独孤魔剑 独孤魔剑
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有人对比过 53mm粉碗和58mm粉碗吗? 今天在coffeegeek里看到一篇帖子,说53mm的口感更醇厚,说58mm味道水。53mm的可以减少布粉不均匀带来的峡道。吧里有人亲自对比过吗? 附上今天读到的原文。 About 53 or 58 mm? I don't know if you have read my post in another topic, but here is my experience with these sizes, I copied my post: Imagine, 8g of coffee "stapled" in a 58mm, more shallow filter. And now imagine the same 8g of coffee in a 53mm (less surface) and deeper filter. What happens is, the same amount of water running to both filters, for the same time, touching the same amount of coffee - BUT: watch it in single drops - they are all in contact with more coffee grounds on their way down, than in a flater filter. Sounds like peanuts, I know - but what made me believe was the reality: We had a single group La Pavoni and a single group La San Marco. Both were correctly maintenanced, had the same pressure, same water temperature, we used the same coffee, grounded at once ...the only difference was the design oof the portaflter. The difference in taste was bigger than I expected!!!!! With the LSM the coffee tasted fuller, richer, soft and all the characteristics of this coffee were in the liquid - I felt it in my whole mouth. With the La PAvoni - the coffee consistence was a bit more watery, not so rich, and the characteritic notes of the coffee was only felt in the back of my mouth, the water tasted more metalic.... It's like you compare a fresh pressed orange juice (richer) with on made from cncentrate (watered) I don't want to make the Pavoni a bad machine - not at all - it very good, too, but I like my coffee more rich, fullbodied. And I think this worked that way, because the water touched MORE COFFEE GROUNDS on the way down in the same time. Therefore I will go with a smaller, but deeper portafilter in the future. Someone asked me, if it's so good, why does not every espresso machine company work with that? Well, it's patented, and everyone prefers something else. Like expobar has all their boilers and pipes of pure copper, the other ones have chromium-copper. La Marzocco loves their dual boilers (what makes sense in the US were a lot more of water and steam is needed - compared to Italy) and another company swears that their teflon pipes are best for preventing calcium... whatever, if you ever have the chance to compare a 53 mm with a 58mm - do it - it could be a positive difference for you, too. I have well trained taste buds, I did feel it. However - this is just my personal opinion, but I swear even with sniffles you can taste a difference ;-)
