Gradiente DR-1
This page was last modified 22:07, 20 January 2021 by Mars2000you. Based on work by Nitrofurano.


The DR-1 is a data recorder released by Gradiente in 1985. It can run from batteries or the included AC adapter. Official product name is 'Auto Set Cassette Data Corder'.

It was also available under other brands:

Note: the case is grey. A black version was planned (under the reference DR-2), but was never released.

Brand Gradiente
Model DR-1
Year 1985
Region Brazil
Launch price
Package content Data recorder, Power supply adapter, User's Manual


Gradiente DR-1
Gradiente DR-1 underside
Gradiente DR-1 opened
Gradiente DR-1 left side
Gradiente DR-1 label
Gradiente DR-1