Hopefully this short article will help some eBayers whom are unsure about what type of tape to use on their recorders.
If you have a tape recorder that has' pressure pads' which press onto the record.and or playback head,you should only use glossy backed recording tape,otherwise if you use a 'back coated 'type of tape- a build up from it will contaminate and eventually clog the pressure pads, which will then need to be replaced.
If you have a tape recorder that doesn't use pressure pads against the record.and or playback heads,then you should ideally use a back coated tape,although you can use glossy as well.
Types of tapes and reasons for using :
Glossy Tape (non backcoated): Used on all domestic recorders since the year dot!,comes in standard play ,long play,double play,triple play. Advice : try and use standard play tape if you can (although if you have a four track recorder-then LP tape may be better).Main reason for Standard Play: less likely to deteriorate with time,less print through,less prone to damage,and will spool better.
Matt Backed Tape (backcoated): Normally used on professional recorders-that don't use pressure pads,but rely on tape to head contact/back tension etc.Normally supplied in standard play length.Most backcoated tapes will spool smoothly (although brand types such as Ampex and Scotch won't- and will 'leaf' badly)
Tape Durations (Recording on one side of the tape only)
a 10.5 inch Reel of Standard Play tape Running at 15ips will last for 32 mins (2'400 ft on reel)
a 7" reel of standard play tape running at 7.5 ips will last for 32 mins (1200 ft on reel)
a 7" reel of Long Play play tape running at 7.5 ips will last for 45 mins (1800 ft on reel)
Above is only a rough guide - there are other reel sizes,and also other thicknesses of tape as mentioned,however you can get an idea of running times from above.
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