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-   -   lcr riaa (http://www.diyaudio.com/forums/analogue-source/36386-lcr-riaa.html)

Raj1 20th June 2004 03:11 PM

lcr riaa
 
Hi,
http://www.audio-consulting.ch/LCRRIAA.htm
Has anyone tried this type of approach? I'm new to turntables, looking at getting one soon, I always favour minimalist approaches (I know there are disadvantages etc). As I don't know much about cartridges etc, what kind of cartridge would give the required ouput to use this kind of riaa circuit, I assume a step up tranny would have to be used prior ?

Thanks
Raja

Brian Clark 20th June 2004 03:40 PM

Though simple a little demanding to implement since the LCR network must either be driven from a 600 ohm source impedance or be driven from a source capable of driving a 600 ohm load impedance. Deviation from 600 ohms will cause deviation from RIAA accuracy.

Somewhat cheaper than Audio Consulting

http://www.stevens-billington.co.uk/riaapage.htm

To make life easier S&B are developing a 10k version.

BTW the product description was written by Thorsten Loesch who has successfully implemented an EQ600 phono pre using a pentode input valve (E810F/7788). The 2nd stage can be a triode connected E810F, a 6S45P/6S45pi or similar for a 2-valve circuit implementation. For MC cartridges a step-up transformer would be required at the input.

Brian.

tiefbassuebertr 24th April 2014 11:56 AM

Which audible different exist compare to an ordinary RC RIAA Network?
 
Who have perform a listening test to compare a LCR vs. a RC RIAA network by the use of gain stages with the same sonic quality?


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