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Posts by bluemonkeyflyer

1. Tennessee   2. HE-6, PM-1, LCD-2 v1, HE90 and HEV90, HD-800, PS-1000, HD-600, AKG-Q701, Sansui SS-100, modified T50RP, Vixen V3, YH-1000, Amfiton H25C retrofitted with current diaphragms and neodymium 42 magnets, Darth Beyers, RS-1, HiFi M8, HA-1, GS-X MkII, modified Emotiva Mini a-100, Project Ember   3 . Extensive including DIY frequency response measures of each headphone for my archives   4.  Agreed. 
 Purk,   You're the Best!  Thanks so much for the help. I want to test the stock tubes with a calibrated - vintage tube tester.Are you running the original tubes or did you switch them out?  I'm interested in hearing from anyone who has rolled some tubes and would love some suggestions. I've got many NOS 9-pin tubes, none of the larger ones. Happy 4th to all!
 Simple Mod: 1. Change the pads: Try Shure 840, FA-003, etc. Pads make a world of difference. You can also modify the pads in various ways. 2. Make a 3 mm temporary external Bass Port: Use masking tape or electrical tape over the cup vents. Use an X-Acto knife to cut the 3 mm (width) hole over the center of one of the 4 vent slots. The tape closes off the rest of the vents. Make sure All the external vents' area is completely sealed right up to the sides and corners. A...
 I'm happy to help a fellow "DIY Modder." Good luck with your restoration. Please post your final damping scheme.
 I should add that Dan "The Man" Clark sent me a bunch of un-needed baffles and cups a few months ago, free of charge.What I will send you are parts he sent to me...sharing the love... from mrspeakers. ~ BMF
:-) Your pleasure is mine. BMF
I will send you spare stock baffles. PM your address and it is Done.
Thanks for the help! If anyone knows the procedure for biasing the tubes, please post. Does anyone have a PDF of the service manual? ... not the informational brochure found on Sennheiser's support page.
Which screw?What tubes did you try and which ones did you settle on?Thanks!
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