Accidental Erase/Record Protection

To protect a finished master tape, it is necessary to punch out both record protect tabs. Even though you are recording in only one direction, the 424 MKIII uses the entire width of the tape, as mentioned above. If, for example, you remove only one of the tabs, you could accidentally insert the cassette into the 424 MKIII backwards and erase all four tracks of the master.

 

Side A

Side B

safety tab

 

safety tab

 

Tape Length

Use the shortest possible tape for a given work. It is not unusual to play a tape 100 times before you are finished, so select a cassette length that is as close as possible to the length of the program you plan to record. Cassettes C-60 length and shorter are often made from thicker stock than longer cassettes.

The tape used in C-120 cassettes is extremely thin and can cause winding problems, crimping, wrinkling, and other damage to the oxide coating of the tape which will destroy your work. Don't use C-120s in the 424 MKIII.

Remember that at 2X normal speed, and the "one-side-only" 4-track single direction format means that you have only one quarter of the normal play time:

 

 

(approx.)

Tape Speed

9.5 cm/sec.

4.8 cm/sec.

Cassette

 

 

C-46

11.5 min.

23 min.

C-60

15 min.

30 min.

C-90

22.5 min.

45 min.

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Tascam 424MKIII owner manual Accidental Erase/Record Protection, Tape Length