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Re: U67 female 7 pin Tuchel insert
Author: Klaus Heyne
Date: 11/30/2012
The original RF-Tuchel parts were of high quality, with complex metal housing parts and construction, with high quality plastic bodies that were impervious to melting during soldering (unlike the el cheapo Binder brand), using contacts with heavy-duty silver plating, guaranteeing long service life.

Precision connectors like these needed a high quantity output to amortize the cost of manufacturing. When the numbers dropped, as early as the late 1970s, the buy-outs came: first of the Tuchel company by Amphenol, then of Amphenol by Allied; finally all manufacturing tools were scrapped in the early 1990s. Precious connector parts for precious mics are now old stock only: U67, U47, etc. There are still some new stock for Neumann's 12-pin Stereo mics, and the Binder M2xx broadcast RF connectors are still made, but are a step down in quality in my opinion.

It's the same story as with microphone tubes: The sales numbers are not there to justify retooling of high quality parts.

P.S.: The work-around I recommended for owners of U67 in the link is an elegant, esthetically acceptable solution, as long as you make sure that the friction washers inside the female chassis-mount and cable connectors remain elastic, to buffer against over-tightening and subsequent connector breakage. The washers can still be obtained, or easily substituted with a home-made variety  
 
Reply
Doug Jane
11/29/2012
Martin Schneider/Neumann
11/29/2012
Klaus Heyne
11/30/2012
Doug Jane
11/30/2012
Klaus Heyne
11/30/2012
Doug Jane
12/01/2012
Klaus Heyne
12/02/2012