AW: Noise reduction for NE571

[Ullrich Peter]

Hallo Batz!

	>	My original CN2R noise reduction systems, the only real success story I've
	>ever had with electronics to date, used the N571. I have a stack of them
	>left if anyone wants to trade for something I can use these days. But I
	>have to say that as anything else these things are pretty lousy. They're
	>noise city as a VCA and the control section is pretty limited.

	Hmmh. I am sorry about the VCA thing as I built a VCa with the LM13700 and 
	this wasn't as good as expected. So I wanted to build one with the NE571.

	>The CN2R MKII used the much better NE572 which cost 3 times as much but are
	>worth it. The MKIIs were even DBX compatible but even by that time, circa
	>1992,  the noise reduction market was beginning to fall off. Everything was
	>getting cleaner.
	>
	>We did make a few retros that could be used to reduce noise in other things
	>such as el-cheapo guitar FX peddles etc, but I haven't found a need for an
	>NR since. 

	I don't like the NE571 for noise reduction, for this purpose I use the HUSH-devices 
	from Rocktron with the HUSH-chips produced by Analog devices.
	I also have another Crystal DNE denoiser but the Hush devices work better.
	So if anyone is in need for a good denoiser check out the Rocktron denoiser.
	I have the HUSH IICX (stereo) and the HUSH IIC (mono version).

	Ciao
	Peter

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                   Ing. Peter Ullrich         mailto:ullrich at kapsch.net
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                   Hardware & Software Developer /  Electronic Musician
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