Forums › Life › Computers, Gadgets & Technology › Forgotten audio formats: The Highway Hi-Fi
for the same reasons 1980s pop pirate station Laser 558 (based on the MV Communicator in the middle of the North Sea) opied all their vinyl records to NAB tape cartridges (widely used by radio stations for jingles, ads and othershort audio inserts up to 5 mins until digital playback systems took over in the late 90s) as it was difficult to get vinyl records to keep tracking during rough weather….
PS: A cart machine looked like this (Sonifex is a British company which still makes a lot of decent radio broadcasting equipment)
[IMG]https://www.partyvibe.org/forums/attachment.php?attachmentid=155119&d=1459086361[/IMG]
the tape cartridges used 6,25mm tape (the same sort used on tape recorders that used spools of tape – it usually ran at 19 cm/s)
the one below would only have a few seconds tape on it – they could be loaded with more tape for longer content.
presenters had to be careful to wait for the “ready” lamp to show (there was a special marker tone recorded before the content started) or the jingle/music would start at the wrong point – the carts could also go wrong in various ways causing wow/flutter or worse jam up inside the machine….
[IMG]https://www.partyvibe.org/forums/attachment.php?attachmentid=155118&d=1459086361[/IMG]
I’ve seen tape cartridges already inserted in the readers as in the 1st pic but I had no idea how they looked inside, thanks.
Is that wound round 2 reels on the same spindle in the center? One behind the other or something?
@tryptameanie 980446 wrote:
Is that wound round 2 reels on the same spindle in the center? One behind the other or something?
it is actually a single spool (there were some ancient video cassettes from the 1970s which did have one reel above the other) the tape is an endless loop and is covered with graphite (it unwinds from the centre of the core). This is hard to explain but this dude from London (from his accent I think he is from same area I was born) has a home studio full of 1980s era kit and demonstrates how it all fits together (and some of the various pitfalls a broadcast engineer of that era could encounter; including taking a hit from 230V when servicing the Revox tape recorder!)
Very interesting video, thanks very much.
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Forums › Life › Computers, Gadgets & Technology › Forgotten audio formats: The Highway Hi-Fi