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7: Audio Input "Phoenix" Connections
GND
+
-
Speaker Output Connections
8:
Additionally Channel A Speakon connector carries Channel B output on
Pins +2 & -2 to allow easy bi-amping or bridged operation.
Ti-4250: Channel C's Speakon carries both channel C and channel D on +1 and
–1 (Ch.C) and +2, -2 (Ch. D).
Safety notes about the speaker output connections
There must be no shared connections between channels.
As the currents involved are very high, the speaker cables should conform
to the following minimum requirements, otherwise the losses will cause
the cables to get hot and audio power will be reduced:
T2000, 16A:
Do not connect the inputs/outputs to any other voltage source such as a
battery, mains source or power supply, regardless of whether the
amplifier is turned on or off.
Do not run the output of any amplifier channel back into another
channel's input and do not parallel or series-connect an amplifier output
with any other amplifier output.
Page 20
GND +
-
T3500, 20A - into 4 ohm speaker loads
The "Phoenix" audio connectors are
simply wired in parallel with the XLR
connectors, and should be
connected as follows, (left to right):
PIN1: Screen
PIN2: Hot (signal +)
PIN3: Cold (signal -)
The speaker outputs are via
Neutrik Speakon connectors.
2 pole (NL2FC) or 4 pole
(NL4FC) connectors can be
used.
Terminations are as follows :-
PIN1+: HOT
PIN1-: COLD
Amplifier Operator's Manual
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