Ocd hify guy. Regarding amplification. (you tube)

hiesteem

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I recently watched some video's that Ocd hifi guy made on amplification, which I found interesting and illuminating regarding the internal quality of some hi end manufacturer's amplification. I will not name any of these manufacture's.
He opened up some of these amplifiers and even to a non electrical engineer like myself, some of the material and how it was implemented seemed dubious upon observation.
What was shocking and obvious was the wiring was all over the place and the flimsy sheet metal used as isolation inside some of these £50,000 amplifiers.
The point he was making was some of these products are sold on marketing and branding and not on audiophile quality.
Now, my knowledge on how to build an amplifier is very limited, however It does seem to me that capacitors, power supplies, wiring, heat sinks, and the boards to mount them on, as well as the chassis follow a law of physics and unless the parts used are made of precious metals, then even the highest quality is difficult to justify what he was showing inside some of these very expensive amplifiers.
Anyway it has made me think about any potential purchase in terms of parts used and how it's put together.

He also believes a separate pre amp is a waste of money for a digital rig, he says it's best to buy a top quality dac with a volume control on it.
He is an interesting guy, where audio equipment is concerned and whilst I feel he offers useful knowledge, he does seem to lack flexibility in his opinions.
 

Jazid

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OCD person lacks flexibility? :ROFLMAO:
I agree with his surmise that a pre-amp for digital is a bit of a waste, well, unless the power amp is low gain - several Audio Note amps for example come in this flavour. Others will disagree, fair do's, and I also like a pre-amp from time to time for added musical "oomph" and because they add useful features, eg switches for source, mono, phase, controls for bass, treble, balance &c.
 
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JamieMcC

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Had quick but noticed one of his viewers compiled a Tidal play list of all the music played in his videos over the years some 35hrs worth.

Definitely some nice tracks and worth exploring on shuffle play if nothing else for a eclectic mix of background listening.

Plays via roon also but unable to post a roon link but a OCD guy search should find it.

https://tidal.com/playlist/67a730e6-f9c9-481a-8650-76559d981518
 
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rabski

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...the wiring was all over the place and the flimsy sheet metal used as isolation inside...
Just to comment on that bit, metal used for shielding does not need to be thick or mechanically strong. It needs to be the correct material in the correct place. A whacking great piece of iron may well be less effective than a 'flimsy' sheet of copper, depending on what is being shielded and what it's being shielded from.

As for the wiring, I personally prefer 'neat and tidy' as it makes it easier for me to find what I've screwed up when I build stuff. However, there are many cases where what looks 'all over the place' is actually deliberate, or at least effective in reducing hum pickup.

With regard to the rest, I don't watch cocktube videos of people taking things to bits to criticise them. I have seen very little evidence that those criticising have the knowledge and ability to do anything better, or that some of them have the faintest clue what they're talking about.
 

garn63

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I watched 2 or 3 of his videos a couple of yrs ago. I remember he was trying to gain the viewers trust by mentioning sales scams he used to pull when working door to door ? He then went on to say "trust me I'm not like that anymore, oh and I have some great bargains exclusively for viewers". Around the same time was an interview with the lady from Manley. She saw through him right away, asking if that was the L.A. skyline behind him...or a poster for effect.
* Sorry if your a fan, am just being honest.
 
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hiesteem

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I watched 2 or 3 of his videos a couple of yrs ago. I remember he was trying to gain the viewers trust by mentioning sales scams he used to pull when working door to door ? He then went on to say "trust me I'm not like that anymore, oh and I have some great bargains exclusively for viewers". Around the same time was an interview with the lady from Manley. She saw through him right away, asking if that was the L.A. skyline behind him...or a poster for effect.
* Sorry if your a fan, am just being honest.
Not a fan. I find him amusing in his forth right approach. I've got my own ideas about things.
 
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hiesteem

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A guy like this is always going to be controversial, and I always take the information I want and leave the rest regardless of who is giving it. Although his music video demonstrations are of good quality and he has introduced me to Jeff Rowland amplification and the possibilities of class D sounding very good.
 

Jazid

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Haha,
I didn't bother to watch it; like Richard I have no interest in what randoms think whilst dismembering a bit of kit (although I do tend to make an exception for EEVblog teardowns).
I just took Hiesteem's synopsis at face value.
So he's a bit marmite eh? Fancy a man calling himself OCDguy being that :unsure:
 

Motortown review

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from what I’ve seen, he only wants to sell digital, he’s not interested in analog, seems like he’s just promoting what he wants to sell, which is ok, but seems to rubbish anything else under a certain price/make band.
 

Rayymondo

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I haven't watched any of his videos but I do love to find pictures of the insides of the kit I own or am interested in purchasing - even though I haven't got a clue of what most of it does it's still nice to see it, especially if it's on the companies own web site where they clearly have nothing to hide and often proud of their build quality.
 
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