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SPA-1400/1400C Rack Mount Power Amplifier
Speakon
®
is a registered trademark of Neutrik USA
Installation and Operation:
Triamping: SPA-1400:
A pair of SPA-1400s can be used to power separate low, mid and high frequency cabinets, or a separate subwoofer and
biamped full range cabinet. In the example shown below, with a mono bridged subwoofer configuration, the BRIDGE MONO
SWITCH
(#17) of the low frequency amplifier must be pressed in; the MONO/STEREO SWITCHES (#16 & #17) of the mid/high
frequency amplifier must both be in the out position. Use channel 1 of the mid/high amp for the low/mid frequencies and
channel 2 for the highs. A separate external three-way electronic crossover (or a pair of two-way crossovers) must be added
between the mixer and the power amps.
Either the binding posts or the Speakon
®
jacks may be used to connect the amplifiers to the speakers. See the wiring dia-
grams below for the Speakon
®
jacks.