"It
is not really appropriate to break down a palmer turntable to its
specification in as much as they are all holistic designs. for instance,
I would suggest that the drive system is not simply an appropriate
motor, but the motor, housing, belt, pulley, platter, plinth, mat, main
bearing etc as all these items have to combine harmoniously to realize
the results I am looking for.
The palmer 2.5 is the latest turntable
from palmer audio.
I
use AC synchronous motors which may be somewhat unfashionable these
days AC motors are used to accurately power clocks and medical
equipment, surely a fine indication that they are very good timekeepers.
They rely solely upon the frequency that they are provided with and
cannot deviate from that.
A
DC motor needs a feedback loop to tell it to either go faster or slow
down. However, it can only be told to do this once the error has
occurred and so may be in a constant state of change however small
We
supply only the amount of power required to maintain the constant
stable rotation of the high mass platter. Anything more than this is
simply "noise"
Like a fine watch
movement, it is a delicate balance that provides a state of harmony between the drag and inertia.
Starting
a palmer turntable requires you to interact with it, much like winding a
mechanical watch It soon becomes second nature to spin the platter with
just the right amount of force so that it is running to speed
instantly.
So
then, an Holistic approach to turntable design, every component is
considered in how interacts with its neighbor so that the sum of the
parts is exceeded by the whole."--Jon Palmer