I asked this question over on Dave Werden's forum a couple of years ago. I purchased my 321 in 1984 and it still has the metal valve guides. The piston part # changed in 1986 so presumably that's when they switched to the plastic valve guides. Other changes that I am aware of include: Shorter third ...

I would suggest the Sony MDR-V6, but they have long since been discontinued. You could try the Sony MDR-7506. They are a bit out of your price range (~$80), but you can probably find a used pair for less. I still use my 30-year-old pair of MDR-V6s for general listening at home as I prefer the flat ...

bloke wrote: ↑Tue May 04, 2021 2:47 pm

cbz wrote: ↑Tue May 04, 2021 12:02 pm In San Diego you can contact Jim Reeves at the Windsmith. I've had Jim work on my horns in the past and I've been happy with the results.

Arul

possibly, a son of Bob...??

Jim is from Canada so I'm guessing probably not.

In San Diego you can contact Jim Reeves at the Windsmith. I've had Jim work on my horns in the past and I've been happy with the results.

Arul

I owned a 642 for about 10 years and replaced it with a Neo a couple of years ago. I found that the 642 blew a little easier in the low range. The Neo offers a little more resistance, it slots better for me (e.g. G above the staff), and has a sweeter sound to my ears. Given a choice I between the ...