generate questions: Analog tape recorders with bandwidth capable of recording analog HD signals, such as W-VHS recorders, are no longer produced for the consumer market and are both expensive and scarce in the secondary market.
W-VHS recorders are capable of recording what kinds of signals? {sep_token} What kind of recorder is no longer produced for the consumer market? {sep_token} In the secondary market, analog tape recorders are considered what? {sep_token}