They allow smoking in the bar and you can smell in all the common areas. Plus, the bar is loud pretty late into the night. Nice staff.
Wonderful old building. Extremely friendly staff and a great vibe in the common room. Location just minutes from everything.
I stayed in the female dorm which is next door and up three flights of stairs. Quiet, generally clean and pretty spacious. A much quieter vibe than at the main part of the hostel and good if you don't want to be surrounded by pot smokers. The rest of the hostel seems typical for Amsterdam.