After calming down from my horrible experience with 2 out of 3 new units arriving with major QC faults - a bad crackling sub & one very shrill and nasally sounding S8 - I decided to take a step outside of the box & try to analyze why 2 Sceptre S8's would sound so different provided both show no evidence of visual or internal defects. Since the Sceptres have a Lynx system inside I thought their has to be some way to reset the DSP or at least run some type of system diagnostics. So I tried powering on the crippled Sceptre S8 with different combinations of DSP buttons held. And BOOM that was the key. It seems either holding the 1st two consecutive buttons makes the speaker boot in a shrill nasally sounding mode if you will. Powering on with the last two consecutive DSP buttons held results in a balanced sounding "normal" mode. Now, powering on with other DSP button(s) combinations also seems to do something too, but not audibly. With every DSP button combination - including the audible combos - the LEDs light up in different orientations. If my assumptions are correct, these different LED orientations provide system feedback/info. What exactly they are saying is cryptic, but the important thing is I was able to get my shrill nasally speaker to sound exactly like the other pleasant & balanced sounding speaker.
This leaves me with one major gripe. Why on earth would something like this not be explained in the user manual? This QC error nearly cost PreSonus a customer for life. I've had other problems with their gear in the past & simply was fed up. This also makes me wonder how many people have returned their Sceptres simply because they sounded awful out of the box because someone forgot to check what "mode" the speaker was leaving the factory. I am going to contact tech support about this -technician's Easter egg- for lack of a better term and report back here once I have confirmed what the heck exactly I stumbled upon.
Im wondering if your combination of the : "Powering on with the last two consecutive DSP buttons held" would get RID of the HISS these things have if I turn up the volume passed 9 o'clock?
Turn yours up and see if they are hissy if you would
I was two seconds from sending mine back. I had to keep the volume all the way down on them.
I tried it here, no change at all
I am so thankful that I found your post. I had one of mine change to the nasally shrill sound and thought that I had blown something. I had submitted a ticket and was very close to sending to Presonus for repair when I tried your suggestion and poof!!! back to normal.
If you are ever in the DFW area look me up and let me buy you a beer.
Many thanks again
"a shrill nasally sounding mode" - Glad I found your posts. I use Studio One 3 with S8's. When my S8's go into "shrill" mode they both do it. I am going to STOP turning them off from a power bar. That seems to mess-up the DSP. Your solution worked for me this morning. Thank you. The issue today was not "shrill" mode. One of my S8's was distorting badly. I tried rebooting the speaker and a few other things but the distortion remained. I used your "hold down two buttons" reboot trick and it worked ! At that point, my other S8 (the one that was not distorting) sounded "shrill". I did the reboot trick on it and that fixed it ! I think we could use a comment here from Presonus .
I have noticed the shrill sound several times over the past 4 months. Since both monitors were doing it, I thought it was: My EARS having a bad day OR some EQ problem with my DAW. I believe that S8's shouldn't be powered up or down with a power bar switch.
I was having all sorts of trouble with my S6s. Different tones coming out of each speaker. Did the power on with the 2 far right buttons depressed and bingo!!! Both speakers giving exactly the same tone. I can't believe this isn't mentioned somewhere. So glad I found this post. Saved me much anguish.
Here we are into February of 2018 and still no solid support from PreSonus on the matter. This post is the only reason why I didn't write a ridiculous letter to my sales engineer at Sweetwater begging for him to help me replace these with something completely different.
I was actually reviewing the mix of a friend's track which I'll be releasing on a debut compilation next month, and uncharacteristically, I thought his mix and master sucked. 1.4-4khz was pumped all to hell and there was some gnarly listening fatigue after just like three plays through. I wrote the kid some notes, sent them along, and then when I deleted something on my desktop, I noticed that the trashcan sound on my computer sounded... off. I popped open iTunes, and was shocked to hear that EVERYTHING sounded like garbage.
After a quick apology to my friend and a disregard notice, I frantically started hotswapping cables, sources, interfaces, computers, all of it, and no matter what, the sound of shite ensued. I went out to my car to listen to something and see if I was like, coming down with an ear infection or something. Nope, the world sounded normal.
I had my brother, a guitarist, sit in and listen, and he immediately noticed that it wasn't just me, and that indeed something was wrong. He was actually the one to stumble upon this post. After trying a few things, I was able to reboot the DSP on the left speaker to a very clean and normal setting, but the right speaker, which was super muffled before, was not responding the same way. Trying a number of various permutations of the buttons at bootup, I was able to get a number of differently sounding 'modes' out of the speaker, but even with the same button combination and same LED arrangement feedback at startup, the speaker would not get to normal... each speaker had different settings or sounds or whatever is going on.
Now, the left speaker is fine, the right is super bright and aggressive around 1-4k and there seem to be some strange phase or delay issues happening.
Of course, I sat on the phone with PreSonus for an hour to actually get through to someone on the support line. I explained what was happening, and asked for them to send me any documentation regarding the DSPs and/or the advanced control and operation of the panel at the back, hoping to resolve this. They sent me one link to BASIC FUNDAMENTAL information about setting up monitors/ a room, and then another link to the product manual. Like, dude, I have the paper manual on the desk, did they even listen to me on the phone?
Laughably, they include a cooking recipe in the manual... but nothing on this, at all. Really hoping to get this sorted... my studio is currently useless.
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