Monolith M1570 Over Ear Open Back Balanced Planar Headphones
Dec 3, 2019 at 1:10 PM Post #32 of 1,015
I got mine in yesterday and here are my first impressions
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Build
- Headband has been comfortable and build seems good, the stock cable is actually quite nice. The stock cable is not as soft as a periapt etc... but is a non-issue
- Only weird build quality things are as follows: mini-xlr pinout may be nonstandard, one earcup has more friction/resistance to earcup rotation than the other side, you seem to be able to extend the earcups until they gets off track from the mechanism in the headband.
- Stock velour pads are not angled and much worse quality than the leather/protein leather ones pre-applied to the headphones.
- Stock spacing for the headband may be too wide for the heads of some, so some users may have to bend the top headband to get more clamping force on their ears and get a better seal.
- May be important! The mini-xlr pinout seems to be nonstandard, when I try the ZMF OFC Cable on my THX 788 AMP it triggers overcurrent protection, it remains to be seen if this persists with an actual balanced cable, but I assume this is the case.

Sound
- I have yet to find a flaw, these seem to be jacks of all trades but masters of none. Bass is well extended, but doesnt hit super hard like HE6-SE etc... but I imagine you could EQ it to do what you want. I haven't noticed any peaks or sibilance.
- Dynamics are actually pretty good for headphones at this price point.
- seems to follow the harman curve, with a bit less of a bass shelf.
- Imaging has been solid, and the soundstage was wider than I expected. The isolation is essentially non existent and the pads are quite wide so I imagine its the combination of those two things making that happen.
- Sound is slightly dark.


I am also intrigued to see how they do w/ more power, but IT appears I may have to get a pinout from monoprice and make a cable myself to do so.
Is it a more complete sound than the m1060? or just a different sound?
 
Dec 3, 2019 at 5:50 PM Post #38 of 1,015
I got mine in yesterday and here are my first impressions
BtKkL6A

xMPnAOV

Z2WIrPJ

dkbkETL

Build
- Headband has been comfortable and build seems good, the stock cable is actually quite nice. The stock cable is not as soft as a periapt etc... but is a non-issue
- Only weird build quality things are as follows: mini-xlr pinout may be nonstandard, one earcup has more friction/resistance to earcup rotation than the other side, you seem to be able to extend the earcups until they gets off track from the mechanism in the headband.
- Stock velour pads are not angled and much worse quality than the leather/protein leather ones pre-applied to the headphones.
- Stock spacing for the headband may be too wide for the heads of some, so some users may have to bend the top headband to get more clamping force on their ears and get a better seal.
- May be important! The mini-xlr pinout seems to be nonstandard, when I try the ZMF OFC Cable on my THX 788 AMP it triggers overcurrent protection, it remains to be seen if this persists with an actual balanced cable, but I assume this is the case.

Sound
- I have yet to find a flaw, these seem to be jacks of all trades but masters of none. Bass is well extended, but doesnt hit super hard like HE6-SE etc... but I imagine you could EQ it to do what you want. I haven't noticed any peaks or sibilance.
- Dynamics are actually pretty good for headphones at this price point.
- seems to follow the harman curve, with a bit less of a bass shelf.
- Imaging has been solid, and the soundstage was wider than I expected. The isolation is essentially non existent and the pads are quite wide so I imagine its the combination of those two things making that happen.
- Sound is slightly dark.


I am also intrigued to see how they do w/ more power, but IT appears I may have to get a pinout from monoprice and make a cable myself to do so.

Which one do you prefer the 6se or the 1570? if you could only have one.

Those are the two cans I’m looking at.
 
Dec 3, 2019 at 6:15 PM Post #39 of 1,015
Which one do you prefer the 6se or the 1570? if you could only have one.

Those are the two cans I’m looking at.
I had to RMA my he6-se due to my own error, my replacement is coming in tomorrow. Im gonna A/B them and be make the same decision. I don't like having multiple headphones and will be selecting one of the two.
 
Dec 3, 2019 at 11:22 PM Post #42 of 1,015

These things are huge, barely clamps enough to stay on my head, enjoy them more than the Aeon2 closed which I returned already. SMSL M500 drives them beyond what I could ever listen to volume wise (22/40). Build is solid feeling but nothing spectacular. They are heavy but the weight doesn't bother me.

Same here about the looseness, I think Ill try to bend the headband soon. IF I shake my head these could easily fly off lol.
 
Dec 4, 2019 at 12:27 AM Post #43 of 1,015
I had to RMA my he6-se due to my own error, my replacement is coming in tomorrow. Im gonna A/B them and be make the same decision. I don't like having multiple headphones and will be selecting one of the two.

I've had my trigger finger ready for the HE6Se but the more I read about them, the more wonder whether I'd really get all they can put out with even amps like the Drop THX 789 (which I just got in yesterday), it seems as if the HE6Se will really only become awesome with even more power... and now that the M1570 have been released, they have me very curious!

They look like a modern, easier to drive, big-sounding planar that I might just "need" to buy... :D
 
Dec 4, 2019 at 12:33 AM Post #44 of 1,015
I've had my trigger finger ready for the HE6Se but the more I read about them, the more wonder whether I'd really get all they can put out with even amps like the Drop THX 789 (which I just got in yesterday), it seems as if the HE6Se will really only become awesome with even more power... and now that the M1570 have been released, they have me very curious!

They look like a modern, easier to drive, big-sounding planar that I might just "need" to buy... :D
I loved the HE6SE on a THX788 w/ the oratory EQ. But yeah I killed my HE6SE by not checking the gain setting on the speaker amp I wanted to test on because Im a dummy. The HE6SE measurements say there should be no difference other than volume, but I wanted to try and hear the "magic" people talk about just once lol.
 

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