I have a pair of BHK300s. Replacing the rail fuses with HiFi Tuning Supreme fuses along with the fuse to the valve input was an immediate and impressive upgrade. Replacing the main input fuse with a graphene sluggo and Swiss Digital Fuse Box was incredible on top of those other fuse changes. I expect the same treatment of the BHK250 will yield similarly spectacular improvements.
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Still have the M700’s. Wanting to get the 1200’s but haven’t yet. Sorry if my previous post made that unclear.
If this helps tomhail, I have owned and listened to both the M700’s and the M1200’s and there is a sonic difference between them. Like everything in life, we are all controlled by a budget of some sort. Yes, there is a price difference as you well know, but it is not outrageous. When I first purchased the M700’s I thought I was set and and compared to my previous amps the M700 was a step up. It did everything as advertised!
But as I got more into listening to them in my system over time, I began to notice some sonic anomalies especially in the upper registers. It was sort of fatiguing to my ears, almost electronic induced outside of the music to the point that I subconsciously began to not listen as loud (60 to 70Db) and not for as long either.
The noise was somewhat hard to spot initially but as the M700’s broke-in and my ears became more adjusted to the style of sound the amps produced, is when I began to notice the harsh sound in the very top end of the treble.
I think that about a year or so later, when the M1200’s come out.
Well I was very intrigued and hopeful that the new amps with more money and research thrown at them would sound better. Smoother with less hash at the top end.
Well as luck would have it, I was very pleased with the M1200’s sound from top to bottom. Everything was there and noticeably so. Was the high-end hash gone?
Well no not completely but it was greatly reduced and was much more livable and not nearly as fatiguing plus I was back to being able to listen longer and the sound was far less tiring to my ears.
So in winding this post up I want to encourage you to if at all posable to move forward and get your hands and ears around a pair of M1200’s. You won’t regret it and your ears will appreciate it very much.
Remember, this is my opinion and my experiences with my associated electronic equipment and speakers. Your system will sound different to mine for a variety of reasons that we all know about.
I am not sure I have help you make any decision but it is food for thought. Good luck with what ever you do!
Cheers,
Sandrock
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oh wow. Thank you for sharing your valuable experience. M1200’s are on on my upgrade list for sure.
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I have the M1200’s and highly recommend them also!
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I also started out with M700s and upgraded to M1200s. I could have happily lived with the M700s until I listened to the M1200s. I feel the sense of ease the M1200s have in their presentation makes them well worth the additional cost over the M700s.
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I upgraded to M1200 from a set of amps that cost way more than double of them, and I was happy.
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