Using iPod Classic as music server


I finally decided to organize my music on a "server" using an iPod Classic that I got as a hand-me-down from one of my grandsons. In order to replicate music as accurately as possible I'm ripping CDs using Apples lossless CODEC. My understanding of these formats like FLAC and ALAC is that accuracy of replication is 100% and I'm finding that playback using earphones or good buds at least, seems that that is so.

However, when playing through my system, although good, playback using the iPod is not the same as when the source is the CD player. The information seems complete and obviously better than compressed versions I've heard but resolution and detail in the upper frequencies seems to have been softened.

My ability to compare these two sources is straightforward because I can have the same track playing on both sources and A/B using the source selector on the preamp. Now il get to my question.

First I need to say that the present system performs extremely well for my listening tastes so I'm not questioning the existing components. However, there are at least the 2 new issues of concern; one is the quality of the CD transport in the computer and the other is the quality of the iPod playback. I don't mean to imply that the playback from the iPod is terrible. As a matter of fact, it sounds quite good but a little softer/warmer than I prefer for critical listening.

There must be a reason why dedicated music servers are expensive and I'm assuming it has to do with reproduction quality as with other components in a system. I've never seen one so don't even know the process(es) for downloading music to them but, for several reasons, I want to pursue the use of a digital server of some kind. I'm, therefore, asking for corrections of my assumptions as well as some guidance toward making an intelligent choice.

My present system is: Shanling S-100 CD player, Peachtree Audio Nova as a preamp, Peachtree Audio 220 amp and Martin Logan Odyssey speakers.
128x128broadstone
I have downloaded all my CDs to my Mac Mini. They are played through a M2Tech HiFace using Audirvana and an Eastern Electric DAC. I synch my 4 ipods to the Mac Mini using each for a separate genre or style. All of my music is in Apple Lossless and is synch that way to my classic ipods. I can carry my entire library of music everywhere I go. I have an apartment away from my home. I use a Pure i-20 dock ($99)from the 20 pin connector and the digital out to another DAC there. The i-20 dock takes a pure digital signal out of the ipod without using any Apple conversion. It is a pure digital stream. The digital stream is identical to any other source be it computer or digital out from a CD player. Thus, I have all my music in both places. Another advantage is with the i-20 you can use an ipod Touch and wi-fi to stream any internet music source and also get a digital stream, although it will be a compressed and lossy stream, whereas the Apple Lossless from your classic ipod will be lossless. I liked the i-20 so much I bought two to have a spare but have not used it. Highly recommended.
I started out my hifi hobby with exactly that - an iPod Classic.

It was mated to a Wadia iTransport which was hooked up to a Benchmark DAC (the DAC1 Pre was the flagship then). The Wadia was the first of its kind - an iPod digital dock - it basically took the digital data from the iPod, bypassed its (frankly quite shoddy DAC) and passed it to an external DAC.

The DAC1 Pre was also (as its name suggests) a preamp. So all I needed was a couple of mono blocks to drive my speakers.

I then upgraded the power supply of the Wadia and made all sorts of upgrades over time.

These days, of course, you can go for much cheaper options than the Wadia. The Pure i-20 dock does pretty much the same thing for a whole lot less and it even includes a pretty decent DAC inside if you don't want to spring for a new one.

But here are the downsides.

One, controlling the playlist from the iPod is not much fun. The remote on my Wadia allowed me just the basics - pause/play, and track forwards and back. There's no way to change albums or playlists unless you get off your ass and walk to the iPod on the dock.

Two, you'll find that 160GB will get filled up pretty easily especially if you start ripping more of your CDs.

Three, as you've discovered - there's something different about playing back even a bit perfect copy like Apple Lossless on the iPod. I know you'll hear comments like "bit perfect is bit perfect". But give this a try. Rerip or convert some of your Apple Lossless songs into AIFF format or WAV format. Sync them to the iPod and listen to them again. I suspect you'll hear an improvement. And AIFF takes up even more space than ALAC (Apple Lossless) so the iPod's 160GB would start to look even smaller.

If you have a spare PC/notebook lying around and a have a respectable DAC already in your system, I'd recommend having a look at JRiver. It will import the music already in iTunes and even sync your iPod for you - but that's not the main thing. The PC can be used as a pretty decent music server.

All you need is to hook it up to a DAC. If your DAC is new-ish circa 2-3 years, you should have asynchronous USB connectivity. Use a USB cable to hook the computer to the DAC and voila. Instant music server. The good thing is that storage is cheap and you should be able to use a large HDD to keep your music library going for a long time. If your DAC is older, you can grab one of those asynchronous USB-SPDIF devices that provide a way to connect the PC to a SPDIF input on your DAC.

If you are a Mac user and already have iTunes installed, just buy a copy of BitPerfect from the App Store, and download the free Remote app from Apple on your iPhone or iPad. Then hook the Mac to the DAC (either using the DAC's USB input as mentioned in the PC example) or a USB-SPDIF connection.

Hope this helps.
Lowrider, I use an iMac for ripping CDs to iTunes using Apple's lossless CODEC; from there, I sync to the iPod. For playback I'm using the inexpensive (here's where my biggest problem might be) Gigaware docking station as an experiment into the server world. Before the dock I tried using the headphone jack out to the preamp and that was pretty unacceptable.

One of the recommendations that I read was to use a DAC between the dock and the preamp and, although I have been a fan of their use, based on the deficiencies that I've experienced so far, I don't think that would help. I already have 3 DAC's which I've used in the past to attenuate or soften some of the brightness that I find uncomfortable but, because the sound I'm missing has mostly to do with detail or resolution in the upper frequencies, it seems that a DAC might exacerbate the problem.

From what I've read here, the Wadia 170i would likely be an improvement over the dock that I'm currently using and after a little more research it will likely be my next step.

I don't pretend to have the best ear in the world for judging sound quality especially where differences are subtle but, in this case, the difference in sound quality from CD to iPod are obvious even to me. Like I mentioned, though, I'm going to opt for the server approach in some form even if it's only for background listening.

I would like to reiterate that I'm in no way implying that use of the iPod as a server is not a good choice. It's just that I've been trying for over 50 years to achieve what I have now, which is a system that better suits my listening than nearly all past attempts regardless of name brand or expense. After all the time, money and effort, I want to minimize compromise as much as economically feasible.
I have the perfect thing to deliver good sound quality for you, and its not expensive. Beats Wadia and other digital docks. I use one myself.

Its the Pure i20 digital docking station. Has an excellent DAC inside and delivers low-jitter. Only $85 on Amazon.com when its on sale.

I have compared it to expensive DACs, over $1K and it usually beats them. If you put a good linear power supply like a Hynesdesign.com on it to replace the wall-wart AC adapter, it will probably beat $5K+ DACs.

This is simply a no-brainer. Just get it.

Steve N.
Empirical Audio
Good to hear that Steve N.
You can make a great streaming system for cheap using Logitech media server (free, run on any computer on your network), Pure i20 dock with any idevice running ipeng with play option (about $12 for the software) and another idevice running ipeng for control ($10 software).