Playback speed change depending on output type??? A&K SP2000 and Sabaj
Aug 10, 2020 at 12:45 PM Thread Starter Post #1 of 2

Stekos

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Connection path: A&K SP2000 USB-C out --> USB-IN on Sabaj D5 DAC, analog out --> Bose Wave (speakers).

First time connected this way, and I was playing songs I know very well. Immediately noticed that they sounded like they were sped up. For funsies, I started a song, started the timer on my watch, and let it play through. Song time on the A&K said 2:23. Timer on the watch said 2:06. Whoa.

Disconnected speakers, tried headphone jack out. Same thing. About 17 seconds faster over a 2:23 song.

Let's try this: A*K SP2000 Optical Out --> Optical In on Sabaj, analog out --> Bose Wave. 2:23 song, 2:23 on my watch. Sounded normal.

OK, that's just plain weird. NEVER heard of that before.

So, what's the issue here? Let's try this:

A&K SP2000 USB-C --> STAX SRM-D10 --> Stax headphones.

3:42 song. 3:42 on the watch. Sounds normal.

So maybe it's the Sabaj USB in?

Thoughts?
 
Aug 10, 2020 at 12:53 PM Post #2 of 2
maybe the sabaj is routing the signal through the wrong clock? Looks like your running about 90% time it should take to complete a song. This is eerily similar to 44.1 vs 48 khz sampling difference. Approx 90%
 

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