Which Mac Mini has the best performance? For music playback alone, even an entry level Mac Mini will yield excellent performance. If you are oversampling, doing digital signal processing (DSP), digital EQ, digital room correction, or converting to Double-Rate DSD (aka DSD128) or Quad-Rate DSD (aka DSD256), we recommend getting the fastest most powerful Mac Mini available. For a music server there are a number of choices including: a dedicated music server, a Windows-based music server, a Mac-based music server, or a Linux-based music server. With regard to a Mac-based music server you can use an older Mac G5 with a Lynx AES-16 PCI digital audio output card or a current Intel-based Mac running OSX using a PCI-e card.

If you own a Mac, you already have a high-resolution media file server at your disposal, with very little tweaking required to pass high-quality audio to your audio gear. I recently decided to set up my Mac in this way, to deliver hi-res throughout the signal chain--from my music library, to the player, to the DAC, to my preamp, amp, and loudspeakers (or preamp to headphones). Here is how I did it.

Channel D Pure Music 3 $129 Pure Music is a great piece of software at a price that even a flea market-scrounging hobbyist audiophile can afford. Combine Pure Music with any recent Mac computer and you have a front end that will play back any digital file from FLACs to lowly MP3s on up to 192/24 high-resolution files with ease. Join 100K+ music lovers who have elevated their listening and music discovery experience. Your music in one place. 800+ Audio devices supported. Connect with Tidal and Qobuz. Bit-perfect playback of PCM and DSD Audio - Subscribe annually at $9.99 / monthly. The process starts with ripping or downloading music files directly to either your Mac's internal hard drive or an external drive, or designating a cloud site for your file storage (more on this.

Building Your Hi-Res Music Library
The process starts with ripping or downloading music files directly to either your Mac's internal hard drive or an external drive, or designating a cloud site for your file storage (more on this in a minute). I store my music library on a 3TB Seagate external drive. Many people prefer to use an external drive because loading up your main hard drive with music files can potentially slow your computer's overall performance, especially when you get to the end of your drive's storage limits.

Opinions will vary on what constitutes hi-res audio, but I set my sights on resolutions equal to or better than 24-bit/96-kHz. We all know that your system is only as good as its weakest link, so I started with either 24/192 or 24/96 FLAC files. Hi-res files may be offered in the FLAC (Free Lossless Audio Codec) or AIFF (Audio Interchange File Format) format, as well as DSD (Direct Stream Digital) and MQA (Master Quality Authenticated). DSD is the Philips/Sony system used to create the SACD (Super Audio Compact Disk) format, while MQA is a very clever codec that compresses the relatively little energy in the higher frequency bands to make the files smaller while retaining a hi-res result (it's also a good format for streaming services). To get the highest quality, you will want to avoid lossy formats like MP3 (Moving Picture Experts Group Layer-3), AAC (Advanced Audio Coding), and OGG (Ogg Vorbis, the name Ogg derives from the jargon word ogging) that sacrifice audio quality for file size. This was important when storage was expensive, but now storage is plentiful and cheap.

Hi-res music files are available for download from a number of websites, including: HDTracks.com,
primephonic, HiRes Download, iTrax.com, B&W's Society of Sound, Acoustic Sounds, Chandos, and�Blue Coast Records. If you're looking for suggestions on high-quality audio recordings, check out the reviews on our sister site, AudiophileReview.com. Here are a few great-sounding albums (all available as hi-res downloads) that I'd put on my list of desert island discs:

Santana: Abraxas
Mozart: Great Mass in C minor
Thelonious Monk Orchestra: At Town Hall
The Rolling Stones: Sticky Fingers
Bob Marley: Legend (you are on a desert island, after all)
Steely Dan: Aja
Jethro Tull: Aqualung

Cloud Backup
About a year ago, I grew concerned that my entire life's savings of music--some of which is irreplaceable original music from the various bands I've been in--was all in one place, so I looked to the cloud for a backup/disaster recovery solution. My current total storage need is approximately 2.4 TB. Apple's iCloud offers five gigabytes of free storage, which isn't nearly enough for my music files, so I opted for the 2TB plan that costs $20 per month. I had to leave some of my more esoteric albums off the iCloud drive to fit under the 2TB size limit.

Another cloud option is Google Drive, which offers 15 GB for free or one terabyte for $9.99/month; then it jumps to 10 TB for $99.99 monthly. Microsoft looks at storage a bit differently, tying its One Drive storage to the MS Office suite. When you purchase MS Office 365, you get 1 TB of storage. All your Excel spreadsheets, Word docs, and PowerPoint presentations are automatically stored there and are available for collaboration between users. There isn't anything preventing you from storing your music library there, but access is via Microsoft's Groove Music Pass, which is $9.99 per month in addition to the $99 annual cost of MS Office 365.

Amazon's Drive allows you to upload up to 250 songs for free. Subscribe to Amazon Prime ($99 annually) and get 5 GB of storage; for another $59.99 per year, you get unlimited storage. I currently use Apple's iCloud because I've been deeply invested in the Apple ecosystem from the first-generation iPod, but Amazon's value proposition is compelling. I am strongly considering making the switch. (If anyone out there has made the switch, I'd love to hear about your experience in the Comments section.)

Playback Software
Once you have begun to build your hi-res audio library, how do you play the files in a way that maintains their high bit and sample rate? I chose to download the VLC media player to my Mac (it's free) because it's capable of 24/96 and 24/192 native hi-res output. The VLC player can be downloaded here.

As an alternative to VLC, you might consider the VOX Music player, which is also free and can be downloaded here.

Why not just use iTunes? The iTunes Store only sells music in the compressed AAC format, and the iTunes player doesn't support the most widely sold lossless format: FLAC. Some hi-res file formats like AIFF may be played by iTunes but will not be at their native hi-res rates. Beware: If you convert a 24/96 FLAC file to ALAC, for example, you will not get the original file's full resolution.

Connections
There are three ways to get hi-res audio out of your Mac: 1) through an optical Toslink cable connected to the headphone output; 2) through a USB cable; and 3) through a standard stereo eighth-inch mini-jack connected to the headphone out--which will use the Mac's excellent internal DAC that supports up to 24-bit/192-kHz.

I suppose you could also count Bluetooth as the fourth way, but I'm not convinced that, even with A2DP negotiating between the transmitter and receiver the best CODEC available, you aren't losing audible quality in the wireless transmission.

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Any of the above three connections ensures output of your audio files at the full resolution. Options one and two are still in the digital domain, so you will need to convert the signal to analog before sending it along its path that ultimately leads to your analog ears. The HTR archive is full of reviews that will steer you to a great digital-to-analog converter (DAC) at any price point. Just remember to make certain that the DAC supports the highest quality files in your catalog.

The next component in line is either your preamp or integrated amp. My setup includes a tube preamp that has both a headphone output and individual right and left line-level RCA outputs, which then feed either my tube or solid-state amplifier (I have one of each). Either amp then leads to my loudspeakers. If I'm listening through headphones, they are fed directly from my preamp.

My Results
I am enjoying incredible results using my Mac as a hi-res server. When comparing hi-res FLAC files via VLC to music coming from my iTunes library at 16/44.1, the difference is truly amazing in term

Music Server For Mac