but the p1 pulls 7.6v, and the bp-50 kicks out 6v...i've heard of people running the p1 off 6v, but it seems to me your asking for problems.
not to be critical, but your DAP1 doesn't "pull" voltage. it draws a current at a certain operating voltage, which can vary.
most of the devices we use has an internal voltage regulator. depending on its design, the input voltage is almost certainly stepped up or stepped down and regulated.
for example, let's say your DAP1 regulates it's internal voltage supply at 4volts (a hypothetical value). if you supply 5V - 8V, it will still operate. supplying below 5V will probably not going to run the unit, and supplying over 8V will probably fry something in the power supply.
one thing i've learned in electronics is that there is never an exact value....only close approximations
to all of you who run DAP1 on 6V when the manual says 7.6V, +T!!
to all of you who run M1/D100 on 6V when the manual says 4.5V, +T!!
marc