Tape machines
I have seen one or two Pioneer RT909 decks in radio stations-saw a couple of them at a small AM station.Thats a good point on the 1-7/8 IPS speed.It is not music quality.For voice or dictation only.Some broadcast "logger" machines run at that speed or even 15/16IPS-Half of 1-7/8 IPS.These were used in the old days for stations to keep recordings of what was played-or said at at given time-the logger machine would record a timecode as well so you could find it.Soundscribers were common loggers.Dictaphone made RR loggers as well.Used by emergency servi ces too.-such as fire and police.If you know people that work at radio and TV stations-those can be gold mines for RR tape decks and other things-esp turntables.I did some engineering work for a group of stations(studio,transmitter PM,transmitter repairs)and got "paid" with a nice Otari MX10 RR deck and many many Technics TT's and several cart machines.I too have encountered young DJ's at radio stations-as they sit at their Scott Studios computer touchscreen program playback system-they have NEVER seen a Turntable,records-or RR tapes and RR machines.One hadn't even seen or used a CD player!At radio stations these days the program "playback" is from a computer touchscreen system.These have very large hardrives and can store many hundreds of hours of program material.The operator can call up commercials,promos,and songs from these systems.That is why tape machines,TT's even CD players,cart machines get left in the statrions storage or even given away to someone who wants them.