Friday, September 01, 2006

coffee grinders : Coffee Grinder Buying Guide - LowSpeed Gear Reduction

LowSpeed Gear Reduction
The Gear reduction grinders are a whole category unto themselves and are one step up from the high speed grinders. They include the Solis Maestro, Maestro Plus and Gaggia MDF. These low speed gear reduction grinders are more attractive than the high speed grinders because they are quieter, cause less static charge, impart less heat to the coffee and are less likely to clog.


The Solis Maestro is the replacement to the Mulino and Solis has created a real beauty. This coffee grinder is very flexible and is the quietest in this class at 77db. It is designed with a timer switch like the Mulino and has an added push & hold button for grinding directly into the portafilter. It has enough clearance to accept a full sized commercial portafilter, but not enough room to place a gold tone drip coffee filter. This is a conical burr grinder that should hold up for years of service. The burrs are easy to clean and like the Mulino the outer burr is removable without tools. The hopper can hold half a pound of whole beans and the ground coffee receptacle has a 6.5 ounce capacity. Overall, this is an excellent grinder filled with plenty of features. The motor is not as beefy as the next grinders we talk about - Gaggia MDF and the Innova grinders - so if you plan on grinding pounds of coffee at a time I would read on.

The Gaggia MDF is the top-of-line Gaggia dosing grinder that has long legacy of excellence. I have talked to customers that have had trouble free service for over 10 years. The smoky plastic Bean hopper will hold 10 ounces of whole bean and the doser up to 8 ounces. It has a typical rocker switch that can be left on for continuous operation. The MDF has 34 grind settings that will accommodate any espresso machine as well as grind coarse enough for drip machine or even french press. Turn the bean hopper to change the grind setting, it is an index system that will give repeatable results without having to recalibrate. The gear reduction system provides plenty of torque and will not bog down. Experience has shown that it generates very little static as well. The doser will accommodate any commercial style portafilter but will not work well with the pressurized portafilters from Saeco or La Pavoni - they are too tall and hit the forks under the doser. The flat plate style burrs are 50 mm making them the largest of the group. They are adjustable for calibration purposes but that should not be necessary. The doser is not adjustable like the prosumer models by Mazzer and Pasquini, but at a fraction of the cost it is a grinder to consider for any home environment.

Want to compare them all? Check out the Compare-O-Matic page.

by Todd Salzman

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