New McIntosh MHA200 Headphone amp
Mar 31, 2023 at 10:46 PM Post #617 of 632
In fact you could. The MHA200 has a pre-out so you simply drop it into an input on the 150
Jason, there are only inputs on the back of the MHA200, right? Where is the MHA200 pre-out you are talking about?
 
Apr 1, 2023 at 12:01 AM Post #618 of 632
Jason, there are only inputs on the back of the MHA200, right? Where is the MHA200 pre-out you are talking about?
So you use the headphone balanced out. In some applications you would use the MHA200 in Unity mode
 
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Apr 1, 2023 at 3:29 PM Post #619 of 632
Just bi-wire using the 1.25kw …… much better end result. The 451 & 901 are great if you’re using very bright speakers that need calming
Yeah I have no complaints using the 1.25’s but would love tubes for the top end. It makes a small but enjoyable difference. I’ll probably end up with a pair of MC2301’s which I have my eye on used locally… I just didn’t want to spend that much for such a small frequency range and minimal impact but who knows they may be game changers… I’ll let you know if I pull the trigger. Cheers mate 🇮🇹
 
Apr 1, 2023 at 5:32 PM Post #620 of 632
Yeah I have no complaints using the 1.25’s but would love tubes for the top end. It makes a small but enjoyable difference. I’ll probably end up with a pair of MC2301’s which I have my eye on used locally… I just didn’t want to spend that much for such a small frequency range and minimal impact but who knows they may be game changers… I’ll let you know if I pull the trigger. Cheers mate 🇮🇹
2301’s are likely going away soon. It’s going to be updated but it’s an awesome tube power amp
 
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Apr 1, 2023 at 7:10 PM Post #621 of 632
So you use the headphone balanced out. In some applications you would use the MHA200 in Unity mode
Thanks Jason. I can see where the MHA200 volume control could be kept at unity gain and then a preamp could be connected to the MHA200 inputs. Then, one could use the preamp volume control for MHA200 headphone listening.

I have to admit, I have never considered the MHA200 as a preamp which would connect downstream to an amp using the balanced (headphone) out. I just assumed that the MHA200 outputs were just for headphones. Never thought to think "outside the box."
 
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May 7, 2023 at 12:38 PM Post #623 of 632
Hi Jason,

Do you know if using the XLR inputs on this amp sounds louder than using the RCA ones?
Always! It results in a lower noise floor. Think of it this way, RCA has an antenna effect. The 3rd wire in an XLR acts like a rejection to that. Depending on what’s in the system it can manifest as louder
 
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May 14, 2023 at 10:04 PM Post #624 of 632
The MHA200 is now available online!
McIntosh has allowed Authorized Online Dealers to sell these online. We are authorized to sell them online within the US contiguous States, Hawaii and PR. and we have them in-stock! …… Finally 👍🏻
 
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May 20, 2023 at 3:28 PM Post #625 of 632
Quick question for you. Can the MHA200 power the Abyss Diana V2 cans? How is the power as compared to a solid state amp? It might now be enough for the Susvara but can you give me your thoughts? Even in PM if necessary as I am aware you can’t reply on the thread. Thank you in advance. Best Regards



Zoom app is spyware... not for me. Perhaps they can do one over Webex.
 
May 20, 2023 at 3:43 PM Post #626 of 632
I am using iPad Pro next to the MHA200 for streaming music and noticed the scratching sound. Not a big deal for me so I didn't mention it until I saw this post.

1625000498305.jpeg
Hello.
Is there enough power from the MHA200 to power the Abyss Diana’s there? What model are they? Are they the V2, PHI or TC? How does it power them? Feel the need for more power? Thanks in advance for answering.
Cheers,
Enrico
 
Mar 29, 2024 at 12:01 AM Post #627 of 632
Few nights ago, I accidentally yanked my headphone cable causing aruptly pulling out 1/4 inch stereo plug. After that event, I lost right channel. Tested using 3 headphones I have. I haven't tried any balance connections if the same problem exists since I do not own any balanced cables. Anyway, I brought the amp to my hifi store, an authorized mc dealer and they said they will look at it. I got a phone call yesterday from them and they said both channels have sound but it has statics. They recommend to send the amp to McIntosh to get serviced. Since the amp is out of warranty so I will need to pay whatever it costs to fix I suppose. Do you guys think I should send the amp or seek alternative?
 
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Mar 29, 2024 at 2:45 PM Post #629 of 632
Hello.
Is there enough power from the MHA200 to power the Abyss Diana’s there? What model are they? Are they the V2, PHI or TC? How does it power them? Feel the need for more power? Thanks in advance for answering.
Cheers,
Enrico
If you’re a loud listener then the answer is probably not. If you’re a moderate level listener than yes, no problem
 
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