咖啡器具选择之磨豆机(原创) 磨豆机 选择磨豆机应该从以下几个方面考虑 一、刀盘 按刀盘划分,磨豆机可以分为 锥刀、平刀、鬼齿(砍豆机不算磨豆机)。一般来讲 锥刀和平刀都各有好处。平刀基本使用在高端电磨上,锥刀使用于手磨和部分高端电磨。鬼齿国外少见,因为鬼齿在研磨的时候挤压豆子,容易发热,国外一般不用。国内鬼齿一般用于单品。个人不推荐鬼齿。 1.刀盘直径。在磨豆机的世界里一直有一句话:刀盘的直径就是真理,可见直径的重要性。一般来讲,直径越大的磨豆机就越贵、越快、研磨的越均匀,调节也越可控,所以整体性能也越好。 2、刀盘的材质。刀盘的材质有 陶瓷、不锈钢和合金钢(镀钛或者其他什么金属)。不好说哪个更好。陶瓷的耐磨,可以使用更久,但是在豆子里混入石子的情况下会坏掉,另外陶瓷刀不容易散热,这也是为啥一般商用磨豆机不用陶瓷刀。不锈钢的比较常见,比较皮实,不容易坏,价格也低,但是寿命不如陶瓷和合金钢。合金钢比较高级,耐磨好散热好,但是价格高。 二、马达 这主要是看马达功率。功率越高越好。功率越高,研磨速度越快。高功率的马达也是商用机的标志。一般家用350W上下,500以上就算是商用了,如果功率在100上下,那么这基本上是一款低端产品。 三、静电结块的处理 好的磨豆机应该可以将静电的影响降到最低,使咖啡粉均匀地落在粉碗中,为后续的压粉做准备。 四、自动称重或者定时功能 一般来讲按重量磨豆较为少见,定时较为常见。按照重量磨豆的机器当然更加容易使用,更精准,更贵。这里应该是baratza sette270wi做的最好。 五、残粉量 残粉量就是残留在咖啡机刀盘等缝隙中的老咖啡粉的量。残粉多会影响咖啡的味道。餐粉量取决于刀盘和接粉盘的间隙大小和通道长短、形状等。餐粉量越小意味着你每次开机浪费的咖啡就越少。餐粉量小对于家用者很重要,对商用者则没那么重要。好的磨豆机会将餐粉量控制到0.5克左右比如baratza系列,当然也有咖啡机几乎不控制残粉,比如mazzer 的大部分机型(某些机型的餐粉量可以达到恐怖的10g)。 六、噪音 好的磨豆机应该将噪音控制在合理范围内。这需要制造商合理布置刀盘、马达和出风口的位置,并适当使用隔音材料。但是噪音控制和马达功率往往难以兼顾,高功率的马达基本上都会有更大的噪音。但是低功率马达磨豆机也未必有小噪音。有早上起来做咖啡又不想吵醒家里人的用户一定要考虑这个方面。手磨的噪音普遍较低,刀盘包裹性好的重型商用电磨的噪音一般也较低。噪音的高低和磨豆机的价格直接关联。低噪音的电磨没有便宜的,但是贵的磨豆机未必低噪音,这个必须实地考察。 七、调节方式 好的调节结构应该使磨豆机易于调节、不跑度,同时有一定阻尼,手感佳。举几个例子。mazzer mini看成调节结构的反面典型。第一调节的螺丝滑道和粉仓直接相连,咖啡粉会进入并堵死螺丝滑道,导致难以调节;第二每次拆机清理刀盘(这个是定期的必做工作,因为咖啡粉是有油的,会粘在刀盘上,长时间不清理会破坏磨粉的口感)会丢失研磨粗细的设置,这样就必须重新调节。那会浪费很多时间和豆子。eureka系列的调节机制则是正面典型,调节旋钮调节下刀盘和整个马达的上下,拆开清理不会丢失研磨粗细的设置,而且咖啡粉不会进入调节机构,所以其手感始终不错。 这里还要说说无极调节。无极理论上可以有无数个调节等级,但是如果调节机制不好还不如有级的调节。这里ECM的磨豆机做的就很好,使用蜗杆调节,在无极的基础上还能让使用者轻松微调。 八、咖啡粉的一致性。 磨豆机磨出的咖啡粉应该是具有连续性和一致性的,其咖啡颗粒的尺寸应该集中在某一个范围,这样才能有可控性、可玩性。所以你永远不要买砍豆机,因为砍豆机毫无一致性可言。 九、咖啡冲煮方式的偏重 某些磨豆机偏重于espresso,某些则偏重法压手冲等。这是一个需要考虑的点。某些磨豆机声称能应对从土耳其到法压的研磨,这样机器有,但是但部分这么说的机器如果价格不在8000以上,往往是夸大其词,啥也做不好。咖啡冲煮方式的偏重会影响制造商在上述几个方面进行取舍。比如全功能咖啡机的调节机制会注重调节的速度,而舍弃调节的细致,比如美国的grindmaster商用机,它可以快速的从极细变成极粗,但是调节的等级太少,无法再某一个较小的范围做精细的调节。 十、做工 也就是是否使用不锈钢等金属作为外壳等。金属外壳永远比塑料外壳的贵。高级的磨豆机几乎也是不可能使用塑料外壳的。如果你觉得挑选磨豆机很麻烦,你的捷径就是买一个金属外壳的机器。 个人浅薄之见,仅做交流之用。
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