Compak F8 Fresh Espresso Grinder


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  • – Massive flat burrs
  • – Programmable dosing
  • – Digital readout
  • – Large hopper

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Professionally designed and structured for small to mid-paced cafes, the Compak F8 Fresh will give baristas the ideal grind they need to pour their shots in a snap. The F8 includes a number of electronic features to personalize your grind and password capability to guarantee your settings are not tweaked. The flat burr's movements can be viewed where they are set on the F8's digital screen.

Available in Black or Polished Aluminum

Features and Functionality

  • Powerful Motor: Includes a 1/2 hp motor with gear reduction system.
  • Consistent Grind: Its 83mm flat steel burrs will grind your beans consistently and in a flash.
  • Auto-Stop: Grinder stops automatically when doser is out of beans, energy efficient and safe.
  • Hopper: Interchangeable hoppers are easy to use, the tall hopper holds 3 pounds or short hopper holds 1 pound.
  • Grinder Modes:Select how you'd like to grind your beans automatically, pre-selection or manually.
  • Cool as a Cucumber - Unlike other grinders, the Compak F8 transfers the least amount of heat to your coffee beans after they grind.
  • Grind it Up! - Quick and easy to operate, you'll have the ability to program and choose a single, double or manually dose with your choice of how coarse or fine the grind.
  • Bigger than Life - With power comes a big personality, and footprint. As commercial grinders go, this is not a space saver.
How Does it Compare?

Please Note: Compak recently changed the model number from K8 to F8. Everything else remains the same.

Suitable Applications Espresso


Model Number F8
Manufacturer Compak
Width 8.50 inches
Depth 14.50 inches
Height 26.50 inches
Watts 860 watts
Volts 110 volts
Bean Hopper Capacity 1 or 3 pounds
Grinder Style Burr - Flat Steel
Burr Diameter 83mm


Browse 2 questions and 1 answer
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How tall with short hopper?
A shopper on Nov 29, 2015
Best Answer: With short hopper 20 inches.
Reply · Report · Samantha BStaff on Nov 29, 2015
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How tall is the F8 grinder with the short hopper and with no hopper at all?
A shopper on Oct 29, 2015
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Exceptional Coffee Shop PerformanceReview by Chris
*This review is in follow-up to the 9/18/12 review by Chris)*

Usage: 1 Year

As of the date of this review, I have owned and used my K8 Fresh for over a year now. The first months were weekend usage for training and development; the most recent months have been daily coffee shop usage. All of the usage has been for regular Espresso paired with a Nuova Simonelli Aurelia.

Grind: Excellent 5/5

The K8 has consistently delivered top notch ground coffee for our Aurelia. The coffee is ground straight into the portafilter free of clumps of any kind. In fact, I have never had clumpy coffee from this grinder. The espresso always has rich, luxurious crema which is a showcase to the K8's standards of quality.

Changing the grind is extremely precise with step-less adjustment. The adjustment knob turns a worm-gear that in turn changes the grind. This setup allows the end user to make even tiny changes easily. Relative grind level is also displayed on the screen while changes are being made.

One note, Compak states replacement of burrs is necessary at 880 lbs of coffee. I highly recommend honoring that request. At that usage (almost to the pound), we saw a decrease in consistency of shots. Burrs for this grinder are relatively cheap though at about $60.

Dosing: Excellent 5/5

Waste is almost zero with the K8. The coffee falls almost perfectly into the center of the portafilter. Grind retention is also almost zero.

The electronic timing makes consistency spectacular. Dosing can be adjusted in 0.1 sec intervals. There are also two options for dose, single and double.

Many sizes of portafilter can be accommodated thanks to the adjustable forks. This allows for hands-free grinding providing the barista with a few more valuable seconds.

Durability/Construction: Excellent 5/5

Our K8 has had no service issues with minimal upkeep on the end user side. Aside from regular cleaning and replacing the burrs (at the recommended interval), the grinder has required no additional service. All of the buttons still feel snappy, and the grinder is no worse for wear other than daily use cosmetics.

Construction is definitely solid. This grinder is a tank, but that is probably due to the extensive usage of metal parts. It is a bit tall for some people, but in a coffee shop environment that is no problem. Even our shortest baristas (low 5 foot range) can still fill the hopper while the grinder is on the counter, though for them it is a stretch.


This grinder will consistently perform in the most demanding environment. I would (and probably will) buy this grinder again. Compak has worked extremely hard to produce a product that is not only amazing at grinding espresso but also is very user friendly. Although their name is not as familiar, I think they deliver the best product on the market. (Posted on 11/19/2013)
Great addition for any coffee shopReview by Chris
I purchased this grinder to use as my primary espresso grinder in my coffee shop. Between the stepless adjustment and the digital timer, this grinder is loaded with awesome features that will ensure you love it. Overall, it is very polished and well thought out. I honestly can't think of a single negative comment so far. I plan to use this for regular espresso until I can upgrade to the K10 fresh in which case this will make a more than adequate decaf grinder. I definitely plan to buy Compak in the future. (Posted on 9/18/2012)

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Warranty Information

What it Covers: Compak grinders

Length: 1 Year

Who Supports the Warranty: Seattle Coffee Gear, read more about Seattle Coffee Gear's Warranty coverage

Warranty Contact Information: 866-372-4734 or email at

Eligible for SCG Extended Warranty? No

Can SCG Repair? Yes, read more about our repair services

Care and Maintenance

For detailed care instructions, please refer to your grinder's user manual. We recommend that you also incorporate the following into your cleaning routine:

  • Clean burrs on a weekly to bi-weekly basis, either with a cleaning brush or a burr grinder-specific cleaning product, such as Grindz.
  • Remove and hand wash bean hopper and lid with warm soap and water as needed


How to Dial in a Grinder


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