I always buy new phono cartridges. The stylus is usually a large amount of the price. The condition of a used stylus is a wild guess. Even a super honest seller may not be able to tell either.
If I buy used tube gear, I usually assume I'll have to replace the tubes immediately, unless there is a clear indication how old the tubes are and the seller has good feekback.
If I buy used tube gear, I usually assume I'll have to replace the tubes immediately, unless there is a clear indication how old the tubes are and the seller has good feekback.