Cona Coffeemaker

£200.00
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DETAILS

The Cona coffee brewer became an instant worldwide design-classic from the start of production in 1962 for good practical reasons, that still apply today.

Its elegant design and innovative use of quality materials came with a multitude of clever technical solutions. The taste has always remained marvelous.

The system brews your coffee at the exact right temperature (slightly hotter than your everyday electric pour-on brewer: a positive difference in taste, but on first encounter watch out not to burn your tongue).

The Cona is a prime example of ‘form follows function’. The industrial design by Abram Games makes perfect use of the thrusting power of steam-pressure created by heat, followed by a reversal of the flow of the liquid as steam cools down to ambient temperature in the lower bowl.

This cooling down results in a vacuum within seconds after you have snuffed the flame of the heat source.

Now please notice on the pictures, that the upper bowl has a hollow stem and a rubber seal to make an airtight connection to the lower bowl.

Once the heated water starts to produce steam, this pushes the water from the lower bowl upward through this stem into the upper bowl, that acts as a temporary reservoir, in which you added your dry coffee grounds.

When no more water rises up, you may let it brew for a minute or so, then snuff the flame of the heat source and almost instantly the extract will be gentle sucked past the filter back into the lower bowl.

This results in a perfect extract of all tasteful flavours of the coarse ground coffee beans. Only glass parts (of the ‘D-Genius’ model) come into contact with the brew.

As none of these components pick up any taste, next time you may brew any other extract in your Cona without any distasteful reminder of your previous brew. This makes it also perfect for the preparation of tea, gluhwein or other extracts.

For professional quality assesment of coffee, there is no better gear with a higher degree of fidelity.

The Cona coffee brewer became an instant worldwide design-classic from the start of production in 1962 for good practical reasons, that still apply today.

Its elegant design and innovative use of quality materials came with a multitude of clever technical solutions. The taste has always remained marvelous.

The system brews your coffee at the exact right temperature (slightly hotter than your everyday electric pour-on brewer: a positive difference in taste, but on first encounter watch out not to ‘burn’ your tongue).

The Cona is a prime example of ‘form follows function’. The industrial design by Abram Games makes perfect use of the thrusting power of steam-pressure created by heat, followed by a reversal of the flow of the liquid as steam cools down to ambient temperature in the lower bowl.

What makes the Cona so perfect for coffee devotees? Here is our answer!

The main characteristics of the CONA Size ‘D-Genius’ Coffee Maker:

  • Patented “All-Glass” filter design of solid conical (“fishing bob”) shaped glass (Size D-Genius All-Glass).
  • Works flawlessly without any use of filter paper or cloth
  • Elegant portable design with technical-scientific flair.
  • Heating phase generates steam to push water up to mix with coarse grinded coffee beans .
  • Cooling down phase generates vacuum to suck extract past the filter back into lower bowl.
  • Coffee is prepared at optimal temperature
  • Ready to pour in 6 minutes (use pre-heated water).
  • Heat source works on common fire/cleaning spirit (other names: denatured, methylated alcohol).
  • Made in Europe with durable materials and no parts that wear.
  • Fire-proof laboratory quality borosilicate glass elegantly formed.
  • Solid metal stand with chromium and high-gloss black accents.
  • Aperture in stand to place upper bowl into rest-position once you are ready to pour.
  • Solid bakelite black high-gloss handle has pleasant grip for both right- and left-handed users.
  • Available in two variants: ‘D-Genius All-Glass’ (pragmatic choice for home users) and ‘D-Genius Precision-Weave’ (alternatively equipped with our 30 micron ‘Precision-Weave’ metal sieve filter).
  • One size "D" = 1.14 liter = 38.5 oz. Serves 8 large cups or less.

'D-Genius All-Glass' = Cona 'All-Glass' filter rod + UFO glass burner with 'Genius' stainless steel wick. The pragmatic choice for domestic use.

'D-Genius Precision Weave' = Cona 'Precision-Weave metal filter' + UFO-burner with 'Genius' stainless steel wick. As the metal filter screen is firmly held into position by a spring, it allow the user to stir.

Put the 'Precision Metal Weave filter' in a dishwasher at least once every 30 working cycles to remove fatty residue. Or run a cleaning cycle with nothing but hot water and an espresso-machine-tablet or 1/4 of a dishwasher-detergent-tablet placed in the funnel.

Brewing Instructions

  • Fill the spirit lamp with denatured alcohol. This is commonly sold in supermarkets, hardware stores, paint stores, camp stores, marine supply stores, and gourmet food stores. It is also called "camp stove alcohol" in the USA. In Western Europe the term is “methylated spirit” or “cleaning spirit” or “denatured alcohol”. (Do not use other burner fuels such as lamp oil or gelatinous chaffing dish fuel).
  • Place the wick and wickholder in place. Allow some time for the wick to absorb the alcohol fuel.
  • Put the spirit lamp in place and the funnel (top glass globe) in its aperture on the stand. Fill the bowl (bottom globe with handle) with hot or boiling water upto top of white letters “CONA” (the optimal level; max. level is 1.25 cm = 1/2 inch) from the base of the neck. Make sure the outside of the bowl is dry. (Note: You can start with cold water but the process will take much longer.)
  • Place the glass drainer (the filter) into the funnel.
  • Place the funnel into the bowl and snug the rubber gasket into the bowl neck with a small twist to ensure an air-tight fit.
  • Put the required amount of even MEDIUM GROUND coffee into the funnel, approximately 50 grams per litre (1 oz per pint). Standard SCAA brewing ratio equals 10 grams per 250 ml (7.25 grams per 6 oz) of water.
  • Light up!
  • When all the water, with the exception of a small amount that must remain in the bowl, has been drawn into the top, wait 45 seconds to 1 minute for the coffee to infuse. Some people like to give it a stir with a spoon. If so, don't bump and dislodge the drainer / filter.
  • Place the snuffer on the lamp.
  • When all the coffee has drained into the bowl, remove the funnel with a slight twist. Place it in the aperture on the stand, serve up your wonderful coffee.

Cona brewers were previously available in 2 sizes, C and D, but are now only available in size D.

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