Seems well within normal to me, actually the pressure is a bit high.  I'd shoot 
for 9 bar with blind PF, 8.5 bar with coffee.  Adjust your grind to achieve the 
timing you want--everything else is fine.
b

On Sep 04, 2011, at 10:11 AM, Ton <[email protected]> wrote:

Since a week I own a Brewtus IV with vibration pump and which I use with the 
water reservoir (not plumbed).
It strikes me that after pulling the lever up, it takes around 15 seconds 
before  the first drops of coffee appear at the spouts of the pf. Is this 
normal and not too long ?
I checked the pressure with a blind filter and it is 11 bar. The full pressure 
of 11 bar, with the blind filter in place, is achieved after 12 seconds.
If of importance: Normally I pull double shots with a LM double baskets which I 
dose with around 19 grams (weighed).
I bought the Brewtus in Holland and the shop has already offered to check if 
something is wrong, but before going there I would like to know your opinion.
Thanks in advance.


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