MOVING COIL OR MOVING MAGNET SELECTION
Set the bottom switch to either Moving Coil (MC) or Moving
Magnet (MM) depending on your type of cartridge.
In the MC position, the maximum input resistance is 1000Ω without
additional components installed on the card. Two of the cards are
shipped with a resistor to bring the impedance down to 100Ω, which is
recommended for MC. Also in the MC position, an additional low
noise, 20 dB gain stage is inserted at the input.
In the MM position, the maximum input resistance is 47K Ω with-
out additional components installed on the card. This is the impedance
recommended for MM.
GAIN SELECTION
The middle switch marked LO GAIN, HI GAIN adjusts the output
stage gain by 10 dB. This switch is used to more closely match your
preferred volume setting on your line preamplifier.
When using modern very low output cartridges, it is recommended
to try setting this switch to HI GAIN.
If in doubt about a setting, try the HI GAIN position first. If you
find that you are having to reduce the volume on your line preamplifi-
er more than usual, then you might try the LO GAIN position to ensure
you are not overloading the input of your line preamplifier.
CARTRIDGE
SET UP
2-2
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