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The manufacturer producing the MJE-K47 to my specification supplies capsules to several well-respected, big name microphone companies (not low cost "re-branders" btw).
Because of the sensitive nature of these strategic alliances, I have been asked to protect confidentiality between the capsule manufacturer and their microphone company clients and have agreed not to disclose the name of either the capsule manufacturer or their client microphone companies. Indeed, the only way to gain access to and work with a capsule manufacturer of this stature is to demonstrate, over time, a high degree of sensitivity to their business model and that of their client companies. Mutual trust building must occur and this does not happen out of the blue or between companies without track records.
re: Peluso capsules - they are indeed excellent capsules. However, I encountered stiff pricing resistance from my clients to the cost of the Peluso P-K47 capsule. In order to offer a more affordable K47-type solution I had to find an alternative source, build a business relationship and commit to high quantity purchases. It has been a long research, development and business relationship-building process to identify a company with the experience, computer automated manufacturing and testing facilities that can produce high quality K47-type capsules to my specifications for frequency response, consistency (front-to-back & capsule-to-capsule) and price. As a side note, the frequency response consistency has been remarkable: response within +/- 0.3 dB of reference standard across the spectrum when comparing front to back side response (but each capsule will still be supplied with an individual anechoic plot).
Because these capsules carry my name and I want to ensure a high quality experience with them, I will not offer them as stand-alone units for DIY'ers and will only build them into microphones under my control. OktavaMod / Michael Joly Editions is a systemic approach to microphone design and / or upgrade that involves a suite of specific parts, tools, techniques and testing procedures. It is for these reasons I've never offered DIY kits or instructions (the quality of the final results can not be guranteed) and I prefer to only offer a complete service under my personal control.
The Peluso P-K47 remains an excellent choice for DIY'ers and is available directly from Peluso Microphone Labs. However I will say the MJE-K47 capsules have a bit lower diaphragm resonant frequency tuning and thus are a bit more "robust" while the P-K47 is a bit "leaner" in the upper-bass / lower-midrange.
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