Operation Manual

REL Acoustics ‘ST III’ User Manual

To connect to MONO BLOCK power amplifiers using the high level

Neutrik UNBALANCED input

To engage the Neutrik Speakon plug, insert fully into socket and rotate clockwise until locked.

To remove the Neutrik Speakon plug, grip body of plug, place thumb on chrome lever, move

lever backwards rotate plug anti-clockwise (counter-clockwise in the US) quarter turn and

withdraw.

Supplied Neutrik Speakon High level Interconnect

RED

HI LEVEL input Release lever YELLOW + - + -

L R

MONO MONO

BLACK BLOCK BLOCK

SPK OUT SPK OUT

PRE AMPLIFIER

Ground

(see below)

High Level connections should be made to the same binding posts as the main

speakers

Connect as shown above. Connect RED to right monoblock speaker positive (red) terminal,

connect YELLOW to left monoblock speaker positive (red) terminal. The BLACK should be

connected to ground at the pre amplifier. If the pre amplifier does not have a dedicated

ground terminal, then use one of the chassis screws at the rear of the pre amplifier.

NOTE:- MAKE SURE THAT ANY CHASSIS SCREW WHICH IS USED IS NOT CAPTURED

ON THE INSIDE WITH A NUT, THE NUT COULD DROP INSIDE THE UNIT.

The output level is adjusted using the control marked HI LEVEL.