TOA Electronics 1000 Series - Manual (Page 5)

Rear Panel
AC Fuse Holder
When replacing, be sure to use the fuse of specified rating and type to avoid the possibility of fire.
Fuse rating
220-240V version 250V T80mA
120V version 250V 0.2A
AC Power Cord
Ground Screw Terminal
Hum can result from a ground loop to be formed when the E-1231 is connected to other equipment.
In such cases, cut the loop by removing a short piece, which should usually be mounted to the
terminal.
Output Screw Terminal
The output terminal is balanced and 600 ohms in output impedance. Place the supplied short piece
between E and C to convert to unbalanced type.
Input Screw Terminal
The input terminal is balanced and 10k ohms in input impedance. Place the supplied short piece
between E and C to convert to unbalanced type.
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