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4th November 2008, 11:05 AM
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#1 |
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diyAudio Member
Join Date: Jan 2004
Location: UK
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'70s Mark Levinson Op-amp
Hi,
Whilst truffling around the 'web, I came across this company: http://www.conisis.com/english/doa/index.html After 30 years, I wonder if anyone's seen a complete, authentic schematic? How much does this link have in common with the op-amp: http://www.marklev.com/JC2/jc2schematics.jpg ??? It looks pretty complete to me. Why is a 3rd party firm selling op-amps for a high price? Justin |
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4th November 2008, 05:25 PM
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#2 |
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diyAudio Member
Join Date: Apr 2002
Location: New York State USA
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This looks like a japanese firm.
The Japanese and the Chinese also, others as well, seem to like to clone and copy "classic circuits". This appears to be another - although I didn't see the schematic itself. Is there one?? Pretty looking products... _-_-bear
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_-_-bear http://www.bearlabs.com ...ur feeback please - like/dislike my what I have written? PM/email tnx. -- |
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4th November 2008, 05:30 PM
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#3 | |
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diyAudio Member
Join Date: Jan 2006
Location: Avalon Island
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Re: '70s Mark Levinson Op-amp
Quote:
Pretty cool, huh? read JC's thread for his latest thoughts. John Curl's Blowtorch preamplifier
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Just because you can't hear it doesn't mean no one can. |
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4th November 2008, 07:26 PM
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#4 |
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diyAudio Member
Join Date: Sep 2003
Location: Manly Australia (Jewel of the Pacific)
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Check the price out is that yen? 165,000yen that's around $1,500usd, that's why!!!!!!!!!!!!
It's just a buffer board with about $20 of parts on it. They have a restorers thing going over there, where they'll pay anything for, just to get a classic going, and you don't have to be a tech to fit it, this is what their "banking" on Cheers George |
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5th November 2008, 07:18 PM
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#6 |
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diyAudio Member
Join Date: Jan 2004
Location: UK
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Maybe I didn't use the right search term before posting here. You can see a more comprehensive thread on this topic, including some lab analysis, here: The JC-2 preamp schematic on the website is wrong...Mr.John C?
That Japanese firm is quite unusual. Take their Neve knock-offs for example; instead of cloning the gear everyone wants, i.e. the discrete stuff - 1066 /73 / 84 etc, they sell clones of the later V1 + V3 modules (not noted for sound quality, George Massenburg made a famous quote about them...not complimentary)... If you copy a '70s design you may get sued, but you can argue the copyright's expired... I'm not so sure about those Pope designs from the '80s... (The 'V' in Neve's name protocol stands for 'Vatican', a pun on the designer's name, David Pope) Maybe the Japanese firm should come up with a pun on the ML op-amp designer's name. Answers on a postcard please. Justin |
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