I've had the 424s since the 70's and am looking for something with a similar sound that isn't 2000 ohms and easier to drive. So, how would you compare the 420sl to the 424s? I like the bright lively sound of the 424s, and find most newer Sennheisers to be too bassy and soft in the high frequencies.

There's too many choices, and nowhere here to audition them. I guess I'll just stick with my Sennheisers until they die, and then worry about it.

I listen to mostly classic rock and blues and will be plugging into an old Kenwood integrated amp and maybe into my guitar amp for late night jamming without bothering my neighbors, 'cause I live in a small studio apt. Trying to keep it under $200, if possible. Thanks for the help.

Aloha from Honolulu, I'm a new member, and this is my first post. I've had Sennheiser HD424 headphones since the 1970s, and although they still work fine, Sennheiser no longer makes replacement drivers for them So, if they ever die I won't be able to repair them. I am therefore looking for...