GTK Duplicating Co.: Difference between revisions

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As confirmed by a few of my GoodTimes tapes.
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==How to Tell==
==How to Tell==
* Most tapes duplicated at GTK Duplicating Co. were duplicated on cassettes manufactured in either Hong Kong, Korea or Taiwan, and had the audio track in linear only, although many SP-mode tapes duplicated at this arm did have a hi-fi audio track in addition to a linear track.
* Most tapes duplicated here were duplicated on cassettes manufactured in either Hong Kong, Korea or Taiwan, and had the audio track in linear only, although many SP-mode tapes duplicated at this arm did have a hi-fi audio track in addition to a linear track.
* Post-1986 tapes have a black screen test pattern with the 1000 Hz tone for about 45 seconds at the end.
* Post-1986 tapes have a black screen test pattern with the 1000 Hz tone for about 45 seconds at the end.
* Some tapes have the recording tab intact; some tapes omit it.
* Some tapes have the recording tab intact; some tapes omit it.
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