bharat Posted April 22, 2020 Share Posted April 22, 2020 Good day, CN03277 and CN03279 are serial numbers of two MC 75 monoblocks I am considering purchasing. Is it preferable sonically to find two that are sequential? Does anyone know how I may go about estimating the year when they were produced based on the serial number? Thanks, Bharat Quote Link to comment Share on other sites More sharing options...
Coytee Posted April 22, 2020 Share Posted April 22, 2020 I don't think that would bother me. Heck, when Mike & I ordered our Jubilee's, I think they mixed up the bins as I have (for example) serial number 1 & 3 and presume Mike has 2&4 1 Quote Link to comment Share on other sites More sharing options...
bharat Posted April 22, 2020 Author Share Posted April 22, 2020 30 minutes ago, Coytee said: Hahaha! I don't think that would bother me. Heck, when Mike & I ordered our Jubilee's, I think they mixed up the bins as I have (for example) serial number 1 & 3 and presume Mike has 2&4 Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted April 22, 2020 Share Posted April 22, 2020 MC 75 - Sold from June 1961 - May 1970. S/N: 100B1~632B0 (9,981 UNITS) Units that are one number off is not a big deal at all. You can call Mcintosh Labs and find out the answer to your question, or failing that, you could try Audio Classics. http://www.mcintoshcompendium.com/Compendium Docs/Power Amplifiers/PDFs/MC75.pdf 1 Quote Link to comment Share on other sites More sharing options...
bharat Posted April 23, 2020 Author Share Posted April 23, 2020 3 hours ago, jimjimbo said: Thank you kindly for the information. MC 75 - Sold from June 1961 - May 1970. S/N: 100B1~632B0 (9,981 UNITS) Units that are one number off is not a big deal at all. You can call Mcintosh Labs and find out the answer to your question, or failing that, you could try Audio Classics. http://www.mcintoshcompendium.com/Compendium Docs/Power Amplifiers/PDFs/MC75.pdf Quote Link to comment Share on other sites More sharing options...
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