ADAT recorder of high quality with three independent inputs assignable quality on two tracks, versatile, durable, lightweight 3.5 kg in running order in his house with batteries, headphones and cable.
I use it for 6 years without any problem, with a revision every year.
It is longer, standard recording film.
cot energy, its basic autonomy NP1 is ridiculous as a demi-heure/une hours but it passes close to 3 hours on a 50 NP1.

For use with a mixer such as quality of Cooper Sound CS 104, or Sonosax and another world awaits you!
Used cot enough about 3500 euros for equipment that does not fall into pieces.
The Repair Tool maintenance and trs are expensive but essential.
I will take your eyes closed the rolls royce Versatile ADAT recorders.
now a material about to be overtaken by non-linear recorders such as Nagra V, Zaxcom Deva 5, Fostex PD6 Aaton Cantar or ...