Crate Amplifiers GTX3500H User Manual

Page 6

28 29

The Rear Panel:

28. LINE OUT: When using an external effects processor, connect this jack to the input of the
effect by means of a shielded signal cable. This jack also doubles as a source for a post-EQ,
preamp signal to send your signal to a mixing board, recorder, powered monitor or external
amplifier.

29. LINE IN: When using an external effects processor, connect this jack to the output of the
effect by means of a shielded signal cable. This jack also doubles as a direct connection to the
power amp, bypassing the input and preamp stages. This is useful for “slaving” a pair of ampli-
fiers together.

30. SPEAKERS: Use these jacks to connect the amplifier to your speaker cabinet(s) using
speaker cables with mono 1/4” plugs. These jacks are wired in parallel. Make sure that the com-
bined impedance of your speakers is equal to or greater than 2 ohms! Use the chart below to
help determine parallel loads. If in doubt, ask your dealer.

CAB IMP

# CABS TOTAL IMP

CAB IMP

# CABS TOTAL IMP

4 ohms

2 ohms

16 ohms

8 ohms

4 ohms

16 ohms

4 ohms

8 ohms

2 ohms

16 ohms

2 ohms

31. FOOTSWITCH: Use this jack to connect the footswitch cable (5-conductor midi cable) to the
four-button footswitch (supplied). This allows you to remotely switch between the channels, set
tap tempos, save new presets, and access a second set of DSP presets. (See page 9 for addi-
tional information.)

32. FUSE: The fuse protects the amplifier from damages caused by a faulty AC power source and/or
other problems. If the fuse fails, replace it ONLY with the same size and type. If fuses continue to fail,
check the AC source – if the source is okay, contact your Crate dealer for service information.

33. AC LINE CORD (not shown): This grounded power cord is to be plugged into a grounded power
outlet, wired to current electrical codes and compatible with the voltage, power, and frequency require-
ments stated on the rear panel. Do not attempt to defeat the safety ground connection.