMAF 2019 with all that talk in the last week or two with "high end" audio stuff, I figure I'll switch gears a little and take a look at computer tech instead. One of the least enjoyable...
View ArticleMUSINGS: "Democratization", "Doublethink", MQA, and the Audiophile. Becoming...
“Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.” “Freedom is the freedom to say that two plus two make four. If that is...
View ArticleParadigm Signature S8 v.3 Tweeter Replacement. A word about importance of...
Paradigm Reference Signature S8 v.3 tweeters. I mentioned in late August with my "Speaker Impedance - Part 2" post that I noticed a variance between the right and left speaker impedance from my...
View Article2019 Update: Basic Acourate DSP Room Correction (using Dayton Audio EMM-6...
As I mentioned last time, I changed the tweeter in one of my speakers resulting in a significant adjustment to the frequency response in the 2-5kHz range. This means it's time to update my AudioVero...
View ArticleGone Building... Linear Audio Autoranger MK II.
Linear Audio Autoranger Mk II "quarter kit". Attenuator board (yellow-gold), Control/Display board (green-blue), SilentSwitcher power supply board, metal case, USB-A connector, and programmed...
View ArticleOn Audiophile Forums. Disagreements on MQA. (And Redscape preview...)
I thought for this post it might be good to talk about audiophile forums. A couple weeks back, some of you expressed frustration with the Audio Science Review Forum, the opinions of the host there,...
View ArticleIt's Alive! The Linear Audio Autoranger MK II...
And the kit is now alive just in time for Halloween the other night. :-) For those still wondering what this is, you can check out Jan Didden's video of the Autoranger MK I from 2017 and his demo of...
View ArticleRETRO-MEASURE: Klipsch Forté I speaker impedance. (And it looks like Qobuz...
Well guys, I'm still working on the Autoranger amplifier test system looking at standardization of the measurement technique and settings which is a pretty big job still, so this week I thought I'd...
View ArticleThe "Measurement Of Amplifiers Rig" (MOAR): Standard Tests, Loopback results,...
While I'm not a huge fan of acronyms, sometimes one just needs to make something up for ease of reference; hence the "Measurement Of Amplifiers Rig" or MOAR ;-) for short to refer to this system which...
View ArticleMEASUREMENTS: Yeeco TI TPA3116 Class D Amplifier (aka Nobsound NS-01G, Douk...
As I posted back in June of this year, we can get inexpensive little amplifiers these days based on Class D chips such as the TI TPA3116D2 (first released in 2012) which is what is inside the device...
View ArticleMEASUREMENTS: Onkyo TX-NR1009 "WRAT" AV Receiver Class AB Amplifier... Plus...
I currently have 3 AV receivers here at home. The Denon AVR-3802 is my oldest machine, purchased back in 2001 and being used in the living room for stereo playback. My newer Yamaha RX-V781 (2016) is...
View ArticleRedscape and Creative Super X-Fi Amp: Headphone Virtualization
Thought I'd take a little break this week from all the amplifier discussions recently and post on something rather different! I enjoy headphone listening... But not as much as actual speakers in an...
View ArticleMEASUREMENTS: Emotiva XPA-1L (Gen 1) Class AB Balanced Monoblock
Let's continue measuring some amplifiers I have here at home. Today, we're going to get a bit more serious with fidelity into the "audiophile" level. Of course I'm using the term "audiophile" here for...
View ArticleVisiting an audiophile friend: Avantgarde UNO 2.1, KEF LS50, Tannoy 401A, and...
One of the joys of writing an audiophile blog is the opportunity to meet some interesting people in this hobby over the years! Here in Vancouver, there's no audiophile special interest group or club...
View ArticleAn Inexpensive Hi-Fi Class-D Stereo Amp for the 2020's: Hypex nCore NC252MP...
Happy 2020 everyone! A few months ago, I saw this video on YouTube that got me thinking about just putting together an amplifier to start off the decade of the 2020's. That project in the video...
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