Laney Iommi TI15-112 Operating Instructions Manual page 13

FX RETURN: 1/4" mono jack socket for the connection of the output of an external FX unit. This can also be used as a slave
in for the power amp. As the FX Loop is an insert type, this will mute the preamp signal.
FX LOOP SWITCH: Selects the FX Loop mode of operation:
Bypass - Removes the FX Loop from the signal path.
0 dBu - For connection of FX units with a 0dBu nominal output level.
-10dBu - For connection of FX units with a -10dBu nominal output level. As this is intended for devices with a lower
output level, this switch increases the gain of the FX Loop by 10dB.
FX SEND: 1/4" mono jack socket for connection to the input of an external FX unit. This can also be used as a line out for
connection to another power amp slave input or for recording.
FOOTSWITCH SOCKET: Use a mono tip-switched footswitch (such as the Laney FS1) to enable the Pre-Boost circuit.
Note: The Pre-Boost switch on the front panel must be set to O, in order to use the footswitch.
LOUDSPEAKER CONNECTIONS Two 1/4" mono jack sockets are provided for the connection of either an 8 Ohm or
16 Ohm loudspeaker cabinet. Do not use more than one socket at a time. When using the internal loudspeaker, ensure it is
connected to the 8 Ohm socket. Mismatching your speaker impedance will reduce the performance of your amplifier, and in
extreme cases may damage the unit. Never operate any tube amplifier without a load connected: serious irreparable
damage may occur.
REAR PANEL CONTROLS