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In Reply to: RE: PSA Direct Stream DAC, Oppo 105D and Break-In posted by Joe Appierto on April 19, 2015 at 09:19:40
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... the 2.15 update for the Bridge and the 1.2.1 for the DirectStream. Although I will most likely keep the unit it has not been as much of an improvement over the Oppo 105D as I'd hoped. As a matter of fact, when it comes to processing the signal from my Xfinity STB, I prefer the Oppo because the PSA DS has an annoying electronic echo on dialogue at higher volumes.
On the plus side, the PSA DS DAC does very well on RBCDs and has a more analogue-like overall sound when compared to the Oppo.
Joe
Joe,I had a DS for about 9 months when it came out.. It really does need 500 hours.. Also the digital cable will make a big difference, as does the power cord. I'd also most strongly recommend that you upgrade the firmware to Pikes Peak.. it's a lot more dynamic than 1.2.1 it's free and if you don't think it's better you can roll it back to 1.2.1
Also what's the rest of your system like??
Edits: 04/21/15
I've updated the firmware successfully I hope. The readings are now as follows.
Bootloader: 1.13
Firmware: 1.2.3
Bridge: 0.2.15
FPGA: 0.79
USB: 00.06
Rev: Pike
Erik, does this look right to you? I just started listening to it and it does sound better - clearer, but sometimes the ears hear what the mind anticipates.
I appreciate the hand-holding.
Thanks again.
Joe
Joe just keep playing music through it.. 500 hours it'll keep opening up and getting better..
Yup that's correct..
Perfect. Thank you for your help.
Joe
Also make sure you keep the volume control at 100% and make sure you don't have the output attenuator engaged, when listening.. it seems to blunt things a tiny bit.
Also as regards the output attenuator.. it actually speeds up the breaking process if you have it engaged during break in. Ted Smith the designer, mentioned on the PSA user forums a while back that having it engaged adds a resister to the signal path and makes the unit work a bit harder.
Also I'm sure you know that you don't need the whole system on to do the break in just put a CD on repeat and the Dac on and leave it be.. The CJ amp doesn't need to be playing..
All very helpful. Thanks, Erik. I do keep it 100% all the time. I have a signal running through it even when not listening. Most often it'll be my Xfinity STB which is routed through the Oppo and then to the DAC. I'll make sure to engage the attenuator during these non-listening periods.
I don't use the attenuator while listening because one of the adjustments I've had to make during this whole time is that the Oppo outputs 2.1Vrms unbalanced while the PSA DS DAC only outputs 1.4Vrms. Using the attenuator makes the disparity even greater.
Really appreciate your insight and all these tips.
Joe
Thank you for your comments, Erik.
I'm about 170 hours into the burn-in process at this point. I've used first an XLO Signature 3.1 interconnect and now a Kimber D-60 bewteen the Oppo and the PSA. The analoque interconnects going from the PSA to my conrad-johnson CA200 integrated are Acoutic Revive RCA-PA. The power cord on the PSA DS is an Acrolink P4030II with Oyaide C-004/P-004 connectors that was assembled by Alan Kafton, double cryo-genically treated and burned in on his audiodharma Cable Cooker. All my equipment is plugged into his totally excellent Power Wing II.
I had thought that the Pikes Peak firmware update predated their 1.2.1 release. I will have to do that firmware update and will report back.
My entire system can be viewed if you select the (A) next to my name.
Joe
At the price, it should Kill the Oppo.
It's surprising that it doesn't.
Any Computer Playback into PSA?
If you mean the PC hooked up directly into the PSA via USB, then no. I have played files, both standard and high res on my PC via the Bridge but the higher resolution files have a tendency to pause and/or skip. I have played discs and and also files (standard and high res) from an EHD, SSDs, and my Olive O3HD Music Server from the Oppo 105D to the PSA DS using both an XLO Signature 3.1 and Kimber D-60.
I had thought that the 1.2.1 was the most recent update for the DS, as that's what had come with the brand new unit I purchased. According to another poster's comments that I just read, it's the Pikes Peak update that is the most recent. Herein may lie a good deal of what I'm hearing/not hearing and I will have to update the firmware.
Joe
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