comparison between the products

 

  Maestro Maestro Plus Virtuoso Virtuoso Preciso Vario
Burr 40 mm Conical Burr 40 mm Conical Burr 40 mm commercial grade conical burr 40 mm commercial grade conical burr 54mm Ceramic flat burrs
Range of Grind Espresso to Press pot Espresso to Press Pot Espresso to Press Pot Espresso to Press Pot 200 to 1100 microns
Steps of adjustment 40 steps 40 steps 40 Steps 440 10 macro x 23 micro = 230
Grind adjustment can be recalibrated No Yes Yes Yes Yes
User interface On/off Timer Timer Timer Digital Dosing (user programmable)
Pulse button No Yes Yes Yes Yes
Power Rating (North America) 110 V AC 50/60 Hz. 1.0 Amp. 110 V AC 50/60 Hz. 1.0 Amp. 110 V AC 50/60 Hz. 1.0 Amp. 110 V AC 50/60 Hz. 1.0 Amp. 110 V AC 50/60 Hz. 1.4 Amp.
Power Rating (Other) 230 V AC 50/60 Hz. .5 Amp 230 V AC 50/60 Hz. .5 Amp 230 V AC 50/60 Hz. .5 Amp 230 V AC 50/60 Hz. .5 Amp 230V AC 50/60 Hz. .8 Amp
Burr rotation speed 450 rpm (adjustable /- 10%) 450 rpm (adjustable /- 10%) 450 rpm (adjustable /- 10%) 450 rmp (adjustable 10%) 1200 rpm
Speed of grind .8 to 1.1 g/sec .8 to 1.1 g/sec. .8 to 1.1 g/sec. .8 to 1.1 g/sec. 1.6 to 2.2 g/sec
Bean Hopper Capacity 8 oz (250 gr.) 8 oz (250 gr.) 8 oz (250 gr.) 8 oz. (250 gr.) 8oz. (250 gr.)
Grounds Bin Capacity 5 oz. 5 oz. 5 oz 5 oz. 8 oz
Weight 4 lbs (1.8 kg) 7 lbs (3.1 kg) 8 lbs (3.6 kg) 8 lbs (3.6 kg) 9 lbs (4.1 kg)
Dimension WxHxD cm 12x32x16 cm 12x35x16 cm 12x35x16 cm 12x35x16 cm 13 x 36 x 18 cm
Color Black Black and brushed nickel Black and brushed nickel Black and brushed nickel Black and brushed nickel
Metal Enclosure No No Partial Partial Partial
Metal Base No Yes Yes Yes Yes
Warranty 1 year 1 year 1 year 1Year 1 year
Safety Listing UL/CSA/CE/EK UL/CSA/CE/EK UL/CSA/CE/EK UL/CSA/CE/EK UL/CSA/CE/EK/JET /VDE