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setting the balance
setting the 20 Hz filter
setting the resistive load
The balance
setting is unique to the phono preamplifier, and
(Bal)
should be used to compensate for the small imbalances found in most
cartridges. The best way to do this is to play a monophonic recording
in normal stereo, centering the image between your speakers with the
balance control. Once you know the correct balance offset for a par-
ticular cartridge, simply enter this number in that cartridge's phono
setup, and the change will be made for you, automatically, whenever
you listen to that cartridge. Normal balance will be restored when you
switch away from the phono cartridge. Separate balance settings may
be saved for
Phono
1
is a 20 Hz high pass filter, sometimes called either an "infra-
20Hz HPF
sonic" or a "subsonic" filter. It is designed to reduce turntable rumble
and the cartridge/arm resonances which can often be stimulated by
even small warps in the record as it turns. You may either turn it on or
off, depending on whether it seems needed for a particular cartridge/
arm combination.
One way to determine this is to play a quiet passage of a recording at a
relatively high level with your speaker grilles off. Watch your woofers. If
they are moving in and out noticeably without there being a clearly
correlated low bass sound, you should probably engage the 20Hz HPF.
Otherwise, you are wasting both amplifier power and woofer excursion
on something you cannot hear directly; the indirect effect of modulat-
ing the woofer's output with non-musical, sub-20 Hz information can
only be deleterious to the performance of the system.
refers to the resistive load the phono preamplifier presents to
R Load
the cartridge. (Of course, any resistance in the phono cables is beyond the
preamp's control and would be added to this figure.) The optimal value is
normally
for moving magnet (MM) cartridges, and can range
47k
from about
to
3
47k
Specifically, we include precision resistor values of 3.3 , 5.0 , 7.7 ,
10 , 33 , 50 , 77 , 100 , 330 , and 47k , plus a set of gold-plated
terminals that may be used for accessing some "other," custom value of
your choice. You would do so by placing a precision resistor across
these terminals located inside each of the phono modules, tightening
the screws down, and then selecting
The best choice for resistive loading is whatever sounds the best with
your MC cartridge—you cannot damage a cartridge by playing at the
"wrong" resistance. With the Nº32, for the first time, you can make this
determination in real time, from your listening position, using the re-
mote control to access this menu item.
and for
.
Phono
2
for moving coils (MC).
in the
other
menu item.
R Load
23
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