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• If connecting RELs to Mono Bloc amplifers we strongly advocate using (2) RELs, one for each amplifier.
Connect the black wire of each REL to the negative speaker terminal of the corresponding amplifier
channel; twist together the red and yellow wires of each REL separately and connect each pair to the
positive speaker terminal of the corresponding amplifier channel. In some instances, this will result in
exceptionally high gain (output) from the RELs. If it seems simply too high in gain, please remove either
the red or yellow wire from the twisted pair. This will reduce output by half and restore a natural dynamic.
If the amplifier is of balanced differential design, please follow the instructions in the section above
labeled Differential Connection.
• If connecting a single REL as a dedicated center channel sub, please consider connecting to the rear of the
speaker, rather than routing the REL High Level cable all the way back to the amplifier. Connect the black
wire of the REL to the negative center channel speaker terminal; twist together the red and yellow wires
and connect this pair to the positive center channel speaker terminal.
• If connecting a REL as a dedicated rear channel sub, connect the black wire of the REL to either the left
rear or right rear negative speaker terminal; connect the yellow wire to the left rear positive speaker
terminal; connect the red wire to the right rear positive speaker terminal. If the amplifier is of balanced
differential design, please follow the instructions in the section above labeled Differential Connection.
Low-level connection (via phono connectors) is always an option if high-level connection is not possible.
When connecting to the low-level inputs in a system in which high-level connection is not possible, such as
if using internally-amplified speakers, connect left and right phono cables between the LOW LEVEL INPUT
jacks of the REL and the left and right channel outputs of your preamplifier.
Mono Bloc
Mono Bloc Differential
Dedicated Center Channel
Dedicated Rear Channel
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