I stayed in a studio in January and it was a regular drip coffee maker. Wasn't planning on using the Joffrey's packets, but I forgot filters

I thought it was weird that the Joffrey's packet was a fixed amount of coffee grounds, but the instructions indicated to just add however much water for the number of cups you want. So a full pot would be very weak coffee indeed.
I found that 1 packet made 4 cups of perfect strength coffee (used bottled water as well). And the 50th anniversary blend was very good, but I don't know that they are stocking that one any more.