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REV33: Here's some snake oil for you to sink your teeth into
REV33: Here's some snake oil for you to sink your teeth into
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Old 30th June 2016, 10:57 AM   #11
DF96 is offline DF96  England
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It is not an "impedance matched resonant circuit" but a crude low pass filter; resonance needs to be avoided in order to avoid causing the very thing this simple circuit claims to prevent. "Feedback reflection" is meaningless. "Induced" is perhaps just a pseudo-posh way of saying "caused"; in EE 'induced' has a particular meaning which presumably is not intended here. "Slope differential" is either tautology or a peculiar name for the second differential.

It appears to be a way of coping with cheap filterless Class D chips, by adding an external filter. Much better for FCC/Ofcom etc. to ban filterless Class D on EMC grounds.
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Old 30th June 2016, 11:31 AM   #12
Max Headroom is offline Max Headroom  Australia
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Filter the highs and add a zobel....perfect for IEM's, the intended market.
Anything that reduces IEM fatigue is good....try wearing a talkback headset for a loud three hour show with lot's of cues.

Dan.
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Old 30th June 2016, 11:45 AM   #13
DF96 is offline DF96  England
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Why does a simple filter have to be sold with such hype? Is it merely a justification for the price, or an acknowledgement that the target market (musicians and their techs) don't understand technology and so need to be told a good story.
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Old 30th June 2016, 11:56 AM   #14
mcandmar is offline mcandmar
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I can feel the difference right away with the REV33. After I come off stage, I feel completely better and I dont have that after show ringing in my ear that Ive always got had.


Got had?
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Old 30th June 2016, 12:11 PM   #15
gpauk is offline gpauk  Scotland
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Originally Posted by mcandmar View Post
I can feel the difference right away with the REV33. After I come off stage, I feel completely better and I dont have that after show ringing in my ear that Ive always got had.


Got had?
Well, he's been had....
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Old 30th June 2016, 12:20 PM   #16
Max Headroom is offline Max Headroom  Australia
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Originally Posted by DF96 View Post
Why does a simple filter have to be sold with such hype? Is it merely a justification for the price, or an acknowledgement that the target market (musicians and their techs) don't understand technology and so need to be told a good story.
The world is full of products that give hazy/hype explanations, so what/BFD.
The point of this product is that it makes a very useful difference, and is in a suitable form factor for the application.

Dan.
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Old 30th June 2016, 12:23 PM   #17
gpauk is offline gpauk  Scotland
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Or, a fool and his money.....
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Old 30th June 2016, 12:34 PM   #18
Steve Eddy is offline Steve Eddy  United States
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Just shows how worthless 99% of patents are...
Yeah. But that word "patent" greatly impresses those who don't know any better.

se
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Old 30th June 2016, 01:30 PM   #19
Max Headroom is offline Max Headroom  Australia
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Yeah. But that word "patent" greatly impresses those who don't know any better.

se
Patent also means unique, an improvement or a new solution.

Dan.
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Old 30th June 2016, 01:53 PM   #20
DF96 is offline DF96  England
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Originally Posted by Max Headroom
Patent also means unique, an improvement or a new solution.
Not everywhere in the world. In some countries patent simply means existing knowledge which a powerful person wishes to appropriate for his own exclusive use, or complete nonsense which someone sincerely believes and the patent officer can't be bothered to check.
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