Help Please: I have some questions about my Ambex YM-2


New member
Jan 19, 2020
I purchased a Ambex YM-2 roaster. I am roasting the heck out of beans, and having a blast doing so, and I actually am selling the occasional pound or two. What I am looking for is a conversation with somebody who understands the theory behind my roaster. I have questions: what is the path of the airflow; what is that stupid switch on my control panel that says manual but doesn't seen to do squat; can I run the cooling table airflow at the same time I roast; if I shut down the roaster immediately after I dump, will it cause the drum to warp; at what ambient humidity can a person bend a cracker. Before anyone gets too excited, I do not want to buy anything, I am not interested in any seminars, and I don't need any chinese viagra.
Thanks, Sam


Well-known member
May 11, 2014
Kansas City
Never shut down your roaster without cool down... I let my roaster cool down to under 80-90f. I don't know anything about that particular model but you can google search air flow of drum roaster and most roasters have similar airflow design.


New member
Jan 19, 2020
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Thanks for the reply! If you are in the business, I would like to pick your brain now and then. In the meantime, can I offer you a sample of my coffee (free of course)? I have no agenda, I just believe that life is too short to drink crap coffee; I hand out samples to anyone brave enough to try it so I can get feedback. I would be glad to mail you a bag, just let me know.


Super Moderator
Staff member
Aug 14, 2003
Boca Raton
I haven't used an Ambex 2.5 in years. I could be wrong but I believe your airflow goes either through the drum or the cooler....same fan for both. I would call Amir the owner if Ambex. His number is 727-251-9262. I am pretty sure your chaff collector is under the cooling bin. If it is you want to always have a spray bottle with water. The chaff collector has a tendency to have small chaff fires. Do not get me wrong. I love the Ambex roasters...inexpensive and work horses. If you have any more specific questions hit me up @ . Don't worry I have nothing for sale ;)


New member
Dec 21, 2020
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