REAR PANEL FEATURES
IMPEDANCE SELECTOR SWITCH
Connect the amplifier to a speaker cabinet of the correct impedance:
o Make sure the impedance selector switch is switched to 8 Ohms when using an 8
Ohm bass speaker cabinet
o Make sure the impedance selector switch is switched to 4 Ohms when using either
one 4 Ohm bass speaker cabinet or two 8 Ohm cabinets.
IMPORTANT! The Terror Bass Series produces maximum output power into both 4 and 8
Ohm loads. For this reason, it is important a speaker cabinet(s) of suitable power handling is
connected to the amp. Failure to do so may cause damage to both the amp and cabinet(s).
DI OUTPUT
The DI output is set at professional line level for a padded mixing desk to a PA.
(An external DI box should still be taken from the actual bass guitar itself in most live
situations so that a signal can still be present in case of amplifier failure )
GROUND LIFT BUTTON
Please engage this button if ground hum becomes a problem when hooked up to external
equipment.
EFFECTS LOOP SEND AND RETURN JACK SOCKETS
The effects loop, send and return jack sockets are intended for use with outboard rack
equipment. Most pedals will be better suited placed before the input of the amplifier.
PRE-AMP VALVES
Both the TB500 and TB1000 contain 2 x 12AX7 (ECC83) valves in the pre-amp.
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