P-300D
Input connectors
The two XLR input connectors on each channel are unbalanced and are wired in parallel with each other
and with the two phone jacks that can accept tip/sleeve as well as a tip/ring/sleeve type of plug.
Accessory
To convert the XLR input connectors to balanced operation, remove the octal socket cover and insert the
matching transformer (PU-101T). Then loosen the screw and set the In/Out switch to "In" after removing
the L shaped metal fitting. You can prevent accidental change in switch position by attaching the metal
fitting to the OUT side. The same metal fitting is used in the High Pass Filter Switch and Mode Switch on
each channel to secure the desired switch position.
High Pass Filter Switch
A switchable 15Hz high pass filter (12dB/octave) prevents damage from subsonic frequencies.
Mono/Stereo Mode Switch
Place this switch in the STEREO position for dual amplifier use, and in the MONO position for single
amplifier use.
Output Connectors
Standard 5-way binding posts (3/4" spacing) accept banana plugs or direct wired connections. For mono
use, two red binding posts are used with the mode switch in the MONO position.
Ground Terminal Strip
Remove the strap to isolate chassis ground from signal ground. This may help prevent ground loop hums
caused by multiple ground paths.
AC Power Cord.
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Rear Panel
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