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7.2 Connecting speakers
Speaker connections are made via the two Neutrik® NL4FC Speakon connectors. The Speakon
onnector is designed for high power speaker connections. It assures the correct polarity, it locks in
nnel A and B outputs, so it’s useful for bridging and bi-amp
age 7
c
place and prevents from shock hazard.
They are wired in the following manner:
The right jack, Channel A, has both cha
). The left Speakon, Channel B, carries only the
operation (see bridged mono operation on p
channel B output.
hannel A and B into two
eparate Speakons.
C
s
Channel A and B into one
peakon (Stereo and Bi-S
amp)
Bridged mono
Never connect either output terminal to ground or to some other output or input terminal
(see warnings in chapter 1)
ion to speaker polarity; loudspeakers connected out of polarity
ber that the speaker cable
the amplifier with any of
e conductor portion of the speaker wire exposed.
For normal two-channel operation, connect each speaker load across the output’s positive and
negative terminals. Pay attent
degrade sound quality and may be damaged as a consequence.
Keep the speaker cable wires as short as possible and use a good quality stranded speaker cable.
Do not use shielded wire, such as microphone or guitar cable. Remem
robs the power of the amplifiers in two ways:
Increases the load impedance and introduces resistive power losses.
WARNING: To prevent from electric shock, do not operate
th
8 OPERATION
8.1 Operation precautions
h is set to “off” before connecting any input or output or
operating the switches on rear panel. See pages 8
• Make sure that the power switc
about installation.
• ne printed on the
rear panel of the amplifier. See pages 9
Make sure that the AC mains voltage is correct and the same as the o
, about operating voltage and power consumption.
•
limiter switch are in the correct position. See page 7
Make sure that the switches on the rear panel for operation modes, gain-switch and clip-
about operation modes and page 13
• idea to turn down the gain controls during power-up, to prevent speaker
damage in case a high signal is present at the input.
about clip limiters.
It is always a good
Tannoy Limited
TA 1400 User Manual 11-06-02
12