Vintage Asylum

Classic gear from yesteryear; vintage audio standing the test of time.

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RE: Refubishing old Sherwood S-5000, need schematics

Posted by Eli Duttman on March 3, 2017 at 10:31:34:
You certainly can use those nice 6BL8s in your adapters.

28 of 'em, you say. Methinks you could sell several, for some $, and still have enough to last the rest of your life, while helping other enthusiasts in keeping their equipment functional. Also, 6BL8s are the O/P tubes in McIntosh MR-67 and MR-71 tuners. ;>)

Download and cross compare the data sheets for the 6BL8, 6GH8, and 6U8, from Frank Philipse. http://www.tubedata.org/

Also, check out the schematics for the Scott 233 and 299C regarding interchangeability of the 3 types.