Echo analog is described above, the interior a well-stocked in printed circuit components that confirms, mains included.
1 ON / OFF
1 + 1 between instrument between a micro amp output + 1 footswitch jack
No bypass.
4 Knob VOLUME / BALANCE BETWEEN DIRECT AND DELAY / REPEAT / DELAY
2 LEDs: green for start, red for peak.

UTILIZATION

No manual, no info constructor must tweak a bit to find sounds nice, but hey no need to have done Polytechnic either.
No idea of ​​year of manufacture.
If anyone has info on products Redson it will welcome any info on the net.

SOUND QUALITY

We can sort out sounds cool surf music, rock of the beginning of the sixties, country, Dlay small, good sound old school, pushing the volume was a little distortion is added to the m my price.
Not long Dlay forget U2

OVERALL OPINION

Bought yesterday in a swap for 35.00 euros, not a big investment, but effects of surf, rockabilly cool, waiting for the buget to buy better, but I think I'd keep.
It may sound like Chris Isaak, Dire Straits, The VENTURES ect inexpensively.
ECHO CHAMBER see Ausi MONDIVOX and BST in the notices.