I didn’t love the 789 with any headphone. That is just me, and I know not the most popular viewpoint. I will say this, the amp is incredibly clean and powerful. My issue is that it lacks a bit of Je Ne Sais Quoi. The soundstage always felt compressed and lacked air, which made it feel like I couldn’t hear the space between the notes. There is no doubt it faithfully reproduces an amplified signal completely free of grain, hash or any hint of distortion. It is dead quiet.
The only headphones that I like with the 789 are my Meze Rai Penta IEMs.
My very first ever headphone amp from 2008 is leaps and bounds ahead of the 789 (Meier Corda Arietta). It is my current go-to with the Sennheiser HD800S.
The 789 is a flat piece of paper, the Arietta is an opened book - dimensionality, space, timbre are all enhanced.
Nice an SE out! Don't see those too often on CFA3s yeah? One thing I like and dislike at the same time about my Dynahi is the SE only nature of it. Keeps things simple and easy. I've noticed the Dynahi really likes a clean DAC though. The RME ADI-2 FS Dac does the trick perfectly. Much better than the Bifrost 2/Gungnir MB did in pairing.
Yeah, I had him out a SE output and also SE inputs on the back. The amp is pushing 16 watts into 50 ohms and I have a couple pretty efficient headphones that I feel benefit from less gain.
That is interesting on the DAC. The RME is a great DAC all around, so I can see why you like it. I am using the Pontus II with my headamps which I love. I had a TEAC UD-505 before the Pontus which is more similar to the RME than the Pontus.
The only headphones that I like with the 789 are my Meze Rai Penta IEMs.
My very first ever headphone amp from 2008 is leaps and bounds ahead of the 789 (Meier Corda Arietta). It is my current go-to with the Sennheiser HD800S.
The 789 is a flat piece of paper, the Arietta is an opened book - dimensionality, space, timbre are all enhanced.
I didn’t love the 789 with any headphone. That is just me, and I know not the most popular viewpoint. I will say this, the amp is incredibly clean and powerful. My issue is that it lacks a bit of Je Ne Sais Quoi. The soundstage always felt compressed and lacked air, which made it feel like I couldn’t hear the space between the notes. There is no doubt it faithfully reproduces an amplified signal completely free of grain, hash or any hint of distortion. It is dead quiet.
I would agree with the above sentiment that the Utopia wouldn’t be its optimal pairing. I did like the Quad Era-1 with the 789, and I also found the Alpha Prime to be a good pairing. Both headphones have extremely musical presentations. In my opinion, the 789 needs an R2R DAC and a headphone with a touch of warmth to balance out its analytical and sterile nature.
~ A step further…for digital sources, the THX AAA 789 needs an R2R DAC with tubes (or an R2R DAC plus an external tube buffer). Of the first, MHDT Labs DACs come to mind: Istanbul, Orchid, Pagoda. This is suggested only if one wants their reproduced music to be lifelike. If not,….
~ A step further…for digital sources, the THX AAA 789 needs an R2R DAC with tubes (or an R2R DAC plus an external tube buffer). Of the first, MHDT Labs DACs come to mind: Istanbul, Orchid, Pagoda. This is suggested only if one wants their reproduced music to be lifelike. If not,….
I didn’t love the 789 with any headphone. That is just me, and I know not the most popular viewpoint. I will say this, the amp is incredibly clean and powerful. My issue is that it lacks a bit of Je Ne Sais Quoi. The soundstage always felt compressed and lacked air, which made it feel like I couldn’t hear the space between the notes. There is no doubt it faithfully reproduces an amplified signal completely free of grain, hash or any hint of distortion. It is dead quiet.
I would agree with the above sentiment that the Utopia wouldn’t be its optimal pairing. I did like the Quad Era-1 with the 789, and I also found the Alpha Prime to be a good pairing. Both headphones have extremely musical presentations. In my opinion, the 789 needs an R2R DAC and a headphone with a touch of warmth to balance out its analytical and sterile nature.
