Few other decks have such fine record gaps or as effective bias.
Yes, on occasion, Aiwa/Sony, and Pioneer got close, and B&O and Revox.
And, as others note, 'serviceability' for the twin capstan 3-head Naks is often better.
I have been using a PRO/Slave updated B300 Plus a generator AND lab. reference alignment /replay cassettes for a longish time.
my car head unit is a NAK as well!
BSEGrin!
Warmest
Timbo in Oz
The Skyptical Mensurer and Audio Scrounger
And gladly would he learn and gladly teach - Chaucer. ;-)!
'Still not saluting.'