After a lot of wild theories about why my Tascam 488 was playing back a test tape much quieter with the case closed than with the case open, the solution turned otut o be really simple and dumb - i only had one of the two screws inside the cassette cavity in place! Inserting a second screw mitigated the problem. The same issue will apply to 646 and 488 MK II as well since those models have these cassette cavity screws.
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Негізгі бет Tascam 488 Mk 1 & 2 | poor playback levels - SOLVED - 2 screw fix
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