For the money, I have yet to hear a better amp. If my budget was $300 for an amp, that is what I would get.
I purchased the THX 789 for $200 during the end of year sale. I paired it with the Denafrips Ares II. Even with the R2R DAC I found the sound to be very harsh. I tried the setup with Focal Clear, LCD-2C, HD 6XX, and U12t's. I couldn't find any pairing that sounded good to my ears. What I'm trying to understand is why everyone raves about this amp? I also found that the single ended output was basically unusable. As harsh as the sound was coming out of the balanced output I will admit that the sound was very clean albeit fatiguing af. From the single ended output I still got a hard edged sound but the music was muddy to say the least. Simply put it sounded like garbage. Even at the discounted price of $200 I felt the amp was not worthwhile. I owned the Schiit Magnius for a short time which I purchased from the Schiit website for $200. That amp was leagues better than the 789 but for some reason 789 gets all the attention. What gives?
I purchased the THX 789 for $200 during the end of year sale. I paired it with the Denafrips Ares II. Even with the R2R DAC I found the sound to be very harsh. I tried the setup with Focal Clear, LCD-2C, HD 6XX, and U12t's. I couldn't find any pairing that sounded good to my ears. What I'm trying to understand is why everyone raves about this amp? I also found that the single ended output was basically unusable. As harsh as the sound was coming out of the balanced output I will admit that the sound was very clean albeit fatiguing af. From the single ended output I still got a hard edged sound but the music was muddy to say the least. Simply put it sounded like garbage. Even at the discounted price of $200 I felt the amp was not worthwhile. I owned the Schiit Magnius for a short time which I purchased from the Schiit website for $200. That amp was leagues better than the 789 but for some reason 789 gets all the attention. What gives?
I am sorry your experience was not good. I am not surprised/ I was trying to be diplomatic in my impressions. Hopefully you find your right amp. I would suggest going a bit deeper into amp tech, especially for the quality of your headphones. Not sure your budget, but the Singxer SDA-1 is quite good. The A90 is also very good, although I can’t work for that corporation. Also look at the Flux Labs stuff. They make great amps at all price ranges. Although they start a bit higher than the 789. The Pathos Aurium is also an amazing amp. For my ears the best $500 amp is the Headamp Gilmore Lite MK2. If you get the GRLV with it you will get an amazing chain for your wonderful headphones.
I purchased the THX 789 for $200 during the end of year sale. I paired it with the Denafrips Ares II. Even with the R2R DAC I found the sound to be very harsh. I tried the setup with Focal Clear, LCD-2C, HD 6XX, and U12t's. I couldn't find any pairing that sounded good to my ears. What I'm trying to understand is why everyone raves about this amp? I also found that the single ended output was basically unusable. As harsh as the sound was coming out of the balanced output I will admit that the sound was very clean albeit fatiguing af. From the single ended output I still got a hard edged sound but the music was muddy to say the least. Simply put it sounded like garbage. Even at the discounted price of $200 I felt the amp was not worthwhile. I owned the Schiit Magnius for a short time which I purchased from the Schiit website for $200. That amp was leagues better than the 789 but for some reason 789 gets all the attention. What gives?
Hello guys had the Massdrop THX 789 purchased on 2019 so no more warranty, either way Drop CS sucks anyhow. Currently using alternative neutral amp. Does the THX 789 have short circuit over protection overdrive mode to protect the internal circuitry design if more voltage is added. For instance, running other amp PSU 30V 1.25A to the 789 24 V 1.8A.
For whatever reason, my THX 789 remains at red LED and does not turn white LED even after 30 minutes. It has never happened before though, and regardless whether it has overprotection circuit or not, I did use the stock 24 V 1.8A but does not turn white still remains at red. Then I tried other amp PSU 30V 1.25A to the 789 24 V 1.8A, still remains at red. Point is, I did use the stock PSU provided for THX 789 before I use other PSU which has higher voltage difference of 6V.
Is the Red LED not turning to white LED is a common dilemma for most people ? Quite odd.
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