1D 17+1/60 basic QRD

The popular design which is an extension 17+1 basic, better made ​​(wooden frame) with a choice of colors. Wide range of diffused frequency at small dimensions.

Diffusing range: 775 Hz – 5375 Hz
Dimensions (WxHxD): 60 cm x 60 cm x 11,5 cm
The maximum depth of the slot: 10 cm
Weight: 7 kg
Standard colors: birch.
Material: plywood, wood.