Posts by bruma

Quote: Originally Posted by vid  ^ Microphone and response plots for comparing mod progress.   On a similar note, I looked through a lot of the gallery for this thread a few days ago, and saw very few...

Quote: Originally Posted by vid  Doing a listening comparison of the Unipolar and HP-50S now - as far as bass goes (in reference to the above), both phones do 50 and 40 Hz relatively close to the 1 kHz level, though...

Quote: Originally Posted by Drakkard  It is written fully in Russian, Im not sure if you can translate it all well. I can try to do it later if I have some spare time. But anyway, you can find it here -...

Quote: Originally Posted by dcginc  What are people doing to replace/repair Yamaha HP-1 headbands where the plastic has cracked and pulled away from the suede material? Thxs I combine a self adhesive soft-pvc...

Quote: Originally Posted by Habitat  http://www.t-linespeakers.org/drivers/ribbon.html   However it states 8 ohms and not the 32 ohms in the article.  Can these be used in place of the SFI ones? If...

sold  

so we could possibly trade with the sony ecr 500?  

for sale or trade (micro seiki ms 2, ...or some stax?) are this extremely rare electrostatic headphones from Beyerdynamic from the period between 1976 and 1981. I restored them to the original state as close as possible. The...

Quote: Originally Posted by bruma  Please send me your offer - Thanks a lot! I got no offer until today - maybe someone wants to make a christmas surprise? :-)

update to the HP-1 mods: new earpads made of fine goatskin with visco foam: made the hole smaller than the original (for comparison on the left side of the picture) and got a better seal to the ears and the sound is more...